| 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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| 09/21/2011 | CN201982075U 分层压裂器 Layered fracturing is |
| 09/21/2011 | CN201982074U 防堵低剪切配注器 Attempts to prevent low shear with Dispenser |
| 09/21/2011 | CN201982073U 多功能集成空心配聚器 Multi-function integrated hollow with poly filter |
| 09/21/2011 | CN201982072U 注水流量调控装置 Water flow control devices |
| 09/21/2011 | CN201982071U 多喷嘴转位节流器 Indexable multi-nozzle restrictor |
| 09/21/2011 | CN201982070U 一种喷砂器 One kind of sandblasting |
| 09/21/2011 | CN201982069U 抽油机更换毛辫子装置 Pumping equipment replacement hair braids |
| 09/21/2011 | CN201982068U 省电的游梁式抽油机及其超效节能电传动组件 Saving beam pumping unit and its ultra-efficient energy-saving electric drive components |
| 09/21/2011 | CN201982067U 移动式污油回收装置 Mobile waste oil recovery |
| 09/21/2011 | CN201982066U 组合式电动滚筒抽油机 Combined electric drum pumping |
| 09/21/2011 | CN201982065U 一种数控长冲程气平衡液压抽油机 One kind of long-stroke gas balance CNC hydraulic pumping unit |
| 09/21/2011 | CN201982016U 生物核酸酶柔管水平侧钻油藏改造装置 Biological nuclease soft tube level sidetrack reservoir reconstruction device |
| 09/21/2011 | CN1975094B Steel pipe for burying and expansion and burying method of oil well steel pipe |
| 09/21/2011 | CN102197191A Method and device for the ''in-situ'' conveying of bitumen or very heavy oil |
| 09/21/2011 | CN102192199A Power driven system and oil pumping unit applying same |
| 09/21/2011 | CN102191933A Process for measuring and controlling produced gas of coal bed gas well |
| 09/21/2011 | CN102191932A In-situ heat injection steeping control aqueous dissolution exploitation method of glauberite ore |
| 09/21/2011 | CN102191931A Data acquisition computing system for oil and gas filed operation |
| 09/21/2011 | CN102191930A Composite balanced flexible oil pumping unit with long service life |
| 09/21/2011 | CN102191929A Vertical energy-saving pumping unit |
| 09/21/2011 | CN102191928A Special-shaped walking beam stroke-lengthening composite balanced oil pumping unit |
| 09/21/2011 | CN102191927A Planet rack linear oil sucking machine |
| 09/21/2011 | CN102191919A Thermal compensation oil casing joint |
| 09/21/2011 | CN102190603A Non-estrogenic alkylphenol derivatives |
| 09/21/2011 | CN101865450B Offshore platform thermal recovery fuel oil or fuel gas steam injection boiler |
| 09/21/2011 | CN101642686B Polymer uniform mixer |
| 09/21/2011 | CN101315025B Construction method for rock salt cavity gas storage house |
| 09/20/2011 | US8022018 Quaternized dithiazines and method of using same in treatment of wells |
| 09/20/2011 | US8022017 Method of using dithiazine to inhibit corrosion |
| 09/20/2011 | US8022015 Method of fracturing with phenothiazine stabilizer |
| 09/20/2011 | US8022014 Deep eutectic solvents and applications |
| 09/20/2011 | US8021461 Remedial heap treatment |
| 09/20/2011 | US8020625 Monobore construction with dual expanders |
| 09/20/2011 | US8020624 Submersible pumping system |
| 09/20/2011 | US8020621 Downhole applications of composites having aligned nanotubes for heat transport |
| 09/20/2011 | US8020620 Methods of producing flow-through passages in casing, and methods of using such casing |
| 09/20/2011 | US8020619 Severing of downhole tubing with associated cable |
| 09/20/2011 | US8020617 Well treatment to inhibit fines migration |
| 09/20/2011 | US8020615 Truck-mounted pumping system for treating a subterranean formation via a well with a mixture of liquids |
| 09/20/2011 | CA2663337C Apparatus and method for injecting fluids in a subterranean location |
| 09/20/2011 | CA2591337C Downhole steam generation system and method |
| 09/20/2011 | CA2578501C Adjustable venturi valve |
| 09/20/2011 | CA2545354C Method of reducing sand production from a wellbore |
| 09/20/2011 | CA2497269C Methods and systems to activate downhole tools with light |
| 09/20/2011 | CA2493100C A drag-reducing agent for use in injection water at oil recovery |
| 09/18/2011 | CA2734350A1 Apparatus and methods for running liners in extended reach wells |
| 09/18/2011 | CA2732710A1 Deep steam injection systems and methods |
| 09/17/2011 | CA2735428A1 Hydrocarbon-based fluid compositions and methods of using same |
| 09/15/2011 | WO2011112772A2 System and method for separating solids from fluids |
| 09/15/2011 | WO2011112646A2 Shaped charge liner comprised of reactive materials |
| 09/15/2011 | WO2011112513A2 A downhole steam generator and method of use |
| 09/15/2011 | WO2011091143A3 System and method for filtering sand in a wellbore |
| 09/15/2011 | WO2011075242A3 Kinetic gas hydrate inhibitors in completion fluids |
| 09/15/2011 | WO2011071642A4 Multiple port crossover tool with port selection feature |
| 09/15/2011 | WO2011032019A3 Subsurface reservoir analysis based on fluid injection |
| 09/15/2011 | US20110220371 System and method for fluid treatment |
| 09/15/2011 | US20110220366 Process for extracting mineral oil using surfactants based on butylene oxide-containing alkyl alkoxylates |
| 09/15/2011 | US20110220365 Process for producing mineral oil using surfactants based on c16c18-containing alkyl propoxy surfactants |
| 09/15/2011 | US20110220364 Process for mineral oil production using cationic surfactants having a hydrophobic block with a chain length of 6 to 10 carbon atoms |
| 09/15/2011 | US20110220363 Method of Treating a Wellbore Having Annular Isolation System |
| 09/15/2011 | US20110220362 Method and Materials for Proppant Flow Control With Telescoping Flow Conduit Technology |
| 09/15/2011 | US20110220361 Method and Materials for Proppant Fracturing With Telescoping Flow Conduit Technology |
| 09/15/2011 | US20110220360 Application of alkaline fluids for post-flush or post-treatment of a stimulated sandstone matrix |
| 09/15/2011 | US20110220359 Methods Relating to Modifying Flow Patterns Using In-Situ Barriers |
| 09/15/2011 | US20110220355 Non-spherical well treating particulates and methods of using the same |
| 09/15/2011 | US20110220354 Polymer gels as flow improvers in water injection systems |
| 09/15/2011 | US20110220353 Use of surfactant mixtures of polycarboxylates for microemulsion flooding |
| 09/15/2011 | US20110220352 Treatment of produced hydrocarbon fluid containing water |
| 09/15/2011 | US20110220351 Process for generating hydrogen |
| 09/15/2011 | US20110220350 Identification of lost circulation zones |
| 09/15/2011 | US20110220343 High flow intake system for submersible pumps |
| 09/15/2011 | US20110219978 Shaped Charge Liner Comprised of Reactive Materials |
| 09/15/2011 | CA2792597A1 A downhole steam generator and method of use |
| 09/15/2011 | CA2792250A1 System and method for separating solids from fluids |
| 09/15/2011 | CA2791119A1 Process for extracting mineral oil using surfactants based on butylene oxide-containing alkyl alkoxylates |
| 09/15/2011 | CA2790840A1 Method of treating a wellbore with a borated galactomannan gum |
| 09/15/2011 | CA2790693A1 Shaped charge liner comprised of reactive materials |
| 09/14/2011 | EP2364396A2 Apparatus and method for servicing a wellbore |
| 09/14/2011 | CN201973288U 用于抽油机的锥式换向阀 Cone valve for pumping |
| 09/14/2011 | CN201972689U 一种煤层气井产出气测量装置 One kind of coalbed methane wells produced gas measuring device |
| 09/14/2011 | CN201972684U 一种测量煤层气井产出液的装置 An apparatus for measuring the produced fluid CBM wells |
| 09/14/2011 | CN201972683U 一种旋流除砂装置 One kind of cyclone grit removal device |
| 09/14/2011 | CN201972682U 一种水平井注气采油封隔工艺管柱 A horizontal oil well gas injection process column packer |
| 09/14/2011 | CN201972681U 一种注热与机采一体化装置 An injection heat and apheresis device integration |
| 09/14/2011 | CN201972680U 撬装式聚合物深部调剖现场配注装置 Skid-mounted polymer deep profile site with injection device |
| 09/14/2011 | CN201972679U 天然气井泡沫排水棒自动投送装置 Automatic gas wells foam drainage rods delivery device |
| 09/14/2011 | CN201972678U 一种利用直流电场作用提高油田采收率的装置 A use of DC electric field enhanced oil recovery device |
| 09/14/2011 | CN201972677U 油气计量装置 Oil and gas metering device |
| 09/14/2011 | CN201972676U 水平井地层供液流量控制管柱 Formation horizontal wells for fluid flow control column |
| 09/14/2011 | CN201972675U 一种煤层气井的排采控制系统 One kind of CBM well drainage control system |
| 09/14/2011 | CN201972674U 一种煤层气井的排采控制系统控制箱底座支架 One kind of CBM well drainage control system control box mounting bracket |
| 09/14/2011 | CN201972673U 海上油田零散天然气回收系统 Offshore oil and gas recovery system fragmented |
| 09/14/2011 | CN201972672U 一种前后左右可倾斜的齿轮-长环形齿条抽油机 One kind around, tiltable gear - Long Circular rack pumping |
| 09/14/2011 | CN201972671U 抽油机曲柄护栏 Pumping crank fence |
| 09/14/2011 | CN201972670U 抽油机时间控制保护器面板 Pumping time control and protection panel |
| 09/14/2011 | CN201972669U 抽油机斜拉平衡配重装置 Pumping stayed counterweight device |
| 09/14/2011 | CN201972654U 一种新型热敏封隔器 A novel thermal packer |
| 09/14/2011 | CN201972617U 一种油田管道水平脱节器 One kind of level of oil pipeline out of touch devices |
| 09/14/2011 | CN1965146B Aqueous-based tackifier fluids and methods of use |
| 09/14/2011 | CN102187056A Gas evolving oil viscosity diminishing compositions for stimulating the productive layer of an oil reservoir |