Henderson, TX
Anthony Bruce Henderson, Kingwood, TX US
Patent application number | Description | Published |
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20110139464 | Surface Gas Evaluation During Controlled Pressure Drilling - A system and method have a choke in fluid communication with a rotating control device. The choke controls flow of drilling mud from the rotating control device to a gas separator during a controlled pressure drilling operation, such as managed pressure drilling (MPD) or underbalanced drilling (UBD). A probe is in fluid communication with the drilling mud between the choke and the gas separator. During operations, the probe evaluates gas in the drilling mud from the well passing from the choke to the gas separator. | 06-16-2011 |
Cynthia K. Henderson, Parker, TX US
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20110041948 | QUICK-DRY TEXTURED TOWEL - A quick-dry textured towel is disclosed. The quick-dry textured towel comprises a lightweight fabric including a plurality of low-twist pile yarns forming a textured weave design. | 02-24-2011 |
Daniel A. Henderson, Fort Worth, TX US
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20090163191 | Method and apparatus for providing a wireless portable communcation device with the ability to selectively display picture and video images - Unwanted picture or video images are inhibited from being displayed by wireless communication devices based on the identity of the message originator, be that identity a phone number, an e-mail address, a website, a blocked message originator identification signal, the absence of a message originator identifier associated with the wireless picture message, or an electronic serial number of the message originator's device. | 06-25-2009 |
Daniel H. Henderson, Austin, TX US
Patent application number | Description | Published |
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20120328248 | FIELD TERMINABLE OPTICAL CONNECTOR WITH SPLICE ELEMENT FOR JACKETED CABLE - An LC format optical connector for terminating an optical fiber includes a housing configured to mate with an LC receptacle. A backbone is configured to engage an outer surface of the outer shell of the housing and includes a mounting structure that is configured to engage a boot. A collar body is retained between the outer shell and the backbone and includes a fiber stub disposed in a first portion of the collar body, the fiber stub being mounted in a ferrule. A mechanical splice is disposed in a second portion of the collar body, the mechanical splice configured to splice the fiber stub to the optical fiber. The backbone also includes a fiber jacket clamping portion to clamp a jacket portion that surrounds a portion of the optical fiber upon actuation. | 12-27-2012 |
20140299645 | LOW COST, DISPOSABLE OPTICAL FIBER CLEAVER - According to an exemplary embodiment of the present invention, a device to cleave an optical fiber is provided. The device includes a base and a cover that is rotatably connected to the base. The base has a work surface and a mandrel disposed in the base and extending above the work surface. An optical fiber can be bent over a radiused surface of the mandrel and tensioned prior to cleaving. A shuttle is disposed in the cover over the mandrel, wherein the shuttle includes a flexible abrasive material that is configured to contact the optical fiber and create a flaw on a top surface of the optical fiber to initiate a crack in the optical fiber. | 10-09-2014 |
Daniel J. Henderson, Georgetown, TX US
Patent application number | Description | Published |
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20090216985 | METHODS, SYSTEMS, AND COMPUTER PROGRAM PRODUCTS FOR DYNAMIC SELECTIVE MEMORY MIRRORING - Methods, systems, and computer program products are provided for dynamic selective memory mirroring in solid state devices. An amount of memory is reserved. Sections of the memory to select for mirroring in the reserved memory are dynamically determined. The selected sections of the memory contain critical areas. The selected sections of the memory are mirrored in the reserved memory. | 08-27-2009 |
20110154351 | Tunable Error Resilience Computing - An attribute of a descriptor associated with a task informs a runtime environment of which instructions a processor is to run to schedule a plurality of resources for completion of the task in accordance with a level of quality of service in a service level agreement. | 06-23-2011 |
Douglas P. Henderson, Odessa, TX US
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20140141469 | METHODS OF PRODUCING HUMAN HEMOGLOBIN IN A BIOREACTOR - Methods for producing hemoglobin in a bioreactor comprising providing a bioreactor containing a strain of | 05-22-2014 |
Ecaterina Henderson, Dallas, TX US
Patent application number | Description | Published |
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20110253930 | Absorbent Polymer Composition with Hazard Indicator - An granular composition for absorbing liquids, the composition comprising perlite, super-absorbent polymer, a pH-indicating dye, and a minor amount of water. According to one preferred embodiment of the invention, the subject composition comprises about 80 weight percent perlite, about 5 weight percent SAP, about 0.0125 weight percent pH indicating dye (most preferably phenolphthalein), and from about 7 to about 9 weight percent water in the final product. | 10-20-2011 |
20140005030 | Absorbent Polymer Composition with Hazard Indicator | 01-02-2014 |
20150125544 | Composition and Method for Treating Water Systems - A solid composition for treating cooling or heated water systems to remove scale, microorganisms and biofilm, and corrosion by-products. The composition for cooling towers and chilled water systems comprises chelating agents and an anionic surfactant. The composition for boilers and heated water systems comprises a sulfite, neutralizing amines, sodium phosphate, and, optionally, a polymethacrylate or polyacrylate polymer. A method for using such a treatment composition comprises contacting the treatment composition with substantially all parts of the water system. | 05-07-2015 |
20150126425 | Composition and Method for Treating Water Systems - A solid composition for treating cooling or heated water systems to remove scale, microorganisms and biofilm, and corrosion by-products. The composition for cooling towers and chilled water systems comprises chelating agents and an anionic surfactant. The composition for boilers and heated water systems comprises a sulfite, neutralizing amines, sodium phosphate, a polymethacrylate or polyacrylate polymer. A method for using such a treatment composition comprises contacting the treatment composition with substantially all parts of the water system. | 05-07-2015 |
Eric Henderson, Dallas, TX US
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20090161995 | FLEXIBLE FILM PLATE-MAT BAG - A method for forming a plate-mat bag using a form, fill, and seal machine and the resultant bag. The film used to form the bag is oriented so that the product side layer is not a critical barrier layer. The top most portion of the bag is unsealed forming a tab. Below the top most portion, a peelable upper seal is utilized so that a consumer can destroy the upper seal using the tab and tear open the bag along slits made in the product side layer. This results in an easy open package which when opened can serve as a plate. | 06-25-2009 |
Eric Thomas Henderson, Dallas, TX US
Patent application number | Description | Published |
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20090162496 | Bandolier Format Packaging - A product and method for producing a string of individual sealed, filled packages separated by perforations. A string of separate packages optionally may be enclosed in a cardboard or other container designed to sit in a pantry or other location for dispensing of individual units. Perforations in the packaging film between separate packages provide a tear point to aid in separating one package from the next. There are several advantages to this format including easy placement of the string of packages into a carton for shipping or dispensing, and the ability to hang a string of packages in locations without the need to attach the packages to a backing strip. The perforations between packages facilitate the packaging and transportation of the entire string or bandolier, and facilitate the removal and use of a separate package. | 06-25-2009 |
20110036834 | Method for Producing a Detachably Connected Container Having Barrier Properties - A method is provided of forming a multi-pack container assembly having at least two containers joined together by a channel. The method includes the steps of providing sheet having a barrier layer thermoforming the sheet into a multi-pack container assembly having a plurality of containers wherein each container comprises a flange and the flanges of adjacent containers are connected by an engineered area of weakness or channel. Resultant containers can be used for low-moisture, shelf-stable, ready-to-eat food products. | 02-17-2011 |
Gregory Henderson, Round Rock, TX US
Patent application number | Description | Published |
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20080230496 | Universal rack mount mechanism - A system and method are described for a variable mount arm assembly for installing support structures within different types of rack systems. Embodiments of the invention disclose a rack system support member comprising a rotatable bracket having first and second mounting interfaces on first and second mounting faces of the bracket. The rotatable bracket can be secured in a first position to mount the support member in a rack system that uses the first mounting interface. The bracket can be released from the first position and rotated to a second position to mount the support member in a rack system that employs the second mounting interface. | 09-25-2008 |
20100140195 | Rail Including a Shelf for Supporting an Information Handling System - A rack system for supporting one or more information handling systems includes a rack one or more rails coupled to the rack and configured to support one or more information handling systems. At least one of the rails includes an upper support structure, a lower support structure, a slot defined between the upper and lower support structures and configured to receive a guide structure of the information handling system, and a shelf. The slot has a front end opening proximate to a front end of the rail, and extends toward a back end of the rail. The shelf extends forward from the front end opening of the slot, and can support a portion of the information handling system when the guide structure is not received in the slot. | 06-10-2010 |
20100243586 | Rail Kit with Universal Mounting Connection Brackets - A rail system for supporting one or more information handling systems in both a four-post rack and a two-post rack includes a bracket support member, first and second toolless connection brackets coupled to the bracket support member, and first and second tooled connection brackets coupled to the bracket support member. The toolless connection brackets are configured to couple to first and second posts, respectively, of a four-post rack in a four-post toolless configuration. The tooled connection brackets are configured to couple to opposite sides of a post of a two-post rack in either a two-post flush-mounted or two-post center-mounted configuration. | 09-30-2010 |
20120120578 | Rail Including a Shelf for Supporting an Information Handling System - A rack system for supporting one or more information handling systems is provided. The rack system may include a rack and one or more rails coupled to the rack and configured to support one or more information handling systems. At least one of the rails may include an upper support structure, a lower support structure, a slot defined between the upper and lower support structures and configured to receive a guide structure of the information handling system, and a shelf. The slot may have a front end opening proximate to a front end of the rail, and extend toward a back end of the rail. The shelf may extend forward from the front end opening of the slot, and can support a portion of the information handling system when the guide structure is not received in the slot. The shelf may also not be coupled to any other rail. | 05-17-2012 |
Gregory Henderson, San Antonio, TX US
Patent application number | Description | Published |
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20100113157 | Multi-Player Game Data Via Multicast Transmission - A server to host a multi-player game is disclosed. The server includes a network interface coupled to an Internet Protocol (IP) network to send and receive data related to a multi-player game. The server includes a game play data module to receive multi-player game play data from a plurality of end user gaming devices via the network interface. The multi-player game play data is received via a plurality of unicast transmissions. The server includes an assembly module to assemble the multi-player game play data received from the plurality of end user gaming devices to generate aggregated game update data. The server also includes a transmission module to transmit the aggregated game update data as a single IP multicast transmission via the network interface. | 05-06-2010 |
20100162394 | METHOD AND APPARATUS FOR PROVIDING SECURITY FOR AN INTERNET PROTOCOL SERVICE - A method and apparatus for providing security to an endpoint device are disclosed. For example, the method receives a signaling message by the endpoint device. The method processes the signaling message, if the signaling message is received from a device associated with one of one or more Internet Protocol (IP) addresses in an Access Control List (ACL), and discards the signaling message, if the signaling message is received from a device not associated with one of the one or more IP addresses in the ACL. | 06-24-2010 |
20120233660 | METHOD AND APPARATUS FOR PROVIDING SECURITY FOR AN INTERNET PROTOCOL SERVICE - A method and apparatus for providing security to an endpoint device are disclosed. For example, the method receives a signaling message by the endpoint device. The method processes the signaling message, if the signaling message is received from a device associated with one of one or more Internet Protocol (IP) addresses in an Access Control List (ACL), and discards the signaling message, if the signaling message is received from a device not associated with one of the one or more IP addresses in the ACL. | 09-13-2012 |
Gregory L. Henderson, Round Rock, TX US
Patent application number | Description | Published |
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20140104777 | RAIL ADAPTER FOR TOOL-LESS COUPLING TO A RACK - An adapter couples to a rail for tool-less mounting of the rail to a rack, such as a rack for holding information handling systems. The adapter has a pin that fits though an opening at a front face of the rail and a support that couples to the pin from the rear face of the rail. The support has a shape for insertion into an unthreaded rack opening. If a rack has threaded openings, the adapter is removed to insert a threaded screw through the opening at the front face and into the threaded opening to secure the rail to the rack. | 04-17-2014 |
20140111930 | ADAPTIVE INFORMATION HANDLING SYSTEM RACK RAIL MOUNT - A rail adjustable mount adjusts a rail to support information handling system chassis with different depths in racks of different depths. The adjustable mount couples to a rack front with a sliding portion extending into the rack interior. The adjustable mount sliding portion slidingly engages a guide of the rail to allow adjustment of the rail relative to the rack so that a rail fits into a rack having a depth that is greater than the length of the rail's housing. A floating portion of the rail supports the rail at the rear of the rack and allows the rail position to float relative to the rear of the rack. A biasing device of the adjustable mount biases the rail towards the front of the rack to aid full extension and retraction of the rail at the rack. | 04-24-2014 |
Gregory Lane Henderson, Austin, TX US
Patent application number | Description | Published |
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20120212894 | INFORMATION HANDLING SYSTEM SLIDE RAIL ALIGNMENT SUPPORT - A rail assembly having a stab-in inner rail member that inserts into and withdraws from an intermediate rail member supports an information handling system chassis disposed in a rack. Insertion of the inner rail member into the intermediate rail member is aided by a resting surface extending from the insertion end of the intermediate rail member. The inner rail member rests on and is aligned with the resting surface so that opposing pairs of rail assemblies can have their inner rail members aligned with their intermediate rail members during a stab-in assembly of a chassis into the rack. | 08-23-2012 |
Gregory Lane Henderson, Round Rock, TX US
Patent application number | Description | Published |
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20100200523 | Tool-less Rack Mounting Apparatus and Systems - A bracket for mounting to a rack is disclosed wherein the bracket includes a first surface for coupling to a rail of the rack and a second surface forming a protrusion element adapted to engage with a mounting slot defined by the rack. The protrusion element has a first end and a second end with a cross section of the second end being greater than that of the first end. The bracket may further include a latching mechanism having an elastic member, the latching mechanism adapted to secure the protrusion element within the mounting slot and wherein the latching mechanism is disposed on an external side of a post of the rack. | 08-12-2010 |
Gregory Scott Henderson, Irving, TX US
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20110065417 | METHOD AND APPARATUS TO CONTROL THE USE OF APPLICATIONS ON HANDHELD DEVICES BASED ON NETWORK SERVICE - A method and apparatus to control the use of applications on handheld device is based on network service, the method comprising the steps of: receiving a network identifier; correlating the network identifier with application and/or feature limitations stored on the mobile device; and limiting application usage based on the results of such correlating step. | 03-17-2011 |
Gregory Scott Henderson, Plano, TX US
Patent application number | Description | Published |
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20130225164 | System and Method for Accelerating Network Selection by a Wireless User Equipment (UE) Device - A user equipment device, removable storage module and method for accelerating network selection by a wireless user equipment (UE) device without having to perform a full band scan (FBS). In one exemplary embodiment, the UE device sends location information of the wireless user equipment device to a home network node. receives appropriate network list information and associated frequency data from the home network node, the network list information comprising network identities comprising a combination of a core network with at least one of an access network and a service network, and locates a network using at least one of the appropriate network list information and associated frequency data without having to do a full band scan. | 08-29-2013 |
20150334646 | SYSTEM AND METHOD FOR ACCELERATING NETWORK SELECTION BY A WIRELESS USER EQUIPMENT (UE) DEVICE - A system and method for accelerating network selection by a wireless user equipment (UE) device without having to perform a full band scan (FBS). In one exemplary embodiment, the wireless UE device is operable to determine its location using a satellite-based positioning system such as GPS. Based on determining that the wireless UE device is in a particular area defined by a set of corners, a subset of appropriate frequency data is determined for selective scanning by the wireless UE device. Using the subset of appropriate frequency data, a selective scanning is performed for locating a network by the wireless UE device. | 11-19-2015 |
Henry Henderson, Jefferson, TX US
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20100320311 | Reel with Drum Center Support Ring - A wooden cable reel has a drum made of a plurality of staves and flanges secured at the ends of the drum. A steel support ring is rolled from a strip to have a diameter corresponding to the interior diameter of the drum and the ends of the strip are welded together. The support ring extends around the interior of the drum intermediate its ends and is secured to the drum from the inside by fasteners extending through the ring and into the interior surface of the drum. The support ring resists inwardly directed forces applied to the drum when cable is wound onto the reel and thus prevents the drum from deforming or collapsing. | 12-23-2010 |
Jacob D. Henderson, Austin, TX US
Patent application number | Description | Published |
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20100319010 | Systems and Methods for Operating System Identification and Web Application Execution - Systems and methods to execute operating system dependencies for web applications are provided. A particular method includes receiving an operating system independent function call at a web server. The operating system independent function call may be initiated at a web-based application. The method may determine a particular operating system used by the web server and select a command based on the particular operating system. The method may further include executing the selected command. | 12-16-2010 |
20120216218 | METHODS FOR OPERATING SYSTEM IDENTIFICATION AND WEB APPLICATION EXECUTION - Methods to execute operating system dependencies for web applications are provided. A particular method includes receiving an operating system independent function call at a web server. The operating system independent function call may be initiated at a web-based application. The method further includes determining a particular operating system used by the web server and selecting a command based on the particular operating system. The method further includes executing the selected command. | 08-23-2012 |
Jeffery Steven Henderson, Corinth, TX US
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20130043220 | AIR-CARBON ARC SYSTEM AND APPARATUS FOR DETECTING AND/OR REDUCING IRREGULARITIES IN A WORK PIECE SURFACE AND METHOD OF USING THE SAME - An air-carbon arc system for reducing irregularities in a work piece surface including a control box, a torch head operationally connected to the control box and configured to cooperate with the work piece to generate an arc, and a pendant operationally connected to the control box and having a means for reducing irregularities in the work piece surface. | 02-21-2013 |
Joab D. Henderson, Austin, TX US
Patent application number | Description | Published |
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20130138901 | IIMPLEMENTING MEMORY PERFORMANCE MANAGEMENT AND ENHANCED MEMORY RELIABILITY ACCOUNTING FOR THERMAL CONDITIONS - A method, system and computer program product implement memory performance management and enhanced memory reliability of a computer system accounting for system thermal conditions. When a primary memory temperature reaches an initial temperature threshold, reads are suspended to the primary memory and reads are provided to a mirrored memory in a mirrored memory pair, and writes are provided to both the primary memory and the mirrored memory. If the primary memory temperature reaches a second temperature threshold, write operations to the primary memory are also stopped and the primary memory is turned off with DRAM power saving modes such as self timed refresh (STR), and the reads and writes are limited to the mirrored memory in the mirrored memory pair. When the primary memory temperature decreases to below the initial temperature threshold, coherency is recovered by writing a coherent copy from the mirrored memory to the primary memory. | 05-30-2013 |
20130179724 | IIMPLEMENTING ENHANCED HARDWARE ASSISTED DRAM REPAIR - A method, system and computer program product are provided for implementing hardware assisted Dynamic Random Access Memory (DRAM) repair in a computer system that supports ECC. A data register providing DRAM repair is selectively provided in one of the Dynamic Random Access Memory (DRAM), a memory controller, or a memory buffer coupled between the DRAM and the memory controller. The data register is configured to map to any address. Responsive to the configured address being detected, the reads to or the writes from the configured address are routed to the data register. | 07-11-2013 |
Joab D. Henderson, Pfugerville, TX US
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20130313705 | IMPLEMENTING DECOUPLING DEVICES INSIDE A TSV DRAM STACK - A method and structures are provided for implementing decoupling capacitors within a DRAM TSV stack. A DRAM is formed with a plurality of TSVs extending completely through the substrate and filled with a conducting material. A layer of glass is grown on both the top and bottom of the DRAM providing an insulator. A layer of metal is grown on each glass layer providing a conductor. The metal and glass layers are etched through to TSVs with a gap provided around the perimeter of via pads. A respective solder ball is formed on the TSVs to connect to another DRAM chip in the DRAM TSV stack. The metal layers are connected to at least one TSV by one respective solder ball and are connected to a voltage source and a dielectric is inserted between the metal layers in the DRAM TSV stack to complete the decoupling capacitor. | 11-28-2013 |
20140117500 | IMPLEMENTING DECOUPLING DEVICES INSIDE A TSV DRAM STACK - A method and structures are provided for implementing decoupling capacitors within a DRAM TSV stack. A DRAM is formed with a plurality of TSVs extending completely through the substrate and filled with a conducting material. A layer of glass is grown on both the top and bottom of the DRAM providing an insulator. A layer of metal is grown on each glass layer providing a conductor. The metal and glass layers are etched through to TSVs with a gap provided around the perimeter of via pads. A respective solder ball is formed on the TSVs to connect to another DRAM chip in the DRAM TSV stack. The metal layers are connected to at least one TSV by one respective solder ball and are connected to a voltage source and a dielectric is inserted between the metal layers in the DRAM TSV stack to complete the decoupling capacitor. | 05-01-2014 |
Joab D. Henderson, Pflugerville, TX US
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20130128682 | MEMORY SYSTEM WITH DYNAMIC REFRESHING - An embodiment provided is a memory system with dynamic refreshing that includes a memory device with memory cells. The system also includes a refresh module in communication with the memory device and with a memory controller, the refresh module configured for receiving a refresh command from the memory controller and for refreshing a number of the memory cells in the memory device in response to receiving the refresh command. The number of memory cells refreshed in response to receiving the refresh command is responsive to at least one of a desired bandwidth characteristic and a desired latency characteristic. | 05-23-2013 |
20130262791 | HOST-SIDE SUPPORT OF DYNAMICALLY CHANGING FREQUENCY IN MEMORY SYSTEMS - An embodiment is a method for operating a memory system, the method including storing initial calibration values for each of a first frequency and second frequency for a memory device, performing a periodic calibration to determine a calibration update value for operation of the memory device at the first frequency, combining the calibration update value with the initial calibration value for the first frequency to provide an updated calibration for operation of the memory device at an operating frequency of the first frequency and receiving a frequency change request at a memory controller associated with the memory device. The method further includes blocking traffic to the memory device, adjusting operating frequency to the second frequency while the memory device remains powered, combining the calibration update value with the initial calibration value for the second frequency for operation at the second frequency and enabling traffic to the memory device. | 10-03-2013 |
20130262792 | MEMORY DEVICE SUPPORT OF DYNAMICALLY CHANGING FREQUENCY IN MEMORY SYSTEMS - An embodiment is a method includes writing a first set of memory device parameters to a first mode register in a memory device, wherein the first set of memory device parameters correspond to a first frequency, monitoring selected parameters for the memory system while the memory device operates at the first frequency and predicting a second frequency that the memory device will operate at subsequent to the first frequency, the predicting being based on the monitored selected parameters. The method further includes writing a second set of memory device parameters to second mode register in the memory device, receiving a frequency change request at a memory controller associated with the memory device, the frequency change request to operate at a new frequency and updating the first mode register with the second set of memory device parameters from the second mode register responsive to the new frequency being equal to the second frequency. | 10-03-2013 |
20140025223 | Performance Management of Subsystems in a Server by Effective Usage of Resources - An approach is provided in which a subsystem cooling manager detects an increased workload indicator corresponding to a computer subsystem's forthcoming workload requirement. The forthcoming workload requirement corresponds to future computing resources required by the subsystem to support one or more software programs executing on the computer system. The subsystem cooling manager determines that the forthcoming workload requirement exceeds a utilization threshold and in turn, directs one or more cooling systems towards the corresponding subsystem according. | 01-23-2014 |
20140068322 | IIMPLEMENTING DRAM COMMAND TIMING ADJUSTMENTS TO ALLEVIATE DRAM FAILURES - A method, system and computer program product are provided for implementing command timing adjustments to alleviate Dynamic Random Access Memory (DRAM) failures in a computer system. A predefined DRAM failure is detected. Responsive to the detected failure, a set of timers is adjusted for controlling predetermined timings used to access the DRAM. Responsive to the failure being resolved by the adjusted set of timers, checking for a predetermined level of performance is performed. | 03-06-2014 |
20140250340 | SELF MONITORING AND SELF REPAIRING ECC - Exemplary embodiments of the present invention disclose a method and system for monitoring a first Error Correcting Code (ECC) device for failure and replacing the first ECC device with a second ECC device if the first ECC device begins to fail or fails. In a step, an exemplary embodiment detects that a specified number of correctable errors is exceeded. In another step, an exemplary embodiment detects the occurrence of an uncorrectable error. In another step, an exemplary embodiment performs a loopback test on an ECC device if a specified number of correctable errors is exceeded or if an uncorrectable error occurs. In another step, an exemplary embodiment replaces an ECC device that fails the loopback test with an ECC device that passes a loopback test. | 09-04-2014 |
20140289488 | SYSTEM FOR SECURING CONTENTS OF REMOVABLE MEMORY - This disclosure includes a method for securing a memory of an electronic system that includes initializing the memory, creating a security key, transmitting the security key to memory, storing the security key in the memory, transmitting the current security key and a a new security key to the memory by the memory controller. If the current security key transmitted is the same as the security key stored in memory, then access to the memory is enabled and the current security key in the memory is replaced with the new security key. If the current security key transmitted is not the same as the security key stored in the memory, then access to the memory is disabled. | 09-25-2014 |
20140304537 | METHOD AND APPARATUS FOR MITIGATING EFFECTS OF MEMORY SCRUB OPERATIONS ON IDLE TIME POWER SAVINGS MODES - An approach for saving power in a memory subsystem that uses memory access idle timer to enable low power mode and memory scrub operation within computing system has been provided. The computing system determines that a memory subsystem is switched out of low power operation mode due to a memory scrub operation. In addition, the computing system bypasses the low power operation mode of an idle timer of the memory subsystem such that the memory subsystem is returned to the low power operation mode upon completion of the memory scrub operation. The computing system further sets a scrub flag of the memory subsystem to a high state, and clears the scrub flag to a low state to track if the idle timer should be bypassed. | 10-09-2014 |
20140304566 | METHOD AND APPARATUS FOR MITIGATING EFFECTS OF MEMORY SCRUB OPERATIONS ON IDLE TIME POWER SAVINGS MODE - An approach for saving power in a memory subsystem that uses memory access idle timer to enable low power mode and memory scrub operation within computing system has been provided. The computing system determines that a memory subsystem is switched out of low power operation mode due to a memory scrub operation. In addition, the computing system bypasses the low power operation mode of an idle timer of the memory subsystem such that the memory subsystem is returned to the low power operation mode upon completion of the memory scrub operation. The computing system further sets a scrub flag of the memory subsystem to a high state, and clears the scrub flag to a low state to track if the idle timer should be bypassed. | 10-09-2014 |
20140317473 | IMPLEMENTING ECC REDUNDANCY USING RECONFIGURABLE LOGIC BLOCKS - A method, system and computer program product are provided for implementing ECC (Error Correction Codes) redundancy using reconfigurable logic blocks in a computer system. When a fail is detected when reading from memory, it is determined if the incorrect data is in the data or the ECC component of the data. When incorrect data is found in the ECC component of the data, and an actionable threshold is not reached, a predetermined Reliability, Availability, and Serviceability (RAS) action is taken. When the actionable threshold is reached with incorrect data identified in the ECC component of the data, an analysis process is performed to determine if the ECC logic is faulty. When a fail in the ECC logic is detected, the identified ECC failed logic is replaced with a spare block of logic. | 10-23-2014 |
20140334224 | REFERENCE VOLTAGE MODIFICATION IN A MEMORY DEVICE - A method and apparatus for modifying a reference voltage between refreshes in a memory device are disclosed. The memory array may include a plurality of memory cells. The memory device may also include a sense amplifier. The sense amplifier may be configured to read data from the plurality of memory cells using a reference voltage. The memory device may also include a sense amplifier reference voltage modification circuit. The sense amplifier reference voltage modification circuit may be configured to detect a triggering event and modify the reference voltage in response to detecting a triggering event. | 11-13-2014 |
20140334225 | PRIORITIZING REFRESHES IN A MEMORY DEVICE - A method and apparatus for refreshing a row of a memory device prior to a scheduled refresh. A memory array may include a plurality of memory cells. The memory array may be configured to be refreshed at a first refresh time interval. The memory device may also include an intermediate refresh circuit. The intermediate refresh circuit may be configured to detect a triggering event and request a refresh for a row of the memory array in response to detecting a triggering event. | 11-13-2014 |
20150127898 | SYSTEM AND MEMORY CONTROLLER FOR INTERRUPTIBLE MEMORY REFRESH - A refresh command is communicated to a memory device to initiate an interruptible refresh which contains multiple segment refreshes separated by interrupt boundaries. A command is communicated to the memory device before execution of a segment refresh and the segment refresh is delayed at an interrupt boundary. Alternatively, a first number of commands in a queue is determined. A first number of segment refreshes to execute is determined based on the first number of commands. The first number of segment refreshes to execute is communicated to the memory device to cause execution of the first number of segment refreshes. A second number of commands in the queue is determined. A second number of segment refreshes to execute is determined based on the second number of commands. The second number of segment refreshes to execute is communicated to the memory device to cause execution of the second number of segment refreshes. | 05-07-2015 |
20150127899 | MEMORY DEVICE FOR INTERRUPTIBLE MEMORY REFRESH - A refresh command is received from a memory controller. An interruptible refresh containing multiple segment refreshes is initiated. The segment refreshes are separated by interrupt boundaries. A command is received before execution of a segment refresh. The first command is executed and execution of the first segment refresh is delayed at a first interrupt boundary. Alternatively, a first number of segment refreshes to execute is received from a memory controller. The received first number of segment refreshes is executed. A second number of segment refreshes to execute is received from a memory controller. The received second number of segment refreshes is executed. No segment refreshes are executed between the execution of the first number of segment refreshes and the execution of the second number of segment refreshes. | 05-07-2015 |
20150143199 | COMPUTER MEMORY POWER MANAGEMENT - A method of operating a computer memory system with ECC features that will enable operational modes with less electrical power consumption. A chip mark normally used to mark a failing DRAM device may instead be used to mark a non-failing DRAM device before a computer memory system shuts off electrical power to the marked non-failing DRAM device to reduce power consumption, putting the rank of memory that contains the DRAM device in a low power consumption mode. Upon a request from the computer memory system, the chip mark may be removed from the marked non-failing DRAM device in order to return the non-failing DRAM device to normal operation. | 05-21-2015 |
20150143200 | COMPUTER MEMORY POWER MANAGEMENT - A method of operating a computer memory system with ECC features that will enable operational modes with less electrical power consumption. A chip mark normally used to mark a failing DRAM device may instead be used to mark a non-failing DRAM device before a computer memory system shuts off electrical power to the marked non-failing DRAM device to reduce power consumption, putting the rank of memory that contains the DRAM device in a low power consumption mode. Upon a request from the computer memory system, the chip mark may be removed from the marked non-failing DRAM device in order to return the non-failing DRAM device to normal operation. | 05-21-2015 |
20150178147 | SELF MONITORING AND SELF REPAIRING ECC - Exemplary embodiments of the present invention disclose a method and system for monitoring a first Error Correcting Code (ECC) device for failure and replacing the first ECC device with a second ECC device if the first ECC device begins to fail or fails. In a step, an exemplary embodiment performs a loopback test on an ECC device if a specified number of correctable errors is exceeded or if an uncorrectable error occurs. In another step, an exemplary embodiment replaces an ECC device that fails the loopback test with an ECC device that passes a loopback test. | 06-25-2015 |
20150213853 | IMPLEMENTING SIMULTANEOUS READ AND WRITE OPERATIONS UTILIZING DUAL PORT DRAM - A method, system and memory controller are provided for implementing simultaneous read and write operations in a memory subsystem utilizing a dual port Dynamic Random Access Memory (DRAM) configuration. A DRAM includes a first partition and a second partition. A memory controller determines if memory requirements are above or below a usage threshold. If the memory requirements are below the usage threshold, the memory is partitioned into a read buffer and a write buffer, with writes going to the write buffer and reads coming from the read buffer, data being transferred from the write buffer to the read buffer through an Error Correction Code (ECC) engine. If the memory requirements are above the usage threshold, the entire memory is used for reads and writes. | 07-30-2015 |
20150213854 | IMPLEMENTING SIMULTANEOUS READ AND WRITE OPERATIONS UTILIZING DUAL PORT DRAM - A method, system and memory controller are provided for implementing simultaneous read and write operations in a memory subsystem utilizing a dual port Dynamic Random Access Memory (DRAM) configuration. A DRAM includes a first partition and a second partition. A memory controller determines if memory requirements are above or below a usage threshold. If the memory requirements are below the usage threshold, the memory is partitioned into a read buffer and a write buffer, with writes going to the write buffer and reads coming from the read buffer, data being transferred from the write buffer to the read buffer through an Error Correction Code (ECC) engine. If the memory requirements are above the usage threshold, the entire memory is used for reads and writes. | 07-30-2015 |
20150228328 | REFERENCE VOLTAGE MODIFICATION IN A MEMORY DEVICE - A method and apparatus for modifying a reference voltage between refreshes in a memory device are disclosed. The memory array may include a plurality of memory cells. The memory device may also include a sense amplifier. The sense amplifier may be configured to read data from the plurality of memory cells using a reference voltage. The memory device may also include a sense amplifier reference voltage modification circuit. The sense amplifier reference voltage modification circuit may be configured to detect a triggering event and modify the reference voltage in response to detecting a triggering event. | 08-13-2015 |
20150270017 | TRAFFIC AND TEMPERATURE BASED MEMORY TESTING - According to embodiments of the disclosure, methods, systems, and computer program products for memory module testing are disclosed. The method may include accessing, with a first stress test, a plurality of memory modules, the plurality of memory modules coupled in a computer system, the plurality of memory modules including a first module having a first memory characteristic and a second module having a second memory characteristic. The method may include determining for the first module, a first traffic-to-temperature parameter, and determining that the first module was sufficiently stressed in response to determining that the first traffic-to-temperature parameter is within a first traffic-to-temperature range. The method may also include determining, for the second module, a second traffic-to-temperature parameter, and determining that the second module was sufficiently stressed in response to determining that the second traffic-to-temperature parameter is within a second traffic-to-temperature range. | 09-24-2015 |
20150270018 | TRAFFIC AND TEMPERATURE BASED MEMORY TESTING - According to embodiments of the disclosure, methods, systems, and computer program products for memory module testing are disclosed. The method may include accessing, with a first stress test, a plurality of memory modules, the plurality of memory modules coupled in a computer system, the plurality of memory modules including a first module having a first memory characteristic and a second module having a second memory characteristic. The method may include determining for the first module, a first traffic-to-temperature parameter, and determining that the first module was sufficiently stressed in response to determining that the first traffic-to-temperature parameter is within a first traffic-to-temperature range. The method may also include determining, for the second module, a second traffic-to-temperature parameter, and determining that the second module was sufficiently stressed in response to determining that the second traffic-to-temperature parameter is within a second traffic-to-temperature range. | 09-24-2015 |
20150278005 | IMPLEMENTING ENHANCED RELIABILITY OF SYSTEMS UTILIZING DUAL PORT DRAM - A method, system and computer program product are provided for implementing enhanced reliability of memory subsystems utilizing a dual port Dynamic Random Access Memory (DRAM) configuration. The DRAM configuration includes a first buffer and a second buffer, each buffer including a validity counter. The validity counter for a receiving buffer is incremented as each respective data row from a transferring buffer is validated through Error Correction Code (ECC), Reliability, Availability, and Serviceability (RAS) logic and transferred to the receiving buffer, while the validity counter for the transferring buffer is decremented. Data are read from or written to either the first buffer or the second buffer based upon a respective count value of the validity counters. | 10-01-2015 |
20150278086 | IMPLEMENTING ENHANCED RELIABILITY OF SYSTEMS UTILIZING DUAL PORT DRAM - A method, system and computer program product are provided for implementing enhanced reliability of memory subsystems utilizing a dual port Dynamic Random Access Memory (DRAM) configuration. The DRAM configuration includes a first buffer and a second buffer, each buffer including a validity counter. The validity counter for a receiving buffer is incremented as each respective data row from a transferring buffer is validated through Error Correction Code (ECC), Reliability, Availability, and Serviceability (RAS) logic and transferred to the receiving buffer, while the validity counter for the transferring buffer is decremented. Data are read from or written to either the first buffer or the second buffer based upon a respective count value of the validity counters. | 10-01-2015 |
Joab Daniel Henderson, Pflugerville, TX US
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20150318627 | DUAL IN LINE MEMORY MODULE (DIMM) CONNECTOR - An enhanced dual in line memory module (DIMM) connector includes internal conductive paths that provide access to signaling on standard conductive paths to an industry standard DIMM. The internal conductive paths are coupled in series or in parallel with the standard conductive paths through the connector. Interposer circuitry, such as control circuitry and or supplemental memory circuitry, may be incorporated on or within the connector. The interposer circuitry may include field effect transistor (FET) switching circuitry configured to selectively decouple a defective dynamic random memory (DRAM) on a DIMM from a conductive path to a memory controller and couple a substitute DRAM to the conductive paths in its place. | 11-05-2015 |
John K. Henderson, Little Elm, TX US
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20120035692 | IMPLANTABLE MEDICAL ANCHOR - There is disclosed various embodiments of an implantable anchor for permanently anchoring a medical lead or catheter. For instance, there is disclosed an implantable anchor including a body having a longitudinal lumen defined therein, wherein the longitudinal lumen is sized to accept a portion of the medical lead or catheter, a bending mechanism coupled to the body for bending the lead to a predetermined angle within the body, and a retaining mechanism for maintaining the predetermined angle of the bent lead within the body. | 02-09-2012 |
Karl Henderson, Dallas, TX US
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20130275613 | EFFICIENT MULTIPLE FILTER PACKET STATISTICS GENERATION - Incoming data streams are managed by receiving a data stream on at least one network interface card (NIC) and performing operations on the data stream using a first process running several first threads for each network interface card and at least one group of second multiple processes each with an optional group o second threads. The first process and the one or more groups of second multiple processes are independent and communicate via the shared memory. The first threads for each network interface card are different than the group of second threads. The system includes at least one network interface card that receives a data stream, a first processor that runs a first process that uses a plurality of first threads for each network interface card and a second processor that runs at least one group of second multiple processes each with art optional group of second threads. | 10-17-2013 |
Karl M. Henderson, Dallas, TX US
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20110099284 | Efficient Multiple Filter Packet Statistics Generation - Incoming data streams are managed by receiving a data stream on at least one network interface card (NIC) and performing operations on the data stream using a first process running several first threads for each network interface card and at least one group of second multiple processes each with an optional group of second threads. The first process and the one or more groups of second multiple processes are independent and communicate via the shared memory. The first threads for each network interface card are different than the group of second threads. The system includes at least one network interface card that receives a data stream, a first processor that runs a first process that uses a plurality of first threads for each network interface card and a second processor that runs at least one group of second multiple processes each with an optional group of second threads. The first process and the one or more groups of second multiple processes are independent and communicate via the shared memory. | 04-28-2011 |
20110106891 | HIERARCHICAL PUBLISH AND SUBSCRIBE SYSTEM - A method of publishing a publication message includes receiving, at one of a plurality of first relays, a subscription request from a first client and transmitting the subscription request from the one of the plurality of first relays to only one of a plurality of central relays. The method also includes receiving, at another of the plurality of first relays, a publication request from a second client. The publication request includes the publication message. The method further includes transmitting the publication message from the another of the plurality of first relays to all of the plurality of central relays, transmitting the publication message from at least one of the plurality of central relays to the one of the plurality of first relays, and transmitting the publication message from the one of the plurality of first relays to the first client. | 05-05-2011 |
Kris Henderson, Houston, TX US
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20150075811 | MODULAR APPARATUS FOR ASSEMBLING TUBULAR GOODS - A modular pipe gripping assembly has a universal actuator assembly having a control fluid swivel. An external pipe gripping assembly can be attached to the actuator assembly for gripping the external surface of a section of pipe. Alternatively, the external pipe gripping assembly can be quickly and easily removed and replaced with an internal pipe gripping assembly for gripping the internal surface of a section of pipe. Control fluid pressure is trapped within the actuator assembly, but relieved from a fluid swivel, permitting high speed rotation of the modular pipe gripping assembly and preserving swivel seal life. | 03-19-2015 |
Marc Henderson, The Woodlands, TX US
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20100006290 | METHODS OF MAKING MULTIPLE CASING CUTS - Methods of removing casing from a wellbore, the method including disposing a drilling tool assembly in a wellbore, the drilling tool assembly including a cutting device, a spearing device, and a jarring device. The methods further including activating the cutting device, cutting a first casing segment, deactivating the cutting device and activating a spearing device. The method further including engaging the spearing device with the first casing segment, activating the jarring device to free the first casing segment, and removing the first casing segment from the wellbore. | 01-14-2010 |
Mark E. Henderson, Kingwood, TX US
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20090216602 | Schedule Analyzer - A project schedule is managed by developing a float profile area chart having a float profile with a float gradient for at least one non-completed activity within the project schedule to pictorially assess schedule viability. A schedule risk index (SRI) score is calculated to qualitatively assess a risk level associated with the project schedule. Schedule quality metrics are measured and the values for the metrics aggregated to provide an indication of the project schedule being manipulated by a scheduler. Historical trends for the schedule quality metrics are trended across at least two update intervals, and schedule performance is also measured, e.g., by trending early starts and early finishes for the project and a relative slippage occurring from the across schedule updates. | 08-27-2009 |
Nancy Henderson, Austin, TX US
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20150182473 | TRANSDERMAL PATCHES WITH DISCRETE CARBON NANOTUBES - A transdermal patch comprising discrete open-ended carbon nanotubes is disclosed. | 07-02-2015 |
20150238476 | PAYLOAD MOLECULE DELIVERY USING MOLECULAR REBAR - In various embodiments a payload molecule or drug molecule delivery system is disclosed. The system comprises a plurality of functionalized discrete carbon nanotubes having specific properties. The composition can comprise a plurality of discrete carbon nanotubes that have at least a portion of the carbon nanotubes with a number average (ratio of number average contour length to end to end length) of greater than 1.1 and up to about 3. These discrete carbon nanotubes having the specified ratio of number average (tube contour length (T | 08-27-2015 |
Shane Henderson, Allen, TX US
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20130090130 | System And Method For Matching Using Location Information - In one embodiment, a method executed by at least one processor includes receiving first historical location information identifying a first location area at which a first user was present at a first time and receiving second location information identifying a second location area at which a second user was present at a second time. The method includes determining that the first historical location information and the second location information each correspond to a particular location area and determining that a characteristic related to the first user corresponds to a preference related to the second user. In response to these determinations, the method includes causing information related to the first user to be presented to the second user. The information related to the first user includes the first location area of the first user relative to the second location area of the second user. | 04-11-2013 |
Shane A. Henderson, Mckinney, TX US
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20090089124 | JOB PLACEMENT SYSTEM WITH PROFILE MATCHING - Potential employees are matched with employers by storing data in a computer database regarding information on job openings from multiple employers, information on employee candidates, and information about the employers. Candidates are scored relative to a specific job posting and an anonymous list of the highest scoring candidates with a graduated fee rate based on one or more factors relating to the specific job posting and the scores associated with the highest scoring candidates. A selected candidate is rewarded when the selected candidate's information is revealed to the employer. | 04-02-2009 |
Steven Henderson, Katy, TX US
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20100147587 | WELL COMPLETION APPARATUS AND METHODS - A wellbore tool includes a perforating charge adapted to create a tunnel in a subterranean formation upon activation; a propellant that provides a pressure cycle when activated; and a delay device operationally connected to the perforating charge and the propellant to activate the perforating charge and the propellant in a manner to influence a selected wellbore condition. | 06-17-2010 |
20110073325 | TORQUE RESISTANT COUPLING FOR OILWELL TOOLSTRING - A downhole oilwell toolstring having an adapter having a male threaded portion, a longitudinally extending tubular female housing having a female threaded portion on an inner surface of the housing, a first end located proximate to the female threaded portion, a second end located distal to the female threaded portion, and a recessed groove extending around the circumference of the interior surface of the female housing at a location between the first end the female threaded portion. The adapter has a first end that is distal from the threaded portion and a second end that is proximate to the threaded portion, and a recessed groove extending around the outer circumference of the adapter at a location between the threaded portion and the first end of the adapter. The female housing is connected with the male adapter by way of the female threaded portion and the male threaded portion engaging one another. A ring is located in the recessed groove in the adapter and the recessed groove in the female housing. | 03-31-2011 |
Steven W. Henderson, Katy, TX US
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20090151949 | DEBRIS-FREE PERFORATING APPARATUS AND TECHNIQUE - An apparatus that is usable with a well includes a perforating system that is adapted to be fired downhole in the well. The perforating system includes a component, which includes an alloy that has a negative corrosion potential and is unable to passivate, or self-protect, while deployed in the well. The component is adapted to disintegrate to form substantially no debris in response to the firing of the perforating system. | 06-18-2009 |
20100012321 | COMMUNICATING THROUGH A BARRIER IN A WELL - A technique that is usable with a well includes communicating a ballistic wave from a first point in a well to a second point in the well without propagating the ballistic wave along a detonating cord. The first and second points are separated by at least one foot. The technique includes responding to the ballistic wave near the second point to activate a downhole tool. | 01-21-2010 |
20110094406 | Dissolvable Material Application in Perforating - A shaped charge includes a charge case; a liner; an explosive retained between the charge case and the liner; and a primer core disposed in a hole in the charge case and in contact with the explosive, wherein at least one of the case, the liner, the primer core, and the explosive comprising a material soluble in a selected fluid. A perforation system includes a perforation gun, comprising a gun housing that includes a safety valve or a firing valve, wherein the safety valve or the firing valve comprises a material soluble in a selected fluid. | 04-28-2011 |
20110239889 | DETONATION TO IGNITER BOOSTER DEVICE - A detonating device includes a high explosive portion comprising high explosive; a low explosive portion comprising low explosive; and a transition portion between the high explosive portion and the low explosive portion, wherein the transition portion comprises a mixture of high explosive and low explosive. | 10-06-2011 |
20120018157 | BALLISTIC TRANSFER DELAY DEVICE - A ballistic transfer delay device and method of use. The ballistic transfer delay device does not include a firing pin and it is not pressure initiated. The device comprises a time delay fuse, a through-bulkhead initiator to initiate the time delay fuse, and an output booster to ballistically transfer the energy from the initiated time delay fuse. | 01-26-2012 |
20120160491 | METHOD AND DESIGN FOR HIGH SHOT DENSITY PERFORATING GUN - A perforating gun includes a plurality of shaped charges located at a first distance from a detonator along a plurality of detonating cords and forming a first group, wherein the first group of shaped charges is configured to be detonated simultaneously. The plurality of detonating cords are of the same length. | 06-28-2012 |
20130087061 | DISSOLVABLE MATERIAL APPLICATION IN PERFORATING - A shaped charge includes a charge case; a liner; an explosive retained between the charge case and the liner; and a primer core disposed in a hole in the charge case and in contact with the explosive, wherein at least one of the case, the liner, the primer core, and the explosive comprising a material soluble in a selected fluid. A perforation system includes a perforation gun, comprising a gun housing that includes a safety valve or a firing valve, wherein the safety valve or the firing valve comprises a material soluble in a selected fluid. | 04-11-2013 |
20140151046 | DISSOLVABLE MATERIAL APPLICATION IN PERFORATING - A shaped charge includes a charge case; a liner; an explosive retained between the charge case and the liner; and a primer core disposed in a hole in the charge case and in contact with the explosive, wherein at least one of the case, the liner, the primer core, and the explosive comprising a material soluble in a selected fluid. A perforation system includes a perforation gun, comprising a gun housing that includes a safety valve or a firing valve, wherein the safety valve or the firing valve comprises a material soluble in a selected fluid. | 06-05-2014 |
William Henderson, Tioga, TX US
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20150368983 | RECIPROCATING DEBRIS EXCLUSION DEVICE FOR DOWNHOLE CONNECTORS - The invention addresses ways to protect the free ends of communication lines from debris during downhole connection. A lower assembly, positioned downhole, has a lower connector with a free end of a communication line. An upper assembly is moved downhole and has an upper connector. A reciprocating member with attached protective cover is mounted for movement on the lower assembly. A second reciprocating member with attached protective cover is mounted for reciprocating movement on the upper assembly. The free ends are connected as the upper and lower assemblies are moved toward one another. Upon disconnection, the upper and lower connectors are moved apart and the reciprocating members return to their initial positions, again protecting the free ends of the communication lines. The covers are preferably biased towards a closed position and return to a closed state upon disconnection. | 12-24-2015 |
William D. Henderson, Tioga, TX US
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20080251250 | Annular Isolators for Expandable Tubulars in Wellbores - The present disclosure addressed apparatus and methods for forming an annular isolator in a borehole after installation of production tubing. Annular seal means are carried in or on production tubing as it is run into a borehole. In conjunction with expansion of the tubing, the seal is deployed to form an annular isolator. An inflatable element carried on the tubing may be inflated with a fluid carried in the tubing and forced into the inflatable element during expansion of the tubing. Reactive chemicals may be carried in the tubing and injected into the annulus to react with each other and ambient fluids to increase in volume and harden into an annular seal. An elastomeric sleeve, ring or band carried on the tubing may be expanded into contact with a borehole wall and may have its radial dimension increased in conjunction with tubing expansion to form an annular isolator. | 10-16-2008 |
20100084130 | VALVE DEVICE AND ASSOCIATED METHODS OF SELECTIVELY COMMUNICATING BETWEEN AN INTERIOR AND AN EXTERIOR OF A TUBULAR STRING - A valve device and associated methods of selectively communicating between an interior and an exterior of a tubular string. A valve device includes an openable and closable flowpath for selectively permitting and preventing flow between an interior and exterior of the valve device, and a lock assembly which prevents the flowpath from being opened greater than a predetermined number of times. A method of testing at least one annular seal in an annulus formed between a tubular string and a wellbore wall includes the steps of: sealingly engaging the annular seal to thereby prevent flow through the annulus across the annular seal; and applying a pressure differential across the annular seal to thereby test the annular seal, the pressure differential being applied via a valve device interconnected in the tubular string | 04-08-2010 |
20100096134 | Well Systems and Associated Methods Incorporating Fluid Loss Control - A method of controlling fluid loss from a wellbore comprises the steps of: installing a completion string including a well screen and a fluid loss control device in the wellbore; then installing a production string in the wellbore; then engaging the production string with the completion string; and then operating the fluid loss control device by varying pressure in a fluid passage. A well system comprises a completion string including a fluid loss control device, a packer and a well screen, the packer being positioned between the fluid loss control device and the screen; and a production string including another packer and engaged with the completion string, the fluid loss control device being positioned longitudinally between the packers, and the fluid loss control device being operable in response to variation of pressure in a fluid passage. | 04-22-2010 |
William David Henderson, Tioga, TX US
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20140020903 | Reclosable Multi Zone Isolation Tool and Method for Use Thereof - An apparatus for isolating a first zone from a second zone in a subterranean wellbore. The apparatus includes an outer tubular and an inner tubular disposed within the outer tubular forming an annular flow path therebetween that is in fluid communication with the first zone. The inner tubular defines a central flow path that is in fluid communication with the second zone. A sleeve having at least one seal is positioned in the annular flow path and is axially movable relative to the inner and outer tubulars between a closed position wherein the seal engages the inner tubular and an open position wherein the seal engages the outer tubular. A mandrel is slidably disposed within the inner tubular and is coupled to the sleeve. The mandrel is operable to shift the sleeve between the open position and the closed position responsive to changes in pressure within the central flow path. | 01-23-2014 |
20140020912 | Reclosable Multi Zone Isolation Tool and Method for Use Thereof - An apparatus for isolating a first zone from a second zone in a subterranean wellbore. The apparatus includes an outer tubular and an inner tubular disposed within the outer tubular forming an annular flow path therebetween that is in fluid communication with the first zone. The inner tubular defines a central flow path that is in fluid communication with the second zone. A sleeve having at least one seal is positioned in the annular flow path and is axially movable relative to the inner and outer tubulars between a closed position wherein the seal engages the inner tubular and an open position wherein the seal engages the outer tubular. A mandrel is slidably disposed within the inner tubular and is coupled to the sleeve. The mandrel is operable to shift the sleeve between the open position and the closed position responsive to changes in pressure within the central flow path. | 01-23-2014 |
20150198005 | Assisting Retrieval of a Downhole Tool - A well packer includes an expandable member carried on a mandrel, the mandrel including a groove formed on at least a portion of an outer radial surface of the mandrel; a back-up assembly carried on the mandrel adjacent the expandable member; and a fold back assembly carried on the mandrel adjacent the back-up assembly, the fold back assembly including a snap ring carried on the mandrel and adapted to move into the groove and adjust the expandable member into an expanded position in substantially sealing contact with a tubular. | 07-16-2015 |