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)
04/2012
04/17/2012US8157021 Chisel adapter
04/17/2012US8157013 Tensioner system with recoil controls
04/17/2012US8157002 Slip ring apparatus for a rotary steerable tool
04/17/2012CA2669750C Annular electrical wet connect
04/17/2012CA2615820C Downhole tool with pivotally mounted extendable assembly
04/17/2012CA2557513C Improved shoe
04/17/2012CA2545585C Clamping well casings
04/17/2012CA2467899C Thread integrity feature for expandable connections
04/17/2012CA2419672C Multiple tube structure
04/15/2012CA2755609A1 Downhole extending ports
04/15/2012CA2718042A1 Hydraulic disconnect
04/12/2012WO2012048157A2 Magnetic leak management apparatus and methods
04/12/2012WO2012047910A2 Tension buoyant tower
04/12/2012WO2012047739A1 Pipe connector
04/12/2012WO2012047431A2 Orientable eccentric downhole assembly
04/12/2012WO2012045698A1 Pipe and pipe assembly provided with layers of electrically conductive material for conveying substances
04/12/2012WO2012015641A3 Installation of tubular strings with lines secured thereto in subterranean wells
04/12/2012WO2012012105A3 High temperature pothead
04/12/2012WO2012003084A3 Installation system with force generating tool
04/12/2012WO2011148288A3 System and method for straightening tubing
04/12/2012US20120088588 Sucker rod
04/12/2012US20120085544 Marine subsea free-standing riser systems and methods
04/12/2012CA2813019A1 Pipe and pipe assembly provided with layers of electrically conductive material for conveying substances
04/11/2012EP2438311A2 Riser floatation with anti-vibration strakes
04/11/2012CN202190049U 电缆连接座 Cable Connection Block
04/11/2012CN202187731U 抽油机井碰校装置 Correction means pumping wells touch
04/11/2012CN202187730U 油管旋转器 Tubing rotators
04/11/2012CN202187729U 一种隔热管扶正器 A thermal barrier pipe centralizers
04/11/2012CN202187728U 旋转连接钻杆接头 Rotary tool joint connection
04/11/2012CN202187727U 冲击钻钻杆连接装置 Impact drill drill pipe connecting device
04/11/2012CN202187726U 一种锥形钎杆 One kind of cone drill rod
04/11/2012CN202187725U Continuous thermal insulation oil tube
04/11/2012CN202187724U 一种套损井修复、侧钻完井用无接箍小套管管柱 One kind of casing damage repair, lateral drilling and completion with no small casing string couplings
04/11/2012CN102409985A 一种高强度小泵脱接器 A high-intensity small pump off connector
04/11/2012CN102409984A 一种环式钻杆接头耐磨带 A cyclic-type drill pipe joints hardband
04/11/2012CN102409241A 石油套管用钢、石油套管及其制造方法 Oil casing steel, oil casing and its manufacturing method
04/11/2012CN102409240A 抗硫化氢腐蚀石油钻杆用钢及其制造方法 Hydrogen sulfide corrosion resistant steel drill pipe and its manufacturing method
04/11/2012CN102409229A N80q级别直缝电阻焊石油套管及其制造方法 N80q level straight seam resistance welding oil casing and its manufacturing method
04/10/2012US8151906 Microtunnelling system and apparatus
04/10/2012US8151893 Sleeve assembly for downhole tools
04/10/2012US8151461 Method for producing a threaded tubular connection sealed by radial expansion
04/10/2012CA2671423C Expandable reamers for earth-boring applications and methods of using the same
04/05/2012WO2011139918A3 System and method for an automatically adjusting force engine and assisted storage
04/05/2012WO2011099869A3 A method of installing a flexible, elongate element
04/05/2012US20120080231 Remotely controlled apparatus for downhole applications and related methods
04/05/2012US20120080195 Drilling Composition, Process for its Preparation, and Applications Thereof
04/05/2012US20120080186 Apparatus and system for processing solids in subsea drilling or excavation
04/05/2012US20120080184 Apparatus and method for evaluating a wellbore, in particular a casing thereof
04/04/2012EP2435655A2 Method and system for transferring signals through a drill pipe system
04/04/2012EP2435634A1 Modular system of multi-purpose rods for drilling soil
04/04/2012EP2150675B1 Cable protector
04/04/2012EP2147185B1 Pipe coupling
04/04/2012CN202181880U Steel continuous oil pumping tube oil extraction device
04/04/2012CN202181861U 多功能方接头稳定器 Multifunction connector stabilizer
04/04/2012CN202181860U 螺杆泵井抽油杆井下轴向力承载装置 Well screw downhole sucker rod thrust bearing device
04/04/2012CN202181859U 带有双台肩的螺纹连接的石油钻杆接头 Oil drill with double shoulder threaded joints
04/04/2012CN202181858U 螺杆泵光杆防沉降接箍 Screw coupling rod anti-settlement
04/04/2012CN202181857U 多功能安全接头 Multifunctional safety joint
04/04/2012CN202181856U 一种工程钻机用钻杆 An engineering drill rigs
04/04/2012CN202181855U 高耐磨复合油管 High wear-resistant composite tubing
04/04/2012CN102400652A 一种自适应地层环境的管鞋 An adaptive formation environment shoe
04/04/2012CN102400651A 一种深井泵及电缆防磨扶正机构 One kind of deep well pump and cable wear righting mechanism
04/04/2012CN102400650A Drilling tool
04/04/2012CN102400649A 钢圈复合橡胶密封圈 Rims composite rubber seals
04/04/2012CN102400645A 一种连续油管导向工具机械部分 A continuous tubing guide tool mechanical part
04/03/2012US8146959 Fatigue resistant pipe string component
04/03/2012US8146653 Articulated extraction pipe
04/03/2012CA2668152C Offshore universal riser system
04/03/2012CA2511362C Deep water flexible riser protection
04/03/2012CA2484540C A thread joint for a drill string for percussive rock-drilling
04/03/2012CA2425036C Sealed multilateral junction system
03/2012
03/29/2012WO2012040275A2 Step-to-step wedge thread connections and related methods
03/29/2012WO2012039700A1 High torque, flexible, dual, constant velocity, ball joint assembly for mud motor used in directional well drilling
03/29/2012WO2012038468A1 Contactless data communications coupling
03/29/2012WO2012012024A3 Outer casing string and method of installing same
03/29/2012US20120073876 Apparatus and Method for Drilling Wellbores
03/29/2012US20120073803 Dual rotary centralizer for a borehole
03/29/2012US20120073802 Complex tool for well monitoring
03/29/2012DE10020388B4 Bohrgestänge mit Gewindeverbindung Drill pipe with threaded connection
03/29/2012CA2812134A1 Step-to-step wedge thread connections and related methods
03/29/2012CA2811365A1 Contactless data communications coupling
03/28/2012EP2432965A1 Threated connection for drilling and operating hydrocarbon wells
03/28/2012EP2432964A2 Method of protecting a flexible riser and an apparatus therefor
03/28/2012EP1781894B1 Downhole device
03/28/2012CN202176297U 多级悬挂复合型四通 Stone complex multi-stage suspension
03/28/2012CN202176295U Adjustable centering sheet type drift well gauge for well testing
03/28/2012CN202176280U 高耐磨螺旋肋骨钻杆 High wear-resistant spiral rib drill
03/28/2012CN202176279U 一种扎带捆绑式管线保护器 One kind of tie bundled pipeline protection
03/28/2012CN202176278U 分体式螺旋稳定器 Split spiral stabilizer
03/28/2012CN202176277U 一种自润滑同曲率陶瓷复合油杆扶正器 A self-lubricating oil with the curvature of the ceramic composite rod centralizer
03/28/2012CN202176276U 一种凿岩钎杆套环 One kind of rock drill rod collar
03/28/2012CN202176275U 一种防止流场诱导腐蚀并提高密封性的api油套管螺纹联接结构 A method of preventing the flow field induced corrosion and improve sealing api oil casing screw connection structure
03/28/2012CN202176274U 一种双金属复合油套管气密封螺纹联接结构 A dual-metal composite tubing and casing gas seal threaded coupling structure
03/28/2012CN202176273U 高温高压石油套管螺纹接头 High temperature and high pressure oil casing threaded joints
03/28/2012CN202176272U 一种新型石油钻铤接头 A new oil drill collar joints
03/28/2012CN202176271U 一种瓦斯抽放孔用风钻及其文丘里管接头 One kind of gas drainage hole with a pneumatic drill and a venturi tube fittings
03/28/2012CN202176270U 高强度、高密封性、防粘扣油套管接头 High strength, high sealing, oil spigot release buckle
03/28/2012CN202176269U 一种多功能防突钻杆 A multifunctional outburst prevention drill
03/28/2012CN202176268U 无吊卡非开挖钻杆 No elevator trenchless drill
03/28/2012CN102395747A Tubular component for drilling and operating hydrocarbon wells, and resulting threaded connection
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