135321 ⎘
Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings Cables; ; Tubings; Wear protectors; Centralising devices, e.g. stabilisers Centralising devices with rollers or with a relatively rotating sleeve
Sub-classes:BEARING ASSEMBLIES, APPARATUSES, DEVICES, SYSTEMS, AND METHODS INCLUDINGBEARINGS
#2SENSOR TRANSPORTATION APPARATUS FOR A WIRELINE LOGGING TOOL STRING
#3TETHER ROLLER APPARATUS
#4WELLBORE CLEANING TOOLS
#5A TOOL STRING TRANSPORTATION DEVICE
#6RETRIEVABLE DOWNHOLE HEATER
#7A WELL TOOL WITH AN ANGLE ORIENTING FEATURE
#8Remote control line clamp installation system
#9DOWNHOLE CENTRIFUGAL PUMPS INCLUDING LOCKING FEATURES AND RELATED COMPONENTS AND METHODS
#10DEVICE FOR CENTERING A SENSOR ASSEMBLY IN A BORE
#11ROTATIONAL GUIDANCE DEVICE FOR A DRILLING TOOL AND ASSOCIATED METHOD
#12Sensor transportation apparatus for a wireline logging tool string
#13FULL-FACE SHAFT TUNNEL BORING MACHINE SYSTEM
#14SELF-ORIENTING PERFORATING GUN
#15GUIDE SLEEVE FOR A FLEXIBLE LINEAR MEMBER AND KITS THEREOF
#16PROTECTIVE ROLLER CENTRALIZER
#17Device for centering a sensor assembly in a bore
#18Adaptive control of rotating or non-rotating transducer and sensors casing stand-off supported by casing centralizers
#19Perforating Gun With Self-Orienting Perforating Charges
#20Spacer segment and a spacer
#21Wheel Assembly
#22Tool string orientation
#23Drill string with centralizer
#24Sensor transportation apparatus for a wireline logging tool string
#25Device for centering a sensor assembly in a bore
#26Maintaining and inspecting a wellbore
#27Artificial lift systems utilizing high speed centralizers
#28High speed rotor dynamics centralizer
#29Indexing tool system for a resource exploration and recovery system
#30Wireline cased-hole roller
#31Downhole movable joint tool
#32Hybrid reamer and stabilizer
#33Self-powered active vibration and rotational speed sensors
#34Low friction wireline standoff
#35Modular anti-rotation drilling systems and methods
#36In-pipe passive centering mechanism with radial probe or tool deployment mechanism
#37Deploying material to limit losses of drilling fluid in a wellbore
#38CENTRALIZER
#39Wheel assembly
#40Sensor transportation apparatus and guide device
#41Pipeline pulling tool and a method of actuating such a tool
#42Casing friction reduction methods and tool
#43Centralizer for wireline tool
#44In-pipe passive centering mechanism with radial probe or tool deployment mechanism
#45Downhole friction reduction tools
#46Roller coupling apparatus and method therefor
#47Roller coupling apparatus and method therefor
#48DOWNHOLE ROLLER
#49Roller tool
#50Method and materials to convert a drilling mud into a solid gel based lost circulation material
#51Production logging tool and downhole fluid analysis probes deploying method
#52DEVICE FOR CENTRING AND/OR PULLING A TOOL IN A PIPELINE
#53Low friction wireline standoff
#54Method and system for extended reach coiled tubing
#55Downhole device for use in a well
#56Orientation apparatus and hole finder device for a wireline logging tool string
#57Systems and methods for improved centralization and friction reduction using casing rods
#58Method and materials to convert a drilling mud into a solid gel based lost circulation material
#59Centralising assembly for a downhole device, coupling device including a centralising device and method of manufacture
#60Pulling tool for use in a wellbore and/or tubing and a propulsion module of a pulling tool
#61Securing mechanism for a drilling element on a downhole drilling tool
#62Rolling element assembly with bearings elements
#63Rotating loading tube and angled shaped charges for oriented perforating
#64Casing friction reduction methods and tool
#65Anti-rotation pads with flow ports
#66Apparatus and method for hybrid sonic transmitter integrated with centralizer for cement bond log cased-hole application
#67Systems and methods for stuck pipe mitigation
#68Drilling system including a driveshaft/housing lock
#69Sucker rod rolling centralizer guide
#70Centralizer
#71Tool string orientation
#72Low friction wireline standoff
#73Wellbore logging tool assembly
#74Securing mechanism for a drilling element on a downhole drilling tool
#75Downhole toolstring spacer placement systems and methods
#76Positioning system
#77Tool string orientation
#78Connection mechanism
#79Sensor transportation apparatus and guide device
#80Optical coupling system for downhole rotation variant housing
#81Drill pipe completion device
#82Dimensional characteristic determinations of a wellbore
#83Detecting and remediating downhole excessive pressure condition
#84Centralizer
#85Downhole roller
#86Apparatus and method for cleaning wells and pipelines
#87Ultra-slim nuclear magnetic resonance tool for oil well logging
#88Ultra-slim nuclear magnetic resonance tool for oil well logging
#89Methods and apparatus for mitigating downhole torsional vibration
#90Nanofiber strain gauge sensors in downhole tools
#91MODULAR DRILLING REAMER
#92DOWNHOLE EXPANDABLE DRIVE REAMER APPARATUS
#93Downhole apparatus and method
#94Low friction wireline standoff
#95Transportable Energy Storage Devices
#96DRILL PIPE WITH ROLLER ASSEMBLY
#97Roller device
#98Sensor transportation apparatus and guide device
#99Methods and apparatus for mitigating downhole torsional vibration
#100STABILIZER DEVICE FOR BOTTOM HOLE ASSEMBLY
#101Downhole tool vibration device and method
#102Tubular guiding and gripping apparatus and method
#103Torque anchor for blocking the rotation of a production string of a well
#104Downhole stabilizer
#105OVERVOLTAGE FASTENING TOOL
#106Apparatus and Methods for Clearing a Subsea Tubular
#107Method and apparatus to enable toolstring to negotiate obstructions downhole
#108Torque anchor for blocking the rotation of a production string of a well and pumping installation equipped with such a torque anchor
#109Wireline roller standoff
#110Methods and systems for controlling torque transfer from rotating equipment
#111Friction reducing downhole assemblies
#112Components of drilling assemblies, drilling assemblies, and methods of stabilizing drilling assemblies in wellbores in subterranean formations
#113Downhole traction apparatus and assembly
#114Downhole driving unit having a hydraulic motor with a static cam ring
#115DOWNHOLE TRACTION
#116FRICTION REDUCING STABILIZER
#117Self-adjusting riser centralizer
#118Well access tools
#119Centralizer
#120Friction reduction mechanism for a downhole release assembly
#121Downhole Tool Roller Device With Cylindrical Bearing Mechanism
#122METHOD AND APPARATUS FOR REDUCING STICK-SLIP IN DRILLING OPERATIONS
#123Artificial lift system for well production
#124Roller standoff assemblies
#125Self-orienting fracturing sleeve and system
#126Alignment of downhole strings
#127DUAL ROTARY CENTRALIZER FOR A BOREHOLE
#128Downhole device
#129Arm system for logging a wellbore and method for using same
#130Low friction wireline standoff
#131Centralized Bi-Center Reamer and Method of Use
#132Non-rotating casing centralizer
#133Open hole non-rotating sleeve and assembly
#134Low Friction Centralizer
#135Tubular guiding and gripping apparatus and method
#136Multi-Purpose Well Servicing Apparatus
#137Centralizer-based survey and navigation device and method
#138Centralizer for tubular elements
#139Progressive cavity pump rod guide
#140TURBULENT FLOW TOOL
#141Apparatus for keeping a down hole drilling tool vertically aligned
#142Transport assembly
#143Method and apparatus for orienting perforating devices
#144In-situ method of forming a non-rotating drill pipe protector assembly
#145Apparatus and method for stabilization of downhole tools
#146Downhole device
#147Downhole Apparatus for Mobilising Drill Cuttings
#148Rotating systems associated with drill pipe
#149Method and apparatus for friction reduction in a downhole tool
#150Centralizer-based survey and navigation device and method
#151Roller subs
#152Drilling on gauge sub
#153Rotating systems associated with drill pipe
#154Method and apparatus for preventing the friction induced rotation of non-rotating stabilizers
#155Variable gauge drilling apparatus and method of assembly therefor
#156Drill string tool with bearing sleeve
#157Tool string transportation device
#158Positioning a tubular member in a wellbore