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 33 - Sealing or packing boreholes or wells
Patents for E21B 33 - Sealing or packing boreholes or wells (33,564)
12/2014
12/24/2014CN104234659A 免钻分级固井装置 Free diamond grading cementing equipment
12/24/2014CN104234658A 液压式免钻分级注水泥器 Hydraulic stage cementing drill-free device
12/24/2014CN104234657A 双限位金属密封油管悬挂器 DUO limit metal tubing hanger seal
12/24/2014CN104234656A 海洋油田采油树五通装置 Five-tree ocean oilfield equipment
12/24/2014CN104234655A 海洋采油树双v型高压密封装置 Ocean Christmas Tree double v-pressure sealing device
12/24/2014CN104232040A 一种延缓胶体泡沫的堵剂及其用于油田高含水层调剖堵水的方法 A method for delaying colloid bubble blocking agent used in oil and high-profile aquifer water shutoff methods
12/24/2014CN102900446B 碎裂介质向下套管成孔及锚注分步加固方法 Media fragmentation casing down into the hole and bolting and grouting reinforcement method step
12/24/2014CN101932791B 将井源的各个部分与流体压力隔离的系统、方法及装置 The various parts of the source and the well fluid pressure isolation system, method and apparatus
12/23/2014US8915305 Downhole packer tool with safety systems for preventing undue set and release operations
12/23/2014US8915304 Traversing a travel joint with a fluid line
12/23/2014US8915303 Method and apparatus for installing and removing an electric submersible pump
12/23/2014US8915297 Methods and equipment to improve reliability of pinpoint stimulation operations
12/18/2014US20140367123 Downhole tubular system and assembly for sealing an opening
12/18/2014US20140367118 Expandable translating joint
12/18/2014US20140367112 Device for recirculating grease/sealing oil in risers
12/18/2014US20140367106 Shaped Memory Devices and Method for Using Same in Wellbores
12/18/2014US20140367105 Filler Particles with Enhanced Suspendability for Use in Hardenable Resin Compositions
12/18/2014US20140367104 Compositions and Methods for Completing Subterranean Wells
12/18/2014US20140367103 Compositions and Methods for Completing Subterranean Wells
12/18/2014US20140367102 Method for Establishment of an Annulus Barrier in a Subterranean Well
12/18/2014US20140367094 Method and Apparatus for Testing a Tubular Annular Seal
12/18/2014US20140367084 Snorkel Tube with Debris Barrier for Electronic Gauges Placed on Sand Screens
12/18/2014US20140367083 Modular changeable fractionation plug
12/18/2014US20140367082 Diverter flow line insert packer seal
12/17/2014CN204024602U 一种抽油机专用防污设备 One kind of special anti-pollution equipment Pumping
12/17/2014CN204024582U 一种下管套自动灌浆装置 One kind of down tube sets of automatic filling device
12/17/2014CN204024581U 无内管免钻塞装置 No free drill pipe plug device
12/17/2014CN204024580U 一种钻具灌浆接头 One kind of drill grout joints
12/17/2014CN204024579U 组合式胶筒护肩扩径隔环 Combined plastic tube flaring Shoulders spacer rings
12/17/2014CN204024578U 一种封隔器 One kind of packer
12/17/2014CN204024577U 裸眼水平井大通径压裂封隔器 Openhole horizontal well fracturing packer Chase Drive
12/17/2014CN204024576U 一种封隔器 One kind of packer
12/17/2014CN204024575U 一种可旋转式尾管顶部封隔器 A swivel at the top of the tail pipe packer
12/17/2014CN204024574U 可重复座封解封工具 Reusable seat seal unblocking tool
12/17/2014CN204024573U 灌注粧地下溶洞封堵器 Perfusion makeup underground cave occluder
12/17/2014CN204024572U 井筒防喷开关器及采油泵组件 BOP bore switcher and mining pump assembly
12/17/2014CN204024571U 高压气井套管头 High pressure gas well casing head
12/17/2014CN204024570U 海洋油田采油树五通装置 Five-tree ocean oilfield equipment
12/17/2014CN204024569U 防喷抗磨双极密封器 BOP-wear bipolar sealer
12/17/2014CN204024568U 注水井油套封堵装置 Oil injection well plugging device sets
12/17/2014CN204024567U 作业井口油管防上顶装置 Anti job wellhead tubing on the top unit
12/17/2014CN204024566U 径向井简易式进液装置 Well simple type radial inlet device
12/17/2014CN204024565U 一种耐磨盘根盒 A wear-resistant packing boxes
12/17/2014CN204024564U 抽油机井光杆密封器辅助装置 Rod pumping wells sealed auxiliary device
12/17/2014CN204024563U 一种带有清蜡装置的井口流程 A wellhead flow device with wax
12/17/2014CN204024472U 岩锚钻进定位导向封孔装置 Rock drilling anchor positioning guide sealing device
12/17/2014CN104213905A 一种井下作业自动压井工艺方法及装置 A downhole operation method and apparatus for automatically kill the process
12/17/2014CN104213870A 一种水驱稠油油藏人造泡沫油开采方法 A water flooding in heavy oil reservoir artificial foam oil mining methods
12/17/2014CN104213869A 一种金属密封分级注水泥器及使用方法 Classification of a metal seal and method of use Cementer
12/17/2014CN104213868A 可取可钻锚定式封隔器 Advisable to drill anchor packer
12/17/2014CN104213867A 一种多功能水井封隔器 A multifunctional wells packer
12/17/2014CN104213866A 一种增强密封能力的自膨胀封隔器及方法 A method of enhancing the sealing capability of the self-expandable packer and methods
12/17/2014CN104213865A 一种增强密封能力的自膨胀方法及自膨胀封隔器 A method of enhancing the sealing capability of self-expandable and self-expanding method packer
12/17/2014CN104213864A 封隔器胶筒保护装置 Packer rubber tube protector
12/17/2014CN104213863A 注水井油套封堵装置 Oil injection well plugging device sets
12/17/2014CN104213861A 一种膨胀管膨胀工艺方法及工具系统 An expansion pipe expansion process methods and tools for system
12/17/2014CN104213562A 一种注浆孔口的阻塞装置及其使用方法 Occlusion device and method of use of a grouting orifice
12/17/2014CN102428248B 膨胀封隔器以及构造方法 Inflatable packer and Constructors
12/16/2014US8912256 Swellable material using soy spent flakes
12/16/2014US8910945 Seal assembly and method of forming a seal assembly
12/16/2014US8910722 Slip-deployed anti-extrusion backup ring
12/16/2014US8910716 Apparatus and method for controlling fluid flow from a formation
12/16/2014US8910712 System and method for converting class II hydrate reservoirs
12/16/2014US8910708 Pumice-containing remedial compositions and systems for use
12/16/2014US8910707 Cement head
12/11/2014US20140361497 Swellable energizers for oil and gas wells
12/11/2014US20140360731 Blowout Preventer Shut-In Assembly of Last Resort
12/11/2014US20140360721 Cement composition with fly ash
12/11/2014US20140360720 Atmospheric ball injecting apparatus, system and method for wellbore operations
12/10/2014CN204002689U 一种复合桥塞用分体式支撑套 A composite bridge plug set with split support
12/10/2014CN204002688U 钻孔封堵器 Drilling occluder
12/10/2014CN204002687U 水平井固井免钻盲板固井装置 Horizontal wells drilled Blind cementing cementing free device
12/10/2014CN204002686U 一种具有双重密封结构的浮箍 Float collar having a double sealing structure
12/10/2014CN204002685U 一种全液压固井车 Cementing a fully hydraulic drive
12/10/2014CN204002684U 一种扩张式封隔器 An expansive packer
12/10/2014CN204002683U 丢手封井器 Throw hand blowout preventer
12/10/2014CN204002682U 油井化堵用分层封隔器 Well of blocking Hierarchical packer
12/10/2014CN204002681U 一种用于油田裸眼井的堵水封隔器 An oilfield openhole packer water shutoff
12/10/2014CN204002680U 一种全通径球座 An all bore tee
12/10/2014CN204002679U 防止锁定机构过载的裸眼封隔器 Locking mechanism to prevent overload of openhole packers
12/10/2014CN204002678U 一种水下采油井堵漏器 Underwater oil well plugging
12/10/2014CN204002677U 一种防止油堵泄漏的结构 An oil leak structure prevents blocking
12/10/2014CN204002676U 一种建筑工地用井口旋架 One kind of swing-frame construction sites wellhead
12/10/2014CN204002675U 多功能手动轻型闸板防喷器 Lightweight multi manual ram BOP
12/10/2014CN204002674U 一种金属组合密封套管头 A combination of a metal seal casing head
12/10/2014CN204002673U 钻井液井口密闭式循环装置 Closed loop drilling wellhead equipment
12/10/2014CN204002672U 一种金属罩石油喷井堵井及采油器 Metal cover oil wells and oil gusher blocking device
12/10/2014CN204002671U 改进的长效节能盘根盒 Improved long-term energy-saving packing boxes
12/10/2014CN204002666U 一种射孔用井口紧急关断器 Perforating with wellhead emergency shutdown device
12/10/2014CN204002661U 作业井控封井器运移车 Job well control blowout preventer transport vehicles
12/10/2014CN104204401A 刮擦塞元件以及使油井环境增产的方法 Scratch plug element and method of making the well stimulation environment
12/10/2014CN104196502A 防砂式偏心配水器 Sand eccentric water distribution
12/10/2014CN104196489A 一种柱梁式注浆装置及其封孔注浆工艺 One kind of device and column grouting and sealing grouting process
12/10/2014CN104196488A 水下勘探孔封孔工艺 Underwater exploration hole sealing process
12/10/2014CN104196487A 一种评价调堵剂在低渗透裂缝岩心中适应性的实验方法 An evaluation of the adaptability of plugging agent experimental methods in low permeability fractured cores
12/10/2014CN104196486A 一种负压坐封封隔器 One kind of vacuum packer packer
12/10/2014CN104196485A 管道内封堵器 Pipeline occluder
12/10/2014CN104196484A 矿井钻孔泄压时的防喷冲施工方法 BOP punch mine construction methods when drilling relief
12/10/2014CN104196483A 气动井口截断装置 Wellhead pneumatic shutoff device
12/10/2014CN104196464A 管柱串及桥塞坐封与喷砂射孔联作的方法 String string and bridge plug and packer blasting method Perforation
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