05th week of 2016 patent applcation highlights part 32 |
Patent application number | Title | Published |
20160032654 | ENCAPSULATED EXPLOSIVES FOR DRILLING WELLBORES - Systems and methods for drilling operations may use encapsulated explosives to complement the performance of downhole cutting tools. An exemplary method may include drilling a wellbore penetrating a subterranean formation with a downhole cutting tool; circulating a drilling fluid in the wellbore, wherein the drilling fluid comprises a base fluid and an encapsulated explosive having an average diameter of about 10 nm to about 20 microns; triggering detonation of the encapsulated explosive; and detonating the encapsulated explosive proximal to a portion of the subterranean formation adjacent the downhole cutting tool. | 2016-02-04 |
20160032655 | EARTH-BORING TOOLS, METHODS OF FORMING EARTH-BORING TOOLS, AND METHODS OF FORMING A BOREHOLE IN A SUBTERRANEAN FORMATION - An earth-boring tool comprises a body having a face at a leading end thereof, blades extending from the body and comprising primary blades and secondary blades, and cutting elements on the blades and arranged in groups each comprising neighboring cutting elements. Some of the groups are disposed only on the primary blades in a first spiral configuration. Others of the groups disposed only on the secondary blades in a second, opposing spiral configuration. Methods of forming an earth-boring tool, and methods of forming a borehole in a subterranean formation are also described. | 2016-02-04 |
20160032656 | FLUTED WING AUGER - An auger has a substantially conical core, which has an axis and a side centered thereabout. From a substantially flat, substantially circular base of the core at a trailing end of the core, the side tapers to form a diameter smaller than that of the base and on the axis at a leading end of the core. The auger includes a shank centered about the axis and fixed to the base for connecting the auger to a collar and includes at least two wings fixed to the core. The base of the core is perpendicular to the axis and is substantially circular. The wings extend radially from the base and along the tapered side of the core to at least the leading end of the core, wherein the wings are configured such that they wind at least partly around the core axis on the tapered side of the core. | 2016-02-04 |
20160032657 | MODIFIED CUTTERS AND A METHOD OF DRILLING WITH MODIFIED CUTTERS - A cutter for a drag bit may include a substrate and an ultrahard layer on an end surface of the substrate. The ultrahard layer may include an exposed surface having at least three depressions extending from an interior of the exposed surface radially outward to a peripheral edge formed between the working surface and a side surface of the ultrahard layer, the at least three depressions separated from each other by at least three raised regions forming an apex of the exposed surface, the at least three raised regions connected to each other proximate the central axis and extending from proximate the central axis to the peripheral edge. Other working surfaces are also included. | 2016-02-04 |
20160032658 | DRILL BIT WITH SELF-ADJUSTING GAGE PADS - A drill bit and a method of drilling a wellbore utilizing the drill bit is disclosed, including: providing a drill bit including a bit body and at least one movable member associated with a lateral extent of the bit body; conveying a drill string into a formation, the drill string having the drill bit at the end thereof; drilling the wellbore using the drill string; selectively extending the at least one moveable member from the lateral extent of the bit body at a first rate; and selectively retracting the at least one moveable member to a retracted position at a second rate that is less than the first rate. | 2016-02-04 |
20160032659 | AN OFFSHORE DRILLING RIG AND A METHOD OF OPERATING THE SAME - An offshore drilling rig comprising a drill deck, at least one work center arranged in the drill deck; a diverter system operatively connectable at least to a riser extending towards the seafloor; a hoisting system adapted for raising or lowering tubular equipment through the work center; wherein the offshore drilling rig comprises a first positioning system configured for positioning at least the work center and/or the diverter system and/or a riser tensioning system selectively at a first horizontal position and a second horizontal position, different from the first horizontal position; and wherein the hoisting system is operable to raise or lower tubular equipment through the work center when said work center is positioned at said first horizontal position. | 2016-02-04 |
20160032660 | PINNED ELECTROMAGNETIC TELEMETRY GAP SUB ASSEMBLY - A gap sub comprises a female member comprising a first and second plurality of apertures, and a male member comprising a first and second plurality of cavities. A plurality of non-conductive pins may be inserted through the second plurality of apertures and the second plurality of cavities, thereby locking the relative positions of the female and male members. A plurality of conductive pins may be inserted through the first plurality of apertures and the first plurality of cavities such that there are no electrical connections between the conductive pins and the male member. A dielectric material may be inserted between the male member and the conductive pins. | 2016-02-04 |
20160032661 | Adjustable Conduit - An apparatus includes a fluid conduit including a plurality of segments having a substantially flexible segment. The substantially flexible segment has substantially concentric inner and outer sidewalls and includes an adjustable pressure device configured to vary an internal annular pressure of the substantially flexible segment to counteract external pressure from a surrounding environment. | 2016-02-04 |
20160032662 | DRILLING RISER ASSEMBLIES - A riser assembly is disclosed comprising: a main tube; two flanges coupled to the main tube, each flange comprising: central lumen configured to be in fluid communication with the main tube; at least one choke/kill hole configured to receive a choke/kill line; at least one booster hole configured to receive a booster line; and a plurality of bolt holes, each bolt hole comprising a tapered portion and a dowel slot, where each bolt hole is configured to receive a nut, a bolt, and a dowel. In certain embodiments, riser strings comprising at least two riser assemblies coupled to each other are disclosed. | 2016-02-04 |
20160032663 | FATIGUE RESISTANT THREAD PROFILE WITH COMBINED CURVE ROUNDING - A threaded connector that includes a pin end having external threads and a box end having internal threads that are complementary to the external threads has a thread profile that defines at least a portion of either or both of the internal threads and the external threads. The thread profile may include a thread root connecting a first flank to a second flank and the thread root may be at least partially defined by a plurality of tangentially interconnected radii. The plurality of radii may include at least a medial radius, a first distal radius on one side of the medial radius, and a second distal radius on the another side of the medial radius. The medial radius may be larger than the first and the second distal radius. Alternatively, the thread profile includes a thread root connecting a first flank to a second flank that is at least partially defined by a plurality of radii, each radius having a different length and each defining a circular arc. | 2016-02-04 |
20160032664 | DRILLING COMPONENT RETENTION SYSTEM AND METHOD - The present disclosure is directed to a system for retention of drilling components of a drilling rig that includes a first drilling component with a first retention feature, a second drilling component with a second retention feature, and a secondary retention device. The first drilling component is coupled to the second drilling component and the secondary retention device engages with the first retention feature of the first drilling component and with the second retention feature of the second drilling component. | 2016-02-04 |
20160032665 | APPARATUS FOR LIFTING AND/OR MOVING OPERATIONS OF DRILLING EQUIPMENT - An apparatus for lifting and/or moving operations of drilling equipment on a deck, the apparatus includes a load-bearing device, a synchronizing device, a synchronizing linkage comprising at least one guide which receives the synchronizing device, and a suspension device comprising at least one lifting arm. The at least one lifting arm comprises a first torque arm and a second torque arm. The first torque arm comprises a first end connected to the suspension device, and a second end connected to the synchronizing linkage so as to provide a first synchronizing link. The second torque arm comprises a first end connected to the synchronizing linkage so as to provide a second synchronizing link, and a second end connected to the load-bearing device. The first torque arm and the second torque arm are respectively further connected via the first synchronizing link and the second synchronizing link to the synchronizing device. | 2016-02-04 |
20160032666 | Hydraulic Draw Works - A hydraulic draw-works comprises several hydraulic cylinders of mixed orientation, such that some hydraulic cylinders actuate upwards and some hydraulic cylinders actuate downwards. These cylinders are connected by a plurality of braces mounted along a guide rail, and the drill head is mounted on a carriage along the guide rail and actuated by the upwards-oriented cylinders. The use of mixed orientation cylinders allows the effective vertical stroke length required to raise and lower the drill head to be halved. In a preferred embodiment, through-rod porting of the downwards-oriented cylinders supplies hydraulic fluid to the remainder through a manifold, and digitally controlled directional valves allow precise control of the drill head. | 2016-02-04 |
20160032667 | HORSESHOE JACK FOR DRILLING, WORK-OVERS AND COMPLETIONS - A jack and push/pull apparatus is provided by attaching to a wellhead an extendable/contractible horseshoe-shaped jack assembly of sufficient diameter to surround and act upon the tubing or casing to be manipulated in the well, the linear action of the assembly being powered between an extended and a retracted position, the assembly having at least one tube-gripping mechanism at the end of the assembly away from the wellhead attachment. Tubing is inserted into the well bore through the assembly and the wellhead, and when injection forces are desired tube-gripping means grip the tubing being injected and the apparatus is powered to a retracted position, forcing the grasped tubing into the well. The operation may be reversed to pull tubing or casing. The assembly can be simply added to the rig while tubing is present on and above the rig's floor. | 2016-02-04 |
20160032668 | VACUUM SHAKER SYSTEMS - The invention relates to improvements in vacuum shakers and more specifically to the integration of multiple shaker units to a common vacuum pump system, to apparatus for controlling the airflow through shaker screens, optimization of slurry transport, and to methods of separating drilling fluid from drill cuttings. | 2016-02-04 |
20160032669 | DRILL STRING CHECK VALVE - Drill string check valve apparatus comprises a tubular body and a flapper valve mounted in the body with a flapper movable between an open position and a closed position. An axially extending valve retainer is also mounted in the body and is translatable from a running position to a drilling position. In the running position the valve retainer extends through the valve to maintain the flapper in the open position. In the drilling position the valve retainer permits the flapper to move to the closed position to prevent flow up through the body. | 2016-02-04 |
20160032670 | Shifting Tool - A downhole shifting tool ( | 2016-02-04 |
20160032671 | FERROUS DISINTEGRABLE POWDER COMPACT, METHOD OF MAKING AND ARTICLE OF SAME - A process for preparing a disintegrable powder compact, the process comprises: combining: a primary particle comprising a ferrous alloy which comprises carbon; and a secondary particle to form a composition; compacting the composition to form a preform; and sintering the preform to form the disintegrable powder compact by forming a matrix from one of the primary particle or the secondary particle; and forming a plurality of dispersed particles from the other of the primary particle or the secondary particle, wherein the dispersed particles are dispersed in the matrix, the disintegrable powder compact is configured to disintegrate in response to contact with a disintegration fluid, and the primary particle and secondary particle have different standard electrode potentials. | 2016-02-04 |
20160032672 | CORE SAMPLE ORIENTATION - A core orientation device ( | 2016-02-04 |
20160032673 | PRESSURE LOCK FOR JARS - Embodiments disclosed herein relate to a jar including the following: a mandrel; an outer housing slidably disposed about the mandrel; a ball stop housing disposed below the outer housing; a lower sub disposed below the ball stop housing; and a ball stop assembly disposed in the ball stop housing. The ball stop assembly includes a ball stop pivotally disposed in the ball stop assembly. | 2016-02-04 |
20160032674 | SYSTEM FOR SETTING AND RETRIEVING A SEAL ASSEMBLY - A system includes a setting tool configured to set a sealing assembly within an annular space between a hanger and a wellhead. The setting tool comprises an outer annular sleeve and an inner annular sleeve disposed radially inward of the outer annular sleeve. The inner annular sleeve includes a flexible finger configured to removably couple the setting tool to the sealing assembly. The setting tool includes a shear pin extending between the outer annular sleeve and the inner annular sleeve. The shear pin is configured to break in response to axial compression of the setting tool to enable the outer annular sleeve to move axially relative to the inner annular sleeve, and the outer annular sleeve is configured to interact with the sealing assembly to set the sealing assembly within the annular space via axial movement of the outer annular sleeve relative to the inner axial sleeve. | 2016-02-04 |
20160032675 | HANGER RUNNING TOOL - A hanger running tool includes a radially outer surface having at least one recess extending circumferentially about at least a portion of a periphery of the hanger running tool. The hanger running tool also includes at least one alignment element disposed within the at least one recess. The at least one alignment element protrudes radially outward from the radially outer surface and is configured to contact a radially inner surface of a wellhead as the hanger running tool moves within the wellhead. In some embodiments, the hanger running tool includes a plurality of recesses each extending circumferentially about a respective portion of the periphery of the hanger running tool, and the recesses of the plurality of recesses are circumferentially separated from one another to enable fluid to flow through at least one axial flow slot of the hanger running tool. | 2016-02-04 |
20160032676 | GATE VALVE ASSEMBLY COMPRISING A SUPPORT MEMBER - A gate valve assembly having a through bore adapted for fluid communication with a well bore and prepared for receiving an elongated member. The gate valve assembly comprises a gate element which is movably arranged in a gate valve housing, wherein the gate element has a gate bore arranged for receiving the elongated member, wherein a cutting tool is arranged in the gate bore first and second seats, wherein at least one of the first or second seat is arranged to provide sealing contact with a sealing surface of the gate element. A support member arranged with an opening encompassing the through bore and an expanded opening portion which is open to the through bore in the axial direction of the through bore, wherein a reduced section of the support member defines the expanded opening portion, and the opening has a decreasing radius along the reduced section in the axial direction of the support member toward a contact surface area arranged at an end portion of the support member adjacent the cutting tool, wherein the radius of the opening corresponds essentially to the radius of the through bore. The contact surface area is prepared for engagement with the elongated member and provides a counter acting area interacting with the cutting tool when shearing the elongated member. The invention also includes a method. | 2016-02-04 |
20160032677 | GATE VALVE ASSEMBLY COMPRISING A SEALING ASSEMBLY - A gate valve assembly is provided for shearing an elongated member and controlling a fluid flow through a through bore of the gate valve assembly. The through bore is adapted for fluid communication with a well bore and is configured for receiving an elongated member. The gate valve assembly comprises at least one gate element movably arranged in a direction transverse to the through bore, wherein the gate element is provided with a cutting portion for shearing the elongated member in the through bore. The gate valve assembly further comprises first and second seal seats which are arranged for sealing with the at least one gate element. Further, a seal assembly is provided with at least one sealing surface for sealing with at least one of the first and second seal seats. The seal assembly has activation means for providing an additional sealing force in the engagement between the at least one sealing surface of the seal assembly and at least one of the first and second seal seats. The seal assembly is arranged in a portion of the gate element which is located outside the through bore in an open position of the gate element. The seal assembly is displaceable in the transverse direction into a sealing position when the gate element is in a closed position, wherein the sealing assembly has an activation mode in which the sealing activation means provides additional sealing force to the engagement between the at least one sealing surface of the seal assembly and at least one of the first and second seal seats. The invention also concerns a method for shearing an elongated member arranged in a through bore of a gate valve arrangement and closing the through bore. | 2016-02-04 |
20160032678 | ROTATING AND RECIPROCATING SWIVEL APPARATUS AND METHOD - What is provided is a method and apparatus wherein a swivel can be detachably connected to an annular blowout preventer thereby separating the drilling fluid or mud into upper and lower sections and allowing the fluid to be displaced in two stages, such as while the drill string is being rotated and/or reciprocated. In one embodiment the sleeve or housing can be rotatably and sealably connected to a mandrel. The swivel can be incorporated into a drill or well string and enabling string sections both above and below the sleeve to be rotated in relation to the sleeve. In one embodiment the drill or well string does not move in a longitudinal direction relative to the swivel. In one embodiment, the drill or well string does move longitudinally relative to the sleeve or housing of the swivel. | 2016-02-04 |
20160032679 | MULTI-BARRIER SEAL SYSTEM - A multi-barrier seal system, including, a first seal assembly configured to provide a first sealing barrier between an auxiliary line and a mineral extraction system, and a second seal assembly configured to provide a second sealing barrier between the auxiliary line and the mineral extraction system, wherein the second seal assembly is configured to shear through the auxiliary line. | 2016-02-04 |
20160032680 | SELF-BOOSTING EXPANDABLE SEAL WITH CANTILEVERED SEAL ARM - A downhole seal assembly includes a body extending from an uphole end to a downhole end. The body includes a first sealing surface and an opposing, second sealing surface that is angled relative to the first sealing surface. A first void is formed in the second sealing surface adjacent the uphole end, and a seal is arranged in the first void. A second void is formed in the second sealing surface adjacent the downhole end. One or more passages is formed in the downhole end and fluidically coupled to the second void. The one or more passages is configured and disposed to guide downhole fluids into the second void forcing the first sealing surface against a wellbore. | 2016-02-04 |
20160032681 | HIGH PRESSURE SEAL WITH COMPOSITE ANTI-EXTRUSION MECHANISM - A high pressure closed gland unitized seal assembly for sealing against a connector pin in a box and pin seal used in a sub-sea riser joint assembly. The high pressure closed gland unitized seal assembly includes an elastomeric seal body having an inner diameter end and an outer diameter end formed of an elastomeric material having a first modulus of elasticity. The inner diameter end of the seal body includes two diametrically opposed axially outward base portions and an axially inward sealing portion. Integrated with the elastomeric material at the base portions of the inner diameter end of the seal body are a pair of diametrically opposed anti-extrusion rings having a modulus of elasticity that is higher than the modulus of elasticity of the elastomeric material so as to prevent the extrusion of the elastomeric seal body. The anti-extrusion rings are disposed between the elastomeric seal body and tightly wound coil springs. | 2016-02-04 |
20160032682 | Packer Bridge Plug with Slips - The present invention is to a packer plug that can be tripped into a particular location in a well bore and set using slips rings and packer elements. The plug presents little flow resistance because of its wide inner diameter throat through the mandrel. A ball seat at an upper end allows for the sealing of the interior passage. The ball can be flowed upward or dissolved to remove the seal and allow flow through the plug. A slip ring can be used in place of slips to reduce the overall length of the packer plug. | 2016-02-04 |
20160032683 | DOWNHOLE COMMUNICATION AND CONTROL SYSTEM AND METHOD FOR NON-SEQUENTIAL DOWNHOLE OPERATIONS - A downhole communication and control system configured for use in a non-sequential order of treating a borehole, the system includes a string having at least three ports including first, second, and third longitudinally spaced ports arranged sequentially in a downhole to uphole manner in the string; at least three frac sleeve systems including first, second, and third frac sleeve systems arranged sequentially in a downhole to uphole manner in the string and arranged to open and close the first, second, and third ports, respectively, each frac sleeve system having self-powered, electronically triggered first and second sleeves; and, communication signals to trigger the first, second, and third frac sleeve systems into moving the first and second sleeves to open and close the ports. Also included is a method of completing downhole operations in a non-sequential order. | 2016-02-04 |
20160032684 | Downhole Tool With Counting Mechanism - An object counting mechanism for a downhole tool which includes a tool housing having a central passage and a seat configured to selectively catch an object passing through the central passage. An activating mechanism is configured to move the seat from a first state allowing the object to pass through the seat into a second state for catching the object on the seat. A rotating sleeve causes the activating mechanism to move the seat into the second state after a given degree of rotation of the rotating sleeve. At least one contact surface is spaced apart from the seat and positioned to engage the object passing through the central passage, thereby effecting a limited rotation of the rotating sleeve at each passage of an object. | 2016-02-04 |
20160032685 | Dual Isolation Well Assembly - A working string is used to actuate a first valve of a completion string in a well to seal a float shoe of the completion string from a remainder of the completion string. The working string is also used to actuate a second valve of the completion string to seal the center bore of the completion string. Actuating the first valve and the second valve is performed without withdrawing the working string from the well. In certain instances, the working string is a washpipe that includes a shifting profile for each valve. | 2016-02-04 |
20160032686 | Downhole Arrangement - A downhole arrangement ( | 2016-02-04 |
20160032687 | Resettable Remote and Manual Actuated Well Tool - A well tool has a housing and an actuator sleeve in the housing. An actuator in the housing includes a spring and an internal shifting tool engaging profile. The actuator is responsive, independent of well annulus pressure, to a remote hydraulic signal in a central bore of the well tool to change from an unactuated state to an actuated state to shift the actuator sleeve from a first position to a second position. The actuator is responsive to reset to the unactuated state using the internal shifting tool engaging profile. | 2016-02-04 |
20160032688 | FERROFLUID TOOL FOR INFLUENCING ELECTRICALLY CONDUCTIVE PATHS IN A WELLBORE - A tool for influencing electrically conductive paths using ferrofluids in a downhole system is provided. The downhole system can include a tool body, a source of ferrofluid, and a magnet. The magnet can provide a magnetic field that influences an electrically conductive path within an annulus between the tool body and a wellbore formation by arranging the ferrofluid from the source in the annulus. | 2016-02-04 |
20160032689 | DRILL ROD GUARD AND SYSTEMS AND METHODS OF USING SAME - A drill rod guard having a feed shaft assembly that supports a feed shell for receiving a drill rod. First and second shafts are respectively pivotally coupled to opposed sides of the feed shaft assembly. A plurality of guard elements are operatively coupled to the first and second shafts, and opposed guard elements are selectively engageable with one another. Upon engagement between the opposed guard elements, the guard elements cooperate with the feed shell and/or the feed shaft assembly to substantially enclose the portion of the drill rod within the feed shell to thereby prevent contact with the drill rod. | 2016-02-04 |
20160032690 | Actuating Apparatus - A downhole actuating apparatus ( | 2016-02-04 |
20160032691 | PRESSURE EXCHANGE SYSTEM WITH MOTOR SYSTEM - A system including a rotary isobaric pressure exchanger (IPX) configured to exchange pressures between a first fluid and a second fluid, and a motor system coupled to the hydraulic energy transfer system and configured to power the hydraulic energy transfer system. | 2016-02-04 |
20160032692 | INDUCED CONTROL EXCITATION FOR ENHANCED RESERVOIR FLOW CHARACTERIZATION - A system, method and a computer program product may be provided for characterizing natural resource subsurface attributes and compositions. The system prescribes alterations of one or more controls of a natural resource. The system applies the altered controls to the natural resource wells. The system collects measurement data of the natural resource wells that responds to the applied altered controls. The system determines, based on the collected measurement data, the natural resource subsurface attributes and compositions that pertain to the natural resource. | 2016-02-04 |
20160032693 | PRODUCTION FILTERING SYSTEM AND METHODS - Systems and methods for filtering a production stream downhole that involves creating a basepipe annulus and a casing annulus and forcing the production stream through a filter between the casing annulus and the basepipe annulus before combining the production stream with a previously filtered production stream. Other systems and methods are disclosed. | 2016-02-04 |
20160032694 | CONTROLLING FLOW IN A WELLBORE - Techniques for controlling flow of a wellbore fluid include positioning a plurality of inflow control assemblies on a pipe joint in a wellbore, the pipe joint including a proximal end engageable with a first downhole tool and a distal end engageable with a second downhole tool; receiving a flow of a wellbore fluid from a subterranean zone to an inlet of at least one inflow control device (ICD), the at least one ICD mounted in each of the plurality of inflow control assemblies, the flow at a velocity that is less than the transport velocity of fines in the wellbore fluid; and transmitting the flow of the wellbore fluid to the pipe joint from the ICDs to an interior of the pipe joint. | 2016-02-04 |
20160032695 | TELEMETRY OPERATED EXPANDABLE LINER SYSTEM - A deployment assembly for expanding a liner string in a wellbore includes: a tubular mandrel having a bore therethrough; an expander linked to the mandrel and operable between an extended position and a retracted position; an extension tool disposed along the mandrel and operable to extend the expander; and a retraction tool disposed along the mandrel. The retraction tool has: an upper piston in fluid communication with the mandrel bore and operable to retract the expander; a lower piston in fluid communication with the mandrel bore and operable to balance the upper piston; a valve disposed between the pistons for isolating the lower piston from the upper piston in a closed position; and an electronics package linked to the valve for opening and closing the valve in response to receiving a command signal. | 2016-02-04 |
20160032696 | Metal Patch System - An apparatus, method and system repair wellbore casing. In one embodiment, an expandable casing patch system for a wellbore includes a casing patch deployment apparatus. The casing patch deployment apparatus includes a shaft having a frontward end and a rearward end as well as a thruster and a main expansion swage disposed on the shaft. The casing patch deployment apparatus also includes an anchor disposed on the shaft. The anchor is disposed frontward of the main expansion swage. In addition, the casing patch deployment apparatus includes a front expansion swage disposed frontward of the anchor and attached to the shaft. The front expansion swage has a diameter less than a diameter of the main expansion swage. The expandable casing patch system also includes an expandable casing patch. | 2016-02-04 |
20160032697 | Indexing Well Bore Tool and Method for Using Indexed Well Bore Tools - Downhole tools that have a housing and an actuation mechanism. The actuation mechanism is adapted to index in response to one or more balls being deployed into said tool and thereafter to actuate in response to another said ball being deployed into said tool. The indexing balls and the actuation ball are substantially identical. The actuation mechanism may comprise a member adapted for indexing from an initial position sequentially through one or more intermediate positions to a terminal position where the indexed member is mounted in an annular space between an outer wall and an inner wall. The tool may comprise a central conduit which is substantially uniform internal diameter substantially free of profiles. Methods are provided that include deploying an ancillary tool through the tool which has not been actuated or drilled out. | 2016-02-04 |
20160032698 | Method of Operating a Well Using a Pump Assembly with a Variable-Frequency Drive - The method and device of exploitation of well by pumping unit with variable-frequency drive involes periodic repetition of the cycles including pumpdown, search for frequency when delivery stops and accumulation and at the same time to ensure such extraction of fluid from well which is equal to its inflow it is necessary to choose unit with higher capacity in comparison with inflow of fluid from formation into well and during the cycles the pumpdown-accumulation ratio is corrected depending on the results of the previous cycles until the pumpdown-accumulation time ratio stops to change and the torque at which the delivery stops is determined based on the equality of the current torque of the downhole motor shaft and check torque which is pre-determined based on stepwise drop of torque of the downhole motor shaft in the point when delivery stops when supply voltage is decreased. | 2016-02-04 |
20160032699 | TIGHT-SHALE OIL PRODUCTION TOOL - A tight-shale oil production tool includes a combustor operable to generate an aqueous-phase nitric acid, combustion products. | 2016-02-04 |
20160032700 | COMPOSITIONS AND METHODS FOR TREATING SUBTERRANEAN FORMATIONS - Methods for treating subterranean wells in which the producing formation is a carbonate comprise preparing a treatment fluid comprising either: (a) an aqueous solution of a multivalent-cation reacting polymer; (b) a solution comprising a fatty acid and an ethanolamine; (c) an aqueous acidic solution of one or more compounds whose calcium salts are insoluble; or (d) an aqueous solution comprising urea or alkane derivatives thereof or both and polyvinylpyrrolidone (PVP). The treatment fluid is placed in the well such that the solution contacts the carbonate formation at a pressure higher than or equal to the fracturing pressure. The treatment fluid is allowed to react with the carbonate formation, thereby depositing a film onto the formation surface or parts of the formation surface. Then an acid solution is placed in the well such that the acid contacts the carbonate formation at a pressure higher than or equal to the fracturing pressure. | 2016-02-04 |
20160032701 | FLUID END WITH PROTECTED FLOW PASSAGES - Fluid end for high pressure reciprocating pump, in particular for hydraulic fracturing pumps, comprising: a body having a first bore ( | 2016-02-04 |
20160032702 | SYSTEM AND METHOD FOR UTILIZING INTEGRATED PRESSURE EXCHANGE MANIFOLD IN HYDRAULIC FRACTURING - A system includes an integrated manifold system including multiple isobaric pressure exchangers (IPXs) that each includes a low-pressure first fluid inlet, a high-pressure second fluid inlet, a high-pressure first fluid outlet, and a low-pressure second fluid outlet. The integrated manifold system includes a low-pressure first fluid manifold coupled to each of the low-pressure first fluid inlets and configured to provide low-pressure first fluid to each of the low-pressure first fluid inlets, a high-pressure second fluid manifold coupled to each of the high-pressure second fluid inlets and configured to provide high-pressure second fluid to each of the high-pressure second fluid inlets, a high-pressure first fluid manifold coupled to each of the high-pressure first fluid outlets and configured to discharge high-pressure first fluid, and a low-pressure second fluid manifold coupled to each of the low-pressure second fluid outlets and configured to discharge low-pressure second fluid. | 2016-02-04 |
20160032703 | SYSTEM FOR CENTRALIZED MONITORING AND CONTROL OF ELECTRIC POWERED HYDRAULIC FRACTURING FLEET - A system and method are disclosed for centralized monitoring and control of a hydraulic fracturing operation. The system includes an electric powered fracturing fleet and a centralized control unit coupled to the electric powered fracturing fleet. The electric powered fracturing fleet can include a combination of one or more of: electric powered pumps, turbine generators, blenders, sand silos, chemical storage units, conveyor belts, manifold trailers, hydration units, variable frequency drives, switchgear, transformers, and compressors. The centralized control unit can be configured to monitor and/or control one or more operating characteristics of the electric powered fracturing fleet. | 2016-02-04 |
20160032704 | DEEPWATER DRILLING CONDITION BASED MARINE RISER MECHANICAL BEHAVIOR TEST SIMULATION SYSTEM AND TEST METHOD - The present invention discloses a deepwater drilling condition based marine riser mechanical behavior test simulation system. An upper three-component dynamometer, an tipper connecting structure, a marine riser, a lower connecting structure and a lower three-component dynamometer are connected between an upper trailer connecting plate and a lower trailer connecting plate in sequence. The invention further discloses a test method. The present invention has the advantages that the mechanical behavior of the marine riser under deepwater drilling condition and marine environment coupling effect can be simulated comprehensively and accurately, and the apparatus can simulate ocean current environment, apply top tension to the marine riser, simulate circulation of internal drilling fluids at different current rates, simulate rotation of the drill stem at different rotational speeds and apply different drill pressures. | 2016-02-04 |
20160032705 | SYSTEM AND METHOD FOR REMOTELY CONTROLLED SURFACE STEERABLE DRILLING - A system and method for surface steerable drilling are provided. In one example, the system receives feedback information from a drilling rig and calculates an estimated position of a drill bit in a formation based on the feedback information. The system compares the estimated position to a desired position along a planned path of a borehole. The system calculates multiple solutions if the comparison indicates that the estimated position is outside a defined margin of error relative to the desired position. Each solution defines a path from the estimated position to the planned path. The system calculates a cost of each solution and selects one of the solutions based at least partly on the cost. The system produces control information representing the selected solution and outputs the control information for the drilling rig. | 2016-02-04 |
20160032706 | Method to Design Expandable Cement Based upon Specified Downhole Conditions - A method of performing a cementing operation with an expandable cement deployable into a wellbore penetrating a subterranean formation is provided. The method involves determining design parameters of a wellsite, determining at least one estimated eigenstrain of the expandable cement based on the design parameters, selecting the expandable cement based on the estimated eigenstrain, and validating the selected expandable cement by comparing the estimated eigenstrain with the empirical eigenstrain. The design parameters includes a minimum pre-stress of the wellbore sufficient to prevent creation of a microannulus in the wellbore. The estimated eigenstrain is sufficient to generate the determined minimum pre-stress. | 2016-02-04 |
20160032707 | BAND WITH RFID CHIP HOLDER AND IDENTIFYING COMPONENT - An apparatus is adapted to be coupled to a component of a system associated with a wellhead. The apparatus includes a band adapted to be coupled to the component; a buckle coupled to the band and located proximate to a first end of the band; a holder coupled to the band, wherein the holder is positioned, or is adapted to be positioned, proximate to the first end; an electronic identifying device attached to the holder and adapted to identify the component; and an identifying component coupled to the band. The identifying component visually conveys information about at least one of: the electronic identifying device, and the component to which the band is adapted to be coupled. In one embodiment, the system associated with the wellhead is a system for pumping fluid to the wellhead. In one embodiment, the electronic identifying device is, or includes, an RFID chip. | 2016-02-04 |
20160032708 | Sensor Standoff - A downhole tool operable for conveyance within a wellbore extending into a subterranean formation, and for obtaining one or more measurements of the subterranean formation, wherein the downhole tool comprises a sensor, a pressure housing containing the sensor and mounted on an external surface of the downhole tool, and a sliding stabilizer covering the pressure housing. | 2016-02-04 |
20160032709 | SYSTEM AND METHOD FOR PROVIDING A CONTINUOUS WELLBORE SURVEY - Systems and methods are provided for producing a continuous survey of a previously drilled portion of a wellbore. The method includes receiving a plurality of stationary survey measurements taken at a corresponding plurality of locations along the portion of the wellbore. The method further includes receiving at least one continuous survey including a plurality of continuous survey measurements taken between a pair of stationary survey measurements of the plurality of stationary survey measurements. The method further includes combining the plurality of stationary survey measurements and the plurality of continuous survey measurements to produce the continuous survey of the portion of the wellbore. | 2016-02-04 |
20160032710 | TOOL FOR MEASURING WELLBORE GEOMETRY - A downhole tool is disclosed for measuring wellbore geometry. The downhole tool may include a body with a bore extending at least partially therethrough. The body may include a radial recess. An arm may be movably coupled to the body at a first end portion of the arm. The arm may be within the radial recess in a retracted position and be pivotable in a radially-outward direction relative to the body to an expanded position. A measurement device coupled to the body may measure the pivoting motion of the arm. A piston coupled to the body may be movably coupled to a second end portion of the arm, and the piston may respond to changes in hydraulic pressure to pivot the arm between the retracted position and the expanded position. | 2016-02-04 |
20160032711 | Methods and Apparatus for Measuring Downhole Position and Velocity - An apparatus for measuring at least one of downhole position and velocity. The apparatus includes a body. A roller is connected with the body, and a plurality of sensors is connected with the body. The plurality of sensors can acquire roller data and wellbore data. The roller data and wellbore data can be used to determine at least one of the velocity and position of the apparatus. The apparatus can also have an electronic module that is in communication with the plurality of of sensors. | 2016-02-04 |
20160032712 | Magnetic Location Determination in a Wellbore - A magnetic system for determining the location of a wellbore component in a first string relative to a wellbore component in a second string. The system includes a circumferentially distributed array of magnets positioned in the first string that is operable to produce a magnetic field in the wellbore proximate the location of the array of magnets. A magnetic field detector is operably associated with the second string and is operable to detect a magnetic signature of the magnetic field. One of the first and second strings is stationary within the wellbore. The other of the first and second strings is moveable in the wellbore such that the magnetic field detector is moveable relative to the magnetic field and such that when the magnetic field detector identifies the magnetic signature, the location of the array of magnets is correlated with the magnetic field detector. | 2016-02-04 |
20160032713 | A COMPLETION COMPONENT WITH POSITION DETECTION - The present invention relates to a completion component having a circumference for insertion into a well tubular structure, comprising a tubular base part having an axial extension and a thickness and being adapted to be mounted as part of the well tubular structure, and a displaceable part having a thickness and being displaceable in relation to the tubular base part from a first position to a second position, wherein the tubular base part comprises a plurality of first markers and the displaceable part comprises a second marker for determining a position of the displaceable part in relation to the tubular base part, the first and second markers being arranged with a marker distance, wherein the first markers are different in geometrical size or material, or arranged with a varying mutual distance. The present invention also relates to a downhole system and to a method for determining a position of a displaceable part of a completion component according to the present invention in relation to a tubular base part. | 2016-02-04 |
20160032714 | Telemetry System and Method of Operating the Same - Methods and related apparatus pertaining to downhole and surface telemetry, such as a method in which a telemetry system is provided with a communication path formed with an electrically conductive transport medium coupled across a plurality of downhole nodes. Such method includes operating on the communication path with a multi-drop system that provides telemetry to the downhole nodes in a wellbore, including employing modulation in a master-slave arrangement using binary differential phase shift keying or differential quadrature phase shift keying. | 2016-02-04 |
20160032715 | RIG TELEMETRY SYSTEM - A drillstring communications system includes one or more pipe segments, a communication sub coupled to the pipe segment that includes a communication sub antenna, and a leaky feeder antenna in communication with the communication sub antenna. | 2016-02-04 |
20160032716 | Radio Frequency Identification System for Mineral Extraction Equipment - A system including, a first component of a mineral extraction system, and a first radio frequency identification (RFID) module coupled to the first component, wherein the first RFID module comprises first component data relating to the first component, and first location data relating to a first location of the first component. | 2016-02-04 |
20160032717 | LWD Resistivity Imaging Tool with Adjustable Sensor Pads - A logging while drilling tool for measuring a geological formation surrounding a wellbore includes a tool body having one or more sensor pads. Each sensor pad is coupled to the tool body by an extendable coupling that is operable to adjust the radial position of the sensor pad by extending away from or retracting toward the tool body. One or more sensors are mounted to each sensor pads and the sensors are operable to obtain a measurement a property of the formation. The tool also includes a downhole control unit having a transmitter and receiver. The downhole control unit is operable to receive the measurement and transmit the measurement to a surface controller, wherein the transmitted measurement indicates a measurement resolution. | 2016-02-04 |
20160032718 | SOLVENT EXTRACTION AND ANALYSIS OF FORMATION FLUIDS FROM FORMATION SOLIDS AT A WELL SITE - Systems and methods for extracting and analyzing formation fluids from solids circulated out of a subterranean formation are provided. In one embodiment, the methods comprise: providing a sample of formation solids that have been separated from a fluid circulated in at least a portion of a well bore penetrating a portion of a subterranean formation at a well site; performing a solvent extraction on the sample of formation solids using one or more solvents at an elevated pressure at the well site, wherein at least a portion of one or more formation fluids residing in the formation solids is extracted into the one or more solvents to produce an extracted fluid; and analyzing the extracted fluid at the well site to determine the composition of the extracted fluid. | 2016-02-04 |
20160032719 | SYSTEMS AND METHODS FOR OPTICAL FLUID IDENTIFICATION APPROXIMATION AND CALIBRATION - Systems and methods for optical fluid identification approximation and calibration are described herein. One example method includes populating a database with a calculated pseudo optical sensor (CPOS) response of a first optical tool to a first sample fluid. The CPOS response of the first optical tool may be based on a transmittance spectrum of a sample fluid and may comprise a complex calculation using selected components of the first optical tool. A first model may be generated based, at least in part, on the database. The first model may receive as an input an optical sensor response and output a predicted fluid property. A second model may also be generated based, at least in part, on the database. The second model may receive as an input at least one known/measured fluid/environmental property value and may output a predicted pseudo optical sensor response of the first optical tool. | 2016-02-04 |
20160032720 | COLLECTING AND REMOVING CONDENSATE FROM A GAS EXTRACTION SYSTEM - A gas extraction system for gas analysis is provided. The gas extraction system includes the use of a peristaltic pump for moving condensates to a liquid trap assembly. An improved fluid flow is thus provided, which includes delivering condensate from a condensate separator to a peristaltic pump and delivering the condensate from the peristaltic pump to a liquid trap assembly. | 2016-02-04 |
20160032721 | Scattering Detection from Downhole Optical Spectra - Obtaining in-situ, at a first time, first optical spectral data associated with a formation fluid flowing through a downhole formation fluid sampling apparatus, and then obtaining in-situ, at a second time after the first time, second optical spectral data associated with the formation fluid flowing through the downhole formation fluid sampling apparatus. A wavelength-independent scattering intensity within the formation fluid flowing through the downhole formation fluid sampling apparatus is then determined based on the first and second optical spectral data, and a wavelength-dependent scattering intensity within the formation fluid flowing through the downhole formation fluid sampling apparatus is determined based on the first and second optical spectral data. | 2016-02-04 |
20160032722 | CUTTING LINK FOR MINING CHAIN AND MINING PIN RETENTION SYSTEM - An improved cutting link and drive pin retention system for mining chains is disclosed. The cutting link is cast as a single piece instead of multiple parts welded together. The drive pin retention system further decreases the chance that the chain can break due to sheared dowel pins. | 2016-02-04 |
20160032723 | Tool - A tool for mounting a chisel on a chisel holder, having an actuating member, which has a push-off section, wherein the actuating member can be displaced along a displacement direction. It is possible to simplify changing the chisel if the actuating member can be shifted by an actuating unit. The actuating unit has a draw-in section, which is spaced apart from the push-off section and is arranged transversely with respect to the displacement direction of the actuating member. The actuating member can be power-operated bidirectionally in the displacement direction by the actuating unit. | 2016-02-04 |
20160032724 | RIPPING AND SCRAPING CUTTER TOOL ASSEMBLIES, SYSTEMS, AND METHODS FOR A TUNNEL BORING MACHINE - Embodiments of the invention generally relate to tunnel boring machine cutter assemblies, such as ripping and scraping cutter or tool assemblies, (collectively “cutter assemblies”), and related methods of use and manufacturing. The various embodiments of the cutter assemblies described herein may be used in tunnel boring machines (“TBMs”), earth pressure balance machines (“EPBs”), raise drilling systems, large diameter blind drilling systems, and other types of mechanical drilling and excavation systems. | 2016-02-04 |
20160032725 | Methods for Optimized Engine Balancing Based on Flight Data - Methods for balancing rotating machinery, such as gas turbine engines, to minimize vibrations. An optimal engine balance solution is obtained using a hybrid optimization technique based on vibration data from one or more vibration sensors and corresponding influence coefficients which quantify the change in vibration level at the vibration sensors due to a unit increase in unbalance level at unbalance source locations. More specifically, balance weight and angular position are determined based on multiple optimization methods which concurrently process the vibration data, the multiple optimization methods comprising local and global optimization algorithms. | 2016-02-04 |
20160032726 | GAS TURBINE ENGINE AXIAL COMPRESSOR REAR HUB - A gas turbine engine includes an axial high pressure compressor includes a rear hub disposed aft of an aft rotor segment. The rear hub includes an inner surface, an outer surface, and a sealing face, wherein the sealing face is sealingly engaged with the aft rotor segment, and in fluid communication with the cooling channel. The cooling channels are configured to delivery air to contact the inner surface of the rear hub. | 2016-02-04 |
20160032727 | ROTOR BLADE WITH A CONIC SPLINE FILLET AT AN INTERSECTION BETWEEN A PLATFORM AND A NECK - A rotor blade for a turbine engine includes an airfoil that is connected to a base. The base includes a platform, a neck and a fillet. The fillet extends along at least a portion of an intersection between the platform and the neck. The fillet has a radius that substantially continuously changes as the fillet extends from the platform to the neck. | 2016-02-04 |
20160032728 | GAS TURBINE ENGINE AIRFOIL - An airfoil of a turbine engine includes pressure and suction sides that extend in a radial direction from a 0% span position at an inner flow path location to a 100% span position at an airfoil tip. The airfoil has a relationship between a tangential stacking offset and a span position that is at least a third order polynomial curve that includes at least one positive and negative slope. The positive slope leans toward the suction side and the negative slope leans toward the pressure side. An initial slope starts at the 0% span position is either zero or positive. The first critical point is less than 15% span. | 2016-02-04 |
20160032729 | Composite Fan Blade - A composite fan blade for a gas turbine engine is disclosed. The fan blade may include a core being made of a first material and a shell enclosing the core. The shell may be made of a second material and the second material may have less plasticity than the first material. | 2016-02-04 |
20160032730 | OBTUSE ANGLE CHEVRON TRIP STRIP - An airfoil includes a cooling air passage for receiving a cooling air flow. A chevron including a first rib and a second rib extends from a common tip is disposed within the cooling passage for generating a turbulent flow to improve heat transfer. The chevron includes an angle between the first rib and the second rib that is greater than 90 degrees. | 2016-02-04 |
20160032731 | THERMAL BARRIER COATING INSIDE COOLING CHANNELS - A rotor for a gas turbine engine according to an exemplary aspect of the present disclosure includes, among other things, a rotor disk rotatable about an axis and a gas path wall coupled to and radially outward of the rotor disk. The gas path wall bounds a radially inward portion of a gas path. A plurality of rotor spokes are radially intermediate the rotor disk and the gas path wall. The plurality of rotor spokes is circumferentially spaced to define a plurality of cooling channels intermediate the rotor disk and the gas path wall. A thermal barrier coating is disposed on a surface of at least one of the plurality of cooling channels. A method of cooling a rotor assembly is also disclosed. | 2016-02-04 |
20160032732 | GAS TURBINE ENGINE AIRFOIL GEOMETRIES AND CORES FOR MANUFACTURING PROCESS - An airfoil for a gas turbine engine includes a body having leading and trailing edges joined by spaced apart pressure and suction sides to provide an exterior airfoil surface defined by a perimeter wall. An interior wall is arranged interiorly and adjacent to the perimeter wall to provide a cooling passage there between. A cooling passage with first and second portions is tapered and respectively has first and second thicknesses. The first thickness is greater than the second thickness. The second thickness is less than 0.060 inch (1.52 mm). | 2016-02-04 |
20160032733 | OUTER SHROUD WITH GUSSET - A turbine blade comprises an airfoil. An outer shroud at a tip of the airfoil, has a main surface facing the airfoil and forming a first plateau. A gusset or gussets have a periphery raising from the main surface, and a second plateau between the periphery and the airfoil. A gas turbine engine with such turbine blade is also provided. | 2016-02-04 |
20160032734 | FAN FOR A MULTI-FLOW TURBOSHAFT ENGINE, AND TURBOSHAFT ENGINE EQUIPPED WITH SUCH A FAN - The fan comprises a fan disk able to be rotationally driven about a longitudinal axis and provided at the periphery with radial blades each comprising a root slideably engaged in a groove of the disk and, on the outside thereof, a vane, platforms surrounding the disk being interposed between the radial blades. Advantageously, the fan additionally comprises shock-absorbing wedges which are arranged tangentially at the exterior periphery of said disk underneath the platforms and between two roots of adjacent radial blades, each wedge being in tangential contact with the two adjacent blades. | 2016-02-04 |
20160032735 | TRANSIENT LIQUID PHASE BONDED TIP SHROUD - A composite ceramic turbine blade includes a ceramic airfoil portion and a ceramic outer tip shroud portion. The ceramic outer tip shroud portion is joined to the ceramic airfoil portion by a bonding means. In an embodiment, the bonding means comprises partial transient liquid phase bonding. In another embodiment, the airfoil portion is a fiber reinforced ceramic. | 2016-02-04 |
20160032736 | COATING PROCESS AND COATED ARTICLE - A coating process and coated article are provided. The coating process includes providing a turbine component, applying a coating repellant to a predetermined region of the turbine component, and depositing a coating material on the turbine component. The coating repellant directs the coating material away from the predetermined region of the turbine component, to at least partially form a channel. A coating process for a hot gas path turbine component and coated article are also disclosed. | 2016-02-04 |
20160032737 | TURBINE BLADE TIP TREATMENT FOR INDUSTRIAL GAS TURBINES - A method of preventing transfer of metal of a gas turbine rotor blade having a metal tip to a blade outer air seal coating on a gas turbine case includes forming a coating on the metal tip. The coating comprises a bond coat layer on the metal tip and a ceramic filled metallic layer having a ceramic component in a matrix of a metal MCr, MCrAl, MCrAlY or a refractory modified CMCrAlY where M is nickel, cobalt, iron or mixtures thereof. | 2016-02-04 |
20160032738 | GAS TURBINE ENGINE BLADE TIP TREATMENT - A fan blade and method of manufacturing a fan blade includes a metallic fan blade body with a crystalline oxidation layer and immersing the crystalline oxidation layer in a solution of ceramic nanosheets in suspension. A fan blade for a gas turbine engine includes a metallic fan blade body having a tip with a crystalline oxidation layer, wherein the crystalline oxidation layer includes pores containing ceramic nanosheets. | 2016-02-04 |
20160032739 | AXIAL FLOW COMPRESSOR AND GAS TURBINE EQUIPPED WITH AXIAL FLOW COMPRESSOR - An axial flow compressor comprising: a rotor blade and a stator blade to intake air from an atmosphere and compress the air; a wheel to secure the rotor blade; a casing to secure the stator blade; wherein a wheel dovetail which is machined on an outer circumferential surface of the wheel to have a certain angle with respect to a rotational axis of the axial flow compressor; and a rotor blade dovetail which is machined on an inner circumferential side of the rotor blade to secure by being fitted to the wheel dovetail, characterized in that: a cut surface is formed on at least one of an upstream side and a downstream side of the rotor blade dovetail by cutting a part of the rotor blade dovetail in a surface form. | 2016-02-04 |
20160032740 | VARIABLE-PITCH ROTOR WITH REMOTE COUNTERWEIGHTS - A pitch control mechanism includes: a rotor structure configured for rotation about a longitudinal axis; a row of blades carried by the rotor structure, each blade having an airfoil and a trunnion mounted for pivoting movement relative to the rotor structure, about a trunnion axis which is perpendicular to the longitudinal axis; a unison ring interconnecting the blades; an actuator connected to the unison ring and the rotor structure, operable to move the unison ring relative to the rotor structure; at least one moveable counterweight carried by the rotor structure, remote from the blades; and an interconnection between the blades and the counterweight, such that movement of the counterweight causes a change in the pitch angle of the blades. | 2016-02-04 |
20160032741 | SHOT PEENING DEFORMATION PROCESS FOR ASSEMBLING TWO PARTS OF A TURBOMACHINE - The main object of the invention is a process for deforming at least one part ( | 2016-02-04 |
20160032742 | STATOR SEGMENT - One exemplary embodiment of this disclosure relates to a stator segment. The stator segment includes a first circumferential end face, and a second circumferential end face. Further, the first and second circumferential end faces are misaligned relative to one another. | 2016-02-04 |
20160032743 | Application of a Connection Joint to a Stator Stage by Means of Inflatable Bladders - The present application relates to a method for assembling a stator stage of a turbomachine, the stage having an inner ring, an outer ring, and vanes extending radially between the inner ring and the outer ring. The method includes at least the following essential step: applying at least one inflatable bladder against at least one opening between a vane and one of the inner ring and the outer ring on that face of the ring which is opposite the face for application of a sealing material, so as to form one or more retention surfaces for the sealing material. The present application also relates to an assembly device designed for implementing the method. | 2016-02-04 |
20160032744 | SELECTIVE COATING REMOVAL OR MASKING FOR GROUND PATH - A device for providing a grounding path between an outer surface of a gas turbine aircraft engine and an inner surface of a gas turbine aircraft engine uses a structural guide vane (SGV) with a nonconductive coating on the surface. Bolts are put in bolt holes that have a bolt receiving cavity without the nonconductive coating. A washer and bolt are used so that attachment of the SGV to a surface provides a ground path from the SGV through the bolt, washer and nut for electrical engagement with a surface to which the bolt attaches the SGV. | 2016-02-04 |
20160032745 | TURBINE INCLUDING PACKING DEVICE AND METHOD OF ASSEMBLING THE SAME, AND SEALING ASSEMBLY - A turbine includes a rotor shaft having a plurality of rotating blades mounted on the rotor shaft, a bearing assembly rotatably supporting the rotor shaft, a casing forming a passage of a fluid and to include a space in which the rotating blades are disposed so that thermal energy of the fluid is converted into mechanical energy by rotation, a foundation fixedly supporting the bearing assembly, and a packing device installed in the rotor shaft for sealing between the casing and the rotor shaft and supported by the foundation. The casing comprises a connection unit extended toward the packing device and fixed to the casing so that a location of the connection unit is relatively changed with respect to the packing device. Accordingly, there is an advantage in that the leakage of a fluid is reduced because a clearance between the packing device and the rotor shaft is reduced. | 2016-02-04 |
20160032746 | ASSEMBLY FOR SEALING A GAP BETWEEN COMPONENTS OF A TURBINE ENGINE - A turbine engine assembly includes a first component, a second component and a third component arranged along an axis. The first component houses at least a portion of the third component. The assembly also includes a seal carrier, a seal land and a seal element, which seals a gap between the seal carrier and the seal land. The seal carrier is connected to the first component, and includes a groove surface and a groove. A first portion of the seal carrier seals a gap between a second portion of the seal carrier and the second component. The seal land is connected to the third component and includes a seal land surface. The seal element extends radially into the groove. The seal element is axially engaged with the groove surface and radially engaged with the seal land surface. | 2016-02-04 |
20160032747 | SEALING ELEMENT FOR SEALING GAP - A sealing element for sealing a gap between two components, which can thermally move relative to each other and each have two substantially parallel component grooves, wherein the sealing element is directed along a main line and has, in a cross section substantially perpendicular to the main line, a first and second end segment and a middle region arranged between the end segments, to ensure an effective seal in the event of thermal expansions of the components that are comparatively large radially and to reduce thermal stresses and crack formations on the components. A third end segment having substantially the same extension direction as the first end segment is arranged on the middle region in parallel with the first end segment and a fourth end segment having substantially the same extension direction as the second end segment is arranged on the middle region in parallel with the second end segment. | 2016-02-04 |
20160032748 | GUIDE BLADE FOR A GAS TURBINE - A guide blade for a gas turbine is disclosed. The guide blade includes a blade leaf having a receptacle in which at least one sealing element is arranged, where the sealing element is movable relative to the blade leaf between a sealing setting, in which the sealing element is at least partially moved out of the receptacle, and a storage setting, in which the sealing element is moved back into the receptacle. The guide blade further includes at least one fluid channel by which fluid under pressure can be routed into the receptacle in order to move the sealing element from the storage setting into the sealing setting. An inlet opening of the fluid channel is formed on a pressure-side surface of the blade leaf. A housing as well as a gas turbine having at least one guide blade is also disclosed. | 2016-02-04 |
20160032749 | Leaf Seal for Sealing Off a Shaft Rotating Around an Axis - A leaf seal for sealing off a shaft rotating around an axis, particularly in a gas turbine, is disclosed. The leaf seal includes a plurality of leaves arranged spaced apart from one another, where the leaves are produced integrally with a basic element supporting the leaves by a generative production process. A process for producing a leaf seal for sealing off a shaft rotating around an axis is also disclosed. | 2016-02-04 |
20160032750 | STATIONARY NON-ROTATING BRUSH SEALS - The present disclosure relates to an aircraft brush seal comprising a first brush seal member and a second brush seal member comprising a channel that receives a plurality of interwoven brush fibers. The interwoven brush fibers may be coupled to the first brush seal member and/or may extend into the second brush seal member. The interwoven brush fibers may not couple to the second brush seal member and/or may form an air seal. The air seal may be formed between a first air compartment and a second air compartment. | 2016-02-04 |
20160032751 | REVERSIBLE BLADE ROTOR SEAL - A rotatable sealing structure for a gas turbine engine includes a first blade and a second blade. A seal is arranged between the blades and has a body that is configured for operative association with the first and second blades in a first orientation and in a second orientation to seal a gap defined between the blades. | 2016-02-04 |
20160032752 | ROTATING SEAL CONFIGURATION AND METHOD OF SEALING A ROTATING MEMBER TO A HOUSING - A seal configuration includes a housing and a rotatable member rotationally mounted relative to the housing. The rotatable member has at least one portion defining an outer perimetrical face that is configured to contact the housing during operational conditions that cause a radial dimension of the at least one portion to increase. The at least one portion has opposing axial surfaces with each of the opposing axial surfaces being dimensionally axially nearer to the other of the opposing axial surfaces immediately radially inwardly of the outer perimetrical face than a furthest part of the outer perimetrical face. | 2016-02-04 |
20160032753 | GAS TURBINE ENGINE WITH AXIAL COMPRESSOR HAVING IMPROVED AIR SEALING - A gas turbine engine including an axial high pressure compressor having expansion slots in the outer rim of the rotor section. The expansion slots may be positioned between blades of a rotor segment. The fore end of the slots may have an axial seal which is coupled to the inner surface of the outer rim in the first rotor segment, and may comprise a fin configuration. The axial seal may be integral to the inner surface of the outer rim. The compressor may comprise a plurality of expansion slots and axial seals, including in a plurality of rotor segments. | 2016-02-04 |