| 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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| 10/02/2007 | CA2315089C A method for controlling the rheology of an aqueous fluid and gelling agent therefor |
| 10/02/2007 | CA2256258C Swab test for determining relative formation productivity |
| 10/02/2007 | CA2250329C Gelling agent for hydrocarbon liquid and method of use |
| 10/02/2007 | CA2210421C Deep drilling an/or well pump system using a hydrodynamic retarder to compensate for restoring torques released in the system |
| 09/30/2007 | CA2582541A1 Completion system having a sand control assembly, an inductive coupler, and a sensor proximate to the sand control assembly |
| 09/30/2007 | CA2582275A1 Self-cleaning well control fluid |
| 09/30/2007 | CA2580911A1 Seismic explosive system |
| 09/29/2007 | CA2582904A1 Packer cup with backup component |
| 09/28/2007 | CA2582900A1 Sensor |
| 09/27/2007 | WO2007109318A2 Method and apparatus for recovering and transporting methane gas |
| 09/27/2007 | WO2007108722A1 Bore-hole system and a downhole hydraulic machine for producing fluid media |
| 09/27/2007 | WO2007108672A1 Pre-assembly of a subsea base and pipeline |
| 09/27/2007 | US20070225174 Introducing a biodegradable water-in-synthetic oil base emulsion into the wellbore having an external phase of an emulsified surfactant, especially nonionic; the base oil contains 75 to 99 percent by weight of linear paraffins; decreasing cake cohesion and wellbore adherence |
| 09/27/2007 | US20070221383 Venturi siphon atomization liquid lift apparatus and method |
| 09/27/2007 | US20070221382 Method and apparatus for recovering and transporting methane gas |
| 09/27/2007 | US20070221380 Surface controlled subsurface lateral branch safety valve |
| 09/27/2007 | US20070221377 Solution mining systems and methods for treating hydrocarbon containing formations |
| 09/27/2007 | US20070221376 Solidification of Residuals from Water Treatment Systems in Heavy Oil Recovery Operations |
| 09/27/2007 | CA2645873A1 A downhole system and an immersion hydraulic machine for extraction of fluids |
| 09/27/2007 | CA2645564A1 Method and apparatus for recovering and transporting methane gas |
| 09/26/2007 | EP1836375A1 System for power supply to subsea installations |
| 09/26/2007 | EP1718842B1 Method and actuator device |
| 09/26/2007 | EP1276953B1 Expandable apparatus for drift and reaming a borehole |
| 09/26/2007 | CN200952467Y Protector with combined two upper independent settling chamber and one bottom capsule chamber |
| 09/26/2007 | CN200952464Y Planetary automatic balancing beam-pumping unit |
| 09/26/2007 | CN200952463Y Hanging immersed thickened oil pump |
| 09/26/2007 | CN200952390Y Pressure stabilizer for perforating effect detection |
| 09/26/2007 | CN200952389Y In-drilling column solid particle separating tool |
| 09/26/2007 | CN200952388Y Oil well casing gas recovering device |
| 09/26/2007 | CN200952387Y Foam gel generator |
| 09/26/2007 | CN200952386Y Three-protection packer |
| 09/26/2007 | CN200952385Y Automatic intermittent well head oil pumping device |
| 09/26/2007 | CN200952384Y Constant gas injection valve |
| 09/26/2007 | CN200952361Y Heat extracting gas injection integrated suspending device |
| 09/26/2007 | CN101044293A Modular drill system requiring limited field assembly |
| 09/26/2007 | CN101042131A Two-channel high efficiency drawing liquid pump |
| 09/26/2007 | CN101042049A Method for rapid tracking monitoring variation of oil production inpouring bacterium |
| 09/26/2007 | CN100339596C Mfg. Method for integral cylinder stainless steel oil pumping pump |
| 09/26/2007 | CN100339554C Multiple beam-pumping units phase balanced combination transmission unit |
| 09/25/2007 | US7273108 Apparatus to allow a coiled tubing tractor to traverse a horizontal wellbore |
| 09/25/2007 | US7273106 Surface flow controlled valve and screen |
| 09/25/2007 | US7273104 Method of pumping an “in-the-formation” diverting agent in a lateral section of an oil and gas well |
| 09/25/2007 | US7273103 Cement compositions comprising environmentally compatible defoaming agents and methods of use |
| 09/25/2007 | US7273102 Remotely actuating a casing conveyed tool |
| 09/25/2007 | US7273099 Methods of stimulating a subterranean formation comprising multiple production intervals |
| 09/25/2007 | US7273098 Method for controlling oil and gas well production from multiple wells |
| 09/25/2007 | US7273096 Gel release device |
| 09/25/2007 | CA2422834C Isolation bypass transition joint |
| 09/25/2007 | CA2260523C Sealed lateral wellbore junction assembled downhole |
| 09/25/2007 | CA2243795C Flow control apparatus for use in a subterranean well and associated methods |
| 09/25/2007 | CA2229120C Methods of completing a subterranean well and associated apparatus |
| 09/24/2007 | CA2582690A1 Solidification of residuals from water treatment systems in heavy oil recovery operations |
| 09/20/2007 | WO2007106691A2 Inhibiting reservoir souring using a treated injection water |
| 09/20/2007 | WO2007106429A2 Expandable tubulars for use in geologic structures |
| 09/20/2007 | WO2007106421A1 Hydrocarbon recovery techniques |
| 09/20/2007 | WO2007105227A1 An improved screening device |
| 09/20/2007 | WO2007105167A2 Method and apparatus for hydraulic fracturing and monitoring |
| 09/20/2007 | WO2007105086A1 A fluid treatment tank and a well fluid porcessing system comprising such a tank |
| 09/20/2007 | WO2007104911A1 Improved methods of coating particulates |
| 09/20/2007 | WO2007104186A1 A suspensory electrical submersible screw pumping system |
| 09/20/2007 | WO2007087596A3 Containment of drilling waste material |
| 09/20/2007 | WO2007072171B1 Method and system for tool orientation and positioning and particulate material protection within a well casing for producing hydrocarbon bearing formations including gas hydrates |
| 09/20/2007 | WO2007069201A3 System and method for treatment of a well |
| 09/20/2007 | WO2007049245B1 A separator tank for separation of fluid comprising water, oil and gas |
| 09/20/2007 | WO2007047800A3 Apparatus and method for managed pressure drilling |
| 09/20/2007 | WO2006053248A8 Method and apparatus for jet-fluid abrasive cutting |
| 09/20/2007 | US20070215613 Extracting And Processing Hydrocarbon-Bearing Formations |
| 09/20/2007 | US20070215360 Expandable Tubular |
| 09/20/2007 | US20070215358 Gas Lift Valve Assembly |
| 09/20/2007 | US20070215357 Methods and apparatus for production of hydrocarbons |
| 09/20/2007 | US20070215355 Methods of Treating Wellbores with Recyclable Fluids |
| 09/20/2007 | US20070215354 Methods of coating particulates |
| 09/20/2007 | US20070215351 Use of phosphorus and nitrogen containing formulations in secondary oil recovery operations |
| 09/20/2007 | US20070215350 Carbon dioxide enriched flue gas injection for hydrocarbon recovery |
| 09/20/2007 | US20070215347 injecting a surfactant solution into the production well to increase oil to water ratio, injecting a 2nd well treatment process into the production well, selected from a scale inhibition squeeze process, a well acidizing process, a chemical process to reduce water production, an acid fracturing process |
| 09/20/2007 | US20070215346 Viscosity control and filtration of well fluids |
| 09/20/2007 | US20070215344 Inhibiting reservoir souring using a treated injection water |
| 09/20/2007 | US20070215343 Wellbore Motor Having Magnetic Gear Drive |
| 09/20/2007 | CA2645351A1 Method and apparatus for hydraulic fracturing and monitoring |
| 09/20/2007 | CA2644844A1 An improved screening device |
| 09/19/2007 | EP1509675B1 Method for construction and completion of injection wells |
| 09/19/2007 | CN200950077Y Double-chamber oil separator |
| 09/19/2007 | CN200949813Y Oil field coal-burning gas-injection boiler |
| 09/19/2007 | CN200949522Y Combined type protector with a upper capsule chamber and two lower separate sedimentation chamber |
| 09/19/2007 | CN200949520Y Pumping unit brake self-locking device |
| 09/19/2007 | CN200949518Y Rough braid maintenance device of beam-pumping unit |
| 09/19/2007 | CN200949459Y Swirl segregation liquid tank |
| 09/19/2007 | CN200949458Y Oil well ground surface sand control device |
| 09/19/2007 | CN200949457Y Thick oil well multiple-layer and multi-section separate injection ball injector |
| 09/19/2007 | CN200949456Y Long thin sand tube model for chemical flooding physical simulation |
| 09/19/2007 | CN200949455Y Filtering components with inner filter net |
| 09/19/2007 | CN200949454Y Elastic integral sieve tube |
| 09/19/2007 | CN200949453Y Pumping rod breakaway monitoring alarm |
| 09/19/2007 | CN200949452Y Hydraulic beam-pumping unit |
| 09/19/2007 | CN200949451Y Multifunctional centering paraffin scraper fluid increasing device |
| 09/19/2007 | CN200949450Y Multifunctional oil producing special tool |
| 09/19/2007 | CN101037938A Method for mining gas hydrate using solar heating and device |
| 09/19/2007 | CN101037937A Carbon dioxide enriched flue gas injection for hydrocarbon recovery |
| 09/19/2007 | CN101037936A Gearless transmission oil pumping machine |
| 09/19/2007 | CN101037935A Hydraulic intelligent oil pumping machine |