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)
05/2012
05/23/2012CN102472083A 海上钻井系统 Offshore Drilling System
05/23/2012CN102465677A 卡瓦夹紧式抽油杆防喷器 Kava clamping rod BOP
05/23/2012CN102465674A 一种液力套管钳鄂板 One kind of jaw hydraulic casing tongs
05/23/2012CN101812978B Inclined wedge type clamp
05/23/2012CN101624896B Double power head drilling equipment
05/23/2012CN101509358B Tube fitting pressing device
05/22/2012US8181717 Power tool with battery pack ejector
05/22/2012US8181707 Apparatus and methods to protect connections
05/22/2012US8181700 System and method of displacing fluids in an annulus
05/17/2012US20120121364 Apparatus and method for handling pipe
05/17/2012US20120118639 Apparatus and method for handling pipe
05/17/2012US20120118566 Non-hydraulic fracturing systems, methods, and processes
05/17/2012US20120118563 Isolating wet connect components for deployed electrical submersible pumps
05/16/2012EP2220337B1 Logging tool deployment systems and methods with pressure compensation
05/16/2012EP2100001B1 Top drive apparatus and method for gripping a tubular
05/16/2012CN202220568U Drill rod leaning post mechanism
05/16/2012CN202220567U Multi-stage equal-thrust-force sleeve oil cylinder for drilling machine feed mechanism
05/16/2012CN202220562U Hand-type thruster for supporting electric coal drill
05/16/2012CN102459804A 钻杆操作装置 Drill operating device
05/16/2012CN102454371A Overpull indicator
05/15/2012US8177023 Sound dampening housing for rock drill
05/15/2012US8176985 Well drilling and production using a surface blowout preventer
05/15/2012US8176976 Lubricator for use with coiled tubing apparatus and universal rig having coiled tubing and top drive capability
05/15/2012CA2725059C Controlling backflow pressure during retrieval of bottom hole assembly
05/15/2012CA2448841C Pipe handling device, method and system
05/12/2012CA2720802A1 An apparatus and method for handling pipe
05/10/2012WO2012061506A2 A drilling system and a device for assembling and disassembling pipe stands
05/10/2012WO2012061111A1 Riser for coil tubing/wire line injection
05/10/2012WO2012060920A1 Apparatus and method for reducing the residual bending and fatigue in coiled tubing
05/10/2012WO2011104516A3 Pressure-activated valve for hybrid coiled tubing jointed tubing tool string
05/10/2012US20120111581 Apparatus and method for reducing the residual bending and fatigue in coiled tubing
05/10/2012US20120111556 Casing Spears and Related Systems and Methods
05/10/2012US20120111155 Device and method for rotation of torque tong
05/10/2012US20120111154 Centring means in a rotary tong
05/10/2012CA2815795A1 Riser for coil tubing/wire line injection
05/09/2012EP2450524A1 Top drive system
05/09/2012EP2324188B1 Tube/pipe spooling device
05/09/2012CN202215675U Transfer case for workover rig and workover rig
05/09/2012CN202215168U Upper buckle auxiliary apparatus of oil pipe hanger
05/09/2012CN202215167U Elevator anti-release device for oil drilling
05/09/2012CN202215166U Adjustable oil pipe support
05/09/2012CN102449259A Pipe stand transfer systems and methods
05/09/2012CN101781974B Clamp of dynamic clamp
05/08/2012US8172497 Raise-assist and smart energy system for a pipe handling apparatus
05/08/2012US8172000 Method for feeding control lines for drilling or workovers
05/08/2012US8171991 Drillstring swivel torque monitor
05/08/2012US8171989 Well having a self-contained inter vention system
05/08/2012CA2679575C Top drive apparatus
05/08/2012CA2536945C Ac coiled tubing rig with automated drilling system
05/03/2012WO2012058543A2 Drum assembly and method of assembling the drum assembly
05/03/2012WO2012056133A1 Modular device for the storage and handling of a plurality of flexible pipes
05/03/2012WO2012056132A1 Ship having a bridge comprising a cavity with a built-in rotary plate
05/03/2012WO2011114111A3 Injector head
05/03/2012WO2011104279A3 Drilling system and method of operating a drilling system
05/03/2012US20120107083 Single joint elevator having deployable jaws
05/03/2012US20120104674 Hydraulic clamping device
05/03/2012US20120103633 Enclosed coiled tubing boat and methods
05/03/2012US20120103632 Method and Apparatus for Conducting Earth Borehole Operations
05/03/2012US20120103631 Gravel Pack Inner String Adjustment Device
05/03/2012US20120103630 Alignment of bop stack to facilitate use of a rotating control device
05/03/2012US20120103623 Tubulars storage and handling system
05/02/2012EP2447464A2 Continuous Rod Transport System
05/02/2012EP2447463A1 Platform slot recovery
05/02/2012CN102434118A Centering mechanism of casing oscillating drilling machine
05/02/2012CN102434117A Drill rod assembling and disassembling mechanical arm of myriameter well drill
05/02/2012CN102434116A Nitrogen spring type hydraulic chuck
05/02/2012CN102434111A Hydraulically-driven two-stage-feed dovetail-groove-guide symmetrically-arranged anchor rod drilling machine
05/02/2012CN102434091A Rotary drilling rig, power head shock absorption system and shock absorption method thereof
05/01/2012US8167052 System and method for delivering a cable downhole in a well
05/01/2012US8167050 Method and apparatus for making up and breaking out threaded tubular connections
04/2012
04/27/2012CA2756358A1 Continuous rod transport system
04/26/2012WO2012054891A1 Ice worthy jack-up drilling unit with conical piled monopod and sockets
04/26/2012WO2012054858A1 Ice worthy jack-up drilling unit with pre-loading tension system
04/26/2012WO2012054808A1 Leg ice shields for ice worthy jack-up drilling unit
04/26/2012WO2012054793A1 Ice worthy jack-up drilling unit with telescoping riser
04/26/2012US20120097454 Apparatus and Method of Handling Rod-Shaped Components
04/26/2012US20120097451 Electrical controller for anti-stall tools for downhole drilling assemblies
04/26/2012US20120097402 Tubular handling device and methods
04/26/2012US20120097399 Expandable anchoring mechanism
04/26/2012US20120097390 System for remediating a wellbore annulus
04/26/2012CA2813426A1 Ice worthy jack-up drilling unit with pre-loading tension system
04/26/2012CA2811946A1 Ice worthy jack-up drilling unit with conical piled monopod and sockets
04/26/2012CA2811936A1 Ice worthy jack-up drilling unit with telescoping riser
04/26/2012CA2804898A1 Leg ice shields for ice worthy jack-up drilling unit
04/25/2012EP2444588A2 Landing string compensator
04/25/2012EP2443308A2 Drum load monitoring
04/25/2012CN202202829U 连续抽油管设备 Continuous pumping tubing equipment
04/25/2012CN202202828U 井口自动输送装置 Wellhead automatic transmission device
04/25/2012CN102428247A 旋转式爆破孔钻机的活动钳口钻杆定位装置 Activities jaw drill pipe positioning device rotary formula blasting hole drilling rig of
04/25/2012CN102428246A 多柱塞钻机及操作方法 Multi plunger rig and method of operation
04/25/2012CN102425385A 一种组合式潜孔锤加接式钻杆固连机构 A modular add-fit DTH drill pipe is fixedly connected institutions
04/25/2012CN102425384A Ball clamp type torsion resisting hoisting swivel elevator
04/25/2012CN102425383A 模块式提升装置 Modular lifting device
04/25/2012CN102424336A Rotary drilling rig and main winch placing down speed control device thereof
04/24/2012US8162045 Stand compensator
04/24/2012CA2707631C Rod reel and method of repairing a rod string
04/24/2012CA2686295C Guide tube for continuous rod
04/24/2012CA2633182C Apparatus for gripping a tubular on a drilling rig
04/19/2012WO2012051530A2 Tubing grab assembly
04/19/2012WO2012018937A3 Control line installation unit
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