| 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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| 01/27/2009 | CA2500163C Cementing through a side pocket mandrel |
| 01/27/2009 | CA2479960C Method for installing an expandable coiled tubing patch |
| 01/27/2009 | CA2383231C Two-step radial expansion |
| 01/27/2009 | CA2247483C Chemically induced stimulation of subterranean carbonaceous formations with aqueous oxidizing solutions |
| 01/22/2009 | WO2009012374A1 Methods for producing oil and/or gas |
| 01/22/2009 | WO2009012349A1 Subsea structure load monitoring and control system |
| 01/22/2009 | WO2009011953A1 Plugging a mined-through well |
| 01/22/2009 | WO2009009983A1 A balance type oil beam-pumping unit |
| 01/22/2009 | WO2009009920A1 A balance pumping unit with a walking beam |
| 01/22/2009 | WO2008137447A3 A method and apparatus for subterranean fracturing |
| 01/22/2009 | WO2008133732A3 Electrolytic system for enhanced release and deposition of sub-surface components |
| 01/22/2009 | WO2008131210A3 System and method for water breakthrough detection and intervention in a production well |
| 01/22/2009 | WO2008120999A3 Power lift generator |
| 01/22/2009 | WO2008112837A3 Hydraulic fracture initiation and propagation control in unconsolidated and weakly cemented sediments |
| 01/22/2009 | WO2008070343A4 Methods and apparatuses for electronic time delay and systems including same |
| 01/22/2009 | WO2008070271A4 System and method for facilitating downhole operations |
| 01/22/2009 | WO2007122430A9 Autonomous shut-off valve system |
| 01/22/2009 | US20090020292 Flow control device |
| 01/22/2009 | US20090020289 Secondary oil recovery |
| 01/22/2009 | US20090020284 Apparatus, method and system for stochastic workflow in oilfield operations |
| 01/22/2009 | CA2693942A1 Methods for producing oil and/or gas |
| 01/22/2009 | CA2693896A1 Water processing systems and methods |
| 01/21/2009 | EP2016257A2 Wellbore method and apparatus for completion, production and injection |
| 01/21/2009 | EP1509676B1 Use of surface-modified nanoparticles for oil recovery |
| 01/21/2009 | EP1381750B1 Drilling system with expandable sleeve |
| 01/21/2009 | CN201185368Y Beam type oil-pumping machine electric machine slide track |
| 01/21/2009 | CN201184835Y Calibration system for load sensor of crossbeam type oil pumping machine |
| 01/21/2009 | CN201184190Y Bridle double-safety anti-drop apparatus |
| 01/21/2009 | CN201184183Y De-sanding and de-gassing device of oil extraction screw pump |
| 01/21/2009 | CN201184182Y Coal mine down-hole coal bed gasification energy storage structure |
| 01/21/2009 | CN201184181Y Electromagnetic induction down-hole heat injecting apparatus |
| 01/21/2009 | CN201184180Y Charging apparatus of prying structure |
| 01/21/2009 | CN201184179Y Constant flow water injection apparatus of water injection well |
| 01/21/2009 | CN201184178Y Down-hole instrument capable of automatically measuring and adjusting flow |
| 01/21/2009 | CN201184177Y Water injection filtering device capable of dragging |
| 01/21/2009 | CN201184176Y Oil well head constant pressure uniform speed heating and charging apparatus |
| 01/21/2009 | CN201184175Y Perforator capable of reducing interference among cartridges |
| 01/21/2009 | CN201184174Y Oil spray nozzle of oil field self-blowing well |
| 01/21/2009 | CN201184173Y Oil pumping machine |
| 01/21/2009 | CN201184172Y Positioning rope pulley constant velocity oil pumping machine |
| 01/21/2009 | CN201184171Y Bias-wearing-proof pumping unit |
| 01/21/2009 | CN201184152Y Machine for salvaging and throwing bats |
| 01/21/2009 | CN201183707Y Marine rotary type medicament barrel suspension cage |
| 01/21/2009 | CN101351616A Wellbore intervention tool |
| 01/21/2009 | CN101349325A Overlapped parallel type involute oil-submersible screw pump planetary reducer |
| 01/21/2009 | CN101349150A Well head accompanying gas on site recovery purification method |
| 01/21/2009 | CN101349149A Gas propulsion seam-forming perforation process |
| 01/21/2009 | CN100453770C Sieve tube with flow adjuster |
| 01/21/2009 | CN100453769C Method and apparatus for making screen pipe to be drawn out easily |
| 01/20/2009 | US7478844 Pre-expanded connector for expandable downhole tubulars |
| 01/20/2009 | US7478676 Methods and devices for treating multiple-interval well bores |
| 01/20/2009 | US7478674 System and method for fracturing and gravel packing a wellbore |
| 01/20/2009 | US7478651 Bore-lining tubing |
| 01/16/2009 | CA2637543A1 Split-vane blender method and apparatus |
| 01/15/2009 | WO2009009648A2 Systems and methods for separating hydrocarbons from water |
| 01/15/2009 | WO2009009445A2 Heated fluid injection using multilateral wells |
| 01/15/2009 | WO2009009437A2 Detecting acoustic signals from a well system |
| 01/15/2009 | WO2009009412A2 Producing resources using heated fluid injection |
| 01/15/2009 | WO2009009382A2 Process for enhanced oil recovery using a microbial consortium |
| 01/15/2009 | WO2009009370A1 Proppants for gel clean-up |
| 01/15/2009 | WO2009009358A1 Method and apparatus for connecting shunt tubes to sand screen assemblies |
| 01/15/2009 | WO2009009351A1 Pressure equalizer in thrust chamber electrical submersible pump assembly having dual pressure barriers |
| 01/15/2009 | WO2009009343A2 Methods and compositions for preventing high density well completion fluid loss |
| 01/15/2009 | WO2009009336A2 Producing resources using heated fluid injection |
| 01/15/2009 | WO2009009333A2 Treating subterranean zones |
| 01/15/2009 | WO2009009297A2 Generating heated fluid |
| 01/15/2009 | WO2009009196A2 System and method for monitoring physical condition of production well equipment and controlling well production |
| 01/15/2009 | WO2009007379A2 Method of lining a well or a pipe using an inflatable bladder |
| 01/15/2009 | WO2009007325A2 Low-density composite |
| 01/15/2009 | WO2009006672A1 Fluid-fluid separator |
| 01/15/2009 | WO2008144249A3 Expandable centralizer for expandable pipe string |
| 01/15/2009 | WO2008143784A3 Apparatus for autonomously controlling the inflow of production fluids from a subterranean well |
| 01/15/2009 | WO2008142406A3 Methods for maximizing second fracture length |
| 01/15/2009 | WO2008137189A3 Process for dispersing nanocatalysts into petroleum-bearing formations |
| 01/15/2009 | WO2008131218A3 System and method for crossflow detection and intervention in production wellbores |
| 01/15/2009 | WO2008127311A3 Volumetric displacement transducer for an underwater acoustic source |
| 01/15/2009 | WO2008079799A3 Method and system for automated choke control on a hydrocarbon producing well |
| 01/15/2009 | WO2008009930A3 Apparatus and methods for natural gas transportation and processing |
| 01/15/2009 | US20090016900 Well jet device and the operating method thereof |
| 01/15/2009 | US20090014184 High capacity wellhead connector having a single annular piston |
| 01/15/2009 | US20090014183 Injection valve and method |
| 01/15/2009 | US20090014181 Creating and maintaining a gas cap in tar sands formations |
| 01/15/2009 | US20090014180 Moving hydrocarbons through portions of tar sands formations with a fluid |
| 01/15/2009 | US20090014179 placing a catalyst comprising a transition metal or alloy (e.g. Mo, Ni, Co, Fe, Pd, W or alloy) into the formation, injecting a stimulation gas ( He, N2, CO2, Ar) with less than 1 ppm O2 ('anoxic') into the formation, collecting the natural gas generated in the formation from bitumen; disproportionation |
| 01/15/2009 | US20090014176 Proppant and methods of use |
| 01/15/2009 | US20090014174 Use of coated slots for control of sand or other solids in wells completed for production of fluids |
| 01/15/2009 | US20090014171 Method and an Apparatus for Separation and Injection of Water from a Water- and Hydrocarbon-Containing Outflow Down in a Production Well |
| 01/15/2009 | US20090014170 Systems for extracting fluids from the earth's subsurface and for generating electricity without greenhouse gas emissions |
| 01/15/2009 | US20090014168 Casing valves system for selective well stimulation and control |
| 01/15/2009 | CA2696895A1 Low-density composite |
| 01/15/2009 | CA2692797A1 Systems and methods for separating hydrocarbons from water |
| 01/15/2009 | CA2692794A1 Methods and compositions for preventing high density well completion fluid loss |
| 01/15/2009 | CA2692792A1 Method and apparatus for connecting shunt tubes to sand screen assemblies |
| 01/15/2009 | CA2692686A1 Producing resources using heated fluid injection |
| 01/15/2009 | CA2692658A1 Process for enhanced oil recovery using a microbial consortium |
| 01/15/2009 | CA2692596A1 Treating subterranean zones |
| 01/15/2009 | CA2684104A1 Porous tubular structures |
| 01/14/2009 | EP2013563A2 High density perforating gun system producing reduced debris |
| 01/14/2009 | EP2013446A1 Wellbore system |
| 01/14/2009 | EP2013445A1 Expandable liner hanger |