| Patents for E21B 33 - Sealing or packing boreholes or wells (33,564) |
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| 02/17/2015 | US8955595 Apparatus and method for providing a controllable supply of fluid to subsea well equipment |
| 02/17/2015 | US8955594 Multiplex tubing hanger |
| 02/17/2015 | US8955592 Grease delivery system |
| 02/17/2015 | US8955587 Well completion methods using gellable treatment fluids having long term thermal stability of the gelled state |
| 02/17/2015 | US8955585 Forming inclusions in selected azimuthal orientations from a casing section |
| 02/17/2015 | CA2838094C Multi-stage well isolation and fracturing |
| 02/14/2015 | CA2823594A1 Wellhead lubricator cover |
| 02/12/2015 | WO2015021234A2 Sensing magnetized portions of a wellhead system to monitor fatigue loading |
| 02/12/2015 | WO2015020748A2 Automatic driller |
| 02/12/2015 | WO2015020747A1 Automatic packer |
| 02/12/2015 | WO2015020637A1 Method and apparatus for zonal isolation of subterranean formations using set-on-demand slurries |
| 02/12/2015 | WO2015020634A1 Wave spring flapper closure mechanism |
| 02/12/2015 | US20150041155 Electromagnetic oil pipe plugger |
| 02/12/2015 | US20150041154 Annular barrier having a flexible connection |
| 02/12/2015 | US20150041134 Cement Slurry Compositions and Methods |
| 02/12/2015 | US20150041124 Automatic packer |
| 02/12/2015 | US20150041123 Fluid Stimulation of Long Well Intervals |
| 02/12/2015 | US20150041116 Coupling for a cement head |
| 02/12/2015 | US20150041115 Seal configuration for top drive swivel apparatus and method |
| 02/11/2015 | EP2835493A1 Electronically-actuated cementing port collar |
| 02/11/2015 | EP2835492A2 Insert units for non-metallic slips |
| 02/11/2015 | EP2834524A1 Valve and hydraulic controller |
| 02/11/2015 | EP2834523A1 Valve and hydraulic controller |
| 02/11/2015 | EP2834449A2 Misalignment-tolerant wellsite connection assembly, system, and method |
| 02/11/2015 | EP2834448A2 Wellsite connector with floating seal member and method of using same |
| 02/11/2015 | EP2834447A2 Wellsite connector with piston driven collets and method of using same |
| 02/11/2015 | CN204152525U 定点控域注浆装置 Pointing device control domain grouting |
| 02/11/2015 | CN204152479U 裂缝性油藏弱凝胶调剖性能评价可视化实验装置 Fractured reservoir performance evaluation weak gel profile visualization experimental device |
| 02/11/2015 | CN204152478U 一种灌浆用液压双栓塞 One kind of grout with hydraulic double embolism |
| 02/11/2015 | CN204152477U 破损水文钻孔封堵填骨料装置 Damaged hydrological drilling plugging fill aggregate device |
| 02/11/2015 | CN204152476U 大压差过电缆可洗井封隔器 Pressure is too big cable washable well packer |
| 02/11/2015 | CN204152475U 穿层钻孔单囊袋封孔装置 Borehole single pouch sealing device |
| 02/11/2015 | CN204152474U 一种用于井下作业自动监控石油防喷装置 An automatic monitoring of underground work for the oil blowout preventer |
| 02/11/2015 | CN204152473U 一种多功能封井器 A multifunctional blowout preventer |
| 02/11/2015 | CN204152472U 双限位金属密封油管悬挂器 DUO limit metal tubing hanger seal |
| 02/11/2015 | CN204152471U 一种封井器 One kind of blowout preventer |
| 02/11/2015 | CN204152470U 一种废弃油井的防盗防火装置 One kind of abandoned oil well fire equipment theft |
| 02/11/2015 | CN204152469U 一种游梁式抽油机盘根 One kind of beam pumping unit packing |
| 02/11/2015 | CN104343447A 利用多级封隔器的试样采集方法及装置 Multi-stage packer sample collection method and apparatus |
| 02/11/2015 | CN104343436A 一种通井洗井水泥胶结固井质量测井一体化装置及方法 One kind of flushing through well cementing quality cement bond logging integrated device and method |
| 02/11/2015 | CN104343417A 一种六开度开关滑套 One kind of six open-degree switch sleeve |
| 02/11/2015 | CN104343415A 瓦斯抽采钻孔注胀式囊袋封孔器 Gas Borehole Note Expanding pouch sealing device |
| 02/11/2015 | CN104343414A 一种钻具水眼通用固井水泥钻通装置及方法 One kind of common cementing drill water hole drilled through the apparatus and method |
| 02/11/2015 | CN104343413A 一种自通式双工艺筛管顶部固井方法和装置 A self-dual process formula method and apparatus for cementing the top screen |
| 02/11/2015 | CN104343412A 一种轴向振动脉冲固井方法及其装置 A vibration pulse method and apparatus for cementing axial |
| 02/11/2015 | CN104343411A 一种用于钻孔快速密封的封孔装置 A borehole sealing means for sealing fast |
| 02/11/2015 | CN104343410A 双向承压压缩式液压封隔器 Bidirectional hydraulic pressure compression packer |
| 02/11/2015 | CN104343409A 不压井修井作业管式泵管柱底部堵塞装置 Bottom snubbing workover string tubing pump clogging device |
| 02/11/2015 | CN104343408A 一种充填永固式管外封隔方法及其工具 One kind of existence filled pipe outside packer method and tool |
| 02/11/2015 | CN104343407A 一种加布盘根及其制造方法 One kind Gabe packing and manufacturing method |
| 02/11/2015 | CN102996092B 液控双级试井防喷盒 Two-stage hydraulic control box BOP TEST |
| 02/11/2015 | CN102056953B 岩层的新处理方法和新型聚两性电解质 New treatment methods and new rock polyampholyte |
| 02/10/2015 | US8950752 Wicker-type face seal and wellhead system incorporating same |
| 02/10/2015 | US8950751 Compliant element |
| 02/10/2015 | US8950505 Method and apparatus for setting a wellbore packer |
| 02/10/2015 | US8950504 Disintegrable tubular anchoring system and method of using the same |
| 02/10/2015 | US8950486 Acid-soluble cement compositions comprising cement kiln dust and methods of use |
| 02/10/2015 | US8950485 Drilling/frac adapter and method of use |
| 02/10/2015 | US8950474 Subsea cap |
| 02/10/2015 | US8950438 Method and compositions for delivery of a concentrated quantity of sealing elements to a leak site in a vessel |
| 02/10/2015 | US8950437 Leak sealing apparatus |
| 02/10/2015 | US8950430 Internal blow out preventer |
| 02/10/2015 | CA2829436C Use of swellable material in an annular seal element to prevent leakage in a subterranean well |
| 02/10/2015 | CA2808529C System and method for fluid diversion and fluid isolation |
| 02/10/2015 | CA2784248C Thermoset nanocomposite particles, processing for their production, and their use in oil and natural gas drilling applications |
| 02/10/2015 | CA2772466C Expansion device with slips and wedges having bridges |
| 02/10/2015 | CA2772277C Cluster opening sleeves for wellbore |
| 02/10/2015 | CA2757293C Anchor and hydraulic setting assembly |
| 02/10/2015 | CA2667937C Improved sealing apparatus |
| 02/10/2015 | CA2666610C Mux bop database mirroring |
| 02/10/2015 | CA2632379C Plug intended to be inserted into a duct on which a fluid flows and associated fluid prospecting well |
| 02/08/2015 | CA2858664A1 Steam injection and production completion system |
| 02/07/2015 | CA2858518A1 Methods and compositions for using temporary, slow degrading, particulate agents in a subterranean formation |
| 02/05/2015 | WO2015017662A1 Intensifier ram blowout preventer |
| 02/05/2015 | WO2015017085A1 Self-setting downhole tool |
| 02/05/2015 | WO2015016945A1 Well packer with nonrotating mandrell lock device |
| 02/05/2015 | WO2015016943A1 Well packer with shock dissipation for setting mechanism |
| 02/05/2015 | WO2015016911A1 Wellbore servicing materials and methods of making and using same |
| 02/05/2015 | WO2015016878A1 Wellbore servicing compositions and methods of making and using same |
| 02/05/2015 | US20150034339 Self-setting downhole tool |
| 02/05/2015 | US20150034326 System and Method for Managing Heave Pressure from a Floating Rig |
| 02/05/2015 | US20150034317 Method of well operation |
| 02/05/2015 | US20150034316 Annular barrier having expansion tubes |
| 02/05/2015 | US20150034311 Apparatus And Method Of Concentric Cement Bonding Operations Before And After Cementation |
| 02/05/2015 | US20150034310 Compounds, compositions and methods for enhancing oil recovery |
| 02/05/2015 | US20150034300 Well packer with nonrotating mandrel lock device |
| 02/05/2015 | US20150034298 Intensifier ram blowout preventer |
| 02/05/2015 | US20150034296 Low profile, high capacity ball injector |
| 02/04/2015 | EP2831369A1 Auto-filling of a tubular string in a subterranean well |
| 02/04/2015 | EP2831368A1 An annular barrier having a flexible connection |
| 02/04/2015 | EP2831367A1 An annular barrier with a seal |
| 02/04/2015 | CN204140015U 井口试压封隔器 Wellhead pressure test packer |
| 02/04/2015 | CN204140014U 一种具有双级封隔单元的k344型封隔器 K344 packer packer having a two-stage unit |
| 02/04/2015 | CN204140013U 手动双闸板封井器 Manual double plate blowout preventer |
| 02/04/2015 | CN204140012U 一种井口密封装置 One kind wellhead seal |
| 02/04/2015 | CN104334830A 用于在海底钻井作业中启动井下工具的设备、系统和方法 Start of a downhole tool in subsea drilling operations equipment, system and method for |
| 02/04/2015 | CN104334824A 致动闭锁系统 Actuated locking system |
| 02/04/2015 | CN104334823A 具有活塞驱动套筒的井场连接器及其使用方法 Having a piston drive sleeve wellsite connector and method of use |
| 02/04/2015 | CN104334820A 可分解金属锥形件及其制造方法和使用 Decomposable metal cone device and manufacturing method and use |
| 02/04/2015 | CN104329051A 一种自灌断流器 A self-filling interrupter |