Patents for E21B 17 - Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings (27,800) |
---|
01/04/2012 | CN102305027A Anti-corrosion thermal-proof oil pipe with thermal barrier coating on surface for thermal recovery of thick oil |
01/04/2012 | CN102305026A Special-shaped drill pipe for geological exploration and processing method thereof |
01/04/2012 | CN102305022A Salvage-type casing pipe drilling tool for drilling |
01/04/2012 | CN102305020A Drilling system for shallow drilling |
01/04/2012 | CN101984191B High pressure jet grouting pile driving machine |
01/04/2012 | CN101935808B 130ksi steel-grade low-temperature drill rod with high toughness and corrosion resistance and manufacturing method thereof |
01/04/2012 | CN101832382B Driving device |
01/04/2012 | CN101103175B Gravel pack shut tube with control line retention and method for retaining control |
01/03/2012 | US8087479 Drill bit with an adjustable steering device |
01/03/2012 | US8087466 Centralization and running tool and method |
01/03/2012 | CA2707738C Riser rotating control device |
01/03/2012 | CA2645046C Dry fiber wrapped pipe |
01/03/2012 | CA2580177C Rotating control head radial seal protection and leak detection systems |
01/03/2012 | CA2474998C Well system |
01/01/2012 | CA2719445A1 Device and method for improving liquid removal from gas, condensate & oil wells when using a multi-channel system |
12/29/2011 | WO2011083311A3 Downhole tool releasing mechanism |
12/29/2011 | WO2011064591A3 Riser configuration |
12/29/2011 | WO2011063976A3 Threaded connection |
12/29/2011 | US20110318110 Free standing steel catenary risers |
12/29/2011 | US20110318088 Cable head for petroleum logging |
12/29/2011 | US20110315400 Tubular positioning system and method of selectively positioning tubulars |
12/29/2011 | US20110315378 Insulating or modified conductivity casing in casing string |
12/29/2011 | US20110315261 Labeled drill pipe |
12/28/2011 | EP2398996A2 Apparatus and method for controlling the connection and disconnection speed of downhole connectors |
12/28/2011 | EP2398995A2 Stabilizer assemblies with bearing pad locking structures and tools incorporating same |
12/28/2011 | EP2158378B1 Low -clearance centralizer and method of making centralizer |
12/28/2011 | EP2156004B1 Disconnectable riser-mooring system |
12/28/2011 | CN202094588U 一种海上平台用悬挂式电缆移动装置 One kind of offshore platforms with cables hanging mobile devices |
12/28/2011 | CN202090896U 防堵器 Attempts to prevent the device |
12/28/2011 | CN202090894U 卡瓦提拉式泄油器 Kava uplifting bleeder |
12/28/2011 | CN202090883U 平衡式无卡瓦堵水管柱 No kava shutoff balanced column |
12/28/2011 | CN202090858U 带有加厚段的耐磨钻铤 Wear-thick sections with drill collars |
12/28/2011 | CN202090857U 一种新型抽油杆扶正器 A new rod stabilizer |
12/28/2011 | CN202090856U 一种石油杆管防磨减扭保护器 Less wear a petroleum rod tube twist protection |
12/28/2011 | CN202090855U 非开挖防粘扣导向钻杆接头 Trenchless release buckle guide rod joints |
12/28/2011 | CN202090854U 五英寸以上外加厚非开挖钻杆 More than five inches thick outer trenchless drill |
12/28/2011 | CN202090853U 带应力释放槽的双台肩钻具接头结构 Double shoulder with stress relief of tool joints structure |
12/28/2011 | CN202090852U 一种耐磨抽油杆 A wear-resistant rod |
12/28/2011 | CN202090851U 一种泥浆对注接头 One kind of mud on the Notes Connector |
12/28/2011 | CN202090850U Pipeline connecting piece between thread and conical seal surface with limited circular bead |
12/28/2011 | CN202090849U 防腐防粘扣油套管接箍 Corrosion oil casing collar buckle release |
12/28/2011 | CN202090848U 井下堵水作业管柱 Underground water shutoff string |
12/28/2011 | CN202090847U 加强隔水导管组合结构 Strengthen riser composite structures |
12/28/2011 | CN202090846U 井下用探矿钻杆变径装置 Mine prospecting drill with adjustable device |
12/28/2011 | CN202090845U 一种旋挖机用自动脱销内芯钻杆 One kind of auger drill core with an automatic stock |
12/28/2011 | CN202090833U 一种对钢筋混凝土构筑物水下钻切中所使用的钻孔装置 An underwater drilling of reinforced concrete structures used in drilling device hit |
12/28/2011 | CN102296935A 取心外管高抗扭矩螺纹连接结构 Coring outer tube threaded connection with high resistance torque |
12/28/2011 | CN102296934A 铝合金钻探管及其制造方法 Drilling pipe and method for manufacturing an aluminum alloy |
12/28/2011 | CN102296928A 一种油密封腔压力平衡螺杆钻具传动轴总成 An oil seal chamber pressure balance screw drill shaft assembly |
12/28/2011 | CN102296244A 一种经济型耐腐蚀抽油杆用盘条及其制造方法 An economical corrosion sucker rod with its manufacturing method |
12/28/2011 | CN101575943B 一种液压高速钻机 A hydraulic high-speed drilling rig |
12/27/2011 | US8083440 Riser tensioner restraint device |
12/27/2011 | US8083439 Riser support system for use with an offshore platform |
12/27/2011 | US8083011 Matrix turbine sleeve and method for making same |
12/27/2011 | US8082998 Apparatus and method for controlling the connection and disconnection speed of downhole connectors |
12/27/2011 | US8082988 Apparatus and method for stabilization of downhole tools |
12/27/2011 | US8082987 Hydraulically locking stabilizer |
12/23/2011 | CA2820189A1 Apparatus and method for fluidically coupling tubular sections and tubular system formed thereby |
12/23/2011 | CA2743652A1 A completion assembly and a method of connecting the completion assembly |
12/22/2011 | WO2011159283A1 Installation of lines in high temperature wellbore environments |
12/22/2011 | WO2011159193A1 Hermetically sealed screw-threaded joint for pipes in a drilling installation string |
12/22/2011 | WO2011159165A1 Grinding arrangement for tool joints on a drill string |
12/22/2011 | US20110308813 Tubing shoe |
12/22/2011 | US20110308797 Wireless downhole tool positioning system |
12/22/2011 | US20110308793 High integrity hanger and seal for casing |
12/22/2011 | CA2802403A1 Installation of lines in high temperature wellbore environments |
12/22/2011 | CA2800940A1 Grinding arrangement for tool joints on a drill string |
12/21/2011 | EP2396505A2 Expandable casing with enhanced collapse resistance and sealing capability |
12/21/2011 | CN202081890U 一种多能气举地层测试管柱 A multi-energy gas lift formation testing string |
12/21/2011 | CN202081839U 随钻声波测井隔声装置 LWD sonic acoustic device |
12/21/2011 | CN202081838U 抽油井井口调偏器 Pumping wellhead tune polarizer |
12/21/2011 | CN202081837U 抗应力腐蚀气密封套管螺纹接头 Resistance to stress corrosion hermetically sealed casing nipple |
12/21/2011 | CN202081836U 一种软岩层空心钻杆取样管接口的自锁和解锁装置 A soft rock sampling hollow drill pipe interface self-locking and unlocking device |
12/21/2011 | CN202081835U 瓦斯抽放钻杆 Gas drainage drill |
12/21/2011 | CN202081834U 一种抗扭强度高的套铣管螺纹结构 A set of high torsional strength structural pipe thread milling |
12/21/2011 | CN202081833U 三角圆弧形钢管 Arc-shaped steel triangle |
12/21/2011 | CN202081832U 勘探用通缆钻杆 Exploration drill with through cable |
12/21/2011 | CN102292556A 立管阵列的涡激振动(viv)抑制 VIV riser array (viv) inhibition |
12/21/2011 | CN102290672A 电连接器,特别是用于钻柱的电连接器 An electrical connector, in particular for an electrical connector of the drill string |
12/21/2011 | CN102287219A 一种用于CO<sub>2</sub>气体开采器的连接器 A CO <sub> 2 </ sub> gas extraction device connector |
12/21/2011 | CN102287168A 钢质连续抽油管采油装置 Steel tubing continuous pumping oil equipment |
12/21/2011 | CN102287146A 油管扶正器及使用方法 Tubing centralizer and method of use |
12/21/2011 | CN102287145A 一种凿岩钎杆套环 One kind of rock drill rod rings |
12/21/2011 | CN102287144A 井用管线导向器及其使用方法 Well with the guide lines and methods of use |
12/21/2011 | CN102287143A 一种气密封结构的油/套管螺纹连接接头 An oil seal structure of gas / casing threaded connectors |
12/21/2011 | CN101655004B 热采井专用套管补偿器 Thermal recovery wells special casing compensator |
12/21/2011 | CN101263276B 用于井筒遥测系统的界面和方法 Interface and method for wellbore telemetry system |
12/21/2011 | CN101131091B 井下煤层压风螺旋钻进机具及使用该机具钻孔的方法 Underground coal seam pressure air screw drilling equipment and the use of the method of drilling equipment |
12/20/2011 | US8079419 Apparatus and method for controlling the connection and disconnection speed of downhole connectors |
12/15/2011 | WO2011126359A3 Method for introducing an elongated element, in particular geo-thermal heat exchanger, into the soil |
12/15/2011 | WO2011099852A3 Method for constructing a riser assembly from a vessel and on a seabed |
12/15/2011 | US20110303416 Lower emergency marine riser(lemr) and method of installation preventing catastrophic product spills |
12/14/2011 | EP2395197A2 Sand control screen assembly having control line capture capability |
12/14/2011 | EP2394017A1 Trigger joint |
12/14/2011 | EP2205816B1 Installing an expandable tubular in a subsea wellbore |
12/14/2011 | EP2069603B1 Methods and apparatus for attenuating drillstring vibrations |
12/14/2011 | CN202073553U 井下测井仪器快捷对接工具 Downhole logging tools quick docking tool |
12/14/2011 | CN202073520U 作业现场油管防盗装置 Anti-theft device tubing job site |
12/14/2011 | CN202073512U 一种长效耐磨钻铤 A long-acting wearable collars |
12/14/2011 | CN202073511U 一种钻井用的三棱扶正钻铤 One kind of drilling triangular righting collars |