Patents
Patents for E21B 19 - Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables (17,198)
06/2010
06/16/2010EP1931561B1 Vessel comprising a subsea equipment motion restraining and guidance system
06/16/2010CN201507255U Lower bearing support of drilling rod
06/16/2010CN201507254U Casing tong novel valve plate protecting device
06/16/2010CN201507253U A novel slip insert plate with high tooth and without distance
06/16/2010CN201507252U Chain tensioning mechanism for drilling machine
06/16/2010CN201507251U Adjustable rope hanging device
06/16/2010CN101737016A Torque-withstanding drill pipe elevating device
06/16/2010CN101737004A Pressure mechanism suitable for fire rebuilt wellhead device for oil and gas well
06/15/2010US7736119 Horizontal pipe handling system
06/15/2010US7735580 Device for charging a drilling device and drilling apparatus
06/15/2010US7735576 Device for guiding and tensioning supply lines
06/15/2010US7735566 One trip completion system
06/15/2010US7735565 Dual-saddle ear support apparatus
06/15/2010US7735557 Wireline slip hanging bypass assembly and method
06/10/2010WO2010065012A1 Pressure intensified metal endcap seal assembly
06/10/2010WO2010064920A1 Method to stop wellbore fluid leakage from a spoolable wellbore intervention rod
06/10/2010WO2010063112A1 Well tool with connectors and adapted for use with power tongs
06/10/2010US20100143078 Racking Module
06/10/2010US20100143047 Ram Style Tensioner With Fixed Conductor and Floating Frame
06/10/2010US20100139941 Arrangement for employing drill steel centralizer travelling on feed beam of rock drill machine
06/10/2010US20100139910 Annulus isolation valve
06/10/2010US20100139461 Granular Particle Gripping Surface
06/10/2010CA2778244A1 Well tool
06/10/2010CA2745196A1 Method to stop wellbore fluid leakage from a spoolable wellbore intervention rod
06/09/2010CN201502345U Novel hanging tongs
06/09/2010CN201502344U On-off lifting device for geological core cap drive drilling machine
06/09/2010CN201502343U Low-tooth height slip dental plate with teeth space
06/09/2010CN201502342U Anticorrosive slip
06/09/2010CN201502341U Self-rotating type multifunctional polished rod eye
06/09/2010CN101730784A Disconnectable riser-mooring system
06/09/2010CN101725326A Modular assembly type offshore platform hydraulic energy-storing workover rig
06/09/2010CN101245693B Drilling rod conveyer for macrotype raise-boring machine
06/08/2010US7730973 Housing arrangement for a drill rig
06/08/2010US7730957 Well tool with line and installation method
06/08/2010US7730955 Grooved expandable recess shoe and pipe for deployment of mechanical positioning devices
06/08/2010CA2563860C Controlled shared load casing jack system and method
06/08/2010CA2552805C Tubular running apparatus
06/08/2010CA2533134C Method and device to clamp control lines to tubulars
06/08/2010CA2533115C Top drive torque booster
06/08/2010CA2530915C Apparatus and methods for operating a tool in a wellbore
06/05/2010CA2652616A1 Drilling rod retainer
06/03/2010WO2010062613A2 Apparatus and method for pre-loading of a main rotating structural member
06/03/2010WO2010062612A2 Telescoping jack for a gripper assembly
06/03/2010WO2010062610A2 Header structure for a pipe handling apparatus
06/03/2010US20100135750 Methods and systems for tripping pipe
06/03/2010US20100132956 Expandable connection with metal to metal seal
06/03/2010US20100132953 Barrier for instrumentation piping
06/03/2010US20100132949 Process and process line for the preparation of hydraulic fracturing fluid
06/03/2010US20100132936 Pipe Handling Device and Safety Mechanism
06/03/2010US20100132935 Gripper Block
06/03/2010US20100132180 Method and System for Controlling Tongs Make-Up Speed and Evaluating and Controlling Torque at the Tongs
06/03/2010CA2741693A1 Telescoping jack for a gripper assembly
06/03/2010CA2741653A1 Apparatus and method for pre-loading of a main rotating structural member
06/03/2010CA2741647A1 Header structure for a pipe handling apparatus
06/02/2010CN201497603U Hanging tongs torque gauge
06/02/2010CN201496022U High-pressure converter for machine pumping wellhead
06/02/2010CN201496011U Spilled oil recovering device for closed demolition of oil pipe
06/02/2010CN201496010U Power slip
06/02/2010CN201496009U Novel power slip
06/02/2010CN201496008U Anti-releasing polish rod clamp
06/02/2010CN201496007U Steel wire rope and polished rod breaking and dropout prevention mule-head hanger
06/02/2010CN201496006U Hand-operated clamping device
06/02/2010CN201493847U Clamping mechanism
06/02/2010CN101718177A Horizontal automatic tube-arranging device
06/02/2010CN101718168A Travelling mechanism applicable to device for rebuilding well head with fire of oil and gas well
06/01/2010US7726929 Pipe handling boom pretensioning apparatus
06/01/2010US7726418 Method and apparatus for adding a tubular to drill string with diverter
06/01/2010US7726394 Stabilizer for pipe handling equipment
06/01/2010CA2560461C Modular design for downhole ecd-management devices and related methods
06/01/2010CA2444446C Multi-position height adjustment system for a pipe handling apparatus
05/2010
05/28/2010CA2688802A1 Bearing assembly comprising woven synthetic fibres
05/28/2010CA2686660A1 Method and system for monitoring the efficiency and health of a hydraulically driven system
05/28/2010CA2686502A1 Method and system for controlling tongs make-up speed and evaluating and controlling torque at the tongs
05/27/2010WO2010059063A1 Device, method and use for transfer of equipment for a wireline operation in a well
05/27/2010WO2010030190A3 Deep water well intervention system
05/27/2010US20100126734 Method and Apparatus for Retrieving and Installing a Drill Lock Assembly for Casing Drilling
05/26/2010EP2189619A1 Adjustable Pipe Guide for Use with an Elevator and/or a Spider
05/26/2010EP2189618A2 Apparatus for gripping a tubular on a drilling rig
05/26/2010CN201486527U Weight drop mechanical-control doorframe-type petroleum pumping unit
05/26/2010CN201486490U Vehicle-mounted continuous-tube roller
05/26/2010CN201486489U Injection head chain anti-shake roller device
05/26/2010CN201486488U Differential motion compounding and compensation mechanism of continuous oil pipe pipe-racker
05/26/2010CN201486487U Mechanical anti-jacking device
05/26/2010CN201486486U Novel hydraulic unloading polished rod eye
05/26/2010CN201486485U Anti-collapse device for hanger of casing head of oil well
05/26/2010CN201486484U One-rotation and three-movement operation platform used for continuous oil pipe injection head
05/26/2010CN101715505A Arrangement for employing drill steel centralizer travelling on feed beam of rock drill machine
05/26/2010CN101004129B Bidirectional hydraulic pressure pipe slips
05/25/2010US7721798 Wireline entry sub
05/25/2010CA2539319C Automatic false rotary
05/20/2010WO2010056385A1 Permanent magnet direct drive top drive
05/20/2010WO2010055334A1 Methods and associated apparatus of constructing and installing rigid riser structures
05/20/2010WO2010055172A2 Vessel for operating on underwater wells and working method of said vessel
05/19/2010EP2186993A1 Vessel for operating on underwater wells and working method of said vessel
05/19/2010EP2185786A2 Well access line positioning assembly
05/19/2010CN201474636U Shackle device
05/19/2010CN201474635U Oil pipe hydraulic power unscrewing device
05/19/2010CN201474634U Chuck system with fastener for drilling machine
05/19/2010CN201474633U Breakage-prevention suspension rope device
05/19/2010CN201474623U Multi-edge oil-pumping rod connecting hoop and special tool thereof
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