Patents for E21B 33 - Sealing or packing boreholes or wells (33,564)
08/2011
08/23/2011US8002045 Downhole tool with load diverting system and method
08/23/2011US8002030 Retrievable bridge plug
08/23/2011CA2651966C Stage cementing methods used in casing while drilling
08/23/2011CA2626413C Multiple stage tool for use with plunger lift
08/23/2011CA2617588C Deep well anodes for electrical grounding
08/23/2011CA2615183C Method and device for on-line acoustic monitoring of foam and aerated fluid properties
08/23/2011CA2577573C Packers and methods of use
08/23/2011CA2519365C System and method for treating drilling mud in oil and gas well drilling applications
08/18/2011WO2011100036A2 Integrated wellhead assembly
08/18/2011WO2011098774A1 Pipe seal
08/18/2011WO2011098602A1 Valve device
08/18/2011WO2011072145A3 Dual path subsea control system
08/18/2011WO2011071618A3 Temperature-activated swellable wellbore completion device
08/18/2011US20110198096 Unlimited Downhole Fracture Zone System
08/18/2011US20110198093 Acoustic downhole tool with rubber boot protected by expandable sleeve
08/18/2011US20110198082 Downhole tool assembly with debris relief, and method for using same
08/18/2011US20110198074 Hybrid wellhead system and method of use
08/18/2011US20110198072 Integrated wellhead assembly
08/18/2011DE102010002064A1 Verfahren zur Sanierung einer Erdreich-Bohrung Process for remedying soil-bore
08/18/2011CA2789588A1 Valve device
08/18/2011CA2789250A1 Integrated wellhead assembly
08/17/2011EP2357317A2 Method for renovating a borehole in the soil
08/17/2011EP2357316A2 Downhole tool having setting valve for packing element
08/17/2011EP2357315A1 Running tool with independent housing rotation sleeve
08/17/2011EP2357314A2 Bi-metallic annular seal and wellhead system incorporating same
08/17/2011EP2357313A2 Electronics module for subsea well installation
08/17/2011EP2356310A1 System for exchanging energy with a ground
08/17/2011EP2356309A1 Communication method and apparatus for insert completions
08/17/2011EP2156012B1 Subsea intervention system
08/17/2011EP1226336B1 Drilling formation tester, apparatus and methods of testing and monitoring status of tester
08/17/2011CN201934056U 高温高压水平井桥塞 High temperature and high pressure horizontal wells bridge plug
08/17/2011CN201934055U 自坐封式油管堵塞器 Self-packer-type tubing plug device
08/17/2011CN201934054U 一种新型复合材质的桥塞 A new composite material bridge plug
08/17/2011CN201934053U 套变井堵水封隔器 Well casing deformation shutoff packer
08/17/2011CN201934052U 负压解堵洗井防倒灌多功能井下装置 Negative pressure wash well plugging underground anti-intrusion multifunction device
08/17/2011CN201934051U 自成形挡板及其反应型泡沫封孔密封装置 Baffles and reactive self-forming foam sealing sealing device
08/17/2011CN201934050U 一种钻井用的闸板防喷器 One kind of drilling ram BOP
08/17/2011CN201934049U 钻孔防喷装置 Drilling Blowout Preventer
08/17/2011CN201934048U 热采闸板防喷器 Thermal Recovery ram BOP
08/17/2011CN201934047U 气动节流管汇 Pneumatic choke manifold
08/17/2011CN201934043U 多功能尾管悬挂器 Multifunction liner hanger
08/17/2011CN102155251A Waterpower hole packer
08/17/2011CN102155183A Integral combination valve
08/17/2011CN102155182A Flashboard loading and unloading mechanism
08/17/2011CN102155181A Wellhead tieback connector
08/17/2011CN102155180A Multi-valve production tree wellhead device
08/17/2011CN102155179A Dead hole studded type tubing head four-way joint
08/16/2011US7997344 Multi-function indicating tool
08/16/2011US7997342 Subterranean treatment fluids comprising viscoelastic surfactant gels
08/16/2011US7997338 Sealing feed through lines for downhole swelling packers
08/16/2011US7997337 Eutectic material-based seal element for packers
08/16/2011US7997335 Jet pump with a centrifugal pump
08/16/2011CA2566010C Reciprocating pump drive apparatus
08/16/2011CA2561075C Articulated drillstring entry apparatus and method
08/16/2011CA2476946C Packer with ring having communicating bore
08/16/2011CA2430796C Systems and methods for controlling flow and access in multilateral completions
08/11/2011WO2011097091A2 Drillable bridge plug for high pressure and high temperature environments
08/11/2011US20110194956 Mechanism for sealing pfa seal bags
08/11/2011US20110193291 Downhole seal
08/11/2011US20110192614 Torque Transmitting Load Shoulder
08/11/2011US20110192597 Use of Micro-Electro-Mechanical Systems (MEMS) in Well Treatments
08/11/2011CA2788585A1 Flow control device and flow control method
08/11/2011CA2787845A1 Drillable bridge plug for high pressure and high temperature environments
08/10/2011EP2354441A2 Wellhead Annulus Seal Assembly
08/10/2011EP2354440A2 Communications connection in a subsea well
08/10/2011EP2354439A2 Gas-blanketed piping connections
08/10/2011EP2352900A1 Two-stage submersible actuators
08/10/2011EP2352897A1 Method to stop wellbore fluid leakage from a spoolable wellbore intervention rod
08/10/2011EP2242897B1 Downhole seal
08/10/2011CN201924958U 矿用瓦斯自动封口器 Mine gas automatic sealing device
08/10/2011CN201924918U 油水井套压取压装置 Oil wells set pressure to take pressure device
08/10/2011CN201924879U 尾管固井复合钻杆胶塞 Liner Cementing composite drill stopper
08/10/2011CN201924878U 一种半程注水泥完井管柱 One kind of half-completion string cementing
08/10/2011CN201924877U 内管注水泥井口作业平台 Inner tube cementing wellhead platforms
08/10/2011CN201924876U 新型矿用注浆封孔器 The new mine grouting sealing device
08/10/2011CN201924875U 一种车装的固井批混管路装置 Cementing a mixed batch of a truck-mounted plumbing fixture
08/10/2011CN201924874U 封隔器 Packer
08/10/2011CN201924873U 长效扩张型封隔器 Long dilated packer
08/10/2011CN201924872U 插管封隔器 Intubation packer
08/10/2011CN201924871U 注汽井热敏封隔器 Thermal steam injection wells packer
08/10/2011CN201924870U 液压坐封工具 Hydraulic packer tool
08/10/2011CN201924869U 气控密封抽汲防喷盒 BOP seal pumping gas control box
08/10/2011CN201924868U 抽油井防喷盒压帽固定装置 Pumping well blowout preventer box pressure cap fixtures
08/10/2011CN201924867U 注水井管柱防喷器 Injection Wells string BOP
08/10/2011CN201924866U 稠油水平井断杆手动抢喷装置 Heavy oil horizontal well off lever manually grab the spray device
08/10/2011CN201924865U 一种卡瓦式套管头密封装置 One kind of slip-type casing head seal
08/10/2011CN201924864U 芯轴式简易套管头 Simple mandrel type casing head
08/10/2011CN201924863U 注塑法兰 Injection Flange
08/10/2011CN201924862U 六合密封盘根盒 Kuni seal packing boxes
08/10/2011CN201924861U 采油井口智能防盗箱 Wellhead smart security box
08/10/2011CN201924860U 井口抢喷装置 Wellhead grab spray device
08/10/2011CN201924859U 抽油光杆感知型节能环保密封器 Aware shiny rod pumping energy saving sealer
08/10/2011CN201924858U 自封封井器 Self-styled blowout preventer
08/10/2011CN201924857U 新型抽油机用盘根 The new pumping unit with packing
08/10/2011CN201924853U 水下井口用密封总成取出工具 Subsea wellhead seal assembly extraction tool
08/10/2011CN201924852U 带压钻孔引流装置 Pressure drilling drainage device
08/10/2011CN201924839U 一次生产管柱 A production string
08/10/2011CN201924828U 多功能试验机用双向动力水龙头装置 Multifunction tester with two-way power swivel device
08/10/2011CN1274376B Composite proppant, composite filtration media and methods for making and using same
08/10/2011CN102146788A Method for enhancing recovery ratio through three-dimensional streamline regulation of water drive reservoir