| 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) |
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| 02/22/2012 | CN102359361A Intelligent oil pumping system |
| 02/22/2012 | CN102359360A Stepless speed regulation type oil pump |
| 02/22/2012 | CN102359357A Method and device for expanding body under overpressure |
| 02/22/2012 | CN102359355A Concentric-tube double-tube steam injection wellhead device |
| 02/22/2012 | CN101382051B 空心杆掺水井口装置 Hollow rod watered wellhead |
| 02/22/2012 | CN101163858B 从地下地层生产碳氢化合物的现场转换系统及相关方法 Producing hydrocarbons from an underground formation site conversion system and related method |
| 02/21/2012 | US8119576 Ceramic coated particulates |
| 02/21/2012 | US8119574 High solids content slurries and methods |
| 02/21/2012 | US8119085 Heap leaching of sulphide ores |
| 02/21/2012 | US8119000 Combined degassing and floatation tank |
| 02/21/2012 | US8118103 Downhole draw-down pump and method |
| 02/21/2012 | US8118099 Method and apparatus for forming and sealing a hole in a sidewall of a borehole |
| 02/21/2012 | US8118096 Diluent-enhanced in-situ combustion hydrocarbon recovery process |
| 02/21/2012 | US8118095 In situ combustion processes and configurations using injection and production wells |
| 02/21/2012 | US8118089 Down hole delivery system |
| 02/21/2012 | US8117883 Tubing expansion |
| 02/21/2012 | CA2691546C Device, method and program product to automatically detect and break gas locks in an esp |
| 02/21/2012 | CA2631000C Apparatus, compositions, and methods of breaking fracturing fluids |
| 02/21/2012 | CA2629765C Delayed hydrocarbon gel crosslinkers and methods for making and using same |
| 02/21/2012 | CA2621125C A process for foaming a wet hydrocarbon composition |
| 02/21/2012 | CA2616055C System and methods for tubular expansion |
| 02/21/2012 | CA2569770C Water reductions in subterranean formations |
| 02/21/2012 | CA2567943C Perforating charge for use in a well |
| 02/21/2012 | CA2539244C Perforation gun system producing self-closing perforation holes |
| 02/19/2012 | CA2750032A1 Production of steam and its application for the assisted recovery of oil |
| 02/16/2012 | WO2012021810A2 Storing carbon dioxide and producing methane and geothermal energy from deep saline aquifers |
| 02/16/2012 | WO2012021649A2 Well completion and related methods for enhanced recovery of heavy oil |
| 02/16/2012 | WO2012021474A2 Downhole fracture system and method |
| 02/16/2012 | WO2012021473A1 Erosion migration arrangement, erodable member and method of migrating a slurry flow path |
| 02/16/2012 | WO2012021397A1 Crimped end wrapped on pipe well screen |
| 02/16/2012 | WO2012021373A1 Controlled release material |
| 02/16/2012 | WO2012021282A1 Method for enhanced gas hydrate permeability |
| 02/16/2012 | WO2012021260A1 Well servicing fluid |
| 02/16/2012 | WO2012021126A1 Automated controls for pump down operations |
| 02/16/2012 | WO2011163573A3 Apparatus and method for isolating and securing an underwater oil wellhead and blowout preventer |
| 02/16/2012 | WO2011158093A8 Equipment for the conveying and recovery of hydrocarbons from an underwater well for the extraction of hydrocarbons, under uncontrolled release conditions |
| 02/16/2012 | WO2011156489A3 Oil reclamation apparatus |
| 02/16/2012 | WO2011141875A3 Method and system for treating a subterranean formation |
| 02/16/2012 | WO2011095935A3 Methods of use for a positive displacement pump having an externally assisted valve |
| 02/16/2012 | US20120038174 Storing Carbon Dioxide and Producing Methane and Geothermal Energy from Deep Saline Aquifers |
| 02/16/2012 | US20120037380 Fracture valve tools and related methods |
| 02/16/2012 | US20120037379 System and Method For Providing Data Corresponding To Physical Objects |
| 02/16/2012 | US20120037373 Downhole fracture system and method |
| 02/16/2012 | US20120037372 Recovery or Storage Process |
| 02/16/2012 | US20120037371 Well Servicing Fluid |
| 02/16/2012 | US20120037370 Well completion and related methods for enhanced recovery of heavy oil |
| 02/16/2012 | US20120037368 Controlled release proppant |
| 02/16/2012 | US20120037367 Shearable drill pipe method |
| 02/16/2012 | US20120037366 Burst disk-actuated shaped charges, systems and methods of use |
| 02/16/2012 | US20120037365 Perforating gun with rotatable charge tube |
| 02/16/2012 | US20120037364 Delayed gelling agents |
| 02/16/2012 | US20120037363 Systems and methods for producing oil and/or gas |
| 02/16/2012 | US20120037362 Fluid metering tool with feedback arrangement and method |
| 02/16/2012 | US20120037359 Systems and Methods for Improved Positioning of Pads |
| 02/16/2012 | US20120037356 Universal frac sleeve |
| 02/16/2012 | CA2844919A1 Storing carbon dioxide and producing methane and geothermal energy from deep saline aquifers |
| 02/16/2012 | CA2844477A1 Well completion and related methods for enhanced recovery of heavy oil |
| 02/16/2012 | CA2807486A1 Crimped end wrapped on pipe well screen |
| 02/16/2012 | CA2805732A1 Automated controls for pump down operations |
| 02/16/2012 | CA2805615A1 Well servicing fluid |
| 02/15/2012 | EP2418349A1 Method for monitoring the oil-field development |
| 02/15/2012 | EP2418263A1 Swellable elastomer for water shut off in gravel pack |
| 02/15/2012 | EP2417330A2 Improved heat transfer through the electrical submersible pump |
| 02/15/2012 | EP2417329A2 Well screen with drainage assembly |
| 02/15/2012 | EP2417328A1 Well screen assembly with multi-gage wire wrapped layer |
| 02/15/2012 | EP2417212A1 Viscoelastic surfactants and methods of making and using same |
| 02/15/2012 | CN202144818U 一种抽油机润滑式驴头销 One kind of pumping lubricated horse head pin |
| 02/15/2012 | CN202144737U 套管气限压回收装置 Casing head gas pressure limiting recovery |
| 02/15/2012 | CN202144736U 塔架式组合传动数控抽油机 NC pumping transmission tower type combination |
| 02/15/2012 | CN102355083A Variable-stroke-frequency device of beam pumping unit |
| 02/15/2012 | CN102353040A Ultra-high pressure combustion device |
| 02/15/2012 | CN102352747A Pressure control injection yield increase method for coalbed methane well |
| 02/15/2012 | CN102352746A Reducing sliding sleeve of bushing |
| 02/15/2012 | CN102352745A Removable electric ignition device for in-situ combustion and application method thereof |
| 02/15/2012 | CN102352744A Circulating hot water heavy oil thermal recovery system for ultra-deep well and process thereof |
| 02/15/2012 | CN102352743A Optimal control theory based optimal design method of polymer flooding scheme |
| 02/15/2012 | CN102352742A Method for returning and sampling polymer solution in bottom hole |
| 02/15/2012 | CN102352741A Underground separated coupling and nozzle hydraulic mixer |
| 02/15/2012 | CN102352740A Compound balanced long-stroke oil pumping machine |
| 02/15/2012 | CN102352739A Comprehensive high-efficiency energy-saving beam oil pumping machine |
| 02/15/2012 | CN102352738A Self-balanced oil pumping machine |
| 02/15/2012 | CN102352737A Twin-well two-way hydraulic linkage oil pumping method and adopted oil pumping device thereof |
| 02/15/2012 | CN102352736A Reciprocating linear adjustable pumping unit |
| 02/15/2012 | CN102352735A Natural-gas hydrate three-dimensional experimental device and three-dimensional simulated experimental method |
| 02/15/2012 | CN102352725A Drilling jet type coal seam cutting system |
| 02/15/2012 | CN102351361A Device and technology capable of combining high-salt content oil field sewage treatment and viscous oil recovery |
| 02/15/2012 | CN102031950B 煤层顶板梳状瓦斯抽采钻孔的成孔工艺方法 Seam roof comb gas pumped into the hole drilling process for mining |
| 02/15/2012 | CN101709775B 抽油机减速箱油道解堵的方法 Pumping gearbox oil channel plugging method |
| 02/15/2012 | CN101655084B 天然气开采中的涡流排液输送器 Gas exploration in the vortex liquid discharge conveyor |
| 02/15/2012 | CN101133135B 水溶性烷基磺酸在提高地下含石油的和/或含有气体的碳酸盐岩层的渗透性以及在溶解石油生产期间的碳酸盐杂质和/或含有碳酸盐的杂质中的用途 To improve the water-soluble alkyl sulfonic acid containing subterranean oil and / or carbonate-containing gas permeability of the formation and the dissolution of carbonate impurities during the production of oil and / or carbonate-containing impurities in the use of |
| 02/15/2012 | CN101052780B 从气体水合物中释放、生产烃类的方法以及隔离二氧化碳的方法 Is released from the gas hydrates, the method for the production of hydrocarbons and a method for sequestering carbon dioxide |
| 02/14/2012 | US8114820 Compositions and methods for controlling fluid loss |
| 02/14/2012 | US8114817 Filtercake removal composition and system |
| 02/14/2012 | US8113292 Strokable liner hanger and method |
| 02/14/2012 | US8113288 System and method for optimizing production in gas-lift wells |
| 02/14/2012 | US8113284 Use of distributed temperature sensors during wellbore treatments |
| 02/14/2012 | US8113283 Methods for improving low-quality proppant and method of using low-quality proppant in subterranean operations |
| 02/14/2012 | US8113282 Apparatus and method for depositing a slurry in a well |
| 02/14/2012 | US8113281 Method and apparatus for in situ extraction of bitumen or very heavy oil |
| 02/14/2012 | US8113274 Electric submersible pumping system with gas vent |