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)
06/2014
06/19/2014WO2014093103A1 Modular resistivity logging tool systems and methods
06/19/2014WO2014092970A2 Radially-inserted anti-rotation key for threaded connectors
06/19/2014WO2014092949A1 Expandable liner for oversized base casing
06/19/2014WO2014092244A1 Shock-absorbing type vibration breaker
06/19/2014US20140169887 Tensioner latch with pivoting segmented base
06/19/2014US20140166309 Pressure compensation device for thread connections
06/19/2014US20140166308 Anti-Rotation Wedge
06/19/2014US20140166299 Arrangement in a hose connection between a wellhead and a surface installation
06/19/2014US20140166297 Tensioner latch with sliding segmented base
06/19/2014US20140166296 Self-Standing Riser System Having Multiple Buoyancy Chambers
06/18/2014EP2742205A1 Systems and methods for locking swivel joints when performing subterranean operations
06/18/2014EP2742204A2 Method and apparatus for connecting tubulars of a wellsite
06/18/2014CN203655261U 堵水酸化机抽一体化管柱 Acidification machine pumping water shutoff integrated column
06/18/2014CN203655259U 一种海上自升式可洗井分层注水管柱 One kind of offshore jack-stratified water column can be washed well
06/18/2014CN203655242U 堵水深抽一体化管柱 Blocking depth integration pumping column
06/18/2014CN203655181U 一种油管扶正托架 One kind of tubing centralizer bracket
06/18/2014CN203655180U 油井作业维修防护装置 Well Operations Maintenance guards
06/18/2014CN203655179U 可变三个以上直径的液压变径稳定器 Three or more variable-diameter hydraulic adjustable stabilizers
06/18/2014CN203655178U 防带杆装置、钻杆及旋挖钻机 With anti-lever device, drill and rotary drilling rig
06/18/2014CN203655177U 一种机液式可变径稳定器 A mechanism can be adjustable stabilizer liquid formula
06/18/2014CN203655176U 高压水射流割缝钻杆 High-pressure water jet cutting drill
06/18/2014CN203655175U 气密封螺纹接头 Gas seal threaded joints
06/18/2014CN203655174U 一种可拆卸钻杆 A disengageable drill
06/18/2014CN203655173U 一种绳索中深孔钻具锁紧装置 One kind of deep hole drilling rope locking device
06/18/2014CN203655157U 可换片变径稳定器 Interchangeable piece adjustable stabilizer
06/18/2014CN103874822A Drill stem element and corresponding drill pipe
06/18/2014CN103867173A Well-completion pipe column for heat-insulated oil casing and manufacturing method thereof
06/18/2014CN103867171A Production pipe string of electric submersible pump for offshore heavy oil thermal recovery
06/18/2014CN103867162A Thermal production well annulus thermal insulation system and method
06/18/2014CN103867138A Method and structure for improving coal conveying efficiency of auger stem
06/18/2014CN103867137A Sheath protection
06/18/2014CN103867136A Method for improving wear resistance of drill pipe female adapter
06/18/2014CN103867135A Bidirectional protective sucker rod connecting hoop
06/18/2014CN103867134A Sucker rod and manufacturing method thereof
06/18/2014CN103867116A Device of floor-type rotary lifting drilling tool of pile driver
06/18/2014CN103114812B Diamond compact annular concentric simultaneous casing drilling bit and working method thereof
06/18/2014CN102678048B Multi-stage hydraulic punching drill
06/18/2014CN102308057B Offset Stochastic control
06/17/2014US8752635 Downhole wet mate connection
06/17/2014US8752633 Cable protector
06/17/2014CA2727754C An improved seal between pipes
06/17/2014CA2573555C Sucker rod connection with improved fatigue resistance, formed by applying diametrical interference to reduce axial interference
06/17/2014CA2572703C Intervention rod
06/14/2014CA2835675A1 Compressible bearing assembly for downhole tools and methods of operation of same
06/12/2014WO2014089132A1 Tubing movement compensation joint
06/12/2014WO2014088883A2 Rapid make up drive screw adapter
06/12/2014WO2014088823A1 Mitigation of rotational vibration using a torsional tuned mass damper
06/12/2014WO2014088736A1 Expandable tubular and method of making same
06/12/2014WO2014088594A1 Gravel packing apparatus having locking jumper tubes
06/12/2014WO2014088550A1 Packer setting tool
06/12/2014WO2014088420A1 A guiding assembly for a piping system
06/12/2014WO2014087117A1 Lockable swivel apparatus
06/12/2014WO2014086418A1 Loading-offloading buoy for cng operations
06/12/2014WO2014086417A1 Loading-offloading buoy for cng operations
06/12/2014WO2014085894A1 Downhole probe centralizer
06/12/2014WO2013156864A3 Jumper support arrangements for hybrid riser towers
06/12/2014US20140159361 Method and apparatus for connecting tubulars of a wellsite
06/12/2014US20140158433 Valve assembly
06/12/2014US20140158377 Drilling rod and drilling method
06/12/2014US20140158372 Bladder type crimper
06/11/2014EP2739811A2 Compositions, methods of coating wellbore tools with such compositions, and wellbore tools coated with such compositions
06/11/2014CN203640721U 探测具体水位的探水系统 Specific probe to detect water level water systems
06/11/2014CN203640695U 油田采油管柱 Oilfield string
06/11/2014CN203640662U 油井断杆防喷装置 Well off the bar blowout preventer
06/11/2014CN203640641U 一种大斜度井及水平井岩屑床清除装置 One kind of highly deviated wells and horizontal wells cuttings bed cleaning device
06/11/2014CN203640636U 煤矿具体水位的探水钻杆系统 Specific level of coal exploration drill water system
06/11/2014CN203640635U 一种螺杆钻具万向轴壳体耐磨层 A screw universal shaft drill casing wear layer
06/11/2014CN203640634U 一种泄流旋转引鞋 One kind of discharge rotating guide shoe
06/11/2014CN203640633U 一种旋转引鞋 A rotating guide shoe
06/11/2014CN203640632U 抽油杆采油防变形装置 Sucker rod anti-deformation device
06/11/2014CN203640631U 叠盘式稳定器 Stacked disc stabilizer
06/11/2014CN203640630U 抽油机光杆保护器 Pumping rod protection
06/11/2014CN203640629U 一种可变径稳定器 One kind may be adjustable stabilizer
06/11/2014CN203640628U 卡扣式弹性套管扶正器 Snap elastic casing centralizers
06/11/2014CN203640627U 套管液压扶正器 Hydraulic casing centralizer
06/11/2014CN203640626U 井下钻具扶正器 Downhole drill centralizer
06/11/2014CN203640625U 钩式螺纹接头 Hook nipple
06/11/2014CN203640624U 一种水平井打捞工具万向接头连接器 A horizontal well fishing tool universal joint connector
06/11/2014CN203640623U 平台解卡装置 Platform solution card device
06/11/2014CN203640622U 螺杆泵对插式抽油杆 Screw on the plug-in rod
06/11/2014CN203640621U 一种钎杆座 A flux rod seat
06/11/2014CN203640620U 一种一体化钻割钻杆装置 An integrated diamond drill cutting device
06/11/2014CN203640619U 一种割裂用钻杆 One kind of split with drill
06/11/2014CN203640618U 一种一体化钻割钻杆 An integrated diamond cutting drill
06/11/2014CN203640603U 一种水平井井壁支撑装置 A horizontal shaft wall support device
06/11/2014CN103857872A Method for real-time monitoring and transmitting hydraulic fracture seismic events to surface using the pilot hole of the treatment well as the monitoring well
06/11/2014CN103850676A Novel casing coupling positioner for coiled tubing
06/11/2014CN103850657A Long-spiral pile driving drill rod as well as soil clearing device thereof, rod connecting device and rod connecting method
06/11/2014CN103850656A Spiral tooth V-shaped anti-bias grinding joint hoop
06/11/2014CN103850655A Drill rod of rotary drilling rig with core node rod pipe body and square head position being connected in threaded manner
06/11/2014CN103850654A Prestressed thermal insulation oil casing and production method thereof
06/11/2014CN103850653A Heat-insulating oil sleeve and manufacturing method thereof
06/11/2014CN103850249A Construction technology for long-spiral cast-in-place pile extruded into rock
06/11/2014CN102704857B Underground supercharging and accelerating system
06/11/2014CN102265076B Sealed tubular connection used in the oil industry
06/10/2014US8746372 Shearable drill pipe and method
06/10/2014US8746351 Method for stabilizing oilfield equipment
06/10/2014US8746349 Drilling riser adapter connection with subsea functionality
06/10/2014US8746348 Apparatus, system and method for releasing fluids from a subsea riser
06/10/2014US8746028 Tubing expansion
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