| Patents for E21B 33 - Sealing or packing boreholes or wells (33,564) |
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| 05/21/2014 | CN203603818U 一种低矮型不压井作业装置 One kind of low-profile snubbing unit |
| 05/21/2014 | CN203603817U 便携式放空装置 Portable venting device |
| 05/21/2014 | CN203603816U 起钻气动加压装置 From drilling pneumatic pressure device |
| 05/21/2014 | CN103814189A 井下注入工具 Underground injection tool |
| 05/21/2014 | CN103806935A 一种固孔及防突装置 Hole and having a solid outburst prevention device |
| 05/21/2014 | CN103806909A 油藏通道等价尺寸测量系统和油藏通路控制方法 Equivalent to the size of the reservoir channel measurement system and reservoir access control methods |
| 05/21/2014 | CN103806889A 无限级化学分层压裂或酸化的方法 Unlimited grade chemical stratification method of fracturing or acidizing |
| 05/21/2014 | CN103806865A 一种模拟压力变化引起固井胶结失效的方法 An analog pressure changes caused by the failure of the method of cementing cementing |
| 05/21/2014 | CN103806864A 液压坐封式小通径油管桥塞 Hydraulic packer style small diameter tubing bridge plug |
| 05/21/2014 | CN103806863A 液力震荡扶正器 Hydraulic shock centralizer |
| 05/21/2014 | CN103806862A 可靠悬挂封隔器 Reliable suspension packer |
| 05/21/2014 | CN103806861A 冷热双作用封隔器 Hot and cold dual role packer |
| 05/21/2014 | CN103806860A 硅酸钠水溶液在油田生产中后期的应用 Application of aqueous sodium silicate solution in oil production in the late |
| 05/21/2014 | CN103806859A 实用性强的双闸板防喷装置 Practicability double plate blowout preventer |
| 05/21/2014 | CN103806858A 简易型匣板防喷装置 Simple box board blowout preventer |
| 05/21/2014 | CN103806857A 游动式盘根盒 Swimming style packing boxes |
| 05/21/2014 | CN103806856A 一种超长冲程井口密封装置及其密封方法 One kind of long stroke wellhead seals and sealing method |
| 05/21/2014 | CN103806837A 一种油田水平井完井工艺 One kind of oil horizontal well completion technology |
| 05/20/2014 | US8728231 Biodegradable set retarder for a cement composition |
| 05/20/2014 | US8727315 Ball valve |
| 05/20/2014 | US8727303 Variable bore packer for a blowout preventer |
| 05/20/2014 | US8727028 Plugging a mined-through well |
| 05/20/2014 | US8727027 Downhole seal |
| 05/20/2014 | US8727025 Downhole tool seal arrangement and method of sealing a downhole tubular |
| 05/20/2014 | US8727023 Wireline lubricator |
| 05/20/2014 | US8727020 Frac adapter for wellhead |
| 05/20/2014 | US8727013 Subsea control module with interchangeable segments |
| 05/20/2014 | US8727011 Wellhead test tool and method |
| 05/20/2014 | US8727001 Methods and compositions relating to minimizing particulate migration over long intervals |
| 05/20/2014 | US8726996 Device for the focus and control of dynamic underbalance or dynamic overbalance in a wellbore |
| 05/20/2014 | US8726994 Double swivel apparatus and method |
| 05/20/2014 | US8726993 Method and apparatus for maintaining pressure in well cementing during curing |
| 05/20/2014 | US8726992 Method and device for filling a void incompletely filled by a cast material |
| 05/20/2014 | US8726991 Circulated degradable material assisted diversion |
| 05/20/2014 | US8726990 Lost-circulation material made from a recycled ceramic |
| 05/20/2014 | CA2773540C Seat having profiled portion to resist plug extrusion |
| 05/20/2014 | CA2747576C Wellhead assembly having a nested tubing head |
| 05/20/2014 | CA2664282C Metal seal for wellheads |
| 05/15/2014 | WO2014074973A1 Blowout preventer system with three control pods |
| 05/15/2014 | WO2014074810A1 Settable compositions comprising wollastonite and pumice and methods of use |
| 05/15/2014 | WO2014074747A1 Subsea energy storage for blow out preventers (bop) |
| 05/15/2014 | WO2014074685A1 Method and system for manipulating a downhole isolation device of an underwater wellhead assembly |
| 05/15/2014 | WO2014074616A1 Horizontal vertical deepwater tree |
| 05/15/2014 | WO2014074600A1 Measurement system |
| 05/15/2014 | WO2014074412A1 Dissolvable tool and method of dissolving same |
| 05/15/2014 | WO2014074348A1 Production enhancement method for fractured wellbores |
| 05/15/2014 | WO2014074325A1 System, method, and apparatus for multi-stage completion |
| 05/15/2014 | WO2014074099A1 Method for efficient pressure and inflow testing of a fluid containment system through real time leak detection with quantification of pvt effects |
| 05/15/2014 | WO2014071985A1 Subsea unit comprising a two-phase cooling system and a subsea power system comprising such a subsea unit |
| 05/15/2014 | WO2014071440A1 Improved valve apparatus |
| 05/15/2014 | WO2013058987A3 Ram packer extraction tool |
| 05/15/2014 | WO2013050905A9 Method for stopping or at least reducing the uncontrolled release of hydrocarbons, blowout, from a hydrocarbon extraction well |
| 05/15/2014 | US20140135237 Expandable Coating for Solid Particles and Associated Methods of Use in Subterranean Treatments |
| 05/15/2014 | US20140131954 Shrinkage compensated seal assembly and related methods |
| 05/15/2014 | US20140131953 Self-energized Seal or Centralizer and Associated Setting and Retraction Mechanism |
| 05/15/2014 | US20140131054 Slotted metal seal |
| 05/15/2014 | US20140131050 Method of making and using a functionally gradient composite tool |
| 05/15/2014 | US20140131049 Subsea energy storage for blow out preventers (bop) |
| 05/15/2014 | US20140131038 Plugging thief zones and fractures by in-situ and in-depth crystallization for improving water sweep efficiency of sandstone and carbonate reservoirs |
| 05/15/2014 | US20140131031 Filtration system and method for a packer |
| 05/14/2014 | CN203594409U 免钻分级注水泥器浮球式空心关闭塞 Free diamond grading Cementer float hollow closed plug |
| 05/14/2014 | CN203594408U 采油用注水封隔装置 Oil packer apparatus with water |
| 05/14/2014 | CN203594407U 井下作业用封隔器 Downhole with packer |
| 05/14/2014 | CN203594406U 一种新型双向坐封封隔器 A new bi-packer packer |
| 05/14/2014 | CN203594405U 高温高压大通径套管液压封隔器 High temperature and high pressure large diameter casing hydraulic packer |
| 05/14/2014 | CN203594404U 勘探孔分层抽水试验封隔止水装置 Pumping Test layered exploration hole packer sealing device |
| 05/14/2014 | CN203594403U 带压作业油管挂液压封堵器 Pressure tubing hanger hydraulic occluder job |
| 05/14/2014 | CN203594402U 油管堵塞器 Tubing clogged filter |
| 05/14/2014 | CN203594401U 套管堵塞器 Clogged filter casing |
| 05/14/2014 | CN203594400U 连续管电缆测试的防喷装置 Cables coiled tubing blowout preventer test |
| 05/14/2014 | CN203594399U 套管头旋扣辅助工具 Casing head spinner aids |
| 05/14/2014 | CN203594398U 采油井口装置操作平台 Wellhead equipment operating platform |
| 05/14/2014 | CN203594397U 采油井口密封光杆盘根的安装工具 Wellhead seal packing rod installation tool |
| 05/14/2014 | CN203594388U 一种基于剪切速率相等原理的固井冲洗液评价装置 Based on the principle of equal shear rate evaluation device cementing rinse |
| 05/14/2014 | CN103797211A 用于替代流动通道砾石充填的封隔器和用于完成井筒的方法 For alternative flow path gravel pack packer and a method for performing a wellbore |
| 05/14/2014 | CN103790618A 一种矿用水浴式孔口防喷及除尘装置 One kind of mine water bath opening blowout preventer and dust removal device |
| 05/14/2014 | CN103790550A 井下智能胶塞装置 Downhole intelligent stopper device |
| 05/14/2014 | CN103790549A 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 |
| 05/14/2014 | CN103790548A 梅花钻头条形丝口注浆管 Plum strip wire port grouting drill pipe |
| 05/14/2014 | CN103790547A 悬挂封隔器装置 Hanging packer device |
| 05/14/2014 | CN103790546A 瓦斯预抽钻孔煤屑回填封孔方法 Pre pumping gas drilling cinder backfill sealing method |
| 05/14/2014 | CN103790545A 一种随动式井口带压密封装置 One kind of follower type wellhead pressure sealing device |
| 05/14/2014 | CN103790544A 一种密封井口盘根盒与光杆缝隙的气密式防漏方法 Hermetically sealed leak-proof method of wellhead packing box and light pole gap |
| 05/14/2014 | CN103790543A 一种微地震监测井井口保护密封连接装置及工艺方法 A micro seismic monitoring wellhead protection device and process for sealing connection |
| 05/14/2014 | CN103790542A 一种高温带压提下测试连续油管悬挂密封装置及使用方法 At a high temperature with pressure put to test continuous tubing hanger seal device and method of use |
| 05/14/2014 | CN103790541A 三位多功能三管井口装置 Three multi-function three wellhead |
| 05/14/2014 | CN103790540A 抽油井井口润滑双密封装置 Pumping well lubricated double seal the wellhead |
| 05/14/2014 | CN103788936A 一种高强度油气井暂堵剂、制备及其应用 A high-strength oil and gas wells temporary blocking agent, Preparation and Application |
| 05/14/2014 | CN102660241B 耐高温固井水泥及井下耐高温固井水泥浆及固井工艺方法 Cementing and downhole temperature refractory cement slurry and cementing process methods |
| 05/14/2014 | CN102230375B 煤层瓦斯参数实时监测方法 Seam gas parameters in real time monitoring method |
| 05/13/2014 | US8720586 Hybrid seal |
| 05/13/2014 | US8720585 Deep-water oil well spill controller and container |
| 05/13/2014 | US8720584 Laser assisted system for controlling deep water drilling emergency situations |
| 05/13/2014 | US8720583 Telescopic joint mini control panel |
| 05/13/2014 | US8720580 System and method for diverting fluids from a damaged blowout preventer |
| 05/13/2014 | US8720579 Emergency blowout preventer (EBOP) control system using an autonomous underwater vehicle (AUV) and method of use |
| 05/13/2014 | US8720578 Telescoping orientation joint |
| 05/13/2014 | US8720575 Shear laser module and method of retrofitting and use |
| 05/13/2014 | US8720571 Methods and compositions relating to minimizing particulate migration over long intervals |
| 05/13/2014 | US8720568 Swellable/degradable “sand” plug system for horizontal wells |