41st week of 2012 patent applcation highlights part 7 |
Patent application number | Title | Published |
20120255695 | Addition of Endothermic Fire Retardants to Provide Near Neutral pH Pulp Fiber webs - A process in which an at least partially delignified pulp fiber web having a Kappa number of less than about 130 is treated with an aqueous endothermic fire retardant solution having a pH of about 10 or less. The treated pulp fiber web has a near neutral pH of from about 5 to about 9, and is treated with at least about 20 lbs of endothermic fire retardants per ton of the pulp fiber web, with at least about 5% of the total amount of endothermic fire retardants being added at a point prior to when the pulp fiber web is formed. Also a fire resistant pulp fiber web having a near neutral pH. | 2012-10-11 |
20120255696 | PROCESS FOR MAKING A STIFFENED PAPER - A process for making a stiffened and rigid paper includes preparing a pulp slurry consisting essentially of water, a cellulosic pulp, a crosslinker, and a starch, and optionally a binder; draining the liquid from the pulp slurry to form a web; and drying the web. Alternatively, a process for making a stiffened and rigid paper includes the step of adding at least one crosslinker at one or more locations, such as at the wet-end, dry-end, or at both ends of the papermaking process. Suitable crosslinkers include a glyoxal-containing crosslinker, a gluteraldehyde, a polyfunctional aziridine, a zirconium-containing crosslinker, a titanium-containing crosslinker, and an epichlorohydrin, and mixtures thereof. When a binder is employed, it can be added either in the dry or wet form. Provided is a neutral or alkaline process to produce a paper product having the improved mechanical properties of a laminated product in the Z-direction, without a lamination step. | 2012-10-11 |
20120255697 | Inorganic fiber paper, method of producing the same and equipment using the same - Inorganic fiber paper including bio-soluble inorganic fibers which have been subjected to a heat treatment and a binder. A method for producing inorganic fiber paper including: the first step of subjecting amorphous bio-soluble inorganic fibers to a heat treatment; and the second step of making paper comprising the heat-treated bio-soluble inorganic fibers and a binder. Equipment for heating and/or thermal insulation which includes the inorganic fiber paper. | 2012-10-11 |
20120255698 | Method and Composition for Improved Temporary Wet Strength - A new process to make high solids polymer backbone with low molecular weight and narrow molecular weight distribution has been developed by a continuous polymerization processes under refluxing conditions. In this process, a mixture of acrylamide monomer, chain transfer agent and initiator is simultaneously and continuously added to the heel of aqueous solution under refluxing conditions. | 2012-10-11 |
20120255699 | EXOTHERMIC WELDING MOLD WITH FILTER - An exothermal weld mold includes a mold section with an integral cover portion, made as part of a single piece of material with the rest of the mold section. The mold section may be a mold half of a vertically split mold, or may constitute most of a half of the mold. The cover portion may be part of an integral cover that covers substantially all of a reaction chamber or crucible of the mold. The cover may have one or more vent holes, in the top and/or side of the mold. The cover may have a baffled passage for expansion of gases produced by reaction of the weld material, before the gases are expelled from the mold at an opening in the top or side of the mold. The passage may be a serpentine passage. A filter may be placed in the passage. | 2012-10-11 |
20120255700 | CONTINUOUS CASTING MOLD AND CONTINUOUS CASTING METHOD OF ROUD BILLET - In a mold for casting a billet with a curved type continuous casting apparatus, D | 2012-10-11 |
20120255701 | SYSTEMS AND METHODS FOR CASTING METALLIC MATERIALS - Certain embodiments of a melting and casting apparatus comprising includes a melting hearth; a refining hearth fluidly communicating with the melting hearth; a receiving receptacle fluidly communicating with the refining hearth, the receiving receptacle including a first outflow region defining a first molten material pathway, and a second outflow region defining a second molten material pathway; and at least one melting power source oriented to direct energy toward the receiving receptacle and regulate a direction of flow of molten material along the first molten material pathway and the second molten material pathway. Methods for casting a metallic material also are disclosed. | 2012-10-11 |
20120255702 | SENSIBLE HEAT EXCHANGING ROTOR - A sensible heat exchanging rotor includes a rotor body rotatably mounted between a first channel and a second channel, and a heat storage medium disposed in the rotor body and configured to suck thermal energy from a fluid passing through the first channel, and configured to transfer the sucked thermal energy to a fluid passing through the second channel, wherein the heat storage medium is formed of a polymer material. | 2012-10-11 |
20120255703 | HEAT EXCHANGER AND AIR CONDITIONER INCORPORATING SAME - A heat exchanger ( | 2012-10-11 |
20120255704 | IMAGE DISPLAY APPARATUS - An image display apparatus according to the present invention includes an image display panel and a casing housing the image display panel therein. The casing has an image display window, through which a screen of the image display panel can he visually recognized from the outside. Here, the casing has a pair of ventilating ports passing from the outside thereof to the inside, and a channel passing between the screen of the image display panel and the image display window of the casing so as to allow the pair of ventilating ports to communicate with each other. Moreover, the casing has a fan for generating an air flow inside of the channel. | 2012-10-11 |
20120255705 | METHOD AND AN APPARATUS IN A VENTILATION SYSTEM - A method for recovering heat and humidity in a ventilation system includes cooling warm and humid exhaust air at a condensation surface in a heat exchanger and collecting the condensate as formed, heating dry and cold supply air at the opposite side of the condensation surface and atomizing the condensate and supplying the atomized condensate to the supply air at the supply air inlet of the heat exchanger. The atomizing is generated b a piezoelectric atomizer. A device for recovering heat and humidity in a heat exchanger in a ventilation system includes a condensation surface at the exhaust air side of the heat exchanger and a collection device for condensate. At the inlet of the supply air side of the heat exchanger there is provided a piezoelectric atomizer that is fed with the condensate for supplying atomized condensate to the inlet. | 2012-10-11 |
20120255706 | Heat Exchange Using Underground Water System - In this disclosure, we have the following examples and teachings: A geothermal heating and or cooling system is introduced here which is deriving cooled or heated liquid via existing infrastructure of water pipe system in use for the houses and buildings, e.g. from the city water system or pipe network, or from the well water (or lake or river or sea or ocean or the like), piped or channeled to the buildings, through pipes or conduits or channels or closed enclosures. The system derives cooled liquid from existing underground infrastructure, including or for example, below-ground water pipes. The system gains a temperature advantage from the geothermal ground temperature, which remains roughly constant throughout the year in most regions. The system uses (e.g.) a storage tank to contain a working fluid and store thermal energy. In one example, multiple chambers and/or tanks are used for water heaters or coolers, with different connection and flow mechanisms. Other examples and designs are also discussed and shown here. | 2012-10-11 |
20120255707 | INFLATABLE WALL MATERIAL, COLD STORAGE HOUSE USING THE SAME, AND AIR-CONDITIONED STOREHOUSE USING THE SAME - An inflatable wall material, including: a thermal insulation layer, a first metal layer, a barrier layer, a buffer layer, a protective layer, and a second metal layer. The first metal layer, the barrier layer, the buffer layer, the protective layer, and the second metal layer are arranged on two sides of the thermal insulation layer in sequence from the inside to the outside. The two barrier layers on the two sides of the thermal insulation layer employ air-tight materials. The two barrier layers and the first metal layers on the two sides of the thermal insulation layer constitute an inflatable air-tight space. The thermal insulation layer is positioned in the air-tight space. | 2012-10-11 |
20120255708 | HEAT EXCHANGE APPARATUS - A heat exchange apparatus includes an enclosure and a heat exchanger. The enclosure internally defines a first space and a second space isolated from each other, and is provided with a first and a second air inlet communicating with the first and the second space, respectively. The heat exchanger is arranged inside the enclosure and located between the first and the second space. By providing the heat exchanger between the first and the second space inside the enclosure, heat can be exchanged between the first and the second space to enable effectively upgraded heat exchange efficiency, and a device using the heat exchange apparatus is protected against invasion by foreign matters via the heat exchange apparatus. | 2012-10-11 |
20120255709 | Heat Exchanger With Resiliently Mounted Bracket - A heat exchanger comprises an end mounting arrangement including a mounting bracket having a first portion for attachment to a support structure and a second portion attached to the heat exchanger. A projection rigidly attached to the end of the heat exchanger is resiliently received in an aperture in the second portion of the mounting bracket. The projection may comprise a pin extending from a plate pair of the heat exchanger, and one end of the pin may be secured between the plates of the plate pair. The mounting bracket may be metal with a resilient element such as a rubber grommet provided in each aperture, or the bracket may comprise plastic in which case a grommet may not be required. | 2012-10-11 |
20120255710 | Modular Data Center - A building system for housing electronic equipment is described. The building system includes a building stack that includes an instrumentation modular building unit, with an internal configuration of space in the instrumentation modular building unit configured to house electronics equipment, a power modular building unit, with an internal configuration of space in the power modular building unit storing power distribution equipment, power filtering equipment and uninterruptable power supplies and further configured to deliver electronic power to the instrumentation modular building unit; and a cooling modular unit comprising an air conditioner unit and a water chiller unit, with the instrumentation modular building unit, the power unit modular building unit and the cooling modular unit stacked together. | 2012-10-11 |
20120255711 | THERMAL ACCUMULATOR AND METHOD OF USE - A thermal management system for a vehicle includes a tank, a heat exchanger, a pump, and a valve located on a conduit. The heat exchanger is located downstream of the tank, the pump is located between the tank and the heat exchanger, and the valve is located downstream of the heat exchanger. The heat exchanger places the coolant in a heat exchange relationship with a heat load from the vehicle such that the coolant vaporizes. The valve regulates pressure within the heat exchanger and controls exhaustion of the vaporized coolant from the vehicle. Water, used as a coolant, can be replenished in flight by condensing a portion of the heat exchanger exhaust or condensing water as part of the environmental control system function or by condensing a portion of the engine exhaust. | 2012-10-11 |
20120255712 | APPARATUS AND METHOD FOR CONDENSING VAPOR IN A VESSEL - Apparatus for condensing vapor in a vessel, which comprises a vapor space ( | 2012-10-11 |
20120255713 | Cooling System Equipped with an Advection-Type Fan - A cooling system equipped with an advection-type fan is disclosed. The cooling system includes a casing and an advection-type fan. The casing has a compartment receiving a heat-emitting source or a heat-conducting element. The casing further includes two radial air-guiding openings communicating with the compartment. The advection-type fan has a frame disposed in the compartment. The frame has an air-guiding lateral wall defining a radial air channel. The frame has radial air inlet and a radial air outlet. Both the radial air inlet and the radial air outlet communicate with the radial air channel. The radial air inlet and the radial air outlet face the two radial air-guiding openings of the casing respectively. The radial air channel receives an impeller that causes air advection to dissipate the heat of the heat-emitting source or the heat-conducting element. The frame has two sides that are completely laid open. | 2012-10-11 |
20120255714 | HYBRID FAN DRIVE WITH ELECTRIC MOTOR - Thermal management systems for vehicle engines which include hybrid fan drives with viscous clutches and electronic motors, particularly brushless DC motors (BLDC). One embodiment incorporates a pulley driven, electronically controlled viscous clutch mechanism and an internal rotor BLDC motor. Another embodiment includes an engine crank mounted electronically controlled viscous clutch mechanism with a tethered electric motor, particularly a BLDC motor. A further embodiment is an engine block mounted electronically controlled viscous clutch mechanism with an integrated external rotor BLDC motor. | 2012-10-11 |
20120255715 | LIQUID-TO-AIR HEAT EXCHANGER - A liquid-to-air heat exchanger includes an air inlet header, an air outlet header and a core. The air inlet header has an air inlet connection and the air outlet header has an air outlet connection. The core is connected to the air inlet header and the air outlet header and is angled relative to the air inlet connection and the air outlet connection. More particularly, the air inlet connection and air outlet connection do not align in a straight flow path and the core is disposed at an acute angle relative to one of the air inlet connection and the air outlet connection and an obtuse angle relative to the other of the air inlet connection and the air outlet connection. | 2012-10-11 |
20120255716 | HEAT DISSIPATION DEVICE AND MANUFACTURING METHOD THEREOF - A heat dissipation device and a manufacturing method thereof. The heat dissipation device includes a first chamber defining a first cavity, a second chamber defining a second cavity, and multiple connection members each defining a passageway. First and second ends of the connection members are respectively connected with the first and second chambers in communication with the first and second cavities through the passageways. A working fluid is contained in the first cavity. When the working fluid is heated, the working fluid is evaporated into vapor. The vapor passes through the passageways into the second cavity. After reaching the second cavity, the vapor is condensed into liquid state. Then, the liquid goes back into the first cavity through the passageways to complete a working cycle and achieve heat dissipation effect. | 2012-10-11 |
20120255717 | LED HEAT-DISSIPATION STRUCTURE FOR MATRIX LED LAMP - An improved heat-dissipation structure for a matrix LED lamp is disclosed. The heat-dissipation structure is a plate-shaped metal hood configured to hold an LED matrix module for heat dissipation so as to maintain the entire matrix LED lamp cool. The heat-dissipation structure is a plate-shaped metal shell having a plurality of threaded holes allowing the LED matrix module to be fixed thereto. In virtue of the tight contact between the bottom of the LED matrix module and the plate-shaped metal hood, heat generated by the LED matrix module can be quickly absorbed and dissipated by the plate-shaped metal hood, so as to prevent the LED matrix module from premature aging, thereby enlightening the service life of the LED matrix module. | 2012-10-11 |
20120255718 | METHOD OF MACHINING CARBON AND GRAPHITE FOAMS - A method for fabricating a solid foam article from a solid foam blank includes the steps of forming a pilot hole in the solid foam blank; positioning a chisel in the pilot hole, the chisel having a cutting portion and a shaft; and directing the cutting portion into the pilot hole in a reciprocating motion to remove solid foam material surrounding the pilot hole. A system for forming articles from solid foam blanks and a heat exchange device are also disclosed. | 2012-10-11 |
20120255719 | CERAMIC HEAT SINK MODULE AND MANUFACTURING METHOD THEREOF - A ceramic heat sink module for lowering a temperature of a heating element is disclosed. The ceramic heat sink module includes a ceramic heat sink module body, wherein a composition of the ceramic heat sink module body includes at least 70% by weight aluminium oxide. | 2012-10-11 |
20120255720 | Temperature Controller for Unit - A temperature controller for a positive pressure room air purification unit is provided with a sensor for ambient room air temperature and supply duct air temperature. Based on the desired temperature, supply duct air may be drawn or drawn and heated. | 2012-10-11 |
20120255721 | OUTDOOR DISPLAY APPARATUS - Provided is an outdoor display apparatus having an improved configuration to effectively prevent deterioration of a panel included therein. The outdoor display apparatus includes: a casing body having an air inlet and an air outlet; first and second display panel modules in the casing body to display images on front and rear surfaces of the casing body, respectively; transparent members fitted respectively to the front surface and the rear surface of the casing body to protect the first and second display panel modules; an air suction unit to suction the air into the casing body through the inlet and to discharge the air through the outlet; and an air distribution unit to distribute the air discharged from the air suction unit to at least one of the first display panel module and the second display panel module. | 2012-10-11 |
20120255722 | PERFORATING STRING WITH LONGITUDINAL SHOCK DE-COUPLER - A shock de-coupler for use with a perforating string can include perforating string connectors at opposite ends of the de-coupler, a longitudinal axis extending between the connectors, and a biasing device which resists displacement of one connector relative to the other connector in both opposite directions along the longitudinal axis, whereby the first connector is biased toward a predetermined position relative to the second connector. A perforating string can include a shock de-coupler interconnected longitudinally between components of the perforating string, with the shock de-coupler variably resisting displacement of one component away from a predetermined position relative to the other component in each longitudinal direction, and in which a compliance of the shock de-coupler substantially decreases in response to displacement of the first component a predetermined distance away from the predetermined position relative to the second component. | 2012-10-11 |
20120255723 | DRILLABLE SLIP WITH NON-CONTINUOUS OUTER DIAMETER - A slip for use in the anchoring of a downhole tool in a well casing is provided. The slip's outer diameter is about equal to the inner diameter of the well casing. The slip is positioned about a mandrel and radially expands upon the application of force. The wickers on the slip deformably engage the casing in response to a force. | 2012-10-11 |
20120255724 | DOWNHOLE TOOL FOR BOREHOLE CLEANING OR FOR MOVING FLUID IN A BOREHOLE - The present invention relates to a downhole tool ( | 2012-10-11 |
20120255725 | METHODS FOR OBTAINING CLEAN ENERGY FROM COAL - The present invention provides methods for stimulating or enhancing the conversion of coal to methane. The methods of the current invention subject coal to an oxidation step, for example ozonolysis, thereby converting at least a portion of the coal to partially-oxidized and water-soluble forms of organic matter. Subsequent contact of the oxidized coal components with a suitable inoculum containing a methanogenic microbial community produces methane. | 2012-10-11 |
20120255726 | IN-SITU MICROBIAL OXYGEN GENERATION AND HYDROCARBON CONVERSION IN A HYDROCARBON CONTAINING FORMATION - A method for in-situ microbial oxygen generation in an underground hydrocarbon containing formation comprises: injecting into the formation an oxygen generating composition comprising thermophilic chlorate reducing micro-organisms, such as bacteria of the genus | 2012-10-11 |
20120255727 | Apparatus and Method For Testing Solids Production In A Wellbore - An apparatus and method is disclosed for conducting a fluid and solids production test in a subterranean well. A testing apparatus may be inserted into a wellbore. The apparatus may employ a tubular housing with entry port(s) through the housing. An inner assembly may be positioned within the tubular housing, the inner assembly being configured for connection to the tubular housing. The inner assembly may include a fluid permeable screen and a distal end forming a reservoir that is scaled, or may be adapted to be scaled, for the collection of solids during a well production testing event. Following a testing event, the apparatus may be removed from the wellbore to enable the collected solids to be measured to determine the amount of solids generated by a subterranean formation at actual field flow conditions. | 2012-10-11 |
20120255728 | Plugging Thief Zones and Fractures by In-Situ and In-Depth Crystallization for Improving Water Sweep Efficiency of Sandstone and Carbonate Reservoirs - The present invention relates to methods and compositions that can be used to delay crystallization of a treatment solution so that thief zones or fractures are plugged in subterranean formations at a substantial distance from a wellbore. A supersaturated sodium aluminate solution, or other solutions, are introduced into the reservoir. The solution is relatively stable in the supersaturated state. Crystallization, or de-stabilizing the solution, can be controlled, which in turn plugs the thief zone or fracture at a designed point of time. By controlling the time that crystallization starts, i.e., the induction period, thief zones that are located at a substantial distant from the wellbore can be plugged. | 2012-10-11 |
20120255729 | MULTISTAGE PROCESS FOR PRODUCING MINERAL OIL USING MICROORGANISMS - A multistage process for producing mineral oil from mineral oil deposits by injecting aqueous flooding media into a mineral oil formation through injection boreholes and withdrawing the mineral oil through production boreholes, in which the mineral oil yield is increased by the use of microorganisms in combination with measures for blocking highly permeable zones of the mineral oil formation. | 2012-10-11 |
20120255730 | PARTIAL SOLUTION MINING OF HYDROCARBON CONTAINING LAYERS PRIOR TO IN SITU HEAT TREATMENT - A method for treating a hydrocarbon containing layer in a subsurface formation is described. The method may include removing at most about 20% by weight of the nahcolite from one or more intervals in the hydrocarbon containing layer that include at least about 40% by weight nahcolite. Heat may be provided from a plurality of heaters to the hydrocarbon containing layer such that at least some hydrocarbons in the hydrocarbon containing layer are mobilized. At least some mobilized hydrocarbons may be produced through at least one production well. | 2012-10-11 |
20120255731 | PROCESS FOR PRODUCING MINERAL OIL FROM UNDERGROUND FORMATIONS - The present invention relates to a process for producing mineral oil from underground formations, wherein, in one process step, permeable regions of the underground formation are blocked by injecting aqueous formulations of hydrophobically associating copolymers into the formation. | 2012-10-11 |
20120255732 | ULTRAFINE GRINDING OF SOFT MATERIALS - Compositions and methods pertaining to the ultrafine grinding of soft materials are disclosed. In one embodiment, a method comprises the step of mixing a soft material with an additive to form a mixture. The method further comprises raising the temperature of the mixture to at least the glass transition temperature of the soft material. The method further comprises cooling the temperature of the mixture. The method further comprises grinding the mixture to form ultrafine particles that comprise at least a portion of the soft material. | 2012-10-11 |
20120255733 | HYPER-FINE CEMENT - A process for sealing or strengthening porous molded articles, rock or porous informations. The process comprises using hyper-fine cement having a particle size D | 2012-10-11 |
20120255734 | MOBILE, MODULAR, ELECTRICALLY POWERED SYSTEM FOR USE IN FRACTURING UNDERGROUND FORMATIONS - The present invention provides a method and system for providing on-site electrical power to a fracturing operation, and an electrically powered fracturing system. Natural gas can be used to drive a turbine generator in the production of electrical power. A scalable, electrically powered fracturing fleet is provided to pump fluids for the fracturing operation, obviating the need for a constant supply of diesel fuel to the site and reducing the site footprint and infrastructure required for the fracturing operation, when compared with conventional systems. | 2012-10-11 |
20120255735 | WATER HEATING APPARATUS FOR CONTINUOUS HEATED WATER FLOW AND METHOD FOR USE IN HYDRAULIC FRACTURING - A method of hydraulic fracturing of an oil producing formation includes the provision of a heating apparatus which is transportable and that has a vessel for containing water. A water stream of cool or cold water is transmitted from a source to a mixer, the cool or cold water stream being at ambient temperature. The mixer has an inlet that receives cool or cold water from the source and an outlet that enables a discharge of a mix of cool or cold water and the hot water. After mixing in the mixer, the water assumes a temperature that is suitable for mixing with chemicals that are used in the fracturing process, such as a temperature of about 40°-120° F.+ (4.4-48.9° C.+). An outlet discharges a mix of the cool and hot water to surge tanks or to mixing tanks. In the mixing tanks, a proppant and an optional selected chemical or chemicals are added to the water which has been warmed. From the mixing tanks, the water with proppant and optional chemicals is injected into the well for part of the hydraulic fracturing operation. | 2012-10-11 |
20120255736 | OFFSHORE TOP TENSIONED RISER BUOYANCY CAN SYSTEM AND METHODS OF FIELD DEVELOPMENT - A method for developing an offshore field comprises (a) coupling a plurality of top-tensioned risers to a first vessel at a first location. In addition, the method comprises (b) decoupling the first vessel from the plurality of top-tensioned risers after (a). Further, the method comprises (c) coupling a second vessel to the plurality of top-tensioned risers after (b) at the first location. | 2012-10-11 |
20120255737 | APPARATUS, SYSTEM, AND METHODS FOR GENERATING A NON-PLUGGING HYDRATE SLURRY - Provided are apparatus, systems, and methods for generating a non-plugging hydrate slurry. The apparatus, systems, and methods for generating a hydrate slurry are useful for transport and/or production of wellstream hydrocarbons in subsea and arctic environments. The present invention provides methods of seeded or unseeded methods of making dry hydrates. Dry hydrates are made with or without the aid of chemicals and, preferably, with minimum use of rotating or other energized equipment. | 2012-10-11 |
20120255738 | MULTI-BARRIER SYSTEM AND METHOD - A multi-barrier system includes a first valve and a second valve that are both in fluidic communication with a lower completion. The first valve and the second valve are positioned proximate an uphole extent of the lower completion, and a member in operable communication with the first valve and the second valve. The system is configured such that both the first valve and the second valve are open when the member is in a first position, the first valve is closed and the second valve is open when the member in a second position, the first valve is open and the second valve is closed when the member is in a third position, and the first valve and the second valve are both closed when the member is in a fourth position. The first valve and the second valve are closable in response to retrieval of an upper completion. | 2012-10-11 |
20120255739 | SELECTIVELY VARIABLE FLOW RESTRICTOR FOR USE IN A SUBTERRANEAN WELL - A variable flow resistance system for use with a subterranean well can include a flow chamber through which a fluid composition flows, the chamber having at least two inlets, and a flow resistance which varies depending on proportions of the fluid composition which flow into the chamber via the respective inlet flow paths, and an actuator which varies the proportions. The actuator may deflect the fluid composition toward one of the inlet flow paths. A method of variably controlling flow resistance in a well can include changing an orientation of a deflector relative to a passage through which a fluid composition flows, thereby influencing the fluid composition to flow toward one of multiple inlet flow paths of a flow chamber, the chamber having a flow resistance which varies depending on proportions of the fluid composition which flow into the chamber via the respective inlet flow paths. | 2012-10-11 |
20120255740 | METHOD AND APPARATUS FOR CONTROLLING FLUID FLOW IN AN AUTONOMOUS VALVE USING A STICKY SWITCH - Apparatus and methods are described for autonomously controlling fluid flow in a tubular in a wellbore. A fluid is flowed through an inlet passageway into a biasing mechanism. A fluid flow distribution is established across the biasing mechanism. The fluid flow distribution is altered in response to a change in the fluid characteristic over time. In response, fluid flow through a downstream sticky switch assembly is altered, thereby altering fluid flow patterns in a downstream vortex assembly. The method “selects” based on a fluid characteristic, such as viscosity, density, velocity, flow rate, etc. The biasing mechanism can take various forms such as a widening passageway, contour elements along the biasing mechanism, or a curved section of the biasing mechanism passageway. The biasing mechanism can include hollows formed in the passageway wall, obstructions extending from the passageway wall, fluid diodes, Tesla fluid diodes, a chicane, or abrupt changes in passageway cross-section. | 2012-10-11 |
20120255741 | ANNULAR CIRCULATION VALVE AND METHODS OF USING SAME - Valves comprise a chamber having a piston disposed therein. One side of the piston defines a hydrostatic chamber in fluid communication with an outside environment, such as wellbore annulus, through a port. Operatively associated with the piston on the other side is a sleeve in sliding engagement with an inner mandrel. The inner mandrel comprises a port that is initially blocked by the sleeve. Upon an increase in pressure within the annulus, the piston is moved causing the port in the sleeve to align with the port in the inner mandrel thereby allowing fluid to flow from the annulus into the bore of the inner mandrel. As a result, fluid can be circulated through the valve, or pressure within the annulus can be reduced. A return member is operatively associated with the piston to urge the piston toward the closed position after pressure within the wellbore annulus is reduced. | 2012-10-11 |
20120255742 | Borehole Metal Member Bonding System and Method - A borehole metal member bonding system includes, a first metal member, a second metal member proximate the first metal member, and a pyrotechnic composition positioned proximate the first metal member and the second metal member configured to bond the first metal member to the second metal member subsequent undergoing an exothermic reaction while within a borehole. | 2012-10-11 |
20120255743 | CORRODABLE BORING SHOES FOR WELLBORE CASING, AND METHODS OF FORMING AND USING SUCH CORRODABLE BORING SHOES - Earth-boring casing shoes include a crown configured for at least one of drilling and reaming a wellbore when the crown is attached to a section of casing and the casing is advanced into a wellbore. The crown includes a body comprising a corrodible composite material, and at least one cutting structure carried on the body. The casing shoes further include connection structure configured for attachment to a section of casing. Methods are used to form such casing shoes, and such casing shoes are used to install casing within wellbores. | 2012-10-11 |
20120255744 | Roller Standoff Assemblies - Roller standoff assemblies and devices facilitate disposal of an interior tubular member within an exterior tubular member. Roller standoff devices include a roller cage and at least one roller supported by the roller cage to contact and roll upon the exterior tubular member. | 2012-10-11 |
20120255745 | Coal Fire Extinguishment Method and Apparatus - A method and apparatus for controlling and extinguishing subterranean coal fires. Suitable detection and measuring devices are initially used to determine the extent of the fire and develop a plan of extinguishment. Flow control devices are added to all the mine's access points in order to control gas flow into and/or out of the mine. In addition, new access points may be added. Gaseous carbon dioxide is pumped into the mine until a positive pressure is developed (with respect to atmospheric pressure. Pressurized and liquefied carbon dioxide is directed into the area of the combustion face. The liquid carbon dioxide blankets the combustion area with a gas which will not support combustion and absorbs a tremendous amount of heat from the burning coal. | 2012-10-11 |
20120255746 | INJECTOR DEVICE FOR AN AIRCRAFT FIRE-FIGHTING SYSTEM - The present disclosure relates to a nozzle device for discharging a fire extinguishing medium into a cargo hold of an aircraft. In order to achieve a reduced weight of a nozzle device while at the same time providing fire protection properties that satisfy the approval requirements, a nozzle device for discharging a fire extinguishing medium into a cargo hold of an aircraft is proposed, which is characterized in that the nozzle device is made of aluminum and/or an aluminum alloy and/or a CFRP material and the nozzle device has a layer of an intumescent material at least on a side facing the cargo hold in the installed state. | 2012-10-11 |
20120255747 | Hand Tool for Edging or Trenching - An hand tool for trenching or edging is in the form of an open loop, with a digging head at its lower end and a split handle portion with left and right shafts and a transverse grip. The head is formed of a transverse cross bar with a curvilinear blade flat blade that extends about eight to ten inches below the cross bar. This may be a semi-circular blade, such as one-half of a fluted coulter disk. The upper part of the cross bar, between left and right handle shaft portions, forms a step or foot plate where the worker can step to bear down over the center of the blade. The tool may be used in trenching for laying cables or conduit. | 2012-10-11 |
20120255748 | AERATION DEVICE - A soil aeration device may include a plurality of arcuate blades mounted to an assembly adapted to rotate and translate the blades proximate a ground surface, thereby forming aeration pockets in the soil. In certain embodiments, the arcuate tines penetrate and fracture the soil while minimizing the amount of soil lifted from the pocket deposited on the top of the soil. In various embodiments, a planetary gear assembly imparts to the tine a translational and rotational movement which creates a fractured pocket in the soil while minimizing the amount of soil lifted from the pocket and deposited on the surface of the soil. In still other embodiments, the arcuate tine may have mounted thereon a coring tube that cuts and removes a plug from the pocket formed in the soil. | 2012-10-11 |
20120255749 | ROTARY IMPACT DEVICE - The present invention provides methods and systems for a rotary impact device having an annular exterior surface for use with an impact wrench for providing torque to a fastener. The rotary impact device includes an input member having an input recess for receiving the anvil of the impact wrench, an output member having an output recess for receiving the fastener, and an inertia member. The inertia member is stationary and positioned on the exterior surface of the rotary impact device for increasing the torque applied to the fastener. | 2012-10-11 |
20120255750 | REMOTE-CONTROLLED ACTUATOR ASSEMBLY - A remote-controlled actuator assembly includes a distal end member fitted to a tip end of a spindle guide section for alteration in attitude, a tool rotatably provided in the distal end member, a tool rotation drive source for rotating the tool, and an attitude altering drive source for operating the attitude of the distal end member. The spindle guide section has a rotary shaft for transmitting a rotation of the tool rotation drive source to the spindle and an attitude altering member to alter the attitude of the distal end member. The attitude altering drive source includes a reduction unit to reduce a speed of input rotation from the attitude altering drive source, a motion converter mechanism to convert a rotational output from the reduction unit to advance/retraction motion, and an output member to cause the attitude altering member to advance/retract according to an output of the motion converter mechanism. | 2012-10-11 |
20120255751 | WIRELESS SMALL MOTOR DRIVER HAVING ROTATION REDUCTION GEAR - A wireless small motor driver, in which power consumption is decreased by adjusting a gear ratio, the efficiency of an operation is increased due to a high torque, and the safety of a worker at night is ensured using an illumination lamp. The wireless small motor driver includes a driver case inside of which a motor is provided. A driver bit has a predetermined length in a bilateral direction, the driver bit being replaceable, with one or both ends thereof conforming to the shape of a bolt, and has a fixing projection. A socket is coupled to an end portion of the driver case, the driver bit being fastened to the socket. A rotation reduction gear is coupled to the motor, the rotation reduction gear transmitting rotary force to the socket and increasing a torque. A USB and a battery for supplying uniform power to the motor are added. | 2012-10-11 |
20120255752 | STRIKING TOOL - A striking tool comprises a tool body; a motor housed in the tool body; striking action drive mechanisms which are driven by the motor and strike a tool bit; a rotational drive mechanism which is driven by the motor and causes the tool bit to rotate; an operating mode switching member which switches between a first operating mode wherein the tool bit performs the striking operation and a second operating mode wherein the tool bit performs rotational operation at a minimum; and a clutch which transmits and cuts off torque between the motor and the rotational drive mechanism. The striking tool is capable of switching between operation modes while preventing excessive reaction torque from acting on the tool body. | 2012-10-11 |
20120255753 | HAND-POWER TOOL WITH AN OSCILLATION-DAMPING DEVICE - A hand-power tool includes at least one oscillation-damping device that has at least one damping spring, a damping mass, and a mechanism housing. The oscillation-damping device has at least two retaining parts that at least partly enclose the damping mass. | 2012-10-11 |
20120255754 | PERCUSSION DRIVER DRILL - In a clutch mechanism of a percussion driver drill, a plurality of engageable members held in a gear case is configured to be engageable with an end face of a final-stage internal gear, and a coil spring is configured to press the engageable members against the end face of the internal gear. The coil spring is disposed frontwardly of the engageable members between a switch member and an operating member of a vibration mechanism. A coupling member connected with the switch member and the operating member is disposed to pass through a gap between the plurality of engageable members and detour around a rear end of the coil spring. | 2012-10-11 |
20120255755 | POWER TOOL - In a power tool, a planetary gear speed reduction mechanism is provided in a gear case, and a spindle is configured to receive a torque of a motor transmitted through the planetary gear speed reduction mechanism. A final-stage internal gear is rotatably provided at a final stage of the planetary gear speed reduction mechanism. A clutch mechanism includes a coil spring configured to press the final-stage internal gear from a front side. The clutch mechanism is configured to cause the internal gear to run idle, thereby interrupting transmission of torque, at overload beyond a pressing force of the coil spring. An elastic member is interposed between an inner peripheral surface of the gear case and an outer peripheral surface of the final-stage internal gear, to give resistance to the final-stage internal gear at idle. | 2012-10-11 |
20120255756 | POWER TOOL - Provided is a power tool which is capable of more reliably detecting excessive reaction torque acting on a tool body. More specifically, provided is a handheld power tool which causes a tip tool to rotate so as to carry out a predetermined machining operation, the handheld power tool comprising a tool body, a motor which is housed in the tool body and causes the tip tool to rotate, a first sensor which detects the torque state of the tip tool, a second sensor which detects the motion state of the tool body, and a torque cut-off mechanism which cuts off the transmission of torque between the motor and the tip tool. The torque cut-off mechanism is configured to cut off the transmission of torque on the condition that the first sensor and the second sensor respectively detect a preset threshold value for the first sensor and the second sensor. | 2012-10-11 |
20120255757 | SHIELDING DEVICE FOR PREVENTING WATER FLOWING INTO ELECTRONIC DEVICE - A shielding device includes an enclosure sidewall. The enclosure includes two side plates, a top plate and a connecting plate connected to the top plate. The connecting plate defines a through hole to engage the cable. The top plate is slanted relative to the sidewall. | 2012-10-11 |
20120255758 | Extension Hose for Vacuum Cleaners - The present invention relates to an extension hose for a vacuum cleaner, which includes a female connector mounted at one end thereof and a male connector mounted at other end thereof so that a flexible hose of the vacuum cleaner can be extended, thereby improving a convenience in use. | 2012-10-11 |
20120255759 | SEALANT-FILLED ENCLOSURES AND METHODS FOR ENVIRONMENTALLY PROTECTING A CONNECTION - A sealant-filled enclosure assembly for environmentally protecting a connection between cables includes a housing and a mass of sealant. The housing is selectively configurable between an open position to receive the connection and a closed position wherein the housing defines an enclosure cavity to contain the connection. The housing includes at least one sealant cavity and a port control system. The port control system includes a gate member that is selectively deflectable from a closed position, wherein the gate member blocks a cable port, to an open position, wherein the cable port is open to permit a cable to extend into the enclosure cavity through the cable port. The gate member is rigid or semi-rigid. The mass of sealant is disposed in the at least one sealant cavity. | 2012-10-11 |
20120255760 | ELECTRIC POWER CABLE FOR MEDIUM OR HIGH VOLTAGE - Electric power cable for medium or high voltage without lead sheath. The cable comprises at least one diffusion barrier ( | 2012-10-11 |
20120255761 | ADHESIVE FILM AND FLAT CABLE USING SAME - The adhesive film includes an insulating film, an adhesive layer provided over one side of the insulating film, and an anchor coat layer provided between the one side of the insulating film and the adhesive layer. The adhesive layer is a copolymer polyamide resin which is soluble in a solvent at 25 degrees Celsius and has a melting point of 100 degrees Celsius or more and 150 degrees Celsius or less. The anchor coat layer enhances the adhesion between the insulating film and the adhesive layer. | 2012-10-11 |
20120255762 | METAL NANOWIRES, METHOD FOR PRODUCING SAME, TRANSPARENT CONDUCTOR AND TOUCH PANEL - To provide metal nanowires which have high electrical conductivity and excellent heat resistance while maintaining excellent light transmission, a production method thereof, a transparent electrical conductor and a touch panel. | 2012-10-11 |
20120255763 | CARD-TYPE INFORMATION RECORDING MEDIUM HAVING EMBEDDED ANTENNA FOR NEAR FIELD COMMUNICATION AND MANUFACTURING METHOD THEREOF - A card-type information recording medium having an embedded antenna for NFC communication is provided. The card-type information recording medium includes: a PCB that has a loop antenna pattern and a routing pattern formed on the top surface and the bottom surface thereof through the use of an etching process; an NFC communication unit and a USIM card unit that are horizontally mounted on the top of the PCB; and a molding material that is formed on the top of the PCB to cover the NFC communication unit and the USIM card unit. Accordingly, it is possible to perform functions of NFC and RFID read/tag by only mounting a USIM device thereon without adding any module or any constituent having an antenna function to a mobile terminal. | 2012-10-11 |
20120255764 | PRINTED CIRCUIT BOARD AND MANUFACTURING METHOD THEREOF - An embedded printed circuit board and a manufacturing method thereof are provided. The manufacturing method includes a first step of forming a first insulating layer having a seed layer formed on one side thereof and at least. one metal pattern embedded therein and a second step of laminating the first insulating layer and a base substrate with an inner circuit having a second insulating layer interposed between the first insulating layer and the base substrate. Accordingly, a printed circuit board with a circuit embedded in an insulating layer is provided, and thus a high-density and high-reliability printed circuit board can be achieved. Furthermore, since the printed circuit board is manufactured using a mold, a circuit manufacturing process for embedding, a process for forming a seed layer and a complicated process such as surface grinding are omitted so as to simplify the manufacturing process. | 2012-10-11 |
20120255765 | ELECTRODE AND METHOD FOR MANUFACTURING THE SAME - Disclosed is an electrode, including a conductive layer containing a conductive component selected from the group consisting of copper, nickel, iron, cobalt, titanium, lead, aluminum, tin, and alloys comprising one of these metals as the principal ingredient thereof, and an oxidation protection layer containing boron oxide, said oxidation protection layer covering the top surface of the conductive layer, or covering both the top surface and the sides of the conductive layer, or covering all locations where the conductive layer has been formed; the electrode being formed by air firing the conductive layer and the oxidation protection layer simultaneously. | 2012-10-11 |
20120255766 | PRODUCTION METHOD OF CONNECTION STRUCTURE - In order to lower the substantial heating temperature of a thermosetting adhesive and to realize favorable connection reliability during connecting an electrical element to a circuit board by anisotropic conductive connection with using solder particles, a product in which solder particles having a melting temperature Ts are dispersed in an insulating acrylic-based thermosetting resin having a minimum melt viscosity temperature Tv is used as an anisotropic conductive adhesive in producing a connection structure by connecting the circuit board and the electrical element to each other by anisotropic conductive connection. | 2012-10-11 |
20120255767 | ASSEMBLY STRUCTURE FOR INJECTION MOLDED SUBSTRATE AND FOR MOUNTING COMPONENT - A substrate ( | 2012-10-11 |
20120255768 | Solder Containment Brackets - Electronic assemblies with solder containment brackets are provided. A solder containment bracket may have a planar base and a vertically extending wall. The wall may protrude upwards from the base to form an enclosed region. The base may have a hole that corresponds to the shape of the enclosed region. The wall may have an opening. A wire may be inserted into the opening. The wire may be soldered to the solder containment bracket to form a solder joint that electrically connects the wire to the bracket. The solder joint formed within the enclosed region may have a size that is defined by the bracket wall. The solder containment bracket may be soldered to a solder pad on a printed circuit board by reflowing a layer of solder paste. | 2012-10-11 |
20120255769 | PRINTED CIRCUIT BOARD - A printed circuit board including: a first insulation layer; a second insulation layer stacked over the first insulation layer; a circuit pattern and a via land buried in the second insulation layer; and a via penetrating the first insulation layer and integrated with the via land, the via made of a conductive material. | 2012-10-11 |
20120255770 | Carrier and Method for Fabricating Thereof - A method for fabricating a carrier is disclosed, wherein the carrier is applied for a microelectromechanical sensing device. The method includes the steps of: providing a first substrate, wherein the first substrate includes a first metal layer, a first dielectric layer, and a first opening; providing a second substrate, wherein the second substrate includes a second metal layer, a second dielectric layer, and a second opening; providing a reticular element; pressing the first substrate, the reticular element, and the second substrate to form a composite substrate, wherein the first opening and the second opening form a hole, and the reticular element is positioned in the hole; and forming at least one conductive via in the composite substrate. | 2012-10-11 |
20120255771 | PACKAGING SUBSTRATE AND METHOD OF FABRICATING THE SAME - A packaging substrate includes a core board having a first surface and an opposite second surface; at least a conic through hole formed in the core board and penetrating the first and second surfaces; a plurality of conductive paths formed on a wall of the conic through hole, free from being electrically connected to one another in the conic through hole; and a plurality of first circuits and second circuits disposed on the first and second surfaces of the core board, respectively, and being in contact with peripheries of two ends of the conic through hole, wherein each of the first circuits is electrically connected through each of the conductive paths to each of the second circuits. Compared to the prior art, the packaging substrate has a reduced number of through holes or vias and an increased overall layout density. | 2012-10-11 |
20120255772 | SYSTEMS FOR JOINING INSULATED CONDUCTORS - Systems and methods for heaters used in treating a subsurface formation are described herein. Certain embodiments relate to systems for insulated conductors used in heater elements. More particularly, fittings for splicing together insulated conductors and/or insulated conductors to other conductors are described. | 2012-10-11 |
20120255773 | BREAKOUT BOX - Aspects relate to structures for providing connections between electronic components, such as signaling devices and power sources utilized in the provisioning of telecommunication services. Further aspects relate to a bus bar and novel methods for utilizing bus bars. In one embodiment, a bus bar may be vertically positionable within a breakout box. The bus bar may be substantially parallel with a back of the structure such that an upper end of the bus bar is positioned above a lower end. Structures and bus bar may be configured to permit a cable to traverse above a first orifice of the first plurality of orifices and bend along a bending radius to traverse in a downward vertical direction to place the cable in direct operative connection with a first orifice of the bus bar. Further aspects relate to arrangement of components with structures. | 2012-10-11 |
20120255774 | HIGH POWER LASER-MECHANICAL DRILLING BIT AND METHODS OF USE - There is provided a high power laser-mechanical bit for use with a laser drilling system and a method for advancing a borehole. The laser-mechanical bit has a beam path and mechanical removal devices that provide for the removal of laser-affected rock to advance a borehole. | 2012-10-11 |
20120255775 | METHODS AND SYSTEMS FOR DRILLING BOREHOLES - A system for drilling a borehole according to the present invention includes a drill rig and a control system. The control system receives information from the drill rig that relates to at least one drill parameter. The control system processes information relating to the drill parameter, determines whether the drill parameter is within a predetermined specification for the monitored drill parameter, chooses a hole defect mitigation routine based on the monitored drill parameter when the monitored drill parameter is outside the predetermined specification, and controls the drill rig to implement the chosen hole defect mitigation routine. | 2012-10-11 |
20120255776 | AUTOMATIC STANDPIPE PRESSURE CONTROL IN DRILLING - A method of controlling standpipe pressure in a drilling operation can include comparing a measured standpipe pressure to a desired standpipe pressure, and automatically adjusting a choke in response to the comparing, thereby reducing a difference between the measured standpipe pressure and the desired standpipe pressure. A standpipe pressure control system for use in a drilling operation can include a controller which outputs an annulus pressure setpoint based on a comparison of a measured standpipe pressure to a desired standpipe pressure, and a choke which is automatically adjusted in response to the annulus pressure setpoint. A well system can include a standpipe line connected to a drill string in a wellbore, a sensor which measures pressure in the standpipe line, and a controller which outputs an annulus pressure setpoint based at least in part on a difference between the measured pressure and a desired standpipe pressure. | 2012-10-11 |
20120255777 | WELLBORE PRESSURE CONTROL WITH OPTIMIZED PRESSURE DRILLING - A well system can include an accumulator in communication with a wellbore, whereby the accumulator applies pressure to the wellbore. A method of maintaining a desired pressure in a wellbore can include applying pressure to the wellbore from an accumulator in response to pressure in the wellbore being less than the desired pressure. Another well system can include a dampener in communication with a wellbore isolated from atmosphere, whereby the dampener mitigates pressure spikes in the wellbore. | 2012-10-11 |
20120255778 | DRILLING CONTROL SYSTEM AND METHOD - A method of operating a drill string includes receiving signals indicative of rotation of a bottom hole assembly (BHA) of the drill string; receiving signals indicative of the torque experience by the BHA; determining from the received signals an average slipping torque and a maximum sticking torque; determining a friction ratio based on the maximum sticking torque and the average slipping torque; and generating an indication that the friction ratio exceeds a limit. | 2012-10-11 |
20120255779 | Automatic Control System For Connecting A Dual-Member Pipe - A system and method of making up and breaking out a dual-member drill string. The system comprises a spindle, a spindle carriage and a drive frame. The drive frame provides thrust to the spindle, while the spindle carriage provides rotation. The spindle has an outer spindle and an inner spindle, and is adapted to connect to a pipe section having an outer pipe section and an inner pipe section. Inner joints are geometrically shaped, while outer joints are threaded. When making up dual member drill string, the spindle is advanced, with the outer spindle rotating, and the inner spindle rotating in alternating directions, or “dithering.” A float sensor and a processor are used in tandem to cooperatively couple the inner spindle with the inner pipe sections and the outer spindle with the outer pipe sections. | 2012-10-11 |
20120255780 | METHOD AND APPARATUS FOR CALCULATING AND CORRECTING FOR DIRECTIONAL DRILLING TOOL FACE OFFSETS - A method for correcting for tool face offset in directional drilling components, namely between a directional sensor reference point and a high side of a bent sub. Graduated markings applied on an outer surface of a UBHO sub containing the directional sensor and a reference marking on drill pipe indicating high side of the bent sub, or alternatively graduated markings applied to drill pipe relative to the high side of the bent sub and a reference marking on the outer surface of the UBHO, are together utilized to determine the tool face offset, which is then provided to a software program to permit the software programme to then indicate a correct bent sub angular orientation to the directional drilling operator at surface. Bottom hole components utilizing graduated markings on one of such bottom hole components and having a reference marking on the other of the components, are also disclosed. | 2012-10-11 |
20120255781 | DETERMINING A PROPERTY OF A FORMATION MATERIAL - Method for determining a property of a formation material in the course of a jet drilling operation, wherein a fluid jet is blasted with erosive power into impingement with the formation material, the method comprising postulating a relationship between the erosive power and a removal rate of formation material as a result of the impingement of the fluid jet with the erosive power on said formation material, the relationship comprising a parameter related to at least one property of the formation material; determining removal rates of formation material for at least two settings of erosive power; and determining the at least one property of the formation material from the relationship and the determined removal rates in dependence on erosive power. | 2012-10-11 |
20120255782 | SONIC DRILL HEAD - A sonic drill head comprising an outer housing, an isolation system, a sine generator and a spindle. The sine generator generates a linear sinusoidal vibration force through the rotation of a plurality of eccentric masses. The sine generator is configured to translate the linear sinusoidal force to the spindle in a direction corresponding to the spindle's axis of rotation. The sine generator supports the spindle within the housing such that the spindle is free to rotate about the spindle axis. The spindle is generally a hollow tube section thereby allowing the passage of drilling fluid, mud, cuttings, and/or tooling. The isolation system generally reduces the transfer of the vibration force generated by the sine generator to the outer housing, yet is able to transfer an applied thrust force from the outer housing to the sine generator. | 2012-10-11 |
20120255783 | ROTATING CONTROL DEVICE WITH POSITIVE DRIVE GRIPPING DEVICE - A rotating control device can include a rotatably mounted seal which sealingly engages a drill string, and a gripping device which grips the drill string and thereby forces the seal to rotate with the drill string. A drilling method can include positioning a drill string in a rotating control device, gripping the drill string with a gripping device of the rotating control device, and rotating the drill string, gripping engagement between the gripping device and the drill string causing a seal of the rotating control device to rotate along with the drill string. A well system can include a drill string, and a rotating control device including a seal which sealingly engages the drill string and a gripping device which grippingly engages the drill string. | 2012-10-11 |
20120255784 | Apparatus for Controlling Drill Bit Depth of Cut Using Thermally Expandable Materials - In an aspect, drill bit for use in drilling a borehole is provided that includes a body including a side, face section and a passage in the body. The drill bit further includes a rubbing member disposed in the face section and configured to control a depth of cut for the drill bit, wherein the rubbing member comprises a thermally responsive material in thermal communication with the passage configured to control a position of the rubbing member with respect to the face section | 2012-10-11 |
20120255785 | SYSTEM AND METHOD FOR COUPLING A DRILL BIT TO A WHIPSTOCK - A system and method facilitate drilling of a lateral wellbore by eliminating one or more trips downhole. The system comprises a drill bit optimized for the drilling operation. The drill bit is coupled to a whipstock via a connector, which minimizes interference with the cutting elements of the drill bit. The connector includes a separation device which facilitates disconnection of the drill bit from the whipstock after the whipstock is anchored at a desired downhole location. The separation device is disposed in the connector to minimize the remaining portions of the connector existing after separation of the drill bit from the whipstock which must be milled by the drill bit prior to drilling the lateral wellbore. | 2012-10-11 |
20120255786 | Method and Apparatus for Reaming Well Bore Surfaces Nearer the Center of Drift - A well bore reaming device and method are disclosed. The device includes a drill string, a bottom eccentric reamer coupled to the drill string, and a top eccentric reamer coupled to the drill string, wherein the bottom and top eccentric reamers have a prearranged spacing and orientation. | 2012-10-11 |
20120255787 | Method for Hydrocarbon Well Completion - A method of completing a hydrocarbon lateral well in a target shale formation. The method uses a data log generated from an optical flow cell assembly to identify areas in the lateral well of high free gas porosity. By evaluating such data, an operator can group “like” rock, determine stage length and variation in stage length, and determine perforation cluster spacing and location. The flow cell assembly can also be used in a completion program to assist in the steering of a lateral well being drilled below the target formation. | 2012-10-11 |
20120255788 | Drill Bit with Hydraulically Adjustable Axial Pad for Controlling Torsional Fluctuations - In one aspect, a drill bit is disclosed that, in one configuration, includes one or more cutters on a surface thereon configured to penetrate into a formation, at least one pad at the surface, an actuation device configured to supply a fluid under pressure to the pad to extend the pad from the surface, and a relief device configured to drain fluid supplied to the pad to reduce the pressure on the at least one pad when the force applied on the at least one pad exceeds a selected limit. | 2012-10-11 |
20120255789 | BEARING ASSEMBLIES, AND BEARING APPARATUSES AND MOTOR ASSEMBLIES USING SAME - Bearing assemblies and apparatuses are disclosed. Such bearing assemblies may be employed in bearing apparatuses for use in downhole motors of a subterranean drilling system or other mechanical systems. In an embodiment of the present invention, a bearing assembly includes a plurality of bearing elements distributed circumferentially about an axis. Each bearing element includes a superhard bearing surface. The plurality of bearing elements defines a plurality of gaps. Each gap is formed between circumferentially-adjacent bearing elements of the plurality of bearing elements. Further embodiments of the present invention include bearing apparatuses and downhole motors that may utilize any of the disclosed bearing assemblies. | 2012-10-11 |
20120255790 | Dual Pipe For Increased Fluid Flow - A dual pipe drill string system having increased fluid flow. The dual pipe system comprises a plurality of pipe sections, each pipe section having an inner rod and an outer pipe. The inner rod and the outer pipe of each pipe section may be coupled to the inner rod and outer pipe of an adjacent pipe section. An annulus between the inner rod and the outer pipe defines a fluid flow path through the dual pipe system. The outer pipe defines a shoulder at each end of an individual pipe section. The inner rod defines at least one stop for maintaining the inner rod within the outer pipe. A spacing assembly disposed around the circumference of the inner rod defines paths for fluid flow and maintains a minimum distance between the stop and the shoulder at one end of outer pipe of the pipe section. | 2012-10-11 |
20120255791 | METHOD OF DRILLING AND ABRASIVE JET DRILLING ASSEMBLY - A method of drilling comprises providing a drill string in a borehole, the drill siring comprising an abrasive jet drill head including a jet nozzle, and providing a fluid passageway between the object's surface and the jet nozzle; supplying a fluid mixture comprising magnetic particles to the abrasive jet drill head and blasting from the nozzle an abrasive jet into impingement with the object; and modulating a jetting concentration of magnetic particles in the abrasive jet by modulating a magnetic field a first value, at which magnetic particles are collected from the fluid mixture, and a second value, at which magnetic particles are released into the fluid mixture. Further, an abrasive jet drilling assembly comprising a modulation means for modulating the concentration of the magnetic abrasive particles in the fluid jet a modulation control means for selectively changing a magnetic field between first and second values. | 2012-10-11 |
20120255792 | METHOD OF DRILLING AND JET DRILLING SYSTEM - A method of drilling comprises providing a drill string in a borehole, the drill string comprising an abrasive jet drill head including a jet nozzle and providing a passageway for fluid to the nozzle; supplying a supply fluid comprising a supply concentration of abrasive particles to the jet drill head; generating an jet comprising a jetting concentration of abrasive particles at the nozzle, wherein the jetting concentration depends on the supply concentration; and modulating the jetting concentration; wherein the supply concentration is modulated in order to modulate the jetting concentration. Further, an drilling assembly comprising an drill head with a jet nozzle, a passageway for fluid from a drill string to the jet nozzle, and a modulation means arranged along the fluid passageway for modulating the concentration of abrasive particles in fluid flowing through the fluid passageway towards the jet nozzle. | 2012-10-11 |
20120255793 | MATRIX POWDER FOR MATRIX BODY FIXED CUTTER BITS - A drill bit is disclosed that has a bit body with a plurality of blades extending radially therefrom and at least one cutting element for engaging a formation disposed on at least one of the plurality of blades. At least a portion of the plurality of blades has a first matrix region made of a plurality of first carbide particles separated by a first binder phase, wherein the plurality of first carbide particles have a mean free path of at least 40 microns. | 2012-10-11 |
20120255794 | APPARATUS, SYSTEM, AND METHOD FOR WAFER CHARACTERIZATION - An apparatus for characterizing a wafer comprising an aligner comprising a chuck for receiving and rotating the wafer, a sensor for detecting the position of the wafer as it is rotated, a first actuator for lowering and raising the wafer vertically, and a second actuator for moving the chuck horizontally; and a weighing scale comprising a weight sensor disposed proximate to the aligner, and a cantilevered arm extending laterally from the weight sensor over the chuck of the aligner, the cantilevered arm having a through hole surrounding the chuck. The chuck is vertically movable relative to the weighing scale from a first position in which the wafer is supported by the chuck to a second position in which the wafer is supported by the cantilevered arm of the weighing scale. A method for characterizing a wafer using the instant apparatus is also disclosed. | 2012-10-11 |