| Patents for E21B 33 - Sealing or packing boreholes or wells (33,564) |
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| 07/17/2014 | WO2014110523A2 Method and apparatus for sealing tubulars |
| 07/17/2014 | WO2014110040A1 Prevention, actuation and control of deployment of memory-shape polymer foam-based expandables |
| 07/17/2014 | WO2014109868A1 Liner hanger/packer apparatus with pressure balance feature on anchor slips to facilitate removal |
| 07/17/2014 | WO2014109753A1 Protection assembly for downhole wet connectors |
| 07/17/2014 | WO2014107805A1 Stage tool for wellbore cementing |
| 07/17/2014 | WO2014027106A3 Power supply and voltage multiplication for submerged subsea systems based on cathodic protection system |
| 07/17/2014 | WO2013173600A3 Methods for protecting a hydrocarbon-producing zone of a subterranean formation using a relative permeability modifier |
| 07/17/2014 | WO2013152233A3 Misalignment-tolerant wellsite connection assembly, system, and method |
| 07/17/2014 | WO2013122480A9 Method for establishment of a new well path from an existing well |
| 07/17/2014 | WO2013109600A3 Methods and apparatuses for wiping subterranean casings |
| 07/17/2014 | US20140196914 Apparatus and method of zonal isolation |
| 07/17/2014 | US20140196913 Bridge plug tool |
| 07/17/2014 | US20140196908 Internal lockdown snubbing plug |
| 07/17/2014 | US20140196901 Cement composition containing an additive of a pozzolan and a strength retrogression inhibitor |
| 07/17/2014 | US20140196900 Method and apparatus for sealing tubulars |
| 07/17/2014 | US20140196899 Degradable ball sealer |
| 07/17/2014 | US20140196888 Flow control system |
| 07/17/2014 | US20140196887 Annular barrier with safety metal sleeve |
| 07/17/2014 | US20140196884 Method and system for rapid deployment of a capping stack |
| 07/17/2014 | US20140196883 Modular ball drop |
| 07/16/2014 | EP2755213A2 High pressure, high voltage penetrator assembly |
| 07/16/2014 | EP2753791A1 Swelling acceleration using inductively heated and embedded particles in a subterranean tool |
| 07/16/2014 | EP2753788A1 Annular seal for expanded pipe with one way flow feature |
| 07/16/2014 | CN203717914U 一种半浮动式侧门密封圈 A semi-floating door seals |
| 07/16/2014 | CN203716928U 整体式固井水泥头 Integral Cementing Head |
| 07/16/2014 | CN203716927U 漂浮完井胶塞 Floating completion stopper |
| 07/16/2014 | CN203716926U 长水平段井碰压固井工具 Long horizontal wells stopper segment cementing tool |
| 07/16/2014 | CN203716925U 漂浮节箍 Floating Festival hoop |
| 07/16/2014 | CN203716924U 旋转自导式浮鞋 Rotating self-guided float shoe |
| 07/16/2014 | CN203716923U 水平井分层调剖注入管柱 Horizontal well stratified injection string profile |
| 07/16/2014 | CN203716922U 一种新型浮箍 A new float collar |
| 07/16/2014 | CN203716921U 一种蝶式防盗可控封井器 One kind of butterfly burglar controlled blowout preventer |
| 07/16/2014 | CN203716920U 一种首次高压坐封后可低压重复坐封的多功能封隔器 One kind of high-pressure ride to win the title for the first time can be repeated low-packer multifunctional packer |
| 07/16/2014 | CN203716919U 裸眼封隔器 Openhole packer |
| 07/16/2014 | CN203716918U 水平井分段压裂封隔器 Horizontal well fracturing packer |
| 07/16/2014 | CN203716917U 一种液控压缩式封隔器 One kind of pilot compression packer |
| 07/16/2014 | CN203716916U 电缆起下电潜泵工艺中的井口防喷装置 Cable from under the ESP process wellhead blowout preventer |
| 07/16/2014 | CN203716915U 油气水井试井防喷盒 Oil and gas wells, well testing BOP box |
| 07/16/2014 | CN203716914U 一种内平衡式水泥头 An internal balanced cement head |
| 07/16/2014 | CN203716913U 新型抽油机井封井器 The new pumping wells blowout preventer |
| 07/16/2014 | CN203716912U 电加热空心光杆防喷装置 Electric heating hollow rod blowout preventer |
| 07/16/2014 | CN203716911U 一种作业操作平台 A work platform |
| 07/16/2014 | CN203716910U 免更换采油油井井口盘根密封球装置 Free replacement oil wellhead packing sealing ball means |
| 07/16/2014 | CN203716909U 一种机械化修井作业管柱清洁保护装置 One kind of mechanized cleaning workover string protection device |
| 07/16/2014 | CN203716908U 探放水钻孔分流闸阀式孔口装置 Exploration drilling drainage shunt valve orifice device type |
| 07/16/2014 | CN203716907U 一种油田柱塞泵盘根盒压盖防脱扣装置 One kind of oil piston packing box gland anti-tripping device |
| 07/16/2014 | CN103930646A 具有流动管线的环状屏障系统 Flow line having an annular barrier system |
| 07/16/2014 | CN103930645A 压力完整性测试系统 Pressure Integrity Test System |
| 07/16/2014 | CN103930644A 延长井口的使用寿命的方法及装置 Method and apparatus to extend the life of the wellhead |
| 07/16/2014 | CN103924964A 一种采油树1号主阀试压塞 A Christmas tree on the 1st main valve pressure test plug |
| 07/16/2014 | CN103924945A 煤矿用厚松散层下富水风化裂隙岩层的高压注浆工艺 Mine pressure grouting fractured rock weathering process water under thick soil layer with rich |
| 07/16/2014 | CN103924944A 一种煤层气水平井弃井作业方法 One kind of horizontal wells abandoned CBM wells operating methods |
| 07/16/2014 | CN103924943A 一种煤层瓦斯抽采封孔装置及封孔方法 One kind of coal seam gas extraction sealing device and sealing method |
| 07/16/2014 | CN103924942A 一种多功能手动闸板防喷器 A multifunctional manual ram BOP |
| 07/16/2014 | CN103924941A 一种偏心测试井口装置 One kind of eccentric test wellhead |
| 07/16/2014 | CN103924939A 钻具内防喷器抢接装置 Within the drill grab BOP coupling device |
| 07/16/2014 | CN103923627A 一种油气井钻井承压堵漏剂及其制备与应用 Pressure Sealing oil gas well drilling and preparation and application |
| 07/16/2014 | CN103923626A 一种用于油井堵水的化学堵剂及其使用方法 A chemical blocking agents and methods of using wells for water shutoff |
| 07/16/2014 | CN102786918B 降失水剂组合物、包含它的水泥组合物、制备方法及用途 Fluid loss additive composition comprising its cement composition, preparation and uses |
| 07/16/2014 | CN102628345B 一种高密封性的近水平钻孔密封方法 A high-tightness of sealing methods nearly horizontal drilling |
| 07/15/2014 | US8781743 Monitoring the health of a blowout preventer |
| 07/15/2014 | US8779932 Power supply and voltage multiplication for submerged subsea systems based on cathodic protection system |
| 07/15/2014 | US8778851 Methods for treating fibers |
| 07/15/2014 | US8777228 Metal sealing adjustable casing sub |
| 07/15/2014 | US8776899 Flow control devices on expandable tubing run through production tubing and into open hole |
| 07/15/2014 | US8776892 Rotation mechanism |
| 07/15/2014 | US8776891 Connection system for subsea flow interface equipment |
| 07/15/2014 | US8776889 Irregularly shaped flapper closure and sealing surfaces |
| 07/15/2014 | US8776886 Apparatus and method for launching plugs in cementing operations |
| 07/15/2014 | US8776882 Engineered fibers for well treatments |
| 07/15/2014 | US8776876 Expandable device for use in a well bore |
| 07/15/2014 | US8776875 Seal configuration for top drive swivel apparatus and method |
| 07/15/2014 | CA2809862A1 Modular ball drop |
| 07/15/2014 | CA2776789C Interchangeable drillable tool |
| 07/14/2014 | CA2801677A1 Ball injecting apparatus for wellbore operations with external loading port |
| 07/10/2014 | WO2014107395A1 Pressure activated down hole systems and methods |
| 07/10/2014 | WO2014107278A1 Shape-change particle plug system |
| 07/10/2014 | WO2014107245A1 Reinforced shear components and methods of using same |
| 07/10/2014 | WO2013142749A3 High flow hot stab connection |
| 07/10/2014 | WO2013121212A3 Method and apparatus for oil and gas operations |
| 07/10/2014 | US20140190705 Methods of removing a wellbore isolation device using galvanic corrossion of a metal alloy in solid solution |
| 07/10/2014 | US20140190702 Subsea Connection Apparatus for a Surface Blowout Preventer Stack |
| 07/10/2014 | US20140190701 Apparatus and method for subsea well drilling and control |
| 07/10/2014 | US20140190697 Single Component Resin Systems and Methods Relating Thereto |
| 07/10/2014 | US20140190696 Lost Circulation Treatment Fluids Comprising Pumice and Associated Methods |
| 07/10/2014 | US20140190685 Downhole tools having non-toxic degradable elements and methods of using the same |
| 07/10/2014 | US20140190684 Extrusion preventing supporting device |
| 07/10/2014 | US20140190683 Annular barrier with compensation device |
| 07/10/2014 | US20140190682 Downhole Tool Apparatus with Slip Plate and Wedge |
| 07/09/2014 | EP2751383A1 Annular barrier with compensation device |
| 07/09/2014 | EP2751382A1 Annular barrier with pressure amplification |
| 07/09/2014 | EP2751373A1 A connector arrangement for a subsea pipeline |
| 07/09/2014 | CN203702233U 软煤发育区瓦斯抽采孔支撑装置 Soft coal gas drainage hole developed area support device |
| 07/09/2014 | CN203702110U 水平井管外分段压裂防砂管柱 Horizontal well fracturing sand tube segment string |
| 07/09/2014 | CN203702081U 分级箍 Classification hoop |
| 07/09/2014 | CN203702080U 水平井段内多缝分段压裂暂堵剂地面投入装置 Horizontal section within the multi-slit staged fracturing means temporary blocking agent into the ground |
| 07/09/2014 | CN203702079U 一种具有全向自补偿功能的热采水平井完井管柱 A kind of self-compensation function omnidirectional horizontal well completion string thermal recovery |
| 07/09/2014 | CN203702078U 塌陷区岩溶裂隙部位放矿速凝剂添加的装置 Subsidence District karst fissure mine site discharge device accelerator added |
| 07/09/2014 | CN203702077U 可靠式pt封隔器 Reliable formula pt packer |
| 07/09/2014 | CN203702076U 组合式胶筒封隔器 Modular plastic tube packer |