Patents
Sitemap › E21 - Earth or rock drilling; Mining › E21B - Earth or rock drilling; Obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells › E21B 17 - Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings
Patents for E21B 17 - Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings (27,800)
12/2014
12/24/2014CN204040902U 塔式防斜钻具 Tower BHA
12/24/2014CN104246111A 非转动致动的安全接头 Non-rotating actuation of safety joint
12/24/2014CN104246108A 固井造斜器装置和方法 Cementing whipstock apparatus and method
12/24/2014CN104234671A 水聚同井分层同注工艺管柱 Poly water injection process with well layered with strings
12/24/2014CN104234647A 一种井下开启自锁式套管居中装置 A downhole casing centering open self-locking device
12/24/2014CN104234642A 增强型钻杆内螺纹保护套 Enhanced protection within the drill pipe threaded sleeve
12/24/2014CN104234641A 稳定型钻杆保护套 Stable drill protective sleeve
12/24/2014CN104234640A 钻井隔水套管双卡簧式快速连接装置 Casing Drilling double spring type quick connect device
12/24/2014CN104234639A 一种水平井用管柱及水平井 A horizontal wells and horizontal wells with string
12/24/2014CN104234638A 套管完井多段压裂水平井机械找水管柱及其找水方法 Casing multi-stage fracturing completion of horizontal wells to find water column and mechanical methods to find water
12/24/2014CN104228096A 外翻边型钻杆保护套的外翻边生产流水线 Outer flange type drill outer protective sleeve cuffs production lines
12/24/2014CN104228095A 钻杆保护套用板折弯装置 Apply drill protection plate bending device
12/24/2014CN104228076A 外翻边型钻杆保护套生产流水线 Outer flange-type drill pipe protector production line
12/24/2014CN103015894B 一种具有轴向爬行功能的减摩降阻工具 Antifriction a crawl function with axial resistance reduction tool
12/24/2014CN102797422B 煤层气井捞煤粉、排水采气一体化管柱 Fishing pulverized coal bed methane wells, drainage and gas integration string
12/24/2014CN102022088B 插板连接 Flapper connection
12/23/2014US8915315 Drill pipe and corresponding drill fitting
12/23/2014US8915311 Method and apparatus for drilling a zero-radius lateral
12/23/2014US8915304 Traversing a travel joint with a fluid line
12/23/2014US8915302 Manipulatable spider components adapted for cooperation with a vertically reciprocating control line guide
12/23/2014US8915299 Apparatus for use in top filling of tubulars and associated methods
12/18/2014US20140370995 Flexible joint connection
12/18/2014US20140367172 Drill string with aluminum drill pipes, bent housing, and motor
12/18/2014US20140367119 Threaded joint with low tightening torque
12/18/2014US20140367118 Expandable translating joint
12/18/2014US20140367085 Modified tubular
12/17/2014CN204024619U 压裂杆连接装置 Fracturing the rod connecting means
12/17/2014CN204024588U 一种适用于连续循环装置作业的地面管汇结构 A suitable device for the continuous operation of ground loop manifold structure
12/17/2014CN204024580U 一种钻具灌浆接头 One kind of drill grout joints
12/17/2014CN204024552U 采油井作业捞砂装置 Production wells job bailing device
12/17/2014CN204024550U 一种钻井取心组合钻具 One kind of combination of drilling coring drill
12/17/2014CN204024535U 自调偏光杆 Self-adjusting polarized pole
12/17/2014CN204024534U 连续油管防腐导向装置 Coiled tubing corrosion guide
12/17/2014CN204024521U 新型瓦斯抽放孔用螺旋钻杆 The new gas drainage holes spiral drill
12/17/2014CN204024520U 一种用于随钻仪器的套式扶正器 An MWD nested centralizer
12/17/2014CN204024519U 高强度防滑脱抽油杆扶正器 High intensity slip off rod centralizer
12/17/2014CN204024518U 螺杆钻具稳定器 Screw drill stabilizer
12/17/2014CN204024517U 一种弹簧套管扶正器 One kind of spring casing centralizers
12/17/2014CN204024516U 一种石油勘测仪器的扶正器 A petroleum survey instrument centralizer
12/17/2014CN204024515U 一种特殊油管连接装置 A special tubing connection means
12/17/2014CN204024514U 顶部驱动系统方保接头内螺纹式滤网装置 Top drive system Fang Bao nipples, threaded strainer device
12/17/2014CN204024513U 一种新型钻杆 A new drill
12/17/2014CN204024512U 斜井用螺杆泵传动杆调向装置 Inclined to use screw drive rod adjustment device
12/17/2014CN204024511U 钻井仪器用集成短节 Drilling equipment with integrated short section
12/17/2014CN204024510U 顶部驱动系统方保接头内台阶式滤网装置 Top drive system within the joint security stepped square filter device
12/17/2014CN204024509U 一种防抽油杆断裂、卡泵、皮带断裂的卡箍系统 An anti-rod breakage, pump, belt clip system faults
12/17/2014CN204024508U 油管连接免对焊接头 Tubing connections free for welding head
12/17/2014CN204024507U 特种注液转换接头 Special priming adapter
12/17/2014CN204024506U 一种抽油机和抽油杆直接连接装置 One kind of sucker rod pumping unit and directly connected devices
12/17/2014CN204024505U 高抗拉抗推定向穿越专用钻杆 High tensile anti presumed to drill through dedicated
12/17/2014CN204024504U 抽油杆防扭器 Anti-twisting rod
12/17/2014CN204024503U 一种保护油管、套管内壁的阴极保护装置 A tubing, casing wall cathodic protection devices protection
12/17/2014CN204024502U 一种快速插接钻杆 A quick plug drill
12/17/2014CN204024501U 一种可取出的套管结构 One kind of removable sleeve structure
12/17/2014CN204024500U 一种耐高温耐磨防腐复合抽油杆 A high temperature corrosion resistant composite rod
12/17/2014CN204024478U 一种扩底钻头 Belled one kind of drill
12/17/2014CN204022720U 一种耐高温内衬抽油管 Lined with a high temperature pump tubing
12/17/2014CN104220691A 用于进行钻孔和给钻孔布设内衬的设备 Drilling and for drilling equipment used for laid-lined
12/17/2014CN104213853A 用于软硬复合煤层钻进间隔变径螺旋钻杆 For soft and hard composite seam drilling interval adjustable screw drill
12/17/2014CN104213852A 一种油井防偏磨用扶正器下入位置的确定方法 The method used to determine the location of an oil well under the centralizer sucker
12/17/2014CN104213851A 旋挖钻机潜孔破岩钻油管回转接头孔底止转装置 Rotary drilling rig DTH broken rock drill holes up to the end hose swivel joint rotation device
12/17/2014CN104213850A 一种连续管用连接器及增加连接强度的方法 A continuous pipe connector and increase the bonding strength of a
12/17/2014CN104213849A 一种挖掘机钻杆总成中的芯杆加强结构 One kind of excavator assembly of the core drill rod reinforcing structure
12/17/2014CN104213848A 一种用于带压管道或钻杆开孔的弧形密封装置及使用方法 An arc-shaped seal with pressure pipe or drill holes and the use of methods for
12/17/2014CN104213847A 一种油井防偏用内衬油管下入井段的确定方法 An anti-bias method for determining the well-lined tubing into the well under the section with
12/17/2014CN104213846A 套管完井多段压裂水平井选择性开采管柱及其工作方法 Casing multi-stage fracturing horizontal wells completion selective extraction column and its working methods
12/17/2014CN104213845A 液压释放伸缩管 Hydraulic telescopic tube release
12/17/2014CN104212128A 一种新型的抽油杆扶正器及制备方法 A new rod stabilizer and preparation methods
12/17/2014CN103147696B 一种用于吸收钻杆冲击振动的钻杆保护器 Drill pipe protector for absorbing shock and vibration of the drill
12/17/2014CN103015910B 旋转密封式钻扩转换装置 Sealed rotary drilling expansion conversion device
12/17/2014CN101680276B 具有损耗元件的导杆接头 Guide rod has a loss component connectors
12/16/2014US8913863 Reduced nylon hydrocarbon application cable
12/11/2014US20140365129 Oilfield equipment identification method and apparatus
12/11/2014US20140361530 Threaded tubular component and method for coating such a threaded tubular component
12/11/2014US20140360788 Nonmagnetic material for producing parts or coatings adapted for high wear and corrosion intensive applications, nonmagnetic drill string component, and method for the manufacture thereof
12/10/2014CN204002763U 一种石油测井用母湿接头 A petroleum well logging wet with female connector
12/10/2014CN204002756U 一种石油测井用公湿接头 A petroleum well logging wet with male connector
12/10/2014CN204002746U 连续油管无限级压裂滑套 Coiled tubing fracturing sleeve unlimited class
12/10/2014CN204002743U 免作业蒸汽吞吐采油工艺管柱 Oil-free operation of steam stimulation process column
12/10/2014CN204002645U 一种岩心钻机夹持器 One kind of core drilling rig holder
12/10/2014CN204002624U 螺杆泵连续杆扶正防偏磨装置 Screw continuous sucker rod centralizer device
12/10/2014CN204002623U 一种抽油杆防偏磨及除蜡装置 One kind of sucker rod and wax device
12/10/2014CN204002622U 电缆保护器 Cable Protectors
12/10/2014CN204002621U 抽油机光杆防卡缓冲器 Anti-card buffer rod pumping unit
12/10/2014CN204002620U 一种采油作业辅助工具 An oil recovery job aids
12/10/2014CN204002619U 一种扶正器 One kind centralizer
12/10/2014CN204002618U 半刚性扶正器 Semi-rigid centralizer
12/10/2014CN204002617U 煤层气井用抽油杆防偏磨装置 CBM wells sucker rod device
12/10/2014CN204002616U 高密封海洋石油钻杆接头 High sealing offshore oil drill pipe joints
12/10/2014CN204002615U 特殊扣型石油钻杆接头 Special buckle type oil drill pipe joints
12/10/2014CN204002614U 一种耐磨石油钻杆接头 A wear-resistant oil drill pipe joints
12/10/2014CN204002613U 钻具传扭机构、钻具和旋挖钻机 Biography twist drill agencies, drilling and rotary drilling rig
12/10/2014CN204002612U 一种钻杆钻具扭矩离合器 One kind of drill drill clutch torque
12/10/2014CN204002611U 钻机钻杆联轴器 Drill rig couplings
12/10/2014CN204002610U 螺杆泵转子防倒转装置 Ratchet screw rotor device
12/10/2014CN204002609U 一种油管、套管密封连接扣 One kind of tubing, casing seal connection buckle
12/10/2014CN204002608U 全通径可传递扭矩的液压丢手安全接头 Full Bore can transmit torque hydraulic throw hand safety joint
12/10/2014CN204002607U 一种具有抗金属台肩腐蚀的气密封油管螺纹连接结构 Gas seal tubing threaded connection with anti-corrosive metal shoulder
12/10/2014CN204002606U 一种可倒扣式抽油杆防脱器 One kind of rod can fall off prevention device button
12/10/2014CN204002605U 钻机钻杆联轴器与主轴连接结构 Drill rig coupling and shaft connecting structure
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