52nd week of 2017 patent applcation highlights part 30 |
Patent application number | Title | Published |
20170370159 | CONNECTION PROTECTOR WITH A FLEXIBLE GASKET FOR A TUBULAR COMPONENT - A protector for a connection for a tubular component for drilling or operating hydrocarbon wells, provided with a distal end surface, the protector comprising an annular housing comprising a bottom, two lateral walls, outer and inner, separated from each other and in which an annular gasket is disposed, each lateral wall comprising a bottom lateral wall portion and an exterior lateral wall portion and an upper face, the two exterior lateral wall portions defining an opening with width A | 2017-12-28 |
20170370160 | PROTECTOR WITH A FLEXIBLE GASKET FOR THE MALE OR FEMALE END OF A COMPONENT OF A THREADED TUBULAR CONNECTION - A protector for the male or female end of a threaded tubular connection for drilling or operating hydrocarbon wells, comprising a principal body, a first sealing gasket formed from a material which is less rigid than the material of the protector body and intended to make a seal with a surface of an end of the component, the principal body comprising a plurality of orifices through which the sealing gasket passes. | 2017-12-28 |
20170370161 | SYSTEM AND METHOD FOR PRELOADING CONNECTION USING PRESSURE - A technique facilitates formation of a connection between a first component and a second component. The first component and the second component may each comprise a tubular component. Additionally, the second component is secured to the first component via a coupler which is constructed to establish a hydraulic chamber between the coupler and at least one of the first component and the second component. Application of hydraulic pressure in the hydraulic chamber causes a desired preloading of the first component and the second component across the connection. | 2017-12-28 |
20170370162 | TUBULAR COMPONENT WITH A HELICAL ABUTMENT - A tubular drill stem component including an end element having an axis of revolution and including a threading extending about the axis of revolution, the end element configured to be connected by makeup onto a corresponding end element of another tubular component including a complementary threading, the end element including at least one outer abutment configured to come into contact with a corresponding outer abutment of the other component at an end of makeup, and wherein the outer abutment includes at least one helical surface having an axis of the helix that coincides with the axis of revolution. | 2017-12-28 |
20170370163 | TAPERED SPLINE CONNECTION FOR DRILL PIPE, CASING, AND TUBING - An apparatus comprises a first number of splines located near a first end of a first joint section and a second number of splines located near a second end of a second joint section. The first number of splines extends in an axial direction of the first joint section and spans a circumferential surface of the first joint section. Each of the first number of splines has a base, a tip, and a pair of flanks that extends from the base to the tip and forms an acute angle. Each of the first number of splines are configured to be received between adjacent pairs of splines in the second number of splines as the first end of the first joint section and the second end of the second joint section are joined. | 2017-12-28 |
20170370164 | APPARATUS FOR RECIPROCATION AND ROTATION OF A CONVEYANCE STRING IN A WELLBORE - A telescopic tool is located intermediate a conveyance string and permits an uphole portion to be manipulated through reciprocation and rotation regardless of the fixed nature of a downhole portion. In embodiments, tools uphole of telescopic joint can be actuated by casing manipulation to aid in placement of cement. In other embodiments, such as during running into the wellbore, the tool can be selectively actuated to cause the uphole casing string to lock to, and rotate, the casing string located downhole. | 2017-12-28 |
20170370165 | CLAMP-ON SINGLE JOINT MANIPULATOR FOR USE WITH SINGLE JOINT ELEVATOR - An apparatus for assembling a tubular string includes a rig drilling bail, a joint bail extender, and a device. The joint bail extender is rigidly coupled to the rig drilling bail. The device is coupled to the first joint bail extender and configured to engage a tubular segment. | 2017-12-28 |
20170370166 | Pipe Wrench - A pipe wrench for making-up or breaking-out a threaded connection between a first tubular member and a second tubular member includes an upper wrench assembly with a pair of upper jaw assemblies configured to grip the first tubular member and a lower wrench assembly with a pair of lower jaw assemblies configured to grip the second tubular member. The upper and lower wrench assemblies are concentrically constrained, axially overlap, and radially engage with one another. Each of the upper and lower wrench assemblies independently includes a frame with a curved segment containing an arc at an angle of about 160° to about 200°. The upper and lower wrench assemblies are configured to rotate the first tubular member relative to the second tubular member and can have an angle of rotation in a range from about 75° to about 180°. | 2017-12-28 |
20170370167 | MUD-GAS SEPARATOR APPARATUS AND METHODS - In one aspect, a mud-gas separator vessel defines an internal region in which a slurry is adapted to be collected. The slurry defines a fluid level. A sensor is adapted to measure the fluid level. An electronic controller is in communication with the sensor and is adapted to receive measurement data. A control valve is in communication with the controller and is adapted to control discharge of the slurry. The controller is adapted to automatically control the control valve based on the measurement data and thus actively control the fluid level using the control valve. In another aspect, a method is provided for automatically maintaining the fluid level to prevent vent gas carry under from the separator vessel. In another aspect, a kit is provided for actively controlling the fluid level. In another aspect, a method of retrofitting a mud-gas separator apparatus is provided. | 2017-12-28 |
20170370168 | DOWNHOLE TOOL ACTUATION SYSTEM HAVING INDEXING MECHANISM AND METHOD - A downhole tool actuation system including: a tubing having a longitudinal axis and a main flowbore supportive of tubing pressure; an indexing mechanism in fluidic communication with the main flowbore, the indexing mechanism configured to count N number of tubing pressure cycles; a port isolation device movable between a blocking condition and an actuation condition, the port isolation device in the blocking condition for N−1 cycles of the indexing mechanism, and movable to the actuation condition at the Nth cycle of the indexing mechanism; and, a chamber sealed from the main flowbore in the blocking condition of the port isolation device, the chamber exposed to the tubing pressure in the actuation condition of the port isolation device. The downhole tool actuation system is configured to actuate a downhole tool upon exposure of the chamber to tubing pressure. | 2017-12-28 |
20170370169 | PLUG LAUNCHING SYSTEM AND METHOD - A plug launching system includes a main body and a plug canister disposed within the main body. The plug canister includes a liner, a first rotational assembly disposed about the liner, wherein the first rotational assembly is configured to support a first plug disposed within the liner and selectively enable fluid flow from an annulus between the main body and the plug canister to a central passage of the liner, and a second rotational assembly disposed about the liner, wherein the second rotational assembly is configured to support a second plug disposed within the liner and selectively enable fluid flow from the annulus between the main body and the plug canister to the central passage of the liner, wherein the first and second rotational assemblies are configured to be actuated independently from one another. | 2017-12-28 |
20170370170 | FAILSAFE VALVE SYSTEM - A technique facilitates failsafe closure of a valve used in, for example, a subsea test tree. The technique utilizes a valve combined with a cutter oriented to sever well equipment passing through an interior passage of the valve. The valve is operatively coupled with an actuation system having an actuator piston which controls cutting and valve closure. The failsafe valve and the cutter are shifted to an open position by applying pressure in a control fluid chamber to shift the actuator piston. However, the actuator piston, and thus the valve and cutter, are biased toward a closed position via pressure applied in a pressure chamber and a gas precharge chamber. The combined pressure ensures adequate force for shearing of the well equipment and closure of the valve when hydraulic control pressure is lost. In some applications, additional closing force may be selectively provided to the actuator piston. | 2017-12-28 |
20170370171 | PRESSURE CONTAINMENT DEVICES - A pressure containment device includes a sealing element. The sealing element includes a longitudinal axis, a substantially annular cross-section arranged perpendicular to the longitudinal axis, a radially inwardly facing interior surface having a plurality of recesses, a radially outwardly facing exterior surface, a first end surface having a plurality of recesses, and a second end surface. The first end surface and the second end surface are each arranged to extend from the radially inwardly facing interior surface to the radially outwardly facing exterior surface. The first end surface and the second end surface are arranged at opposite ends of the sealing element. | 2017-12-28 |
20170370172 | ADJUSTABLE FRACTURING SYSTEM - A method and apparatus according to which a hydraulic fracturing fluid is communicated to a wellhead, the apparatus including a fracturing tree connected to the wellhead and into which the hydraulic fracturing fluid is adapted to flow, a fluid conduit connected to the fracturing tree and through which the hydraulic fracturing fluid is adapted to flow before flowing into the fracturing tree, the fluid conduit defining a straight fluid flow path, and a zipper module connected to the fluid conduit and out of which the hydraulic fracturing fluid is adapted to flow before flowing through the fluid conduit. The hydraulic fracturing fluid flows along the straight fluid flow path of the fluid conduit upon flowing out of the zipper module, and continues to so flow along the straight fluid flow path until the hydraulic fracturing fluid flows into the fracturing tree. | 2017-12-28 |
20170370173 | ROBOTIC MANIPULATORS FOR SUBSEA, TOPSIDE, AND ONSHORE OPERATIONS - An apparatus including a robotic manipulator coupled to an oilfield device to facilitate support operations. The robotic manipulator can include a tool for interacting with components of the oilfield device, and the robotic manipulator can provide three translational degrees of freedom of the tool with respect to the oilfield device. Additional systems, devices, and methods are also disclosed. | 2017-12-28 |
20170370174 | Elastomeric Materials - A bore tool can include a component that includes a longitudinal axis and a perimeter surface disposed at one or more radii from the longitudinal axis; and an elastomeric component disposed about the perimeter surface where the elastomeric component includes an elastomeric material that includes carbon-based nanoplatelets. | 2017-12-28 |
20170370175 | WELL TOOL DEVICE COMPRISING FORCE DISTRIBUTION DEVICE - A well tool device includes a mandrel device, a sealing element and upper and lower supporting devices. The well tool device may be configured between a run state, in which the sealing element is radially retracted, and a set state, in which the sealing element is radially expanded. The well tool device further includes a pressure distribution device for distributing the pressure on the sealing element in the set state via the upper and lower supporting devices. The pressure distribution device includes a sleeve device provided radially outside the mandrel device and radially inside the sealing element, where the sleeve device is axially displaceable in a sleeve compartment in relation to the mandrel device and the sealing element. The sleeve device includes an upper protrusion for applying a downwardly directed axial force to the upper supporting device when the sleeve device is in its lower position. | 2017-12-28 |
20170370176 | SPLIT RING SEALING ASSEMBLIES - A settable downhole tool with preset metallic split rings having gaps from their leading edges to their trailing edges. The rings expand radially outward during setting by widening the gaps, adjacent rings covering the gaps, creating a substantially fluid tight metal to metal seal with the casing. | 2017-12-28 |
20170370177 | HYDRAULIC TOOL - A system including a hydraulic tool configured to energize a lock ring system and a seal assembly with a hydraulic fluid, wherein the hydraulic tool including a hydraulic body configured to couple to a hydraulic fluid source, a first piston configured to move axially with respect to the hydraulic body to energize the seal assembly, and a second piston configured to move axially with respect to the hydraulic body to energize the lock ring system, wherein the first and second pistons are simultaneously exposed to the hydraulic fluid in an opening in the hydraulic body. | 2017-12-28 |
20170370178 | Activation Device and Activation of Multiple Downhole Tools with a Single Activation Device - An activation device is disclosed that can activate multiple downhole tools in a wellbore. The activation device is cost effective and easy to produce. A method for activating multiple downhole tools in a wellbore is described where at least one downhole tool is activated by magnetic field, while at least one additional downhole tool is activated by mating of the activation device with the downhole tool. | 2017-12-28 |
20170370179 | DOWNHOLE DRILLING SYSTEM - The present invention relates to a downhole drilling method for drilling a well in a formation having a formation pressure. The downhole drilling method comprises providing a drill string having a first part and a second part, the second part being arranged closer to a top of the well than the first part, and the first part having a drilling head in a first end and an annular barrier arranged closer to the top of the well than the drilling head. The annular barrier comprises a tubular metal part for mounting as part of the first part of the drill string, the tubular metal part having an outer face; an expandable metal sleeve surrounding the tubular metal part and having an inner face facing the tubular metal part and an outer face facing an inner face of a borehole of the well, each end of the expandable metal sleeve being connected with the tubular metal part; and an annular space between the inner face of the expandable metal sleeve and the tubular metal part, the expandable metal sleeve being configured to expand. The downhole drilling method furthermore comprises drilling the borehole by means of the drilling head; detecting the formation pressure to determine any loss of formation pressure; stopping the drilling; dropping a ball into the drill string; pressurising the drill string until the ball reaches a ball seat arranged opposite or below the annular barrier; expanding the expandable metal sleeve by further pressurising the drill string until the expandable metal sleeve abuts the inner face of the borehole; separating the second part of the drill string from the first part; pulling the second part out of the borehole; and injecting cement into the borehole above the first part to provide a cement plug above the first part. The present invention furthermore relates to a downhole drilling system for performing the downhole drilling method according to the present invention and to a downhole completion system. | 2017-12-28 |
20170370180 | BALL VALVE - A ball valve is provided. The ball valve includes a housing, a ball seat arranged in the housing, a ball member mounted within the housing and being rotatable relative to the ball seat between open and closed positions, the ball seat and ball member defining respective through bores, the ball member including a sealing surface, a bore surface and a leading edge surface extending between the sealing surface and the bore surface, the leading edge surface being configured to cut a body extending at least partially through the valve upon closure of the ball member, wherein said leading edge surface is truncated. The ball member may include a relief region proximate the leading edge surface. | 2017-12-28 |
20170370181 | SHAFT BLOWOUT PREVENTION DEVICE - A valve includes a valve body defining a top end, a bottom end distal from the top end, and a shaft bore defined in the top end and the bottom end; a valve shaft positioned at least partially within the shaft bore of the valve body and defining an end bore; and a shaft blowout prevention fastener secured within the end bore of the valve shaft. | 2017-12-28 |
20170370182 | COMPONENT AND METHOD - A downhole component includes a body and a stress riser formed in the body. The stress riser being positioned and shaped to promote a full fracture of the body while maintaining a structure of the body to bear force in at least one direction. A downhole system having a tubular string disposed in a borehole. | 2017-12-28 |
20170370183 | ELECTRO-HYDRAULIC ACTUATION SYSTEM - An electro-hydraulic actuator includes a housing having an interior portion a first opening and a second opening, a transducer is arranged in the interior portion. The transducer includes a sensor operatively coupled to a signal source at the first opening. A selectively activatable valve component is arranged at the second opening. The selectively activatable valve component maintains a desired pressure in the interior portion of the housing. An actuator is operatively coupled to the transducer and operable to activate the selectively activatable valve component exposing the interior portion to a volume of fluid in response to a signal from the transducer to activate a downhole system. | 2017-12-28 |
20170370184 | VALVE WITH PUMP ROTOR PASSAGE FOR USE IN DOWNHOLE PRODUCTION STRINGS - Methods and apparatus for utilizing a valve with a pump rotor passage with a downhole production string, the pump rotor being on a rotatable rod with a bobbin moving along the rod between a position for opening the passage to fluid flow, when the bobbin is not seated on a shuttle seat, and a position for closing the passage to fluid flow, when the bobbin is seated on the shuttle seat. The pump rotor and rod are removable through the passage while leaving the pump stator in place upstream of the valve. | 2017-12-28 |
20170370185 | METHODS AND SYSTEMS FOR A PIN POINT FRAC SLEEVES SYSTEM - Example of the present disclosure relate to frac sleeve with set of inner sleeves that allow selective open and close of such sleeves, where clusters of the same frac sleeves to be treated top to bottom. | 2017-12-28 |
20170370186 | DIFFERENTIAL FILL VALVE ASSEMBLY FOR CASED HOLE - A differential fill valve assembly for application in float collars or shoes in a well casing can provide locking mechanisms to limit premature movement of an activating sleeve while facilitating desired advancement of the activating sleeve. The valve assembly comprises a backpressure flapper valve and an activating sleeve slidably disposed within a housing. The activating sleeve initially maintains the flapper valve in an open position while the activating sleeve is maintained in its position by upper and/or lower lock rings on either side of a shoulder of the activating sleeve. A tripping ball is dropped to seat in the activating sleeve. Pressure applied on the ball moves the activating sleeve downward, releasing the backpressure flapper valve, after which the tripping ball exits the bottom of the assembly. The lower lock ring maintains the activating sleeve in its lower position. | 2017-12-28 |
20170370187 | METHOD AND APPARATUS TO UTILIZE A METAL TO METAL SEAL - In one aspect, a downhole device for use in a wellbore to selectively isolate a first pressure and a second pressure is disclosed, including a first piston including: a first sealing face to selectively isolate the first pressure and the second pressure; a first pressure face to receive the first pressure; and a second pressure face to receive the second pressure; and a second piston selectively coupled to the first piston, the second piston including a third pressure face to receive the second pressure; and a fourth pressure face to receive the first pressure, wherein the fourth pressure face is larger than the first pressure face. | 2017-12-28 |
20170370188 | HEATING CABLE FOR EXTRACTION PIPES OF VISCOUS HYDROCARBONS OR PARAFFINIC IN CONVENTIONAL WELLS AND TYPE TIGHT WELLS, VERTICAL OR DIRECTIONAL, WITH FLOODED ANNULAR IN CASUAL OR PERMANENT FORM, SUITABLE FOR USE BETWEEN LOW AND HIGH FLUID PRESSURES RANGES - The present invention relates to a heating cable for extraction pipes of viscous hydrocarbon or paraffinic in conventional wells and tight type wells, with flooded ring in eventual or permanent cases, suitable for use between low and high fluid pressure ranges. The cable, flat type with parallel electric conductors, is also suitable for use in both vertical and directional wells with high operational flexibility in a wide range of variables. Each of the electric conductors ( | 2017-12-28 |
20170370189 | Apparatus and Methods for Well Intervention - A downhole tool string for conveying within a wellbore, including an engagement device for engaging a downhole feature located within the wellbore, a first actuator for applying a substantially non-vibrating force to the engagement device while the engagement device is engaged with the downhole feature, and a second actuator for applying a vibrating force to the engagement device while the engagement device is engaged with the downhole feature. | 2017-12-28 |
20170370190 | SAFETY PROTECTION APPARATUS FOR PERSONNEL ON OIL DRILLING DERRICKS - A safety apparatus for personnel on an oil drilling rig includes a cylindrical quick disconnect switch having a receptacle and a plunger. The receptacle has an open circuit pair of electrical wires. The plunger is configured to attach to a derrick man. The plunger and the receptacle are configured to mate when the plunger is inserted into the receptacle and to remain frictionally mated until pulled apart. The mating results in closing the circuit between the pair of electrical wires. | 2017-12-28 |
20170370191 | Method of Creating and Executing a Plan - A plan structure and its applications in the upstream oil and gas industry are disclosed. The plan defines logical, sequential and conditional interrelationships between events in the plan, so that a controller can carry out the plan in a flexible and time-independent manner to complete the sequenced events. The definition of the logical, sequential and conditional interdependencies permits flexibility in how the controller uses the time and resources available to it so that the plan directs the controller in a non-prescriptive manner, allowing greater flexibility in plan execution and reducing the necessity for re-planning to occur when changes in the world or environment in which the controller executes the plan are detected. | 2017-12-28 |
20170370192 | DESIGN AND MANUFACTURING METHOD OF RIB SUPPORT FOR SCREEN/FILTER CARTRIDGE - A method of forming a screen assembly includes arranging a first end portion of each of a plurality of rib members into a rib alignment jig, positioning a sleeve about the rib alignment jig with an inner surface of the sleeve abutting the first end portion of each of the plurality of rib members, and resistance welding the sleeve to the first end portion of each of the plurality of rib members. | 2017-12-28 |
20170370193 | SYSTEM FOR DETERMINING FORMATION STRESSES USING DRILL CUTTINGS - Utilizing multiple rock cores samples obtained while drilling a well to determine the mechanical properties of the rock constituting the wellbore and formation zones within the wellbore. A geomechanical model is created from the samples by nanoindentation testing to provide the raw data from which the geomechanical model is then created. | 2017-12-28 |
20170370194 | Selectable Switch to Set a Downhole Tool - A perforating gun includes a carrier, an explosive charge positioned within the carrier, a detonator positioned within the carrier, and a switch positioned within the carrier. The detonator detonates the explosive charge when the detonator receives power. The switch actuates between at least a first position and a second position. The switch transmits power to the detonator when the switch is in the first position, and the switch transmits power to a pyrotechnic device when the switch is in the second position. The pyrotechnic device detonates or deflagrates when the pyrotechnic device receives power. | 2017-12-28 |
20170370195 | DOWNHOLE OIL WELL JET PUMP DEVICE WITH MEMORY PRODUCTION LOGGING TOOL AND RELATED METHODS OF USE - A downhole assembly in a wellbore includes a production logging tool disposed in the wellbore and a jet pump device set in a bottom hole assembly uphole from the production logging tool. The jet pump has a central axis, and includes one or more internal components that are radially offset to allow a slickline to pass through the jet pump device. The slickline is configured to actuate the production logging tool. While the jet pump device is operating to produce fluids, the production logging tool is further reciprocated within the wellbore on the slickline to obtain measurements at various locations. | 2017-12-28 |
20170370196 | SYSTEM FOR INJECTING FLUE GAS TO A SUBTERRANEAN FORMATION | 2017-12-28 |
20170370197 | Hydraulic Fracturing In Kerogen-Rich Unconventional Formations - The subject matter of this specification can be embodied in, among other things, a method for treating a geologic formation that includes providing a hydraulic fracture model, providing a first value representative of a volume of kerogen breaker in a fracturing fluid, determining a discrete fracture network (DFN) based on the hydraulic fracture model and the first value, determining a geomechanical model based on the DFN and a reservoir model based on the DFN, determining a hydrocarbon production volume based on the geomechanical model and the reservoir model, adjusting the first value based on the hydrocarbon production volume, and adjusting a volume of kerogen breaker in the fracturing fluid to a hydrocarbon reservoir based on the adjusted first value. | 2017-12-28 |
20170370198 | WELL STIMULATION TOOL COMPRISING AN ARTICULATED LINK - An electrical tool for well stimulation includes a first electrode and a second electrode. The second electrode being at the level of a first segment and a second segment of the tool. A peripheral electrode insulated electrically from the first electrode. The first segment and the second segment are linked by an articulated link inside which is arranged a coaxial cable running from the first segment to the second segment. The coaxial cable includes an electrically conducting outer envelope insulated electrically from an electrically conducting central core. The tool includes a first electrical contact between the central core of the coaxial cable and the first electrode, and a second electrical contact between the outer envelope of the coaxial cable and the second electrode. | 2017-12-28 |
20170370199 | HYDRAULIC FRACTURING SYSTEM, APPARATUS, AND METHOD - An apparatus according to which a subterranean formation in which a wellbore extends is hydraulically fractured, the apparatus comprising first and second manifolds, the first manifold including first and second flow lines adapted to be in fluid communication with first and second pumps, respectively, the first pump being adapted to pressurize fluid received from the first flow line, and the second pump being adapted to pressurize fluid received from the second flow line, and the second manifold including a third flow line adapted to convey pressurized fluid from the first and second pumps to the wellbore to hydraulically fracture the subterranean formation in which the wellbore extends. The apparatus is adapted to be connected to another apparatus used to hydraulically fracture the subterranean formation in which the wellbore extends by moving one, or both, of the first and second flow lines relative to the third flow line. | 2017-12-28 |
20170370200 | BUBBLE ENHANCED DOWNHOLE OIL WATER SEPARATION - Use of a bubble-generating mechanism in a production environment is described, The bubble generating mechanism may be used to facilitate the separation of a target fluid from a non-target fluid in the production environment, such as by creating a gradient of the fluids or creating separate and distinct zones of the fluids to be separated. The target fluid can then be preferentially recovered from the production environment based on the gradient or distinct zones. | 2017-12-28 |
20170370201 | RECOVERABLE MODULE FOR SUBSEA ENVIRONMENTS AND USES THEREOF - A recoverable module is configured for subsea environments, and is suitable for use in the processing of fluids linked to the oil industry, and subsea fluid separation equipment or equipment involving any process performed through liners. The recoverable module for subsea environments includes a separating vessel provided with an inlet and two underflow and overflow or tailing outlets, in addition to a cover which has a set of removable liners fastened to its interior. | 2017-12-28 |
20170370202 | Downhole Tools With Power Utilization Apparatus During Flow-Off State - A drilling assembly for use in drilling of a wellbore is disclosed that in one non-limiting embodiment includes a device that detects a flow-off state, a power generator that generates electrical energy in response to a fluid flowing through the drilling assembly during the flow-off state, and a circuit that utilizes such power to perform one or more selected operations in response to the detection of the flow-off state, including, but not limited to, storing data in a memory; shutting certain devices in the drilling assembly and parking a device in a desired position. | 2017-12-28 |
20170370203 | Stick-Slip Reduction Using Combined Torsional and Axial Control - The aspects described herein assist in mitigating vibrations arising from torsional energy accumulating on a drill string in a wellbore during drilling operations. A first sensor obtains torque measurement data at or near the top drive of the drilling rig. A second sensor may obtain weight on bit information. The controller receives the measured data, combines it with a first gain to obtain a first output value and a second gain to obtain a second output value. The first output value is provided to the top drive to adjust a speed of operation of the top drive, and the second output value is provided to the axial drive providing motion along a vertical axis of the drilling rig to adjust a speed of the vertical motion. In combination, the adjustments to the top drive and axial drive movements mitigate stick-slip in an automated manner more effectively than either individually. | 2017-12-28 |
20170370204 | DRILL PIPE MONITORING AND LIFETIME PREDICTION THROUGH SIMULATION BASED ON DRILLING INFORMATION - An apparatus for drilling a borehole in an earth formation includes: a plurality of drill pipes configured to be coupled together to form a drill string that is configured to convey an earth formation disintegrating device while progressing into the earth formation; a communication medium disposed on the drill string and configured to communicate a signal; and one or more processors. The one or more processors are configured to: receive drilling information; determine a stress distribution along at least a part of the drill string using the drilling information; determine a cumulative fatigue damage of at least a part of one drill pipe in the drill string using the stress distribution; and write the cumulative fatigue damage of the at least a part of one drill pipe to a memory. | 2017-12-28 |
20170370205 | BASE GAUGE AND MULTIPLE REMOTE SENSORS - A system for monitoring one or more downhole parameters. The system includes a downhole base gauge configured to receive power from a surface power drive and to communicate data with a surface computing device and a plurality of downhole remote sensors coupled to the base gauge in series and configured to generate data indicative of one or more observable parameters. The base gauge is further configured to query one of the remote sensors and, in response to such a query, the remote sensor is configured to transmit data indicative of the observable parameter associated with that sensor to the base gauge. | 2017-12-28 |
20170370206 | METHOD FOR PROVIDING WELL SAFETY CONTROL IN A REMEDIAL ELECTRONIC SUBMERSIBLE PUMP (ESP) APPLICATION - A method for providing well safety control in a remedial electronic submersible pump (ESP) application including a making up an electric submersible pump (ESP) on a conduit with a primary well control capability; running the foregoing through a preexisting SCSSV. | 2017-12-28 |
20170370207 | METHOD AND ARRANGEMENT FOR OPERATING AN EXTRACTION IN A BOREHOLE - A method and an arrangement for operating a process for extracting a fluid in a borehole are optimized. In the case of deep wells, the location of an interface depth in the borehole is detected. A pressure measurement of the pressure at the head of the borehole is made. The pressure in the liquid in the borehole below the interface depth is determined from the measured pressure at the head of the borehole and the detected location of the interface depth. The determination of this pressure is used for regulating the performance of an extracting device for the liquid that is to be extracted. | 2017-12-28 |
20170370208 | DETERMINING DIVERTER EFFECTIVENESS IN A FRACTURE WELLBORE - Systems and methods for using pressure signals to assess effectiveness of a diverter in a stimulation wellbore are disclosed. A pressure signal in an observation wellbore in the subsurface formation may be assessed using a pressure sensor in direct fluid communication with a fluid in the observation wellbore. The fluid in the observation wellbore may be in direct fluid communication with a fracture emanating from the observation wellbore. The pressure signal may include a pressure change that is induced by a fracture being formed from a stimulation wellbore in the subsurface formation. The pressure signal may be a pressure-induced poromechanic signal. The slope in the pressure signal before and after the diverter are provided into the stimulation wellbore may be assessed to determine the effectiveness of the diverter. | 2017-12-28 |
20170370209 | METHOD FOR PREDICTING POST-FRACKING PRESSURE BUILD-UP IN SHALE - During fracking processes, fluid is injected into the injection wells to cause micro-fractures in the shale. Contact between shale and water causes the development of micro-fractures. Given the deep location of the injection wells, the water is under high pressure that can build up over time and could potentially cause tremors. Based upon experiments on Pierre shale, it has been determined that the appearance of micro-fractures in shale begin with the saturation of capillaries, followed by ionic and diffusive transport of water into the shale clays. Using this discovery, a method for predicting the post-fracking pressure build-up in shale is disclosed. | 2017-12-28 |
20170370210 | ONLINE TRACER MONITORING AND TRACER METER - A tracer method for online monitoring of downhole zonal contributions of oil, condensate, gas, or water mass flux of a production flow in a petroleum production well, includes arranging distinct tracer carrier systems, each in different production zones in said well, the distinct tracer carrier systems arranged for releasing unique tracers to a fluid of the production zones, the tracers having affinity after downhole release to separate phases of oil, condensate, gas, or water, using an online tracer monitor, conducting sampling of tracer concentrations for at least one of the tracers in said zonal mass fluxes at a high sampling rate, based on said concentration values, estimating the corresponding zonal tracer fluxes for each delivery data point and using said one or more estimated zonal mass fluxes to control one or more Petro Technical processes. | 2017-12-28 |
20170370211 | Determining Drilling Fluid Loss In A Wellbore - A location of a fracture can be determined in a wellbore. Micro-electro-mechanical (“MEM”) devices of different sizes and shapes can be included in a sweep and injected into a wellbore. A MEM reader can be positioned within a downhole tool for detecting MEM devices in the wellbore after a sweep returns to the surface of the wellbore. The MEM reader can be disposed in the wellbore for measuring the position of the MEM devices remaining in the wellbore. A location, size, and shape of a fracture in the wellbore can be determined based on the position of the MEM devices in the wellbore. | 2017-12-28 |
20170370212 | MEASURING CURRENT FROM AN ELECTRODE USING A NON-LINEAR ELEMENT - An arrangement for generating a resistivity image having a drill bit with cutters configured to be placed within a wellbore, the cutters configured to create further sections of the wellbore upon rotation, the drill bit having an end with threads for engagement, at least one section of drill string connected to the drill bit through a matching set of threads for engagement, a receiver toroid connected to the at least one section of drill string along at least a portion of the drill string, a transmitter toroid connected to the at least one section of drill string and located at least a portion of the drill string away from the receiver toroid, at least one stabilizer connected to the at least one section of drill string, a power source connected to the transmitter toroid and the receiver toroid, an electrode arrangement placed at the drill bit, wherein the electrode arrangement is electrically connected to the drill bit through a non-linear circuit element and a computer arrangement connected to the receiver toroid. | 2017-12-28 |
20170370213 | MICROBIOME BASED SYSTEMS, APPARATUS AND METHODS FOR THE EXPLORATION AND PRODUCTION OF HYDROCARBONS - There are provided methods, systems and processes for the utilization of microbial and related genetic information for use in the exploration, determination, production and recovery of natural resources, including energy sources, and the monitoring, control and analysis of processes and activities. | 2017-12-28 |
20170370214 | Prediction of Fluid Composition and/or Phase Behavior - Apparatus and methods for obtaining first properties of a fluid, such as by estimating a second property of the fluid based on the first properties using a machine learning algorithm, propagating a first uncertainty of the first properties to a second uncertainty of the second property, generating an expected phase envelope of the fluid based on the second property, and generating a deviation phase envelope of the fluid based on the second uncertainty. | 2017-12-28 |
20170370215 | Prediction of Saturation Pressure of Fluid - Apparatus and methods for obtaining a data response of a fluid as a function of pressure of the fluid, and estimating a dew point pressure of the fluid by detecting an inflection pressure, a downward curve pressure, a characteristic change pressure, and an intersection pressure of the function representative of the data response. The estimated dew point pressure of the fluid based on at least one of the inflection pressure, the downward curve pressure, the characteristic change pressure, and the intersection pressure. | 2017-12-28 |
20170370216 | MULTI-PROBE RESERVOIR SAMPLING DEVICE - A tool insertable into a wellbore for sampling formation fluids includes a body, and sample probe assemblies that project radially outward from the body and into sampling contact with the wellbore wall. Packers are provided on the outer terminal ends of the sample probe assemblies and which are urged against the wellbore wall. Actuator driven linkage assemblies selectively deploy and retract the packers from and back into the body. The sample probe assemblies are disposed at substantially the same axial location on the body, and are angularly spaced about an axis of the body. Each sample probe assembly is independently actuated, so that a discrete azimuthal portion can be sampled, and each has a dedicated sample container for storing sampled formation fluid. | 2017-12-28 |
20170370217 | PROCESS AND SYSTEM FOR IMPROVED RECLAMATION OF MINED LANDS - A process and associated system for the improved reclamation of disturbed lands (e.g., mined lands) is disclosed. In particular, the system including a dewatering cyclone, a screw classifier, and a dewatering apparatus (e.g. a dewatering belt) arranged in series to enable rapid and cost effective dewatering of slurries containing dilute clay and sand tailings to create an improved engineered reclamation material (ERM). The ERM formed by the controlled combining of dewatered sand tailings with dilute clay slurry and with a flocculant and overburden. The ratio of clay:sand:overburden of the ERM may be achieved by balancing the solid content (Cw) and water content (1-Cw) materials of the clay slurry, sand tailings and overburden. In some embodiments, the system may include at least one additional component, such as, for example, static screen(s), centrifuge(s), vibrating screens, drum screens, belt screens, belt filters, and/or other liquid-solid separation devices. | 2017-12-28 |
20170370218 | Piston Type Axial Expander - The invention relates to a piston type axial expander ( | 2017-12-28 |
20170370219 | SCROLL FLUID MACHINE - One of a pair of a fixed scroll and an orbiting scroll is the scroll including a step portion provided only at a predetermined position along a spiral direction on a blade bottom surface of a spiral wrap, and the other one of the scrolls is the scroll including a step portion provided only at a predetermined position along a spiral direction on a blade tip surface of a spiral wrap. A blade bottom surface of an end plate of the fixed scroll is set as a reference surface for setting a chip gap between both the scrolls. When a wrap height of the spiral wrap of the orbiting scroll is represented by (L) (Lo, Li) and a wrap height of the spiral wrap of the fixed scroll is represented by (lo, li), L (Lo, Li)>1 (lo, li) is satisfied. | 2017-12-28 |
20170370220 | CUSTOMIZED BLEND LIMIT FOR GAS TURBINE ENGINE AIRFOILS - A method of developing a suggested blend repair to an airfoil includes the steps of: (a) storing history with regard to a particular airfoil in a particular engine; (b) taking information with regard to new damage to the particular airfoil; (c) reaching an initial blend recommendation based upon step (b); (d) assessing whether the initial blend recommendation of step (c) would be appropriate to repair the new damage based upon a consideration of steps (a)-(c); and (e) reporting a final blend recommendation. An airfoil repair recommendation system is also disclosed. | 2017-12-28 |
20170370221 | METHODS FOR REPAIRING A DAMAGED COMPONENT OF AN ENGINE - Methods for repairing a component having a damaged region are provided. The method can include removing the damaged portion from the component to form an intermediate component, wherein the damaged portion has an original geometry; and applying using additive manufacturing a repaired portion onto the intermediate component to form a repaired component. The repaired portion can have a repaired geometry that includes at least one film hole absent in the original geometry, with the film holes being fluidly connected to a cooling supply of the repaired component. | 2017-12-28 |
20170370222 | METHODS FOR REPAIRING AIRFOIL TRAILING EDGES TO INCLUDE EJECTION SLOTS THEREIN - Methods for repairing a trailing edge of an airfoil are provided. The method can include removing a portion of the trailing edge of the airfoil to form an intermediate component, and then applying using additive manufacturing a replacement portion on the intermediate component to form a repaired airfoil. The replacement portion defines at least one trailing edge ejection slot. | 2017-12-28 |
20170370223 | BLADE SHIELD REMOVAL AND REPLACEMENT - Aspects of the disclosure are directed to milling a nose of a first shield of a blade to leave at least one strip of the first shield coupled to a blade body, subsequent to the milling, applying a cryogenic technique to the blade to weaken a bond between the first shield and the blade body, and subsequent to the applying of the cryogenic technique, removing the at least one strip of the first shield from the blade body. | 2017-12-28 |
20170370224 | GAS TURBINE ENGINE HAVING A TURBINE ROTOR WITH TORQUE TRANSFER AND BALANCE FEATURES - A rotor disc assembly includes a rotor disc and a minidisc. The rotor disc has a first extension member, a first finger, and a second finger. The first extension member axially extends from a disc body disposed about an axis. The first finger extends axially from the first extension member. The second finger is circumferentially spaced apart from the first finger. The second finger extends axially from the first extension member. Each of the first finger and the second finger has a first portion and a second portion that extends radially from a distal end of the first portion. The minidisc is operatively connected to the rotor disc. The minidisc has an interlocking finger that radially extends from a minidisc body and is disposed between the first finger and the second finger. The interlocking finger, the first portion, and second portion define a ring groove. | 2017-12-28 |
20170370225 | TURBOCHARGER - Provided is a turbocharger with further improved thermal efficiency. The turbocharger includes a heat shielding plate disposed between a center housing and a turbine housing. The center housing rotatably and pivotally supports a rotating shaft that connects a turbine impeller and a compressor impeller, and the turbine housing houses the turbine impeller. The turbocharger includes: a first flange portion; a second flange portion formed corresponding to the first flange portion; a clamp member combining the first flange portion and the second flange portion and fixing the mutual positional relationship; and a heat insulating ring interposed between an end surface, which is a heat shielding plate fixing portion that fixes the heat shielding plate, and the heat shielding plate on an inner peripheral side with respect to the first flange portion and the second flange portion. | 2017-12-28 |
20170370226 | MINI-DISK FOR GAS TURBINE ENGINE - Mini-disks of gas turbine engines are provided having an axially extending portion extending axially with respect to an axis of the engine, the axially extending portion configured to engage with a hub arm of a compressor of the engine, a radially extending portion extends radially with respect to the axis, the radially extending portion configured to engage with an attachment of a turbine disk of the gas turbine engine, an intermediate portion extending between the axially extending portion and the radially extending portion, and at least one mini-disk connector configured to engage with a portion of the turbine disk of the gas turbine engine to prevent radial movement of the mini-disk during operation. | 2017-12-28 |
20170370227 | Lifting Foil - A lifting foil having a configuration with a leading course and trailing course which is rotated about an axis of rotation into a fluid. | 2017-12-28 |
20170370228 | Method and Apparatus to Enhance Laminar Flow for Gas Turbine Engine Components - A gas turbine engine component has a component body configured to be positioned within a flow path of a gas turbine engine having an external pressure, and wherein the component body includes at least one internal cavity having an internal pressure. At least one inlet opening is formed in an outer surface of the component body to direct hot exhaust gas flow into the at least one internal cavity, and there is at least one outlet from the internal cavity. The internal pressure is less than an inlet external pressure at the inlet opening and the internal pressure is greater than an outlet external pressure at the outlet opening to controllably ingest hot exhaust gas via the inlet opening and expel the hot exhaust gas via the outlet opening to maintain a laminar boundary layer along the outer surface of the component body. | 2017-12-28 |
20170370229 | AIRFOIL WITH CAST FEATURES AND METHOD OF MANUFACTURE - An apparatus and method for forming a film hole in an outer wall of an airfoil. The film hole includes a blind opening adjacent the interior of the airfoil and a hole adjacent the exterior of the airfoil. The blind opening fluidly couples to the hole to form the film hole for providing a volume of fluid as a surface cooling film along the exterior of the outer wall. | 2017-12-28 |
20170370230 | BLADE PLATFORM COOLING IN A GAS TURBINE - A blade for a rotor of a gas turbine has: a root, a platform having a lower surface and an upper surface opposite to the lower surface, a hollow aerofoil, an inner cooling passage inside the hollow aerofoil for channelling a first cooling medium to a first plurality of outlet cooling holes on an external surface of the hollow aerofoil, a channel, separated from the first cooling circuit, extending through the platform for channelling a second cooling medium from at least one opening of the channel to a second plurality of outlet cooling holes provided on the upper surface of the platform. The at least one opening of the channel is provided on the lower surface of the platform in order to receive in operation the second cooling medium from an inner cavity of the rotor. | 2017-12-28 |
20170370231 | TURBINE AIRFOIL COOLING SYSTEM WITH INTEGRATED AIRFOIL AND PLATFORM COOLING SYSTEM - A cooling system ( | 2017-12-28 |
20170370232 | TURBINE AIRFOIL COOLING SYSTEM WITH CHORDWISE EXTENDING SQUEALER TIP COOLING CHANNEL - An internal cooling system ( | 2017-12-28 |
20170370233 | ENHANCED DURABILITY NICKEL ABRASION STRIP - An erosion strip to protect a leading edge surface is provided including an outer layer comprising a wear-resistant material. An elastomer is affixed to an interior surface of the outer layer. An adhesive layer is shaped to adhere the leading edge surface to the elastomer such that the elastomer and adhesive layers are between the outer layer and the leading edge surface. The elastomer is configured to at least partially isolate strain at the outer layer from strain at the adhesive layer and the leading edge surface. | 2017-12-28 |
20170370234 | BLADE OR GUIDE VANE WITH RAISED AREAS - The invention relates to a blade or vane, particularly of a turbine stage of a gas turbine, in particular of an aircraft gas turbine, having a blade or vane root and a blade or vane element joined to the blade or vane root, wherein the blade or vane element has a pressure side and a suction side, and wherein the blade or vane root has at least one raised region on its radial outer side facing the blade or vane element. It is proposed according to the invention that the blade or vane has a first raised region on the pressure side and a second raised region on the suction side, wherein the highest point of the first raised region is disposed essentially directly adjacent to the pressure side, and the highest point of the second raised region is disposed essentially directly adjacent to the suction side. | 2017-12-28 |
20170370235 | TRANSITION PIECE, COMBUSTOR PROVIDED WITH SAME, AND GAS TURBINE PROVIDED WITH COMBUSTOR - A plurality of cooling passages extending in an axial direction are formed in a transition piece so as to be aligned in a circumferential direction and the axial direction. One or more downstream side passages are formed in a downstream side region (Rd) within one circumferential region. One or more upstream side passages are formed in an upstream side region Ru within the circumferential region. The total cross-sectional area per unit circumferential length of the one or more downstream side passages is larger than the total cross-sectional area per unit circumferential length of the one or more upstream side passages. | 2017-12-28 |
20170370236 | BRUSH SEAL SYSTEM FOR SEALING A CLEARANCE BETWEEN COMPONENTS OF A TURBO ENGINE THAT ARE MOVABLE IN RELATION TO ONE ANOTHER - A brush seal system for sealing a clearance between components of a turbo engine that are movable in relation to one another, in particular of a thermal gas turbine, is disclosed. The brush seal system includes a brush seal housing, which accommodates at least one brush head of a brush seal, where the brush seal housing includes a first component having a cover plate section and a second component having a support plate section. The first component includes an axial flange forming a fish mouth seal on an end opposite the cover plate section. A thermal gas turbine having such a brush seal system is also disclosed. | 2017-12-28 |
20170370237 | TURBINE - A seal device of a turbine includes: at least one step surface disposed on a radially outer surface of a rotor blade facing a first radial-directional gap or on an outer peripheral surface of a rotor facing a second radial-directional gap, the at least one step surface facing upstream in a flow direction of a fluid and dividing the radially outer surface of the rotor blade or the outer peripheral surface of the rotor into at least two sections in an axial direction of the rotor; at least two seal fins protruding toward the at least two sections, respectively, from a surrounding member or the stationary vane, and facing the at least two sections via a seal gap, respectively, the at least two seal fins forming a cavity which extends over the at least one step surface in the axial direction of the rotor between each other. | 2017-12-28 |
20170370238 | THICKENED RADIALLY OUTER ANNULAR PORTION OF A SEALING FIN | 2017-12-28 |
20170370239 | TURBINE SYSTEMS WITH SEALING COMPONENTS - A turbine system including a sealing component is presented. The sealing component includes a ceramic material. The ceramic material includes grains having an average grain size of less than 10 microns. A turbine shroud assembly including the sealing component is also presented. | 2017-12-28 |
20170370240 | SPLIT LINE FLOW PATH SEALS - A gas turbine engine assembly adapted to separate a high pressure zone from a low pressure zone includes a seal assembly configured to block gasses from passing through the interface of two adjacent components. The seal assembly includes a rod. | 2017-12-28 |
20170370241 | TURBINE SHROUD WITH ABRADABLE LAYER HAVING DIMPLED FORWARD ZONE - Turbine and compressor casing abradable components for turbine engines include abradable surfaces with a zonal system of forward (zone A) and rear or aft sections (zone B) surface features. The zone A surface profile comprises an array pattern of non-directional depression dimples, or upwardly projecting dimples, or both, in the abradable surface. The dimpled forward zone A surface features reduce surface solidity in a controlled manner, to help increase abradability during blade tip rubbing incidents, yet they provide sufficient material to resist incoming hot working fluid erosion of the abradable surface. In addition, the dimples provide generic forward section aerodynamic profiling to the abradable surface, compatible with different blade airfoil-camber profiles. The aft zone B surface features comprise an array pattern of ridges and grooves. | 2017-12-28 |
20170370242 | TIP CLEARANCE CONTROL SYSTEM - A gas turbine engine is disclosed having a tip clearance control system. The tip clearance control system has a cabin blower system, a casing arranged in use about a rotor of a gas turbine engine and a fluid delivery passage. The cabin blower system having a cabin blower compressor arranged in use to compress fluid used in a cabin of an aircraft and to compress fluid conducted via the fluid delivery passage into heat exchange with the casing. | 2017-12-28 |
20170370243 | Turbine Engine and Stator Vane Pitch Adjustment System Therefor - A turbine engine is provided. The turbine engine includes a plurality of first stator vanes, a plurality of second stator vanes, and a pitch adjustment system coupled to the first stator vanes and the second stator vanes. The pitch adjustment system includes a pivot shaft, a first linkage, and a second linkage. The pivot shaft has a first side and a second side opposite the first side. The first linkage is coupled to the first stator vanes on the first side of the pivot shaft. The second linkage coupled to the second stator vanes on the second side of the pivot shaft. | 2017-12-28 |
20170370244 | TURBINE CONTROL DEVICE PROGNOSTICS - Providing wear-related prognostics and diagnostics on a turbine engine includes, while operating a turbine control device, tracking a total device travel distance over time by recurrently: selectively identifying actual device movement based on device position data associated with a displacement sensor monitoring the turbine control device; and accumulating an incremental device travel distance corresponding to the identified actual device movement with the total device travel distance. | 2017-12-28 |
20170370245 | GAS TURBINE ENGINE FRAME ALIGNMENT TOOL - Devices, systems, and methods for alignment of gas turbine engine components including frame components. | 2017-12-28 |
20170370246 | METHOD FOR FORMING A COMPOSITE PART OF A GAS TURBINE ENGINE - A method for forming a composite part of a gas turbine engine. The method includes assembling the composite part of a first composite material and a second composite material. The second composite material defines an outer surface of the composite part, and is selected to be curable at a cure temperature generated by heat from operation of the engine. The first composite material is selected to have an operating temperature limit less than the cure temperature. The method includes placing the composite part within the engine so that, in use, the second composite material is cured by exposure to the heat generated from operation of the engine. The second composite material thermally shields the first composite material from the heat generated from operation of the engine. The method includes operating the engine to cure the second composite material. | 2017-12-28 |
20170370247 | METHOD FOR MANUFACTURING A PREFORM MADE OF WOVEN REINFORCEMENT FIBERS HAVING A VARIABLE CROSS-SECTION - The present disclosure provides a method for manufacturing a preform made of reinforcement fibers woven in a longitudinal direction. The preform is impregnated with resin in order to form an elongated element having a variable transverse cross-section. In one form, the method includes the step of simultaneously including a reduction (or increase) in width and an increase (or reduction) in height. The variable cross-section includes, along the length thereof, a consistent number (c) of continuous warp threads arranged in layers. The method for reducing width includes carrying out a change in weave, adding additional weft threads, and simultaneously drawing the teeth of the longitudinal beater reed closer together so as to increase the number of layers. | 2017-12-28 |
20170370248 | HOUSING FOR A ROTOR OF AN ENGINE - A housing for a rotor of an engine is provided. The housing forms an interior space for accommodating the rotor that is defined by a housing wall and the housing wall (W) circumferentially surrounds the rotor that is accommodated inside the housing. The housing has at least one service opening which is provided in the housing wall for maintenance and/or repair work and through which the interior space is accessible from the outside. The service opening is provided in the area of two facing flange sections of the housing, wherein the service opening is closed by at least one closure part that is received at least partially inside a gap formed between the facing flange sections and fixated therein in a releasable manner. | 2017-12-28 |
20170370249 | TURBINE - A turbine ( | 2017-12-28 |
20170370250 | COMBINED ENERGY SUPPLY SYSTEM OF WIND, PHOTOVOLTAIC, SOLAR THERMAL POWER AND MEDIUM-BASED HEAT STORAGE - Disclosed is a combined energy supply system of wind, photovoltaic, solar thermal power and medium-based heat storage, capable of storing the energy which would have been “abandoned wind” and “abandoned light” temporarily in the form of heat by medium-based energy storage. Heat is released during peaks in the power grid to generate power, which serves the function of adjusting the peaks in the power grid. With the medium-based energy storage, unstable photovoltaic electric energy can be converted into stable heat energy output when a relatively large fluctuation occurs in wind and photovoltaic power generation, and therefore the stable supply of energy sources can be guaranteed efficiently. Furthermore, a second heater can also be used for heating the low-temperature media outputted by a first medium tank ( | 2017-12-28 |
20170370251 | HARMONIC ADSORPTION RECUPERATIVE POWER SYSTEMS AND METHODS - A new power generation thermodynamic cycle is described that eliminates need for bulk liquid condensation and vaporization steps required in conventional ORC power systems. An exemplary harmonic adsorption recuperative power cycle system offers more efficient power generation as compared with conventional ORC systems. A multibed adsorption system is used to provide thermal compression for the cycle. An adsorption compressor contains a sorbent with strong adsorption affinity for the working fluid in the pores while well outside the P-T conditions needed to condense the liquid phase, allowing the adsorption compressor to reduce operating pressure exiting the expander. | 2017-12-28 |
20170370252 | APPARATUS FOR REDUCING WINDAGE LOSS OF STEAM TURBINES - An apparatus for reducing windage loss of steam turbines according to an embodiment of the present disclosure is to reduce or minimize damage to a blade caused by a rise in temperature at an outlet stage of a high-pressure turbine. | 2017-12-28 |
20170370253 | VALVE TIMING CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - Provided are: a rear plate | 2017-12-28 |
20170370254 | VALVE LIFT CONTROL DEVICE WITH CYLINDER DEACTIVATION - Methods and systems are provided for a valve lift control device. In one example, a method may include rotating an adjusting camshaft of the valve lift control device in order to adjust a valve lift of one or more cylinders. | 2017-12-28 |
20170370255 | TANK DEVICE OF AN OIL CIRCUIT OF AN AIRCRAFT ENGINE WITH AN APPLIANCE FOR INTRODUCING OIL - A tank device of an oil circuit of an aircraft engine for stocking oil inside an interior space that is delimited by a wall, having at least one appliance for introducing oil into the interior space. By means of the appliance for introducing oil, the area of the wall that is arranged above a minimal filling level, as it occurs during operation of an aircraft engine, can be impinged with oil. | 2017-12-28 |
20170370256 | BLOW-BY GAS RETURN STRUCTURE - An improved blow-by gas return structure minimizes the occurrence of a drawback caused by freezing at a low temperature by bringing a state where freezing minimally occurs in a blow-bay gas passage such as a pipe disposed outside an engine. The blow-by gas return structure is configured such that a blow-by gas is introduced into an intake manifold through an inner passage formed in a head cover. The blow-by gas return structure includes an outer pipe which connects a blow-by gas outlet of the head cover and a blow-by gas inlet of a main pipe of the intake manifold in a communicable manner, and a temperature elevating mechanism configured to elevate a temperature of the blow-by gas inlet. The temperature elevating mechanism is configured such that a cooling water transfer passage is formed in a portion of the blow-by gas inlet of the main pipe. | 2017-12-28 |
20170370257 | APPARATUS AND METHODS FOR CLEANING AND MAINTENANCE OF DIESEL EXHAUST FILTERS AND DIESEL PARTICULATE MATTER - Apparatus and methods are disclosed for cleaning diesel particulate filters (DPFs) or similar items. Various combinations of features include: a multi-cell cleaning head; contemporaneous/simultaneous cleaning from both directions through the DPF (controlled so that no cell is simultaneously pressured from both ends); rotary or other movement of the heads across a static DPF, or a combination of movements of the DPF and the head(s); controlled positioning of the DPF with respect to the heads; gravity collection of removed ash/debris, separate from internal filtering of air within a cleaning cabinet; and others. | 2017-12-28 |
20170370258 | Exhaust Conduits For Marine Engine Exhaust Systems - An exhaust conduit for a marine exhaust system includes an inlet end portion connectable to an exhaust manifold, an outlet end portion that directs exhaust gases toward an exhaust system outlet, a catalytic converter assembly arranged between the inlet and outlet end portions, and inner and outer tubes. The inner tube directs exhaust gases from the exhaust manifold to the catalytic converter assembly, and the outer tube surrounds the inner tube to define a cooling liquid passage between the inner and outer tubes. A flange is secured to the inner and outer tubes at inlet ends thereof, the flange being connectable to an outlet of the exhaust manifold. The inner tube has a uniform diameter between the flange and the catalytic converter assembly, and is welded to the flange independently of the outer tube. First and second welds join the inner and outer tubes to the flange at radially inner and outer faces, respectively, of a flange rim. | 2017-12-28 |