| Patents for E21B 33 - Sealing or packing boreholes or wells (33,564) |
|---|
| 10/07/2010 | US20100252329 Bearing assembly inner barrel and well drilling equipment comprising same |
| 10/07/2010 | US20100252328 Tapered surface bearing assembly and well drilling equipment comprising same |
| 10/07/2010 | US20100252280 System and Method for Servicing a Wellbore |
| 10/07/2010 | US20100252277 High Capacity Running Tool |
| 10/07/2010 | US20100252264 Method of treating a subterrancan formation with combined breaker and fluid loss additive |
| 10/07/2010 | US20100252261 Casing deformation and control for inclusion propagation |
| 10/07/2010 | US20100252256 Method of isolating a downhole zone for the gathering of data |
| 10/07/2010 | US20100252254 Apparatus and Method with Hydrocarbon Swellable and Water Swellable Body |
| 10/07/2010 | US20100252252 Hydraulic setting assembly |
| 10/07/2010 | US20100252230 Sealing device |
| 10/07/2010 | CA2757650A1 Equipment and method for reinforcing a borehole of a well while drilling |
| 10/07/2010 | CA2757512A1 Seal assembly |
| 10/07/2010 | CA2757293A1 Anchor and hydraulic setting assembly |
| 10/07/2010 | CA2757115A1 Liner hanger |
| 10/07/2010 | CA2752537A1 Blowout preventer with ram socketing |
| 10/07/2010 | CA2749255A1 Lining of wellbore tubing |
| 10/06/2010 | EP2236742A2 Method and apparatus for a packer assembly |
| 10/06/2010 | EP2236741A2 Capillary hanger arrangement for deploying control line in existing wellhead |
| 10/06/2010 | EP2236740A2 High capacity running tool |
| 10/06/2010 | EP2236739A2 Well unloading package |
| 10/06/2010 | EP2236738A2 Method and apparatus for isolating and treating discrete zones within a wellbore |
| 10/06/2010 | CN201599022U 水泥固井综合测定仪 Cementing integrated tester |
| 10/06/2010 | CN201599021U 同位素示踪剂井口插入式注入装置 Isotopic tracer injection device plug-in wellhead |
| 10/06/2010 | CN201599008U 简易井口防喷器 Simple wellhead blowout preventer |
| 10/06/2010 | CN201599007U 球阀式内外一体井下防喷器 Ball-style inside and outside one of the underground blowout preventer |
| 10/06/2010 | CN201599006U 提升阀式井下内外一体式防喷器 Poppet valve inside and outside the integrated downhole BOP |
| 10/06/2010 | CN201599005U 轻型闸板防喷器手动控制装置 Lightweight ram BOP manual control device |
| 10/06/2010 | CN201599004U 适用于失控油气井的抢装止回阀装置 Applies to runaway oil and gas wells grab loaded check valve device |
| 10/06/2010 | CN201599003U 采气井口装置 Gas Wellhead Equipment |
| 10/06/2010 | CN201599002U 自调偏磨光杆密封器 Self-adjusting bias polished rod seal device |
| 10/06/2010 | CN1633541B Riser control device |
| 10/06/2010 | CN101852070A Pressure balancing inclined plane locking-type gradually deblocking packer |
| 10/06/2010 | CN101852069A Supporting rotating control head of underbalanced coal bed methane well drilling |
| 10/06/2010 | CN101300433B Modular backup fluid supply system |
| 10/05/2010 | US7806193 Swellable packer with back-up systems |
| 10/05/2010 | US7806192 Method and system for anchoring and isolating a wellbore |
| 10/05/2010 | US7806183 rilling fluids, completion fluids, stimulation fluids, and well clean-up fluids; comprising cement, water and nano-silica particles; filling space between pipe string and subterranean formation; compressive strength, shear-bond strength, tensile strength; noncracking; mechanical properties |
| 10/05/2010 | US7806177 Retractable downhole backup assembly for circumferential seal support |
| 10/05/2010 | US7806175 Retrivevable frac mandrel and well control stack to facilitate well completion, re-completion or workover and method of use |
| 10/05/2010 | US7806174 Well jet device |
| 10/01/2010 | CA2698042A1 Method of isolating a downhole zone for the gathering of data |
| 09/30/2010 | WO2010111371A2 Downhole swellable sealing system and method |
| 09/30/2010 | WO2010111076A2 Well tools utilizing swellable materials activated on demand |
| 09/30/2010 | WO2010110967A1 Multiple offset slim connector |
| 09/30/2010 | WO2010110953A2 Full bore compression sealing method |
| 09/30/2010 | WO2010059557A3 Use of swellable material in an annular seal element to prevent leakage in subterranean well |
| 09/30/2010 | WO2010025155A4 Sand control screen assembly and method for use of same |
| 09/30/2010 | US20100243926 Blowout preventer with ram socketing |
| 09/30/2010 | US20100243276 Downhole swellable sealing system and method |
| 09/30/2010 | US20100243270 Method and apparatus for a packer assembly |
| 09/30/2010 | US20100243269 Well Tools Utilizing Swellable Materials Activated on Demand |
| 09/30/2010 | US20100243266 System and method for longitudinal and lateral jetting in a wellbore |
| 09/30/2010 | US20100243260 Modular backup fluid supply system |
| 09/30/2010 | US20100243254 Method and apparatus for isolating and treating discrete zones within a wellbore |
| 09/30/2010 | US20100243237 Stroking Tool Using at Least One Packer Cup |
| 09/30/2010 | US20100243236 Nanoparticle-densified newtonian fluids for use as cementation spacer fluids and completion spacer fluids in oil and gas wells |
| 09/30/2010 | US20100243235 Packer Providing Multiple Seals and Having Swellable Element Isolatable from the Wellbore |
| 09/30/2010 | US20100243234 A control device for an inflatable tool for the treatment of a well of a pipe |
| 09/30/2010 | US20100243233 Oilfield Stuffing Box |
| 09/30/2010 | US20100243232 Magnetic Slip Retention for Downhole Tool |
| 09/30/2010 | DE202010009624U1 Stock's Ölstopp-Silberpfeil Stock's oil stop Silver Arrow |
| 09/30/2010 | CA2756775A1 Downhole swellable sealing system and method |
| 09/30/2010 | CA2755819A1 Well tools utilizing swellable materials activated on demand |
| 09/30/2010 | CA2755199A1 Dc powered subsea inverter |
| 09/30/2010 | CA2693196A1 Oilfield stuffing box |
| 09/29/2010 | EP2233688A1 Apparatus and method for recovering fluids from a well and/or injecting fluids into a well |
| 09/29/2010 | EP2233687A1 Apparatus and method for recovering fluids from a well and/or injecting fluids into a well |
| 09/29/2010 | EP2233686A1 Apparatus and method for recovering fluids from a well and/or injecting fluids into a well |
| 09/29/2010 | EP2233684A2 Magnetic slip retention for downhole tool |
| 09/29/2010 | EP2232006A1 Improved seal |
| 09/29/2010 | CN201593445U Gas drainage hole packer |
| 09/29/2010 | CN201593415U Climbing-free blowout preventer for high pressure test of well |
| 09/29/2010 | CN201593405U Integrated tubular column for horizontal well completion and fracturing production |
| 09/29/2010 | CN201593398U Tool special for maintaining packer |
| 09/29/2010 | CN201593394U Completion tool hydraulic piston type swirl tube for sidetracking horizontal wells |
| 09/29/2010 | CN201593393U Automatic expansion type external pipe packer |
| 09/29/2010 | CN201593392U Extrusion type fracturing packer for barefoot well |
| 09/29/2010 | CN201593391U Blowout-preventing cap for oil pipes |
| 09/29/2010 | CN201593390U Energy-saving and emission-reducing oil-gas burglar alarm |
| 09/29/2010 | CN1737327B Rotating pressure control device |
| 09/29/2010 | CN101849081A Self-energizing annular seal |
| 09/29/2010 | CN101845944A Method for sealing gas drainage boreholes at specified positions |
| 09/29/2010 | CN101845943A Universal packer for through cable |
| 09/29/2010 | CN101844902A High-strength expandable mine sealing material capable of being solidified quickly |
| 09/29/2010 | CN101187300B Rotary hydraulic machinery double function expansion type tail pipe hanger |
| 09/28/2010 | US7802626 Mounts for blowout preventer bonnets and methods of use |
| 09/28/2010 | US7802620 Cementing head |
| 09/28/2010 | CA2640505C A tapered sleeve and fracturing head system for protecting a conveyance string |
| 09/28/2010 | CA2410274C Isolation of subterranean zones |
| 09/27/2010 | CA2696375A1 Additive and method for servicing subterranean wells |
| 09/25/2010 | CA2777192A1 Method and apparatus for a packer assembly |
| 09/25/2010 | CA2697394A1 Method and apparatus for isolating and treating discrete zones within a wellbore |
| 09/23/2010 | WO2010107987A1 Locking penetrator |
| 09/23/2010 | WO2010107812A1 Rolling sleeve through tubing bridge plug |
| 09/23/2010 | WO2009109625A3 Method for sealing an annular space in a wellbore |
| 09/23/2010 | US20100236794 Downhole sealing devices having a shape-memory material and methods of manufacturing and using same |
| 09/23/2010 | US20100236793 Activating mechanism |
| 09/23/2010 | US20100236780 Controlling the Pressure within an Annular Volume of a Wellbore |
| 09/23/2010 | US20100236775 Shunt tube flowpaths extending through swellable packers |
| 09/23/2010 | US20100236774 Completion system having a sand control assembly, an inductive coupler, and a sensor proximate to the sand control assembly |