| Patents for E21B 43 - Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells (64,186) |
|---|
| 02/03/2011 | WO2011014055A1 A system for completing wells in unconsolidated subterranean zone |
| 02/03/2011 | WO2011013056A2 Methods and apparatus for multilateral multistage stimulation of a well |
| 02/03/2011 | WO2011012861A1 Methods of fluid loss control and fluid diversion in subterranean formations |
| 02/03/2011 | WO2011012177A1 Flow control filter |
| 02/03/2011 | WO2011011817A1 Drill apparatus |
| 02/03/2011 | WO2010141199A3 Permeability flow balancing within integral screen joints and method |
| 02/03/2011 | WO2010141195A3 Permeability flow balancing within integral screen joints and method |
| 02/03/2011 | WO2010126925A3 Wellbore fluids employing sacrificial viscosifiers |
| 02/03/2011 | US20110024131 Method for recovering oil from an oil well |
| 02/03/2011 | US20110024130 Plunger lift with chemical injection |
| 02/03/2011 | US20110024129 Powder coated proppant and method of making the same |
| 02/03/2011 | US20110024128 Enhancing Emulsion Stability |
| 02/03/2011 | US20110024127 Assembly and method for production of gas or gas and condensate/oil |
| 02/03/2011 | US20110024126 Method for producing hydrocarbons through a well or well cluster of which the trajectory is optimized by a trajectory optimisation algorithm |
| 02/03/2011 | US20110024125 Space-Time Surrogate Models of Subterranean Regions |
| 02/03/2011 | US20110024124 Caisson Two-Phase Emulsion Reducer |
| 02/03/2011 | US20110024123 Esp for perforated sumps in horizontal well applications |
| 02/03/2011 | US20110024122 Methods and systems of treating a wellbore |
| 02/03/2011 | US20110024121 Method and apparatus for multilateral multistage stimulation of a well |
| 02/03/2011 | US20110024117 Device and method to reduce breakdown/fracture initiation pressure |
| 02/03/2011 | US20110024116 Electric and Ballistic Connection Through A Field Joint |
| 02/03/2011 | US20110024112 Debris-catching attachment device and method therefor |
| 02/03/2011 | US20110024111 Apparatus and methods for inserting and removing tracer materials in downhole screens |
| 02/03/2011 | US20110024110 Three-phase separation downhole |
| 02/03/2011 | US20110024107 Downhole fluid injection dispersion device |
| 02/03/2011 | US20110024105 Multi-zone Screen Isolation System with selective Control |
| 02/03/2011 | US20110024104 Three phase electrical wet connector for a downhole tool |
| 02/03/2011 | DE102009035315A1 Filter Filter |
| 02/03/2011 | CA2769601A1 Apparatus and method for controlling water in-flow into wellbores |
| 02/03/2011 | CA2769173A1 Microemulsion to improve shale gas production by controlling water imbibition |
| 02/03/2011 | CA2751907A1 Composition and method for producing an ultra-lightweight ceramic proppant |
| 02/02/2011 | EP2280174A1 Hydraulic cylinder, oil pumping unit, oil pumping module and oil pumping system |
| 02/02/2011 | EP2279326A1 Methods for generation of subsurface heat for treatment of a hydrocarbon containing formation |
| 02/02/2011 | CN201730812U Full automatic variable frequency control coal mine underground fracturing pump group |
| 02/02/2011 | CN201730604U Spiral passive gas-liquid separator |
| 02/02/2011 | CN201730603U Large-delivery capacity and large-sand capacity sand sprayer |
| 02/02/2011 | CN201730602U Low-shearing anti-blockage injection distributor |
| 02/02/2011 | CN201730601U Injection distributor |
| 02/02/2011 | CN201730600U External-adjustment plugging device |
| 02/02/2011 | CN201730599U Quantitative adjustable straight way throttle valve for oil extraction and gas production |
| 02/02/2011 | CN201730598U Sand-proof apparatus |
| 02/02/2011 | CN201730597U Mechanical framework assembly for assembling direct drive motor to walking-beam pumping unit |
| 02/02/2011 | CN201730596U Tower type combined transmission numerical-controlled oil extractor |
| 02/02/2011 | CN201730595U Counterweighted oil extraction unit |
| 02/02/2011 | CN201730594U Valve type rope hanger |
| 02/02/2011 | CN201730582U Constant flow adjustable blanking plug |
| 02/02/2011 | CN201730581U Regulable constant current stopper |
| 02/02/2011 | CN1957157B Perforating gun assembly and method for enhancing perforation depth |
| 02/02/2011 | CN101965437A 流体分配系统 A fluid distribution system |
| 02/02/2011 | CN101963053A Power assembly of positioning and reversing pumping unit |
| 02/02/2011 | CN101628335B Automatic spinning device of perforating bullet cumulative cover and forming method |
| 02/02/2011 | CN101205805B Oil production string |
| 02/01/2011 | US7879769 Quaternary ammonium compounds with two cationic sites connected through a linker; hydraulic fluids, demulsifiers, foamers, organoclays, thickeners, biocides, and oil field fluids. |
| 02/01/2011 | US7879767 A gelled aqueous viscoelastic treating fluid of an aqueous base fluid, a non-ionic amine oxide viscoelastic surfactant gelling agent; and the aqueous viscoelastic treating fluid additive soluble in the fluid and consisting of polyamines, polyvinyl alcohols, and/or polycaprolactams; fracturing oil wells |
| 02/01/2011 | US7878767 Cyclonic, debris removing valve and method |
| 02/01/2011 | US7878251 Multiple stage tool for use with plunger lift |
| 02/01/2011 | US7878250 System and method for automating or metering fluid recovered at a well |
| 02/01/2011 | US7878249 Communication system and method in a multilateral well using an electromagnetic field generator |
| 02/01/2011 | US7878248 System, method, and apparatus for post-fracture treatment |
| 02/01/2011 | US7878247 Methods for cleaning out horizontal wellbores using coiled tubing |
| 02/01/2011 | US7878246 Methods of perforation using viscoelastic surfactant fluids and associated compositions |
| 02/01/2011 | US7878240 Downhole swaging system and method |
| 02/01/2011 | CA2619980C Tri-line power cable for electrical submersible pump |
| 02/01/2011 | CA2593876C Apparatus and methods for delivering chemicals into an underground well |
| 02/01/2011 | CA2582488C Perforation alignement tool for jet drilling, perforating and cleaning |
| 02/01/2011 | CA2568943C Fluid clarification system, method, and apparatus |
| 02/01/2011 | CA2531031C Subsea compressor module and a method for controlling the pressure in such a subsea compressor module |
| 02/01/2011 | CA2481921C Extended range emf antenna |
| 01/31/2011 | CA2711877A1 Stand-alone frac liner system |
| 01/31/2011 | CA2710079A1 Esp for perforated sumps in horizontal well applications |
| 01/31/2011 | CA2691769A1 Method and apparatus for multilateral multistage stimulation of a well |
| 01/29/2011 | CA2711019A1 Plunger lift with chemical injection |
| 01/29/2011 | CA2710967A1 Debris-catching attachment device and method therefor |
| 01/29/2011 | CA2710246A1 Method of servicing high temperature wells |
| 01/27/2011 | WO2011011612A2 Wired conduit segment and method of making same |
| 01/27/2011 | WO2011011608A2 Apparatus and method for coupling conduit segments |
| 01/27/2011 | WO2011011169A2 Self-adjusting in-flow control device |
| 01/27/2011 | WO2011010985A1 Method for making gravel filters in oil wells |
| 01/27/2011 | WO2011010944A1 Device for liquid removal from a drilled hole equipped for gas production from an underground accumulation |
| 01/27/2011 | WO2011010113A2 Method for inducing fracture complexity in hydraulically fractured horizontal well completions |
| 01/27/2011 | WO2011009610A1 Method for integrated enhanced oil recovery from heterogeneous reservoirs |
| 01/27/2011 | WO2011009469A1 Separation apparatus for tubular flow-through apparatuses |
| 01/27/2011 | WO2011009290A1 Flow control screen tube for use in oil recovery process |
| 01/27/2011 | WO2010140116A3 Ground water purification plant based on biological oxidation and reduction processes |
| 01/27/2011 | WO2010139938A3 Proppant addition method and system |
| 01/27/2011 | WO2010118535A4 Artificial lift and transfer pump |
| 01/27/2011 | WO2010114592A3 Anchor and hydraulic setting assembly |
| 01/27/2011 | US20110017648 Water-storage and water-purification system |
| 01/27/2011 | US20110017470 Self-adjusting in-flow control device |
| 01/27/2011 | US20110017468 Method of producing hydrocarbons through a smart well |
| 01/27/2011 | US20110017467 Multi-Section Tree Completion System |
| 01/27/2011 | US20110017465 Riser support |
| 01/27/2011 | US20110017462 Method and composition for enhanced hydrocarbons recovery |
| 01/27/2011 | US20110017461 Process for consolidating sand |
| 01/27/2011 | US20110017460 Method of enhancing adsorption of an inhibitor onto a wellbore region |
| 01/27/2011 | US20110017459 Apparatus for fluidizing formation fines settling in production well |
| 01/27/2011 | US20110017458 Method for Inducing Fracture Complexity in Hydraulically Fractured Horizontal Well Completions |
| 01/27/2011 | US20110017457 Environmental compositions and methods for well treatment |
| 01/27/2011 | US20110017456 Method and Device for Feeding Liquefied Carbon-Dioxide Gas into an Aquifer Deep Underground |
| 01/27/2011 | US20110017455 Hydrocarbon recovery method |