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)
07/2014
07/09/2014CN203702075U 液压封隔器 Hydraulic packer
07/09/2014CN203702074U 可洗井长胶筒压差式注水封隔器 Washable long plastic tube wells pressure water injection packer
07/09/2014CN203702073U 一种煤矿用三壁注水封孔器 One kind of coal with three walls of water sealing device
07/09/2014CN203702072U 螺杆泵整体式井下防喷限位器 Screw downhole overall BOP stopper
07/09/2014CN203702071U 竖井探水注浆施工的防突水顶钻装置 Shaft exploring water grouting construction of water inrush top anti-drilling devices
07/09/2014CN203702070U 一种煤矿低抽巷穿层钻孔返渣封孔装置 One kind Mine Drainage Roadway Borehole low back slag sealing device
07/09/2014CN203702069U 钻井防喷装置 Drilling Blowout Preventer
07/09/2014CN203702068U 手动液压单闸板防喷器 Manual hydraulic single ram BOP
07/09/2014CN203702067U 井下作业循环式替泥浆工具 Downhole tools circulating for mud
07/09/2014CN203702066U 自动全调心套装套取式盘根盒 Automatic full-aligning suit taking style packing boxes
07/09/2014CN203702065U 油井井口原油收集装置 Wellhead crude oil collection device
07/09/2014CN203702064U 井口油管封堵装置 Wellhead tubing occlusion device
07/09/2014CN203702063U 采油树防盗护罩 Christmas tree theft shield
07/09/2014CN203702062U 可调偏抽油井光杆密封器 Partial adjustable rod pumping wells sealer
07/09/2014CN203702061U 一种高压自封芯子 A high-pressure self-proclaimed core
07/09/2014CN203702060U 井口溢流盒 Wellhead overflow box
07/09/2014CN203702059U 一种注水井口装置 One kind of injection wellhead
07/09/2014CN203702058U 采油井口装置 Wellhead equipment
07/09/2014CN203702057U 一种具有拆装工具的油管挂堵塞器 Tubing having a clogged filter removal tools hanging
07/09/2014CN203702047U 锚定结构及井下堵塞装置 Anchoring structures and downhole plugging device
07/09/2014CN203701958U 一种小型液压式带压钻孔机 A small hydraulic drilling machine with pressure
07/09/2014CN103917740A 对钻井操作中的流量转送的抢先处理的设定点压力补偿 Processing of the first to transfer the flow rate of drilling operations of the set point pressure compensation
07/09/2014CN103917739A 波诱导设备、套管系统和在井眼中接合套管的方法 The method of wave-induced equipment, systems and casing in the wellbore casing engagement
07/09/2014CN103917738A 钻井致动器，处理柱以及其方法 Drilling actuator handle column and its methods
07/09/2014CN103917737A 使用右旋扭矩来允许夹头支柱移动的应急释放装置 Emergency release device uses clockwise torque to allow movement of the chuck pillar
07/09/2014CN103917735A 通用管螺纹保护器 Universal pipe thread protectors
07/09/2014CN103912246A 组合式射孔结构地热井 Modular structure of geothermal wells perforating
07/09/2014CN103912238A 一种被动式上行孔注浆封孔逆止塞及注浆封孔方法 A passive check plug up the hole grouting sealing sealing and grouting method
07/09/2014CN103912237A 一种水泥承留器 A cement Retainers
07/09/2014CN103912236A 一种连续油管尾管堵塞装置 A continuous tubing tail pipe plugging device
07/09/2014CN103912235A 一种适合热采井的井下密封结构 A heat recovery wells downhole seal structure for
07/09/2014CN103912234A 蜗牛式井口密封器 Snail wellhead sealer
07/09/2014CN103912233A 防喷孔自动封口器 BOP bore automatic sealing device
07/09/2014CN103911130A 一种储气库井斜井段防托压润滑钻井液及其防托压润滑方法 One kind of gas storage wells deviated section torr pressure lubrication fluids and anti-anti-Tropsch pressure lubrication method
07/09/2014CN102767346B 快速封孔器 Fast sealing device
07/09/2014CN102454380B 一种钻具水眼自动投球装置 An automatic water hole drill pitching device
07/09/2014CN102305048B 控制井眼的环形体积内的压力 Control wellbore pressure within the annular volume
07/09/2014CA2836295A1 Downhole tool apparatus with slip plate and wedge
07/08/2014US8770541 Sealing apparatus and method
07/08/2014US8770305 Modular hydraulic packer-and-port system
07/08/2014US8770298 Safety mechanism for blowout preventer
07/08/2014US8770297 Subsea internal riser rotating control head seal assembly
07/08/2014US8770293 Multiple activation-device launcher for a cementing head
07/08/2014US8770292 Heatable material for well operations
07/08/2014US8770291 Hybrid cement set-on-command compositions and methods of use
07/08/2014US8770277 Frac head with sacrificial wash ring
07/08/2014US8770276 Downhole tool with cones and slips
07/08/2014US8770274 Shear seal blowout preventer
07/08/2014CA2698712C Geothermal liner system with packer
07/03/2014WO2014106248A1 Optical feedback to monitor and control laser rock removal
07/03/2014WO2014105629A2 Reinforced variable ram packer using fabric
07/03/2014WO2014105627A2 Dual compound variable ram packer
07/03/2014WO2014105391A2 Seal with flexible nose for use with a lock-down ring on a hanger in a wellbore
07/03/2014WO2014105043A1 System and method for managing pressure when drilling
07/03/2014WO2014105022A1 Autonomous painted joint simulator and method to reduce the time required to conduct a subsea dummy run
07/03/2014WO2014101653A1 Drilling hole sealing apparatus and method using flexible filling material
07/03/2014WO2014078302A3 Apparatus and methods for releasing drilling rig and blowout preventer (bop) prior to cement bonding
07/03/2014WO2014051694A3 Subsea well containment systems and methods
07/03/2014WO2013135694A3 Method of and apparatus for drilling a subterranean wellbore
07/03/2014WO2013076499A3 Improvements in or relating to wireless data recovery
07/03/2014US20140183824 Seal with flexible nose for use with a lock-down ring on a hanger in a wellbore
07/03/2014US20140183382 Dual compound variable ram packer
07/03/2014US20140183381 Reinforced variable ram packer using fabric
07/03/2014US20140182862 Downhole Tool Having Setting Valve for Packing Element
07/03/2014US20140182860 Tubing Hanger Assembly with Single Trip Internal Lock Down Mechanism
07/03/2014US20140182858 Plug tooling package with integrated sequence valves
07/03/2014US20140182854 Fluid loss control pill with internal breaker and method
07/03/2014US20140182852 Method and apparatus for dropping a pump down plug or ball
07/03/2014US20140182847 Wellhead Sealing System and Method
07/03/2014US20140182838 Multi-level sliding sleeve
07/02/2014EP2749730A1 Anchor and Hydraulic Setting Assembly
07/02/2014EP2748420A2 Systems and methods for gravel packing wells
07/02/2014EP2748414A1 Sealing device for well components
07/02/2014EP2748413A2 Completing underwater wells
07/02/2014EP2748411A1 A contigency release device that uses right-hand torque to allow movement of a collet prop
07/02/2014EP2748407A2 Downhole tool and method of use
07/02/2014EP2748405A2 Universal pipe thread protector
07/02/2014CN203685138U 采气工艺管柱 Gas Production string
07/02/2014CN203685121U 组合密封结构的耐高温高压快速可钻复合材料桥塞 Combination of high temperature high pressure seal structure can be drilled fast composite bridge plug
07/02/2014CN203685120U 电缆桥塞 Cable bridge plug
07/02/2014CN203685119U 井下作业注塞用套管胶塞 Downhole injection cannula stopper plug
07/02/2014CN203685118U 多级液压桥塞坐封装置 Multi-stage hydraulic bridge plug packer device
07/02/2014CN203685117U 电动液压桥塞坐封装置 Electro-hydraulic bridge plug packer device
07/02/2014CN203685116U 新型采油热洗丢手封隔器 The new oil hot wash hand packers lost
07/02/2014CN203685115U 一种永久式封隔器用的胶筒防突环 A permanent packer Used plastic tube outburst prevention ring
07/02/2014CN203685114U 采油封隔装置 Oil containment device
07/02/2014CN203685113U 一种适用于高温高压施工条件下的四级压缩式封隔器 One for high temperature and pressure conditions of the four construction compression packer
07/02/2014CN203685112U 大面积承压式封隔器 Large pressure packer
07/02/2014CN203685111U 一种封隔器胶筒接触应力试验装置 A packer cones contact stress test equipment
07/02/2014CN203685110U 一种液压坐封堵水封隔器 A hydraulic seal packer sit closure
07/02/2014CN203685109U 双组胶筒封隔器 Dual cones packer
07/02/2014CN203685108U 分级座封可钻式球座 Grade seat seal drillable tee
07/02/2014CN203685107U 一种油田测试防喷装置 One kind of field test blowout preventer
07/02/2014CN203685106U 液压控制保护器 Hydraulic control protection
07/02/2014CN203685105U 一种带压封孔装置 A tape pressure sealing device
07/02/2014CN203685104U 一种油套安全保护器 An oil jacket safety protection
07/02/2014CN203685103U 用于模拟孔渗性漏失的装置 Device used to simulate loss of porosity and permeability
07/02/2014CN203685102U 流体光杆密封器 Fluid rod sealer
07/02/2014CN203685101U 一种新型矿用瓦斯钻孔孔外封孔装置 A new mine gas drilling holes outside the sealing device
07/02/2014CN203685063U 一种螺旋钻杆及螺旋钻杆的进液装置 Inlet means a spiral drill and drill the screw
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