| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 166243000 | MISCELLANEOUS (E.G., ANCHOR PIPES) | 20 |
| 20090301712 | Inert Substrate-Bonded Fluoroelastomer Components and Related Methods - Included within the scope of the invention is an article of cured fluoroelastomer composition bonded to an inert substrate. The cured fluoroelastomer composition includes a fluoropolymer, a silica, and an acrylate compound. The fluoroelastomer composition is bonded to the inert substrate with a bind having a bond durability of at least about 1500 pounds load at 20° C. The inert substrate may be a metal substrate or a ketone-based polymer substrate. | 12-10-2009 |
| 20100018700 | Laminate Pressure Containing Body for a Well Tool - Apparatus if provided for use in wells, particularly wells that have high-pressure and high-temperature conditions in the well. The shells of completion equipment that is required to withstand the rigorous conditions in such wells are increased in strength by laminate layers that are formed of materials having higher yield strength than the yield strength of materials that can be used in well fluids. | 01-28-2010 |
| 20130206395 | SYSTEM, METHOD AND APPARATUS FOR REDUCING SHOCK AND VIBRATION IN DOWN HOLE TOOLS - A snubber for reducing shock and vibration in down hole tools includes a housing having an axis and a chamber. A piston is mounted in the chamber for axial movement therein. The piston includes a shaft extending therefrom to an exterior of the housing. An axial spring element is mounted between the piston and the housing. Both the piston and the chamber include non-cylindrical portions. | 08-15-2013 |
| 20140014323 | TORQUE MEMBER - The present invention relates to a downhole tool extending in a longitudinal direction, comprising a tool housing; an arm assembly movable between a retracted position and a projecting position in relation to the tool housing; an arm activation assembly arranged in the tool housing for moving the arm assembly between the retracted position and the projecting position, the arm activation assembly comprising a piston chamber extending in the longitudinal direction of the downhole tool, a piston member arranged inside the piston chamber and movable in the longitudinal direction of the downhole tool, and wherein the arm activation assembly further comprises a torque member comprising a first fluid channel for supplying hydraulic fluid from a pump to the arm assembly, the torque member being connected with the arm assembly and wherein the torque member is rotated by the movement of the piston member, whereby the arm assembly is moved. Furthermore, the invention relates to a tool string system comprising a plurality of downhole tools, wherein at least one of the downhole tools is a downhole tool according to the invention. | 01-16-2014 |
| 20140054027 | COARSE HARD-METAL PARTICLE INTERNAL INJECTION TORCH AND ASSOCIATED COMPOSITIONS, SYSTEMS, AND METHODS - Internal coarse particle injection plasma transferred arc torch nozzles comprising: a heat-resistant nozzle body; at least one coarse hard-metal particle internal injection port; at least one fine hard-metal particle and matrix internal injection port; at least one gas port; and a cathode. Related systems, apparatus, compositions, and methods involving such arc torch nozzles are also disclosed. | 02-27-2014 |
| 20140174723 | Defoaming Agent Compositions and Methods of Making and Using Same - A method of servicing a wellbore in a subterranean formation comprising placing a foamed wellbore servicing fluid into a wellbore; flowing the foamed wellbore servicing fluid back to the wellbore surface; and contacting the foamed wellbore servicing fluid with an immobilized defoaming agent structure comprising an inert substrate and a defoamer. A system comprising a foamed wellbore servicing fluid in contact with a de-foaming structure, wherein the de-foaming structure comprises a defoamer covalently bonded to an inert substrate. | 06-26-2014 |
| 20140262217 | Wear Resistant Coatings For Radial Bearings and Downhole Tools - Abrasion resistant coatings useful for improving abrasive wear and/or corrosion resistance in radial bearings and downhole tools exposed to drilling forces as well as abrasive and/or corrosive drilling fluids. An abrasion resistant coating is disposed on at least one surface of a component body to increase the resistance of the component to abrasive wear and corrosion. The abrasion resistant coating includes a plurality of spherical tungsten cobalt carbide particles and a plurality of tungsten carbide particles. At least 65% by volume of the spherical tungsten cobalt carbide particles have a diameter of less than about 25 microns. | 09-18-2014 |
| 20140290933 | DEBRIS BARRIER ASSEMBLY - A method and apparatus for a debris barrier assembly having a sleeve, an outer housing assembly coupled to the sleeve, and first and second biasing members disposed within the outer housing assembly. A support member is coupled to the sleeve and is in contact with an end of the first and second biasing members. The debris barrier assembly is coupled to a polished bore receptacle to prevent debris from entering the PBR. The debris barrier assembly is operable to compensate for a pressure differential between the internal region of the PBR and the external region of the surrounding wellbore. The debris barrier assembly and the PBR may be run in the wellbore on a work string, and the sleeve may be actuated to actuate a downhole tool connected to the sleeve to perform a downhole operation. The debris barrier assembly may be retrieved from the wellbore using the work string. | 10-02-2014 |
| 20140338894 | GEOLOGIC FRACTURING METHOD AND RESULTING FRACTURED GEOLOGIC STRUCTURE - Detonation control modules and detonation control circuits are provided herein. A trigger input signal can cause a detonation control module to trigger a detonator. A detonation control module can include a timing circuit, a light-producing diode such as a laser diode, an optically triggered diode, and a high-voltage capacitor. The trigger input signal can activate the timing circuit. The timing circuit can control activation of the light-producing diode. Activation of the light-producing diode illuminates and activates the optically triggered diode. The optically triggered diode can be coupled between the high-voltage capacitor and the detonator. Activation of the optically triggered diode causes a power pulse to be released from the high-voltage capacitor that triggers the detonator. | 11-20-2014 |
| 20150322746 | LOW DOSAGE KINETIC HYDRATE INHIBITORS FOR NATURAL GAS PRODUCTION SYSTEMS - Copolymers containing acryloylmorpholine and vinylimidazole, and optionally vinylcaprolactam and/or n-vinyl pyrrolidone, have shown superior results in hydrate inhibition tests at conditions of 7° C. subcooling dosed at 1 vol % based on the water cut of the system fluids. The copolymer product has also passed high TDS (total dissolved solids) brine compatibility tests and secondary property tests including foaming and hot injection tests which make it useful as a kinetic hydrate inhibitor in gas production systems susceptible to the formation of natural gas hydrates. | 11-12-2015 |
| 20150345286 | FLUID PRESSURE PULSE GENERATING APPARATUS WITH PRIMARY SEAL ASSEMBLY, BACK UP SEAL ASSEMBLY AND PRESSURE COMPENSATION DEVICE AND METHOD OF OPERATING SAME - The embodiments described herein generally relate to a fluid pressure pulse generating apparatus with a primary seal assembly, back up seal assembly and pressure compensation device. The pressure compensation device comprises a membrane support and a longitudinally extending membrane system. The membrane support has a longitudinally extending bore therethrough for receiving a drive-shaft of the fluid pressure pulse generating apparatus. The longitudinally extending membrane system comprising a longitudinally extending outer membrane sleeve and a longitudinally extending inner membrane sleeve with the inner membrane sleeve positioned inside the outer membrane sleeve. The membrane system is sealed to the membrane support to allow flexing of the membrane system in response to fluid pressure on either an inner longitudinal surface of the membrane system or an outer longitudinal surface of the membrane system and to prevent fluid on the inner longitudinal surface mixing with fluid on the outer longitudinal surface. | 12-03-2015 |
| 20150354301 | Electrodynamic and Electromagnetic Suspension System Tractor - An apparatus for maneuvering a tool string within a borehole of a subterranean well includes a magnetic tractor casing with a central bore. A tractor body is located within the central bore of the magnetic tractor casing. A plurality of magnets are spaced along an outer surface of the tractor body, the plurality of magnets operable to generate a second magnetic field to interact with a first magnetic field of the magnetic tractor casing, to maintain an annular space between the tractor body and the magnetic tractor casing. A plurality of angled opening assemblies are spaced along the tractor body, each of the angled opening assemblies shaped to direct fluid away from the tractor body, to maintain an annular space between the magnetic tractor casing and the borehole of the subterranean well. | 12-10-2015 |
| 20150361733 | WEAR BAND FOR DOWNHOLE TOOLS - Herein disclosed is a downhole tool comprising a 360-degree wear band placed circumferentially around a portion of the largest outer diameter (OD) of the tool. In some embodiments, the wear band comprises fiber, resin, and a hard mineral. In some embodiments, the hard mineral comprises alumina oxide, carbide, poly crystalline diamond, or combinations thereof. In some embodiments, the wear band has a thickness of from about 0.001 inch to about 0.5 inch or wherein the wear band has a width of from about 0.01 inch to about 1.0 inch or wherein the wear band is flush with the largest OD of the tool. In some embodiments, the portion of the largest outer diameter of the tool is a part of a mule shoe, or a gage ring, or a bottom sub. Methods of making such a wear band is also disclosed. | 12-17-2015 |
| 20150361744 | Downhole Pressure Compensator - The techniques herein relate to a pressure compensation system. The system includes a downhole tool and one or more pressure compensators positionable in the downhole tool. Each pressure compensator includes a first compensating fluid section having a first compensating fluid, at least one second compensating fluid section having a second compensating fluid, and a convoluted membrane between the first and second fluids in the first and second compensating fluid sections, respectively. The first or second compensating fluid sections, or both, may include a porous disk positioned at a hole in the fluid section. The pressure compensator may also include a switch configured to indicate a fluid condition in the pressure compensator and a relief valve configured to release fluid from the pressure compensator. | 12-17-2015 |
| 20160047173 | NEW AND IMPROVED SUCKER ROD - The disclosure relates to the treatment of rods made of metal, particularly to the method of reclamation of used standard length rods, such as pump rods already used in the mechanical deep-pumping extraction of oil, as well as to the product made with the help of the mentioned method. The method of remanufacturing of standard length rods includes the reheating of the rod body to a temperature favorable for the plastic treatment of the rod such as plastic deformation of the rod body under pressure. Such methods allow for the reclamation of rods of the desired geometric form and enhancement of the mechanical properties of the remanufactured rod. The technical outcome of the claimed invention consists in the reclamation of rods of the desired geometric form and enhancement of the mechanical properties of the remanufactured rod. | 02-18-2016 |
| 20160047174 | DOWNHOLE CLAMP SYSTEM - A downhole clamp system includes a first clamp member having a first body having a first outer surface and a first inner annular surface configured to engage a downhole tubular. One or more lugs extend radially outwardly from the first outer surface, and a first clamping finger extends radially outwardly from the first outer surface. A second clamp member is arranged adjacent to the first clamp member. The second clamp member includes a second body having a second outer surface and a second inner annular surface configured to engage a downhole tubular. One or more lugs extend radially outwardly from the second outer surface, and a second clamping finger extends radially outwardly from the second outer surface. | 02-18-2016 |
| 20160130915 | TRIGGER MECHANISM FOR BALL ACTIVATED DEVICE - A trigger mechanism for a ball activated device ( | 05-12-2016 |
| 20160145996 | SOLID STATE PHASE CHANGE FLASKING FOR A DOWNHOLE TOOL COMPONENT - A heat sink of solid state phase change material for a heat sensitive downhole tool component. The heat sink may be of a polyhydric alcohol based or other suitable material which is capable of undergoing a phase change from one solid form to another. That is, the phase change material need not undergo a phase change into a liquid form in order to absorb well heat and provide substantial protection to the heat sensitive downhole tool component. Thus, cost effectiveness, manufacturability and performance may all be enhanced which may be particularly advantageous where the component is of a single application use variety. | 05-26-2016 |
| 20160160370 | BORIDED METALS AND DOWNHOLE TOOLS, COMPONENTS THEREOF, AND METHODS OF BORONIZING METALS, DOWNHOLE TOOLS AND COMPONENTS - A method of boriding a metal comprises forming a molten electrolyte comprising between about five weight percent and about fifty weight percent boron oxide, and contacting at least a portion of a metal with the molten electrolyte. Electrical current is applied to at least a portion of the metal while maintaining a temperature of the molten electrolyte below about 700° C. to diffuse boron atoms from the molten electrolyte into a surface of the at least a portion of the metal. A downhole tool including at least one borided component is also disclosed. | 06-09-2016 |
| 20160201404 | Device For The Connection Of Rods For Rotational Drive Of A Downhole Pumping Apparatus | 07-14-2016 |
