| 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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| 02/02/2010 | US7654330 Apparatus, methods, and systems for extracting petroleum using a portable coal reformer |
| 02/02/2010 | US7654328 Subsea compressor module and a method for controlling the pressure in such a subsea compressor module |
| 02/02/2010 | US7654323 Electrofused proppant, method of manufacture, and method of use |
| 02/02/2010 | US7654322 Systems and methods for producing oil and/or gas |
| 02/02/2010 | US7654320 System and method for processing a mixture of hydrocarbon and CO2 gas produced from a hydrocarbon reservoir |
| 02/02/2010 | US7654319 Closed loop multiphase underbalanced drilling process |
| 02/02/2010 | US7654316 Downhole connector |
| 02/02/2010 | US7654315 Apparatus, pumping system incorporating same, and methods of protecting pump components |
| 02/02/2010 | US7654314 Chemical delivery system for plunger lift |
| 02/02/2010 | CA2617074C Anti-swabbing well tool assembly |
| 02/02/2010 | CA2614801C Screen manufacturing method |
| 02/02/2010 | CA2587593C Perforation logging tool and method |
| 02/02/2010 | CA2576483C Open hole expandable patch with anchor |
| 02/02/2010 | CA2552049C Orthoester compositions and methods of use in subterranean applications |
| 02/02/2010 | CA2544834C Dissolving filter cake |
| 02/02/2010 | CA2529895C Method for stimulating an oilfield comprising using different scale-inhibitors |
| 02/02/2010 | CA2528974C Method for reducing diameter reduction near ends of expanded tubulars |
| 02/02/2010 | CA2491004C A novel foamer composition and methods for making and using same |
| 02/02/2010 | CA2408764C Well service composition comprising a fracturing fluid and a gas hydratecontroller and the method of using the composition |
| 02/02/2010 | CA2376565C Improved oil well perforator liners |
| 02/01/2010 | CA2639264A1 Process and apparatus for burning coal instead of oil |
| 02/01/2010 | CA2638451A1 Methods and systems for gas production from a reservoir |
| 01/28/2010 | WO2010011804A2 Method of transitioning to kinetic hydrate inhibitors in multiple tie-in well systems |
| 01/28/2010 | WO2010011524A2 Pneumatic transfer of finely ground clay material |
| 01/28/2010 | WO2010011520A2 Steam driven turbine drive |
| 01/28/2010 | WO2010011486A1 Securement of lines to well sand control screens |
| 01/28/2010 | WO2010011402A2 Method of manufacture and the use of a functional proppant for determination of subterranean fracture geometries |
| 01/28/2010 | WO2010010539A1 Method of gravel packing a well containing synthetic or oil-based drilling fluids |
| 01/28/2010 | WO2010009510A1 A tool and method |
| 01/28/2010 | WO2009151850A9 Downhole filter tool |
| 01/28/2010 | WO2009133312A3 Method for reducing fluid flow in a porous medium by means of a biological process |
| 01/28/2010 | US20100018719 Inversion of CSEM Data With Measurement System Signature Suppression |
| 01/28/2010 | US20100018718 Iterative inversion of data from simultaneous geophysical sources |
| 01/28/2010 | US20100018717 Flexible riser pipe installation for conveying hydrocarbons |
| 01/28/2010 | US20100018716 Adjustable Hanger for Inner Production Riser |
| 01/28/2010 | US20100018715 Offshore universal riser system |
| 01/28/2010 | US20100018712 Method of transitioning to kinetic hydrate inhibitors in multiple tie-in well systems |
| 01/28/2010 | US20100018711 Tear Cord For Jacketed Tube |
| 01/28/2010 | US20100018710 Fracturing fluid compositions, methods of preparation and methods of use |
| 01/28/2010 | US20100018709 Method of gravel packing a well containing synthetic or oil-based drilling fluids |
| 01/28/2010 | US20100018707 Method of fracturing using ultra lightweight proppant suspensions and gaseous streams |
| 01/28/2010 | US20100018706 useful as proppants in fracturing a subterranean geological formation; reduced penetration of fluids into the lighweight porous proppants; treatment with perfluoroalkyl-functional acrylate copolymer and a fluorosilicone compound such as [C4F9SO2N(CH3)CH2]2CHOC(O)NH(CH2)3Si(OCH2CH3)3 |
| 01/28/2010 | US20100018705 acid fracturing fluid comprises a polymer comprising acrylamide; a gel breaker comprising fluoboric acid; an acid; and a zirconium-based crosslinking agent; easy to handle, "live" breaker that can break the polymer gels penetrating deep into the formation; fluoborate breaks down to fluoride anions |
| 01/28/2010 | US20100018703 System and Methods Using Fiber Optics in Coiled Tubing |
| 01/28/2010 | US20100018696 Downhole tool |
| 01/28/2010 | CA2725088A1 Method of manufacture and the use of a functional proppant for determination of subterranean fracture geometries |
| 01/28/2010 | CA2674113A1 Method and composition to increase viscosity of crosslinked polymer fluids |
| 01/27/2010 | EP2147190A1 Hydrajet tool for ultra high erosive environment |
| 01/27/2010 | EP2147184A2 Porous tubular structures |
| 01/27/2010 | EP2147077A1 Control of particulate entrainment by fluids |
| 01/27/2010 | CN201393194Y Control system of oil extractor |
| 01/27/2010 | CN201391447Y Swinging plug extrusion type oil-well pump |
| 01/27/2010 | CN201391442Y Feedback-type defueling pump |
| 01/27/2010 | CN201391441Y Novel inclined shaft oil well pump |
| 01/27/2010 | CN201391440Y Bypass oil well pump |
| 01/27/2010 | CN201391312Y Drill string and drilling fluid coupling dynamical behavior research testing table |
| 01/27/2010 | CN201391302Y Oilfield single-well oil storage device |
| 01/27/2010 | CN201391301Y Multifunctional sealing liquid-air collecting and storing device |
| 01/27/2010 | CN201391300Y Microbial flooding self-priming air injection device |
| 01/27/2010 | CN201391299Y Injected polymer bridge type eccentric injection distribution device |
| 01/27/2010 | CN201391298Y Water injection well pipe end assembly |
| 01/27/2010 | CN201391297Y Water distribution controller |
| 01/27/2010 | CN201391296Y Framework sealing ring and anti-blocking self sealing seal section |
| 01/27/2010 | CN201391295Y Oil well watering regulator |
| 01/27/2010 | CN201391294Y Oil well separate zone production mandrel |
| 01/27/2010 | CN201391293Y Water injection well water yield adjusting device |
| 01/27/2010 | CN201391292Y Integral perforation device |
| 01/27/2010 | CN201391291Y Self-cleaning screen pipe of integral filter |
| 01/27/2010 | CN201391290Y Vertical belt pumping unit |
| 01/27/2010 | CN201391289Y Combined operation string for natural gas well production |
| 01/27/2010 | CN201391288Y Front-mounted beam type automatic variable moment balancing pumping unit |
| 01/27/2010 | CN201391287Y Beam type automatic variable moment balancing pumping unit |
| 01/27/2010 | CN201391286Y Anti-disconnecting automatic shutdown protection device of pumping unit crank pin |
| 01/27/2010 | CN201391285Y Outer cycloidal walking-beam type oil pumping unit |
| 01/27/2010 | CN201391282Y Automatic medicament feeding device for cluster well site casings |
| 01/27/2010 | CN201391254Y Untwisting device for beam hanger of oil pumping unit |
| 01/27/2010 | CN201390487Y Single well multi-function oil transporting tank |
| 01/27/2010 | CN201389574Y Composite precision extrusion die for perforating charge cartridge case blank |
| 01/27/2010 | CN101636556A Process for dispersing nanocatalysts into petroleum-bearing formations |
| 01/27/2010 | CN101636555A Resistive heater for in situ formation heating |
| 01/27/2010 | CN100585182C High power oil-submersible linear permanent magnetic step motor plunger pump |
| 01/26/2010 | US7650942 Sub sea control and monitoring system |
| 01/26/2010 | US7650939 Portable and modular system for extracting petroleum and generating power |
| 01/26/2010 | US7650938 Residential in-well internal water aerator |
| 01/26/2010 | CA2584627C System and method for steam-assisted gravity drainage (sagd)-based heavy oil well production |
| 01/26/2010 | CA2576075C Surfactants not toxic to bacteria |
| 01/26/2010 | CA2547150C A method for foaming a hydrocarbon drilling fluid and for producing light weight hydrocarbon fluids |
| 01/26/2010 | CA2441748C Circulation control device within a well bore |
| 01/26/2010 | CA2389070C Fully automatic machine for oil extraction |
| 01/25/2010 | CA2674182A1 Green coal bed methane fracturing fluid composition, methods of preparation and methods of use |
| 01/25/2010 | CA2674115A1 Polysaccharide treatment fluid and method of treating a subterranean formation |
| 01/25/2010 | CA2638375A1 Method of fracturing using ultra lightweight proppant suspensions and gaseous streams |
| 01/24/2010 | CA2636784A1 Hot stir |
| 01/23/2010 | CA2639030A1 Mutual solvent system and method for improved oil and gas permeability in high temperature formations |
| 01/23/2010 | CA2638266A1 Compositions and methods for mitigating or preventing emulsion formation in hydrocarbon bodies |
| 01/21/2010 | WO2010009435A1 Downhole piezoelectric devices |
| 01/21/2010 | WO2010009282A2 Completion assembly |
| 01/21/2010 | WO2010009125A1 Systems and methods for producing oil and/or gas |
| 01/21/2010 | WO2010009118A1 Systems and methods for producing oil and/or gas |
| 01/21/2010 | WO2010009115A1 Systems and methods for producing oil and/or gas |