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)
08/2014
08/19/2014US8807244 Method and apparatus for strengthening a wellbore
08/19/2014US8807231 Debris barrier assembly
08/19/2014US8807229 Positive locked slim hole suspension and sealing system with single trip deployment and retrievable tool
08/19/2014US8807226 Subsea wellhead assembly
08/19/2014US8807219 Blowout preventer blade assembly and method of using same
08/19/2014US8807217 Methods for using or removing unused rock debris from a passageway through subterranean strata using rock breaking apparatus
08/19/2014US8807211 Tool for shutting off openings or leaks in a well bore
08/19/2014US8807210 Downhole tool with pumpable section
08/19/2014US8807209 Swellable material and method
08/19/2014CA2829080C Tubing hanger-production tubing suspension arrangement
08/19/2014CA2787542C Downhole apparatus with packer cup and slip
08/19/2014CA2756624C Top drive for casing connection
08/19/2014CA2697394C Method and apparatus for isolating and treating discrete zones within a wellbore
08/19/2014CA2637330C Snubbing jack
08/14/2014WO2014123653A1 Floating apparatus and method for fabricating the apparatus
08/14/2014WO2014123524A1 Two phase mud flow usage with dual-string drilling system
08/14/2014WO2014123520A1 High flow area swellable cementing packer
08/14/2014WO2014123425A1 Subsea valve
08/14/2014WO2014122496A1 System and method for temporarily sealing a bore hole
08/14/2014WO2014099306A3 Flow control assemblies for downhole operations and systems and methods including the same
08/14/2014WO2014004420A3 Fiber reinforced elastomer anisotropic annular blowout preventer
08/14/2014US20140224511 Pump Drain Arrangements For Packer Systems And Methods For Sampling Underground Formations Using Same
08/14/2014US20140224505 Runnable member catcher, system and method of removing same
08/14/2014US20140224503 Hydraulic communication device
08/14/2014US20140224501 Method for stopping or at least reducing the uncontrolled release of hydrocarbons, blowout, from a hydrocarbon extraction well
08/14/2014US20140224500 Well emergency separation tool for use in separating a tubular element
08/14/2014US20140224499 Modular well intervention assembly
08/14/2014US20140224497 Elongated sealing member for downhole tool
08/14/2014US20140224489 Ammonium Halide as Gelation Retarder for Crosslinkable Polymer Compositions
08/14/2014US20140224488 System and method for temporarily sealing a bore hole
08/14/2014US20140224487 Apparatus and methods of running casing in a dual gradient system
08/14/2014US20140224479 Stage tool apparatus and components for same
08/14/2014US20140224477 Downhole Tool Having Slip Inserts Composed of Different Materials
08/14/2014US20140224476 Down hole tool having improved segmented back up ring
08/14/2014US20140224473 Methods and multi-purpose apparatus for dispensing and circulating fluid in wellbore casing
08/14/2014CA2806070A1 Method, kit and system for injecting grout into a borehole, method of deploying a tube into a borehole for grout injection and leader for use in a grout injection sustem
08/13/2014EP2765274A2 Downhole tool having slip inserts composed of different materials
08/13/2014EP2765273A2 Hard surfacing non-metallic slip components for downhole tools
08/13/2014EP2764198A2 Seal assemblies in subsea rotating control devices
08/13/2014EP2764042A1 Swellable elastomeric polymer materials
08/13/2014CN203769840U 煤矿用瓦斯抽放封孔器 Coal mine gas drainage sealing device
08/13/2014CN203769765U 顺煤层钻孔瓦斯压力测定装置 Drilling along seam gas pressure measuring device
08/13/2014CN203769757U 电驱水下应急安全控制系统 Electric drive underwater emergency safety control system
08/13/2014CN203769746U 不动管柱多段压裂分层验封管柱 Tubing stratified multi-stage fracturing test string closure
08/13/2014CN203769716U 内平衡式固井水泥头 Within a balanced cementing head
08/13/2014CN203769715U 二次压注式顺煤层深钻孔瓦斯压力测定装置 Secondary pressure injection for deep drilling along seam gas pressure measuring device
08/13/2014CN203769714U 自平衡扶正式胶筒防掉封隔器 Self-help balance out a formal proof plastic tube packer
08/13/2014CN203769713U 一种管柱堵塞器 One kind of string blanking plug
08/13/2014CN203769712U 复合材料快速可钻封隔器 Composites can be drilled fast packer
08/13/2014CN203769711U 一种封隔器 One kind of packer
08/13/2014CN203769710U 上压式防喷循环封堵工具 BOP loop closure on the compression tool
08/13/2014CN203769709U 带压作业注水打开堵塞器 Work under pressure to open clogged water filter
08/13/2014CN203769708U 钻孔涌水封堵装置 Drilling gushing closure device
08/13/2014CN203769707U 顺煤层钻孔瓦斯抽采测压一体封孔装置 Along seam gas drainage drilling manometry one sealing device
08/13/2014CN203769706U n型导向装置和井口防喷装置 n-type guide blowout preventer and wellhead
08/13/2014CN203769705U 一种热采用光杆密封器 A heat sealer by light pole
08/13/2014CN203769704U 抽油机双级自动润滑井口装置 Two-stage automatic lubrication pumping wellhead
08/13/2014CN203769703U 一种煤层气井压力计电缆井口密封接头 One kind of coalbed methane wells wellhead pressure gauge cable gland
08/13/2014CN203769702U 一种新型孔口保护装置 A new orifice protection
08/13/2014CN203769701U 一种多功能旋转封井器 A versatile rotary blowout preventer
08/13/2014CN203768926U 一种地下室深井封堵装置 One kind of deep basement sealing device
08/13/2014CN203768925U 一种基坑内降水井的封堵装置 Within a pit dewatering well plugging device
08/13/2014CN103982158A 具有由不同材料构成的卡瓦牙的井下工具 Downhole tool having slip teeth constituted by different materials
08/13/2014CN103982157A 活塞与环空相连通的液压坐封封隔器 Hydraulic piston communicating with the annulus packer packer
08/13/2014CN103982156A 防喷器闸板体导向结构 BOP ram body-oriented architecture
08/13/2014CN103982155A 一种可倾斜的实验井口密封装置 A tiltable experiment wellhead seal assembly
08/13/2014CN102863593B 一种泥饼固化剂及其制备与使用方法 One kind of cake curing agent and its preparation and use
08/13/2014CN102733776B 可捞式油管堵塞器 Tubing clogged filter can be fishing
08/13/2014CN102383758B 一种水下采油树导向基座井口锁紧装置 Underwater Christmas tree guide base wellhead locking device
08/13/2014CN102383756B 一种用于水下采油树的顶部堵塞器 Top blanking plug for a subsea tree
08/12/2014US8800954 Blow out preventers
08/12/2014US8800670 Filler rings for swellable packers and method for using same
08/12/2014US8800657 Sealing system, method of manufacture thereof and articles comprising the same
08/12/2014US8800656 Self-adaptive cements
08/12/2014US8800655 Stage cementing tool
08/12/2014US8800654 Wellbore machining device
08/12/2014US8800649 Shape memory cement annulus gas migration prevention apparatus
08/12/2014US8800648 Seal having stress control groove
08/12/2014US8800646 Safety device for retrieving component within wellhead
08/12/2014US8800605 Molded composite mandrel for a downhole zonal isolation tool
08/12/2014CA2814336C Annular barrier with safety metal sleeve
08/12/2014CA2758790C Open hole frac system
08/12/2014CA2740684C Tandem packer with compressible and swelling seals
08/12/2014CA2700574C Externally activated seal system for wellhead
08/12/2014CA2682769C Method and composition for zonal isolation of a well
08/12/2014CA2667833C Method of consolidating sand in a subterranean formation
08/07/2014WO2014120551A1 Downhole component having dissolvable components
08/07/2014WO2014120550A1 Deploying an expandable downhole seat assembly
08/07/2014WO2014120547A1 Deploying an expandable downhole seat assembly
08/07/2014WO2014120543A1 Expandable downhole seat assembly
08/07/2014WO2014120376A1 Downhole assembly
08/07/2014WO2014120130A1 Riser fluid handling system
08/07/2014WO2014120032A1 Method for enhancing fiber bridging
08/07/2014WO2014117848A1 A method of pressure testing a plugged well
08/07/2014WO2014117846A1 A method of plugging a well
08/07/2014WO2014089326A4 Apparatus and methods usable for connecting well equipment
08/07/2014WO2014053358A3 Hydraulic fracturing process and corresponding equipment
08/07/2014WO2014043022A3 Pin-actuated lock ring arrangement
08/07/2014WO2014016408A3 Plugging device
08/07/2014WO2014006385A3 Split seat shear valve
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