| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 166770510 |
With means facilitating connecting or disconnecting supported tubing or rod sections
| 82 |
| 166850100 |
With assembly or disassembly means (e.g., handling, guiding, or tool feature)
| 61 |
| 166770100 |
Moving tubing or cable into an existing well
| 54 |
| 166900100 |
With means for inserting fluid into well
| 42 |
| 166840100 |
With seal for reciprocating member
| 29 |
| 166750150 |
With means for injecting solid or particulate material into the well
| 20 |
| 166880100 |
Inner member anchor or seal with lateral port
| 19 |
| 166860100 |
Inner member anchor or seal with valve
| 16 |
| 166750140 |
Suspension means
| 15 |
| 166780100 |
With tube rotating means (rotary tables)
| 13 |
| 166750130 |
Well caps or casing heads
| 9 |
| 166810100 |
Fluid catcher around pipe coupling
| 8 |
| 166910100 |
With flow restrictions (e.g., chokes or beans)
| 7 |
| 166750120 |
Treatment of produced fluids
| 7 |
| 166970100 |
With valve on cap or head | 4 |
| 20140138082 | THERMALLY-SENSITIVE TRIGGERING MECHANISM FOR SELECTIVE MECHANICAL ENERGIZATION OF ANNULAR SEAL ELEMENT - A seal assembly for use in a valve that maintains a seal during operational excursions of high temperature, such as during a fire. The seal assembly includes a eutectic material that retains an energizing element in place during normal conditions, which in turn keeps a secondary seal spaced axially away from a sealing position. During high temperature excursions, the eutectic material degrades and releases the energizing element. When released, the energizing element energizes a secondary seal that is in an annular space between a valve stem and valve housing. | 05-22-2014 |
| 20160097256 | STEM GUIDE SYSTEM - A system including a stem guide system, including a stem guide, and a sleeve coupled to the stem guide, wherein the sleeve is configured to rest within a valve stem groove of a valve stem. | 04-07-2016 |
| 20160138344 | MATERIALS OF CONSTRUCTION FOR USE IN HIGH PRESSURE HYDROGEN STORAGE IN A SALT CAVERN - A carbon steel for use in high pressure hydrogen service is provided. This steel may have greater than 1.20% manganese and greater than 0.035% sulfur. This steel may have no more than 0.16% carbon, no more than 1.10% manganese, no more than 0.010% phosphorus, no more than 0.05% sulfur, no more than 0.02% silicon, no more than 0.15% copper, no more than 0.10% nickel, no more than 0.1% chromium, no more than 0.03% molybdnium, no more than 0.40% aluminum, no more than 0.02% vanadium, no more than 0.0005% boron, no more than 0.003% titanium, and no more than 0.02% niobium. | 05-19-2016 |
| 20160138735 | MATERIALS OF CONSTRUCTION FOR USE IN HIGH PRESSURE HYDROGEN STORAGE IN A SALT CAVERN - A carbon steel for use in high pressure hydrogen service is provided. This steel may have greater than 1.20% manganese and greater than 0.035% sulfur. This steel may have no more than 0.16% carbon, no more than 1.10% manganese, no more than 0.010% phosphorus, no more than 0.05% sulfur, no more than 0.02% silicon, no more than 0.15% copper, no more than 0.10% nickel, no more than 0.1% chromium, no more than 0.03% molybdnium, no more than 0.40% aluminum, no more than 0.02% vanadium, no more than 0.0005% boron, no more than 0.003% titanium, and no more than 0.02% niobium. | 05-19-2016 |
| 166960100 |
External anchoring or bracing means | 2 |
| 20100258295 | FRAC SYSTEM SPLIT RING DEVICE - A wellhead system, in an embodiment, includes a first wellhead component with an internal bore, and a second wellhead component with a lower end disposed within the first wellhead component internal bore and an upper end disposed outside of the first wellhead component internal bore. The upper end of the second wellhead component has a groove disposed on an outer surface thereof. The wellhead system also includes a retaining member with a plurality of sections, wherein a portion of the retaining member is at least partially disposed in the groove on the second wellhead component, the retaining member is coupled to the first wellhead component, and an anti-rotation mechanism engages both the retaining member and the second wellhead component. | 10-14-2010 |
| 20140360716 | STOP LOSS TOOL FOR WELLHEADS - The present application includes a tool configured to prevent bidirectional passage through a pipe or wellhead. The tool includes at least a housing and a latch. The housing is coupled to the wellhead. The housing has an interior volume in communication with an interior volume of the wellhead through an aperture. The wellhead has a central axis. The latch is pivotally coupled to the interior of the housing and oriented so as to pivot within a plane parallel to the central axis. The latch is configured to selectively enter and exit the interior of the wellhead between a first orientation and a second orientation. The tool may further include a tube to be coupled in axial alignment with the wellhead or pipe. | 12-11-2014 |
| 166950100 |
Central valve or closure and lateral port | 2 |
| 20100139910 | ANNULUS ISOLATION VALVE - An annulus isolation valve comprises a valve actuation bore and a flow passage capable of providing fluid communication between an upper annulus and a lower annulus. The flow passage comprises a first flow path and a portion of the valve actuation bore. Further, the first flow path has a second longitudinal axis that is different from a first longitudinal axis. The annulus isolation valve further includes a plug gate positioned in the valve actuation bore. The plug gate is configured so that in the open position it allows fluid communication between the upper annulus and the lower annulus. The annulus isolation valve further includes a biasing mechanism positioned in the valve actuation bore. The biasing mechanism is capable of forcing the plug gate into the closed position when the actuation force is not applied. | 06-10-2010 |
| 20110061854 | SUBSEA ASSEMBLY - A subsea assembly ( | 03-17-2011 |
| 166790100 |
Cap having transporting means or ground support | 2 |
| 20090095465 | Pivoted rail-based assembly and transport system for well-head equipment - The present invention provides a more stable vertical lift structure that raises pre-assembled equipment with increased flexibility in the positioning in relation to the well head location. The invention includes pre-assembled drilling and well-head equipment, such as a blow-out preventer, a lubricator and a stripper, supported by a vertical support structure, all of which is transported to the drilling site on a trailer assembly. The pivot point for the pre-assembled equipment is placed on a rail transport mounted on the trailer assembly, and the pivot point is laterally pushed to a locking point on the rail assembly before the pre-assembled equipment is vertically raised to its vertical alignment near the well head. After being raised to its vertical alignment position, the pre-assembled equipment can be placed over the well head at the drilling site, which reduces the time needed for assembly of the equipment. Further, by positioning the pre-assembled equipment using the rail transport, there is greater flexibility in positioning the trailer relative to the well head and the vertical alignment operation can be conducted with increased stability compared to known oil and gas exploration transport assemblies. | 04-16-2009 |
| 20120181013 | MODULAR SKID SYSTEM FOR MANIFOLDS - The disclosure provides an adjustable modular skid system with a plurality of skid modules having a frame to support oil field fluid components, such as manifolds, mixing blocks, collection blocks, fracturing pumps, piping and connections, and other devices used to transport water, sand slurries, gas, oil, or other fluids in oil field applications. The modules can be arranged in multiple configuration to fit a particular well site. The modules can include supply modules, transition modules, and distribution modules. The skid modules can be coupled together through piping and relevant connections at the well site. If appropriate, the skid modules can be supported on pilings or other foundational supports. The system can be assembled remotely, started and tested, partially disassembled into the skid modules, and then installed at the well site with minimal additional effort by generally providing lines and connections between the modules. | 07-19-2012 |
| 166760100 |
Having structure for converting from one mode of operation to another; e.g., valve to packer | 2 |
| 20150068726 | BLOWOUT PREVENTER TRANSPORT AND HANDLING SYSTEM - A blowout preventer transport and handling system for a blowout preventer on a well rig. The system includes a skid for a receipt of a blowout preventer. A pair of trolley beams parallel to the skid are moveable between a lowered storage position and a raised use position. A trolley hoist mechanism is provided on each of the trolley beams. At least one cylinder moves the pair of trolley beams between the lowered storage position and the raised use position. | 03-12-2015 |
| 20150322735 | LOCKABLE SWIVEL APPARATUS - A swivel apparatus includes upper and lower housings having a passage therethrough operably connected with a coupling for selective relative rotation; at least one movable piston having a first position where the housings are rotationally locked to each other and a second position where the housings are free for relative rotation; the piston is retained to the upper housing with a retainer secured within and discrete from the upper housing, and the retainer is axially spaced from a bearing assembly. | 11-12-2015 |
| 166970500 |
Parallel pipes extending along distinct paths through wellhead | 1 |
| 20090272523 | Methane Gas Wellhead - A methane gas wellhead, having: a body having a pair of side outlets and a top outlet; a mandrel dimensioned to be received into the top outlet; and a cover plate dimensioned to be received over the mandrel, and to hold the mandrel in the top outlet when the cover plate is secured to the top of the body; or a body having a pair of side outlets and a top outlet; and a mandrel dimensioned to be received into the top outlet, wherein the mandrel is a negative pressure mandrel, and wherein the top outlet and the mandrel are dimensioned to receive an O-ring seal therebetween. | 11-05-2009 |
| 166820100 |
Releasable seal or cleaner disengaged by projection on inner member | 1 |
| 20110168382 | Leak Detection Method for a Rotating Control Head Bearing Assembly and its Latch Assembly using a Comparator - A leak detection method uses a comparator to compare fluid values in and from the latch assembly of the latch system for an oilfield device and/or in and from the bearing assembly of a rotating control head. | 07-14-2011 |
| Entries |
| Document | Title | Date |
|---|
| 20080296011 | Cam-Actuated Centrifugal Brake for Preventing Backspin - A cam assisted centrifugal brake or clutch system provides increased mechanical advantage to improve the output torque relative to prior art devices such as leading brake shoes. The brake or clutch engagement is cammed radially outwardly to engage a brake housing in one direction and guided to a disengaged position in the other direction. Centrifugal forces retain the brake in the disengaged position. Embodiments of the present invention are applied as a backspin braking system that is incorporated into a drive head for a progressing cavity pump drive system. | 12-04-2008 |
| 20090211749 | SYSTEMS, METHODS, AND DEVICES FOR ISOLATING PORTIONS OF A WELLHEAD FROM FLUID PRESSURE - A wellhead system is provided. In one embodiment, the wellhead system includes a bypass sleeve for temporarily isolating portions of a wellhead assembly from pressurized fracing fluid. The bypass sleeve may include a generally tubular body having a tool interface, a lock ring disposed at least partially around the body, and an anti-rotation device coupled to the body. In some embodiments, the anti-rotation device includes a resilient member disposed in a cavity in the body, and an anti-rotation member biased away from the body by the resilient member. The anti-rotation member of some embodiments extends radially outward from the body. | 08-27-2009 |
| 20090308589 | COMBINED FTC SUPPORT SYSTEM - A combined system for treating an oil or gas well is provided which includes a truck, having a truck bed attached thereto and a fracturing support unit and an iron skid mounted on the truck bed. The fracturing support unit includes well head control equipment, and the iron skid includes a manifold having an arrangement of valves for controlling the flow of fluid to the well. The iron skid may be advantageously articulated off the truck bed and onto the ground for unloading the iron components used to treat the well. | 12-17-2009 |
| 20100059217 | Method and Apparatus for Mitigating Environmental Impact Due to Fluid Leaks - Embodiments of the inventive technology may provide a leaked fluid detection and response system in one aspect, and in another aspect, an environmental enclosure for at least a component of such leaked fluid detection system. Various embodiments of the leaked fluid detection and response system may provide wireless communication of detected leaks and a PLC that automates response and provides information regarding the presence of a leak. Enclosures may, in various embodiments, comprehensively surround enclosed components, thermally insulate enclosed components, include a leaked fluid capture basin, be aerodynamically streamlined, and/or be vermin-tight. | 03-11-2010 |
| 20100206544 | Integrated Cable Hanger Pick-Up System - A hanger system is provided for supporting a cable-supported dewatering pump in a gas well. A dewatering pump is supported in a downhole location by a cable. A cable hanger bears the weight of the cable and the weight of the dewatering pump. A pulling tool is configured to detachably connect to the cable hanger and to support the weight of the cable hanger, cable and gas well dewatering system as it is pulled out of a seated position in the well. | 08-19-2010 |
| 20100288483 | Wellhead Completion Assembly Capable of Versatile Arrangements - A wellhead completion assembly has a head connected to surface casing. A rotatable flange or the like can be used to connect various components to a threaded end of the head. A casing hanger installs in the head, and the hanger's upper end extends beyond the head's top edge. This exposed end has an external threaded connection to connect to various wellhead components using a rotatable flange or the like. For example, a locking ring can threadably connect to the head's threaded end to support the hanger in the head. Then, a rotatable flange can threadably connect to the hanger's exposed end so that another component, such as a completion spool or gate valve, can nippled up directly to the hanger. When the hanger is fluted, a pack-off assembly can allow testing off inner and outer sealing integrity via a test port accessible through an opening in the locking ring. | 11-18-2010 |
| 20100294481 | ANGLED-PENETRATOR DEVICE AND SYSTEM - In accordance with an exemplary embodiment, a tubing hanger having an angled auxiliary bore is provided. The auxiliary bore may receive a penetrator for a cabling system that powers a submersible pump. The auxiliary bore is angled with respect to the production bore of the tubing hanger. As a result, the penetrator exits the lower end of the tubing hanger at a location relatively close to the production tubing. This facilitates the use of a smaller-diameter production casing or casing hanger, in turn helping to reduce potential costs, for instance. | 11-25-2010 |
| 20110073297 | PERMANENT MAGNET DIRECT DRIVE DRAWWORKS - A direct drive drawworks has a permanent magnet motor, a shaft extending from the permanent magnet motor so that the permanent magnet motor directly rotates the shaft, and a drum connected to the shaft away from the permanent magnet motor such that the rotation of the shaft causes a corresponding rotation of the drum. The permanent magnet motor has a housing, a stator positioned in the housing, and a rotor cooperative with the stator. The rotor has a drive plate affixed thereto. The shaft is directly connected to the drive plate. A bearing housing rotatably supports the shaft. | 03-31-2011 |
| 20110073298 | ENVIRONMENTAL CONTAINMENT AND PROTECTION SYSTEM - A containment and protection system for wells in the oil and gas industry may solve the problem of crude oil, salt water and chemicals from absorbing into the ground and contaminating the ground, water and animals. The system may provide safety for landowners, workers and livestock. The system may attach around a wellhead and flowline. The system may be dug into the ground so that it is below the surface casing and then sealed and secured thereto. A lid of the system may close overtop of the well to make it secure and leak proof. The lid may also be insulated to hold in warmth, thereby reducing the need to insulate the wellhead. The system may provide safeguards that may shut down the pump driver or close valves to stop flow from the well and flowline under certain conditions. | 03-31-2011 |
| 20110083840 | WORKOVER RIG WITH REINFORCED MAST - A reinforced workover rig mast ( | 04-14-2011 |
| 20110120697 | METAL-TO-METAL SEAL WITH WIPER ELEMENT AND WELLHEAD SYSTEM INCORPORATING SAME - A wellhead or Christmas tree seal assembly that forms a metal-to-metal seal between inner and outer wellhead or Christmas tree members. U-shaped metal seals having legs that face in opposite directions, are bonded to a wiping element. During installation of the seal assembly, the ends of the seal legs seal against the wellhead members and the wiping element compensates for defects on the surfaces of the wellhead members. The wiping element can be of an elastomer, metallic, or intercalated graphite material. | 05-26-2011 |
| 20110198072 | INTEGRATED WELLHEAD ASSEMBLY - An integrated wellhead assembly is provided to enable free flow production and artificial lift production from a well without requiring removal and/or reconfiguration of the wellhead assembly. The wellhead assembly includes an upper portion and a lower portion forming an integrated assembly. The upper portion includes a flow tee and at least one set of rams. The lower portion includes a shoulder to receive a hanger. The upper portion may seal the bore of the wellhead assembly and provide full bore access to the bore of the wellhead assembly. | 08-18-2011 |
| 20110284206 | MULTI-COMPONENT C-RING COUPLING - A multi-component C-ring coupling is provided that includes a connector, an internal C-ring, and a lower ring. In one embodiment, the multi-component C-ring coupling may include a diverter connector to weldlessly couple a diverter to a pipe, such as a conductor. In other embodiment, the coupling may include a casing housinghead connector to couple to a casing housinghead. The lower ring may be engaged with the connector via axial fasteners. The lower ring and connector may include angled internal surfaces to exert radial forces on the C-ring and cause engagement of the teeth of the C-ring with the outer wall of a pipe. | 11-24-2011 |
| 20120024521 | Hydraulic lubricator for use at a wellhead - A lubricator for use at a wellhead such as an oil or natural gas well. The lubricator has a polished rod on which an item, such as a back pressure valve, may be disposed for placement, for example to isolate the wellhead from the well pressure to permit wellhead servicing. The rod is moved by hydraulic power, rather than manually. A piston is connected to the polished rod within the lubricator barrel. Hydraulic pressure within the barrel, above or below the piston, is controlled to cause the rod to move up and down, under power, to permit the rod and items thereon to be lowered and retrieved. | 02-02-2012 |
| 20120267094 | Apparatus and Method for Recovering Fluids from a Well and/or Injecting Fluids into a Well - Methods and apparatus for diverting fluids either into or from a well are described. Some embodiments include a diverter conduit that is located in a bore of a tree. The invention relates especially but not exclusively to a diverter assembly connected to a wing branch of a tree. Some embodiments allow diversion of fluids out of a tree to a subsea processing apparatus followed by the return of at least some of these fluids to the tree for recovery. Alternative embodiments provide only one flowpath and do not include the return of any fluids to the tree. Some embodiments can be retro-fitted to existing trees, which can allow the performance of a new function without having to replacing the tree. Multiple diverter assembly embodiments are also described. | 10-25-2012 |
| 20130180702 | WORKOVER RIG WITH REINFORCED MAST - A reinforced workover rig mast ( | 07-18-2013 |
| 20130206388 | CAPTURE BASKET SYSTEM FOR AN UNDERDECK PIPEHANDLING MACHINE - A capture basket system for use below an underdeck pipehandling machine on a drill rig. The capture basket system includes a capture basket to retain a falling object such as a pipe. The capture basket is coupled to a structure of the drill rig by an energy absorber that includes an elongated element. | 08-15-2013 |
| 20130312951 | Drill-Site Proppant Vacuum System - A proppant collection system for a hydraulic fracturing well site, the well site having one or more proppant handling apparatuses and a closed proppant storage device. The system includes a dust capture system having a hatch in the one or more proppant storage devices, a dust collection cap on the hatch, and a conduit attached to each dust collection cap for receiving dust that enters the dust collection cap from the proppant storage device through the hatch. A central vacuum unit is attached to the conduits of the dust capture system, the central vacuum unit including a slurry tank for receiving dust that is collected by the dust capture system. The slurry tank is adapted to aggregate the dust collected from the proppant storage device. | 11-28-2013 |
| 20130341000 | Rig carrier interconnection support and method - A rig interconnection support and method for providing relatively precise and constant positioning between a rig carrier drilling mast assembly and a skid such as a skid mounted pipe arm for manufacturing the same. Rig interconnection supports, in one embodiment, utilize a pair of interconnectors positioned on opposite sides of well that align a rig carrier with the skid mounted pipe arm or other skid at a lower end. | 12-26-2013 |
| 20140060805 | Fluid Seal with Swellable Material Packing - The present disclosure provides a casing seal for a wellhead, including a casing with an internal surface having an annular groove therein. A fluid seal is disposed in the annular groove and includes an internal bead for sealing against a cylindrical surface of an inner case or tube. A swellable material is disposed within the annular groove and surrounds the fluid seal. An energizing port is in communication with the annular groove for delivering fluid to the swellable material to cause the swellable material to expand and further load the fluid seal. | 03-06-2014 |
| 20140060806 | SYSTEMS, METHODS, AND DEVICES FOR ISOLATING PORTIONS OF A WELLHEAD FROM FLUID PRESSURE - A wellhead system is provided. In one embodiment, the wellhead system includes a bypass sleeve for temporarily isolating portions of a wellhead assembly from pressurized fracing fluid. The bypass sleeve may include a generally tubular body having a tool interface, a lock ring disposed at least partially around the body, and an anti-rotation device coupled to the body. In some embodiments, the anti-rotation device includes a resilient member disposed in a cavity in the body, and an anti-rotation member biased away from the body by the resilient member. The anti-rotation member of some embodiments extends radially outward from the body. | 03-06-2014 |
| 20140076532 | EXTENDABLE CONDUCTOR STAND HAVING MULTI-STAGE BLOWOUT PROTECTION - An extendable conductor stand allowing for rapid alignment and installation. The conductor stand having capacity to accept a BOP to protect against all blowouts, including behind the casing blowouts. | 03-20-2014 |
| 20140124192 | PROTECTIVE COVERING FOR BOTTOM HOLE ASSEMBLY OF DRILLING RIG - A protective covering for use with a bottom hole assembly of a drilling rig to protect users from exposure to drilling fluid disposed within the assembly includes a sheet with a top face and a bottom face, a first set of fasteners affixed to the top face of the sheet along a longitudinal axis of the sheet and oriented substantially parallel to one another, and a second set of fasteners affixed to the bottom face of the sheet, the second set of fasteners being oriented substantially parallel to one another and perpendicular to the first set of fasteners. The user may dispose the bottom face of the sheet on the bottom hole assembly and wrap the sheet around the assembly such that the first set of fasteners engage the second set of fasteners, thereby securing the protective covering to the bottom hole assembly. | 05-08-2014 |
| 20140131030 | ECOLOGICALLY SENSITIVE MUD-GAS CONTAINMENT SYSTEM - This invention relates to an ecologically and environmentally friendly mud-gas containment system. Specifically, this invention relates to a mobile device that is capable of receiving waste gas and, in emergency situations, a volume of a mud-gas mixture from a drilling operation. The waste gas is communicated to a removable flare stack through a vent line. The mud-gas is received at a containment vessel. The impact of the mud-gas within the containment vessel separates the mud-gas into mud and waste gas. The mud is collected for recycling and/or environmentally sensitive disposal. The waste gas from the vessel is communicated to the flare stack. Separate removal ports and conduits are used to remove any residual mud or mud-gas from the vent line and/or containment vessel. Excess mud or mud-gas is communicated to an overflow catch tank for removal. The entire assembly is mounted on a mobile skid sized for highway transportation. | 05-15-2014 |
| 20140231067 | BASE BEAM AND SELF-PROPELLED DERRICK RIG ASSEMBLY - Improvements to base beams and self-propelled derrick rigs are described. The base beam can have two or more stabilizer arms which can be deployed. The base beam is also designed to support the derrick rig. An optional counterweight assembly can be connected to the front of the rig. The self-propelled derrick rig can be easily and quickly mounted to the base beam, and when mounted, the assembly will be able to withstand high hook loads and wind loading without the danger of the rig coming off of its wheels or falling over. | 08-21-2014 |
| 20140246188 | Support Apparatus for Supporting Down Hole Rotary Tools - A portable mast assembly is comprised of a skid assembly having a horizontally oriented frame comprised of longitudinally extending support beams and a mast assembly having at least two vertically extending columns that are supported directly upon a longitudinally extending mast beam without an intervening track or roller. A means for moving the mast beams along the top of the extending support beams of the frame without a roller is provided. | 09-04-2014 |
| 20150034295 | Wellhead Protector - A wellhead protector for inhibiting damage to a wellhead of an oil or gas well. The protector includes a skid having a first runner with a first end and a second end, a second runner with a first end and a second end, with the second runner spaced a distance from the first runner, and a first cross member connected between the first runner and the second runner. A cover is positioned above said skid, with the cover having a closable opening. Rollers are connected to the cover and in contact with said skid so the skid is movable relative to the cover. | 02-05-2015 |
| 20150114618 | OVERVOLTAGE FASTENING TOOL - An overvoltage fastening tool is disclosed having a quadrangular and parallelepiped-shaped container (A), a sensor (B), and a manual operating means (C). | 04-30-2015 |
| 20150292302 | SYSTEM, METHOD AND APPARATUS FOR PARAFFIN REMOVAL - A paraffin removal system for producing oil wells may include a base and a heating tank mounted to the base. A tubular coil may be mounted inside the heating tank substantially along an axis thereof. The tubular coil may be configured to circulate fluids therethrough from a well. An electrical heating element can be mounted inside the heating tank adjacent the tubular coil. The electrical heating element can be configured to heat a liquid inside the heating tank. In addition, a chemical tank can be mounted to the base. A pump may be configured to dispense a selected amount of paraffin treatment chemical from the chemical tank to the tubular coil and circulated fluid. | 10-15-2015 |
| 20150322743 | SELF-REGULATING SURPLUSSING CHECK VALVE - A check valve assembly ( | 11-12-2015 |
| 20150322962 | METHOD FOR PREVENTING CORROSION AND COMPONENT OBTAINED BY MEANS OF SUCH - A method for preventing corrosion in a component of a turbo-machine having a metal substrate made of carbon steel, low alloy steel and stainless steel includes: a first deposition step of depositing a first metallic layer on the substrate by electroplating; a second deposition step of depositing at least a second layer of a nickel alloy on the first layer by electroless plating; at least one thermal treatment step after the deposition steps, said thermal treatment being applied at a temperature and for a time depending on the overall thickness of the layers, the value of said temperature being directly proportional to the thickness, the value of said time being inversely proportional to the temperature. | 11-12-2015 |
| 20150345235 | A WELL INTERVENTION CABLE BENDING RESTRICTION FOR A RIGID RESILIENT ROD-SHAPED INTERVENTION CABLE - A bending restrictor for a rigid but resilient rod-shaped intervention cable includes a series of pipe sections and articulation sleeves. Each pipe section includes a straight pipe piece with a spherical sector in either end. Each articulation sleeve includes two axially oppositely directed spherical-sector seats for holding about each pipe's spherical sector. The spherical sector seats are arranged in either ends of a central axial passage for the intervention cable. Two guide sheaves each with its sheave groove reside in the articulation sleeve's axial plan is laterally displaced relative to the middle of the axial passage so as for enveloping the axial passage for the intervention cable. The articulation sleeve is provided with two opposite axially directed and flattened pivot funnels, and each pivot funnel is provided with its narrower end in adjacent to each its spherical-sector seat. Each pivot funnel has, in the axial plane a funnel shape which allows the pipe section's straight pipe piece to pivot about the spherical sector seat in the axial plane, and wherein the pivot funnel's funnel shape is flattened in another axial plane perpendicular to the first axial plane, so as for the pipe sections to be able to pivot only in the first axial plane. The articulation sleeve is splittable in the plane into two articulation sleeve half housings. | 12-03-2015 |
| 20150345238 | METHOD AND APPARATUS FOR HANDLING OIL AND GAS WELL DRILLING FLUIDS - A fluids management apparatus is disclosed herein that enables management of multiple volumes of different fluids when drilling and/or producing oil and/or gas with an oil and gas well drilling platform. The apparatus includes a structural, transportable frame that has upper and lower reservoir sections, each with a plurality of tanks for holding fluid. The upper reservoir section is easily lifted and transported, such as by crane. A docking station on the lower reservoir section is receptive of the upper reservoir section. A piping system enables a selected fluid volume contained in a tank of the upper reservoir section to be selectively transmitted to a selected tank of the lower reservoir section. The lower reservoir section has its own piping system that enables a user to withdraw fluid from any selected one of its tanks. | 12-03-2015 |
| 20150361748 | HIGH PRESSURE GAS STORAGE - A storage wellhead allowing on-line system maintenance and testing is provided. Including at least two fluidically parallel gas passages adapted to allow testing or maintenance of one gas passage, while the other gas passage remains in service. The gas may be hydrogen. Also including at least two fluidically parallel liquid passages adapted to allow testing or maintenance of one liquid passage, while the other liquid passage remains in service. The liquid may be brine. | 12-17-2015 |
| 20150361749 | HIGH PRESSURE GAS STORAGE - A storage wellhead allowing on-line system maintenance and testing is provided. Including at least two fluidically parallel gas passages adapted to allow testing or maintenance of one gas passage, while the other gas passage remains in service. The gas may be hydrogen. Also including at least two fluidically parallel liquid passages adapted to allow testing or maintenance of one liquid passage, while the other liquid passage remains in service. The liquid may be brine. | 12-17-2015 |
| 20150369002 | STACKED SHUTTLE VALVE - The present invention generally relates to a stacked shuttle valve. More specifically, the present invention relates to a stacked shuttle valve that is; fully reconfigurable in the field, facilitated by adding or removing stages, allowing the total number of stages in an existing shuttle stack to be varied in order to suit the application requirement; fully serviceable in the field, facilitated by the installation of new shuttle and seat components shuttle components, without requiring the full dismantling of the shuttle stack and body replacement; spring biased at each stage within the stack by utilizing a small conical coil shuttle spring; leak tight shuttle without the need to coin the metal to metal adapter seal by utilizing a radius shaped shuttle seat; uses shuttle and seat components that are interchangeable with the single shuttle assembly; and capable of greater flow rates. | 12-24-2015 |
| 20160017685 | Ram Blowout Preventer Piston Rod Subassembly - A piston rod subassembly for use in a blowout preventer operator assembly includes a piston rod having a rod threaded interface and a rod shoulder on an outer diameter of the piston rod. A preload ring has a ring threaded interface for engaging the rod threaded interface to couple the piston rod to the preload ring. A protruding end surface of the piston rod protrudes past an end face of the preload ring when the piston rod is coupled to the preload ring and the rod shoulder engages a ring shoulder of the preload ring. A piston has a pocket for receiving the preload ring. Preload ring fasteners couple the preload ring to the piston to form a piston rod connection between the piston rod and the piston, such that the protruding end surface engages an interior surface of the pocket and a preload is induced in the piston rod connection. | 01-21-2016 |
| 20160040510 | SYSTEM AND METHOD FOR IMPROVED DUCT PRESSURE TRANSFER IN PRESSURE EXCHANGE SYSTEM - A rotary isobaric pressure exchanger (IPX) includes a first end cover having a first surface that interfaces with a first end face of a rotor, wherein the first end cover has at least one first fluid inlet and at least one first fluid outlet. The IPX includes a second end cover having a second surface that interfaces with a second end face of the rotor, wherein the second end cover has at least one second fluid inlet and at least one second fluid outlet. The IPX includes a port disposed through the first surface of the first end cover or through the second surface of the second end cover, wherein during rotation of the cylindrical rotor about the rotational axis the port is configured to fluidly communicate with at least one channel of the plurality of channels within the rotor. | 02-11-2016 |
| 20160047191 | PIVOT JOINT - A pivoting member is coupled to the stuffing box to allow the stuffing box to move in a radial direction relative to a wellhead. | 02-18-2016 |
| 20160060984 | REPLACABLE DIES - A device which moves a die between a retracted position, thereby releasing the die from the device, and an advanced position, thereby fixing the die to the device. The device includes an inner body comprising an inner body wall, and an inner body set of inclined faces. A body comprises a longitudinal groove. The longitudinal groove comprises an inner wall which contacts the inner body wall. An intermediate body comprises a first longitudinal side comprising a longitudinal side set of inclined faces, and a second longitudinal side arranged opposite thereto. The first longitudinal side cooperates with the inner wall. The second longitudinal side cooperates with a first side of the die. The longitudinal side set of inclined faces cooperates with the inner body set of inclined faces. A relative movement between the intermediate body and the inner body moves the die between the retracted position and the advanced position. | 03-03-2016 |
| 20160076317 | Mousehole Assembly for Manipulating Tubulars for Subterranean Operations - A system for manipulating tubulars for subterranean operations includes a mousehole assembly having a cavity including a first mousehole, a second mousehole spaced apart from the first mousehole, a mechanism configured to change a position of at least one of the first mousehole and second mousehole within the cavity. | 03-17-2016 |
| 20160076318 | Griphead Assembly for Manipulating Tubulars for Subterranean Operations - A griphead including a housing having a first bumper, and a jaw assembly comprising at least a first arm, wherein the first arm is configured to be actuated between an open position and closed position by controlling a relative position of the first arm relative to the bumper. | 03-17-2016 |
| 20160115757 | PETROLEUM INSTRUMENT SALVAGING SYSTEM AND SALVAGING HEAD - The present invention discloses a salvaging head for a petroleum instrument salvaging system, which comprises: a lifting part, for connecting a lifting rope; an insertion rod, which is located under the lifting part and used for protruding into a stair-shaped salvaging hole, and is set with a notch on both sides of the free end thereof; two clamping pieces, which are respectively hinged in two notches, and the clamping face thereof can be in hooking fit with a hooking face in the horizontal plane, wherein the hinge part of the two clamping pieces is located on one end thereof, and the other end is set with a pulling rope, wherein the pulling rope is strained gradually as the clamping face rotates to the horizontal plane, and the orientations of the other ends, which are connected with the pulling rope, of the two clamping pieces are opposite to each other; a compression spring, which is set between the other end of each clamping piece and the sidewall of the corresponding notch, for applying a restoring force that makes the clamping face of the clamping piece in the horizontal plane. The invention further discloses a petroleum instrument salvaging system. By the above solutions, the current problems of large labor intensity, low efficiency, high cost and large economic loss caused by salvaging a petroleum instrument via pulling drill rods out of the drilling well can be solved. | 04-28-2016 |
| 20160160597 | Reciprocating Pump Drive Assembly - A reciprocating pump drive assembly for driving a reciprocation of a polish rod relative to a well casing includes a support frame which supports a pair of hydraulic actuators such that the cylinder portions thereof are fixed relative to the well casing. A mounting frame is supported at a top end thereof on the top ends of the piston portions of the hydraulic actuators so as to extend downwardly to a polish rod mounting bracket at the bottom end of the mounting frame. The top end of the polish rod is thus supported by the mounting frame so as to be suspended below the top end of the hydraulic actuators for improved access during servicing and for greater overall lateral stability of the drive assembly. | 06-09-2016 |
| 20160194924 | MOUSEHOLE APPARATUS | 07-07-2016 |
| 20160201424 | Tool Catch | 07-14-2016 |
| 20220136342 | HYDRAULIC ROTARY SIDE-SWING ELEVATOR - A hydraulic rotary side-swing elevator includes an elevator body, a side swing mechanism and a rotating mechanism. Rotatable shafts are arranged on left and right sides of the elevator body. An inner hinge and an outer hinge are respectively provided on the two rotatable shafts. An inner hinge driving structure includes an inner hinge opening and closing cylinder and an opening and closing cylinder fixing seat. An outer hinge driving structure includes an outer hinge locking cylinder and a locking cylinder fixing seat. The opening and closing cylinder fixing seat and the locking cylinder fixing seat are arranged on a rear side wall of the elevator body. A cylinder barrel part of the inner hinge opening and closing cylinder is hinged on the opening and closing cylinder fixing seat, and a piston part of the inner hinge opening and closing cylinder is hinged to the inner hinge. | 05-05-2022 |
