| 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) |
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| 09/07/2011 | CN201963225U 一种行走旋转装置 One kind of walking rotary device |
| 09/07/2011 | CN201963224U 适用于中深孔接杆钻进的盘式钻杆库 Applicable to the connecting rod disc drill hole drilling library |
| 09/07/2011 | CN201963223U 一种外扩型卡瓦座锁紧装置 One kind of external expansion-type slip seat locking device |
| 09/07/2011 | CN201963222U 旋挖钻机防过放装置 Rotary drilling rig against excessive discharge device |
| 09/07/2011 | CN201963221U 一种自动吊卡装置 An automatic elevator system |
| 09/07/2011 | CN201963220U 丛式井修井模块 Cluster wells workover module |
| 09/07/2011 | CN201963219U 带有蓄能器的多液缸电动蓄能修井机 Multi-cylinder with an electric accumulator accumulator workover |
| 09/07/2011 | CN201963218U 一种顺槽皮带回收装置 One kind of trough belt Recovery |
| 09/07/2011 | CN201963212U 钢制抽油杆、抽油杆组和管钳 Steel rod, rod and tube clamp group |
| 09/07/2011 | CN201963196U 路面钻孔机 Pavement Drills |
| 09/07/2011 | CN102174879A Kelly board tubular column arrangement system and operation method thereof |
| 09/07/2011 | CN101487380B Vehicle-mounted full-automatic under-pressure minor overhaul operation combined unit and its construction method |
| 09/06/2011 | US8011858 Ram style tensioner with fixed conductor and floating frame |
| 09/06/2011 | US8011426 Method of gripping a tubular with a tubular gripping mechanism |
| 09/01/2011 | WO2011106513A2 Permanent cable for submersible pumps in oil well applications |
| 09/01/2011 | WO2011103674A1 Wellbore tubular handling system |
| 09/01/2011 | US20110209877 Apparatus for, and method of, landing items at a well location |
| 09/01/2011 | CA2790881A1 Drilling system and method of operating a drilling system |
| 09/01/2011 | CA2790623A1 Wellbore tubular handling system |
| 09/01/2011 | CA2790509A1 Permanent cable for submersible pumps in oil well applications |
| 09/01/2011 | CA2789934A1 Pressure-activated valve for hybrid coiled tubing jointed tubing tool string |
| 08/31/2011 | EP2362061A2 Oil and gas riser spider with low frequency antenna and corresponding method |
| 08/31/2011 | EP2362021A1 A turning arrangement for turning an elongated element, method and uses of the turning arrangement |
| 08/31/2011 | EP2153013B1 Method and apparatus to position and protect control lines being coupled to a pipe string on a rig |
| 08/31/2011 | CN201956709U 修井机蓄电池组充放电的控制装置 Control device workover battery charge and discharge |
| 08/31/2011 | CN201953376U Tubing coupling detecting device |
| 08/31/2011 | CN201953328U 一种钻机的钻杆导向机构 One kind of rig drill guide body |
| 08/31/2011 | CN201953327U 具低档上扣自动卸荷功能的动力大钳 A power button on the automatic unloading function low tongs |
| 08/31/2011 | CN201953326U 抽油机传动钢丝绳卡子 Pumping transmission wire rope clips |
| 08/31/2011 | CN201953325U 一种矿井提升系统用扁尾绳板卡 In mine hoisting system boards with flat tail rope |
| 08/31/2011 | CN201953324U 通井机高压油泵与气泵联接器 Hoist high-pressure pumps and pump coupling |
| 08/31/2011 | CN201953323U 海洋石油钻井平台模块钻机新型猫道 Offshore Oil Rig Drilling Platform Module novel Catwalk |
| 08/31/2011 | CN201953308U 高速液压钻机 High-speed hydraulic drilling rig |
| 08/31/2011 | CN102168533A Central support for inserting geological drilling casing |
| 08/31/2011 | CN102168532A Novel rapidly-screwing clamp |
| 08/31/2011 | CN102167266A Main winch rapid-descent and confluent return oil regeneration system of rotary drilling rig |
| 08/30/2011 | US8006773 Swellable packer construction for continuous or segmented tubing |
| 08/30/2011 | US8006765 Well servicing tool storage system for subsea well intervention |
| 08/30/2011 | US8006753 Hydraulic connector apparatuses and methods of use with downhole tubulars |
| 08/30/2011 | US8006752 Guide tube for continuous rod |
| 08/30/2011 | US8006751 Automated system for positioning and supporting the work platform of a mobile workover and well-servicing rig |
| 08/30/2011 | US8006590 Open-faced rod spinner |
| 08/25/2011 | US20110206459 Appatus and methods for forming and using subterranean salt cavern |
| 08/24/2011 | CN201943668U 采油车控制装置 Oil vehicle control device |
| 08/24/2011 | CN201943623U 海洋油气生产平台修井用油管液压顶升解卡装置 Offshore oil and gas production platforms with tubing workover hydraulic jacking Xie card device |
| 08/24/2011 | CN201943613U 一种液压装配机 A hydraulic assembly machine |
| 08/24/2011 | CN201943612U 水井钻机提升下压装置 Water well drilling rig lifting device under pressure |
| 08/24/2011 | CN201943611U 修井机钢丝绳收放装置 Workover rig rope retractable device |
| 08/24/2011 | CN201943575U 一种大马力履带式通井机滚筒支架总成 One kind of high-powered crawler tractor hoist drum bracket assembly |
| 08/24/2011 | CN102162341A Hydraulic drive claw installation tool |
| 08/24/2011 | CN102162340A Using method for connection structure of high-airtight seal buttress thread casing pipe |
| 08/24/2011 | CN101397892B Iron driller |
| 08/24/2011 | CN101243237B Pipe running tool having a primary load path |
| 08/23/2011 | US8002043 Slotted thread protection device |
| 08/23/2011 | US8002028 Hydraulic connector apparatuses and methods of use with downhole tubulars |
| 08/23/2011 | US8002027 Method of running a pipe string having an outer diameter transition |
| 08/23/2011 | CA2540718C Method and apparatus for controlling the ascent and descent of pipe in a well bore |
| 08/23/2011 | CA2519365C System and method for treating drilling mud in oil and gas well drilling applications |
| 08/18/2011 | US20110200413 Drilling apparatus |
| 08/18/2011 | US20110200412 Pipe Handling Apparatus and Method |
| 08/18/2011 | US20110198431 Method to improve brake closing response time |
| 08/18/2011 | US20110198098 Apparatus and method for facilitating the connection of tubulars using a top drive |
| 08/18/2011 | US20110198078 Formation evaluation instrument and method |
| 08/18/2011 | US20110198073 Apparatus and methods for facilitating the connection of tubulars using a top drive |
| 08/18/2011 | US20110197715 Method for accurately measuring applied torque in a hydraulic breakout machine and a hydraulic breakout machine that measures applied torque |
| 08/17/2011 | EP2356307A1 Permanent magnet direct drive top drive |
| 08/17/2011 | EP1888871B1 Casing and drill pipe filling and circulation apparatus |
| 08/17/2011 | CN201934093U 新型抽油机悬绳器 The new pumping hanging rope |
| 08/17/2011 | CN201934090U 液压测井绞车的智能控制系统 Intelligent control system of hydraulic logging winches |
| 08/17/2011 | CN201934040U 高扭矩快速旋扣装置 Quick spinner means high torque |
| 08/17/2011 | CN201934039U 液压拆装架360°旋扣钳 Hydraulic removable rack 360 ° spinner pliers |
| 08/17/2011 | CN201934038U 对称式钻杆夹持机构 Symmetric drill clamping mechanism |
| 08/17/2011 | CN201934037U 推进跟管机构 Advance with the regulatory body |
| 08/17/2011 | CN201934036U 可换压砣式抽油杆吊卡 Interchangeable weight model sucker Elevators |
| 08/17/2011 | CN201934035U 分叉型抽油杆悬挂装置 Bifurcation rod suspension |
| 08/17/2011 | CN102155172A Floating clamping device for injection head of continuous oil pipe |
| 08/17/2011 | CN102155156A High-speed hydraulic drilling machine |
| 08/17/2011 | CN102155150A Crushing mechanism with gas inlet pipe |
| 08/17/2011 | CN101382047B Tractor hoist with speed adjusted by super capacitance set storage type generator |
| 08/17/2011 | CN101137818B Rock drilling device and drill rig incorporating a device for measuring the location of the drilling machine |
| 08/17/2011 | CN101076651B Method for casing drilling and drilling unit |
| 08/16/2011 | US7997347 Mobile coiled tubing straightening tool |
| 08/16/2011 | US7997334 Apparatus and method |
| 08/16/2011 | US7997333 Segmented bottom guide for string elevator assembly |
| 08/16/2011 | CA2613080C Embedded flex-lock slip liner hanger |
| 08/16/2011 | CA2561075C Articulated drillstring entry apparatus and method |
| 08/16/2011 | CA2488106C Deep-well, continuous-coiled-tubing apparatus and method of use |
| 08/11/2011 | WO2011097380A1 System and metod for conducting drilling and coring operations |
| 08/11/2011 | WO2011018614A3 A transportation cradle for tubular goods |
| 08/11/2011 | US20110194817 Spoolable signal conduction and connection line and method |
| 08/11/2011 | US20110192600 Precision low flow rate fluid delivery system and methods for controlling same |
| 08/10/2011 | EP2352897A1 Method to stop wellbore fluid leakage from a spoolable wellbore intervention rod |
| 08/10/2011 | EP1751390B1 Apparatus and method for modified horizontal directional drilling assembly |
| 08/10/2011 | CN201924848U 钻杆动力钳移送调速装置 Drill Pipe Power Tongs transfer speeder |
| 08/10/2011 | CN201924847U 油田井架送管机的管件举升装置 Oil derrick pipe feeding tube machine lifting device |
| 08/10/2011 | CN201924846U 钻井用多功能气动卡瓦 Multifunction pneumatic drilling slips |
| 08/10/2011 | CN201924845U 吊放钻杆快速卡头 Dipping quick drill chuck |
| 08/10/2011 | CN201924844U Drill rod elevator of rotary drilling rig |
| 08/10/2011 | CN102146775A Automatic operation system for oil well operation |
| 08/10/2011 | CN102146774A Movable oil pipe box for oil/water well operation |