| 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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| 12/23/2009 | CN201367890Y Remote control fluid speed regulating device |
| 12/23/2009 | CN201367889Y Embedded bridging fibril sand-protecting sieve tube |
| 12/23/2009 | CN201367888Y Gantry type support and automatic balance walking beam type oil extractor |
| 12/23/2009 | CN201367887Y Reciprocating permanent magnet outer rotor double-disk surface motor-driven oil extractor |
| 12/23/2009 | CN201367886Y Adjustable stroke and stroke frequency type combined oil extractor |
| 12/23/2009 | CN201367885Y Long-stroke dragging oil extractor |
| 12/23/2009 | CN101611216A Preconditioning an oilfield reservoir |
| 12/23/2009 | CN101611114A Proppant and method for higher production of a well |
| 12/23/2009 | CN101608543A Cleaning fracturing outlet liquid recovery oil displacement and plugging relief technology |
| 12/23/2009 | CN101608542A Biological enzyme fracturing outlet liquid recovery oil displacement and plugging relief technology |
| 12/23/2009 | CN101608541A Adjustable and balancing upper connecting cross bar structural walking-beam pumping unit |
| 12/23/2009 | CN101608540A Long-stroke energy-saving oil extractor |
| 12/23/2009 | CN101608536A Passive type multifunctional well head backflow dredging compensating device |
| 12/23/2009 | CN101608118A Inhibitor for preventing the formation of natural gas hydrates of high-sulfur acid gas fields |
| 12/23/2009 | CN100573076C Crossbeam type oil pumping machine load sensor calibration system and its calibration method |
| 12/23/2009 | CN100572748C Method and system for circulating fluid in a well system |
| 12/23/2009 | CN100572747C Multiple azimuth control of vertical hydraulic fractures in unconsolidated and weakly cemented sediments |
| 12/23/2009 | CN100572746C Fire-flooding layered injection steam and air method |
| 12/23/2009 | CN100572745C Power generating state energy recycling electric hydraulic pressure energy-saving balance beam type pumping machine |
| 12/23/2009 | CN100572492C Horizontal well segmenting perforating compression fracture technique and rubber plug of self-breaking glue solution bung |
| 12/23/2009 | CA2728427A1 Producing gaseous hydrocarbons from hydrate capped reservoirs |
| 12/23/2009 | CA2728013A1 Maintaining shale stability by pore plugging |
| 12/23/2009 | CA2727422A1 Wellbore servicing compositions comprising a density segregation inhibiting composite and methods of making and using same |
| 12/23/2009 | CA2727334A1 Method and apparatus for configuring oil and/or gas producing system |
| 12/23/2009 | CA2727027A1 Downhole shut off assembly for artificially lifted wells |
| 12/23/2009 | CA2726298A1 Frac adapter for wellhead |
| 12/23/2009 | CA2722859A1 Hydrocarbons processing using radiation |
| 12/22/2009 | US7635430 Relating to well head separators |
| 12/22/2009 | US7635030 Inverted electrical submersible pump completion to maintain fluid segregation and ensure motor cooling in dual-stream well |
| 12/22/2009 | US7635028 An oil field treatment composition comprising an aqueous fluid, a nonpolymeric viscosifier, and an acidic internal breaker from 0.005-5 wt %; delayed breaking of viscoelastic surfactant gels inside formation pores, particularly for use in hydraulic fracturing; no mechanical intervention necessary |
| 12/22/2009 | US7635027 Method and apparatus for completing a horizontal well |
| 12/22/2009 | US7635025 Cogeneration systems and processes for treating hydrocarbon containing formations |
| 12/22/2009 | US7635024 Heating tar sands formations to visbreaking temperatures |
| 12/22/2009 | US7635023 Time sequenced heating of multiple layers in a hydrocarbon containing formation |
| 12/22/2009 | US7635022 Pumping system |
| 12/22/2009 | US7635021 Downhole cutting tool using a single piece tubular with a radially displaceable portion |
| 12/22/2009 | US7634942 Tubing expansion |
| 12/22/2009 | CA2585069C Methods for producing fluids from acidized and consolidated portions of subterranean formations |
| 12/22/2009 | CA2575062C Method and apparatus for assembling stackable gun system inside a well bore |
| 12/22/2009 | CA2522343C Method of disposing of produced water from a hydrocarbon producing well |
| 12/22/2009 | CA2462115C Method and apparatus for expanding and separating tubulars in a wellbore |
| 12/22/2009 | CA2453677C Downhole gas separation method and system |
| 12/22/2009 | CA2440927C Protection scheme for deployment of artificial lift devices in a wellbore |
| 12/22/2009 | CA2412931C Apparatus and method for downhole fluid separation |
| 12/22/2009 | CA2179573C Method for hydrotreating and upgrading heavy crude oil during production |
| 12/19/2009 | CA2668983A1 Pipeless sagd system and method |
| 12/18/2009 | CA2665240A1 Esp motor windings for high temperature environments |
| 12/17/2009 | WO2009152130A2 Wire wrap screen manufacturing method |
| 12/17/2009 | WO2009152110A1 Pressure and friction reducing flow adapter |
| 12/17/2009 | WO2009152061A1 Parallel fracturing system for wellbores |
| 12/17/2009 | WO2009151850A1 Downhole filter tool |
| 12/17/2009 | WO2009150698A1 Method of oil recovery and injection fluid for oil recovery |
| 12/17/2009 | WO2009150407A1 Motor assembly |
| 12/17/2009 | WO2009150402A2 Method of enhancing treatment flued placement in shale, clay, and/or coal bed formations |
| 12/17/2009 | WO2009150142A1 Installation for the extraction of fluid from an expanse of water, and associated method |
| 12/17/2009 | WO2009149519A1 System for cultivation and processing of microorganisms and products therefrom |
| 12/17/2009 | US20090309408 Method and system for solution mining |
| 12/17/2009 | US20090308616 Method and Apparatus for a Monodiameter Wellbore, Monodiameter Casing, Monobore, and/or Monowell |
| 12/17/2009 | US20090308613 Method and apparatus to treat a well with high energy density fluid |
| 12/17/2009 | US20090308612 Method for wellbore servicing to enhance the mechanical strength of cement using electrochemically activated water |
| 12/17/2009 | US20090308610 Proppants and anti-flowback additives made from sillimanite minerals, methods of manufacture, and methods of use |
| 12/17/2009 | US20090308609 Water injection systems and methods |
| 12/17/2009 | US20090308608 Field Managment For Substantially Constant Composition Gas Generation |
| 12/17/2009 | US20090308607 System and method for maintaining operability of a downhole actuator |
| 12/17/2009 | US20090308606 Diluent-Enhanced In-Situ Combustion Hydrocarbon Recovery Process |
| 12/17/2009 | US20090308605 Methodolgy and apparatus for programmable robotic rotary mill cutting of multiple nested tubulars |
| 12/17/2009 | US20090308602 Combined three-in-one fracturing system |
| 12/17/2009 | US20090308599 Method of enhancing treatment fluid placement in shale, clay, and/or coal bed formations |
| 12/17/2009 | US20090308598 Process to Increase the Area of Microbial Stimulation in Methane Gas Recovery in a Multi Seam Coal Bed/methane Dewatering and Depressurizing Production System Through the Use of Horizontal or Multilateral Wells |
| 12/17/2009 | US20090308597 Pressure and Friction Reducing Flow Adapter |
| 12/17/2009 | US20090308594 Method for expanding a tubular element |
| 12/17/2009 | US20090308591 Mover stabilizing and stator cooling arrangement of a 3-phase linear motor of a submersible oil pump |
| 12/17/2009 | US20090308589 Combined ftc support system |
| 12/17/2009 | CA2727288A1 Installation for the extraction of fluid from an expanse of water, and associated method |
| 12/17/2009 | CA2727203A1 Motor assembly |
| 12/17/2009 | CA2639891A1 Process to increase the area of microbial stimulation in methane gas recovery in a multi seam coal bed/methane dewatering and depressurizing production system through the use of horizontal or multilateral wells |
| 12/16/2009 | EP2133978A1 Motor assembly |
| 12/16/2009 | EP2132409A1 Apparatus, system, and method for determining injected fluid vertical placement |
| 12/16/2009 | EP2132408A1 Systems and methods for reducing pump downtime by determining rotation speed using a variable speed drive |
| 12/16/2009 | CN201365183Y Magneto-electric efficient energy-saving lifting power machine |
| 12/16/2009 | CN201364088Y Shaped charge liner and perforating gun of cumulative blasting cartridge |
| 12/16/2009 | CN201363711Y Steam injection quality monitor for steam boiler |
| 12/16/2009 | CN201363266Y Air cylinder tail bearing seat matched with air pump set for use |
| 12/16/2009 | CN201363265Y Bearing box for connecting air pump set with pumping unit walking beam |
| 12/16/2009 | CN201363262Y Well-used brine pump for eliminating crystals inside well-used brine pump quickly |
| 12/16/2009 | CN201363261Y Anti-burying oil-well pump |
| 12/16/2009 | CN201363260Y Phase-change energy-saving environmental-protection oil pumping unit by utilizing heat energy to convert carbon dioxide |
| 12/16/2009 | CN201363134Y Oil and gas separation integrated device |
| 12/16/2009 | CN201363133Y Hollow-type lifting sealed tube pillar |
| 12/16/2009 | CN201363132Y Ground control type layer-change water injection string |
| 12/16/2009 | CN201363131Y Continuous liquor drainage vehicle |
| 12/16/2009 | CN201363130Y Gas anchor type double-flushing and double-filtering impurity sieve tube |
| 12/16/2009 | CN201363129Y Inverse flow prevention slotted uniflow sand screen |
| 12/16/2009 | CN201363128Y High intensity compound sand control screen |
| 12/16/2009 | CN201363127Y Direct-driving beam-pumping unit of permanent-magnet synchronous rotating motor |
| 12/16/2009 | CN201363126Y Wind power oil extractor |
| 12/16/2009 | CN201363125Y Double-well-shared oil extractor |
| 12/16/2009 | CN201363124Y Vertical pumping unit balance box anti-dropping device |
| 12/16/2009 | CN201363123Y Oil extracting device of directional well screw pumps |
| 12/16/2009 | CN201363122Y Stressed energy-saving petroleum pumping equipment after gravity balance curving |