| 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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| 05/03/2007 | WO2007050479A1 Solution mining systems and methods for treating hydrocarbon containing formations |
| 05/03/2007 | WO2007050477A1 Methods of hydrotreating a liquid stream to remove clogging compounds |
| 05/03/2007 | WO2007050476A1 Systems and methods for producing hydrocarbons from tar sands with heat created drainage paths |
| 05/03/2007 | WO2007050469A1 Temperature limited heater with a conduit substantially electrically isolated from the formation |
| 05/03/2007 | WO2007050446A2 Methods of filtering a liquid stream produced from an in situ heat treatment process |
| 05/03/2007 | WO2007050445A1 Cogeneration systems and processes for treating hydrocarbon containing formations |
| 05/03/2007 | WO2007050189A2 Method for high temperature steam |
| 05/03/2007 | WO2007050180A1 Improved slurrified heavy oil recovery process |
| 05/03/2007 | WO2007049247A1 A separator tank for separation of fluid comprising water, oil and gas, use of such a tank, and a method for separating a fluid including water, oil, and gas |
| 05/03/2007 | WO2007049244A1 A gravity separator, and a method for separating a mixture containing water, oil, and gas |
| 05/03/2007 | US20070098375 Method and system for direct electric heating of a pipeline |
| 05/03/2007 | US20070095762 Mixing the brine containing metal impurities with an organic chelant for a time sufficient for the chelant to complex a metal and form a complexed metal precipitate; removing complexed metal precipitate from brine wherein the metal impurities contain iron |
| 05/03/2007 | US20070095541 Method and apparatus for controlling a quantity of a specific gas in a group of gases produced from a given well bore |
| 05/03/2007 | US20070095540 Apparatus and method for managed pressure drilling |
| 05/03/2007 | US20070095538 Diverter plugs for use in well bores and associated methods of use |
| 05/03/2007 | US20070095537 Solution mining dawsonite from hydrocarbon containing formations with a chelating agent |
| 05/03/2007 | US20070095536 Cogeneration systems and processes for treating hydrocarbon containing formations |
| 05/03/2007 | US20070095535 Method and apparatus for insulating a resonator downhole |
| 05/03/2007 | US20070095532 Apparatus and method for sealing a wellbore |
| 05/03/2007 | US20070095531 Method of extracting hydrocarbons |
| 05/03/2007 | US20070095530 Steam energized heavy oil production system |
| 05/03/2007 | US20070095529 Reactive stimulation of oil and gas wells |
| 05/03/2007 | DE112005001353T5 Klebrigmacher-Fluids auf Wasserbasis und Verfahren zu ihrer Verwendung Tackifier water-based fluid and methods for their use |
| 05/03/2007 | CA2636703A1 Method and apparatus for treating water to reduce boiler scale formation |
| 05/03/2007 | CA2627284A1 Extended reach drilling apparatus and method |
| 05/03/2007 | CA2626972A1 Solution mining systems and methods for treating hydrocarbon containing formations |
| 05/03/2007 | CA2626970A1 Methods of hydrotreating a liquid stream to remove clogging compounds |
| 05/03/2007 | CA2626969A1 Temperature limited heater with a conduit substantially electrically isolated from the formation |
| 05/03/2007 | CA2626959A1 Methods of filtering a liquid stream produced from an in situ heat treatment process |
| 05/03/2007 | CA2626946A1 Cogeneration systems and processes for treating hydrocarbon containing formations |
| 05/03/2007 | CA2626905A1 Systems and methods for producing hydrocarbons from tar sands with heat created drainage paths |
| 05/03/2007 | CA2626892A1 Improved slurrified heavy oil recovery process |
| 05/03/2007 | CA2626756A1 A separator tank for separation of fluid comprising water, oil and gas, use of such a tank, and a method for separating a fluid including water, oil, and gas |
| 05/03/2007 | CA2626752A1 A well fluid separator tank for separation of fluid comprising water, oil and gas, use of such a tank, and a method for separating a well fluid including water, oil, and gas |
| 05/03/2007 | CA2626748A1 A gravity separator, and a method for separating a mixture containing water, oil, and gas |
| 05/03/2007 | CA2626442A1 A separator tank for separation of fluid comprising water, oil and gas |
| 05/03/2007 | CA2621172A1 Method for high temperature steam |
| 05/02/2007 | EP1780374A1 Non frangible perforating gun system |
| 05/02/2007 | EP1779911A1 A separator tank |
| 05/02/2007 | EP1778949A2 Improvements to the flowshot technique |
| 05/02/2007 | EP1778948A1 Method and system for gathering, transporting and marketing offshore oil and gas |
| 05/02/2007 | EP1778813A2 Under-neutralized alkylxylene sulfonic acid composition for enhanced oil recovery processes |
| 05/02/2007 | EP1726187A4 Extracting and processing hydrocarbon-bearing formations |
| 05/02/2007 | EP1604093A4 Method and apparatus for drilling a borehole with a borehole liner |
| 05/02/2007 | CN2895801Y Leakage-reduced oil-gas mixed-extraction device |
| 05/02/2007 | CN2895798Y Magnetic suspension linear numerical-controlled oil-submersible electric pump |
| 05/02/2007 | CN2895797Y Ground double-extraction power system |
| 05/02/2007 | CN2895734Y Gravel packing sand-proof tool |
| 05/02/2007 | CN2895733Y Extrusion gravel-packing sand-proof tool |
| 05/02/2007 | CN2895732Y Novel hydraulic jetter |
| 05/02/2007 | CN2895731Y Back-washing sand-proof sieving-pipe oil-pumping apparatus |
| 05/02/2007 | CN2895730Y Oil-well time-rate monitor |
| 05/02/2007 | CN2895729Y Bias regulator of oil-well pumping unit |
| 05/02/2007 | CN2895728Y Fully-closed gear-type oil-pumping device |
| 05/02/2007 | CN2895727Y Automatic speed-changing electric controller of pumping unit |
| 05/02/2007 | CN2895719Y Acid-pressure packer |
| 05/02/2007 | CN2895709Y Oil-pipe rotating drive apparatus of oil-pumping well head |
| 05/02/2007 | CN2895707Y Pumping unit polish-rod safety pounding-proof device |
| 05/02/2007 | CN1957158A Temperature limited heaters used to heat subsurface formations |
| 05/02/2007 | CN1957157A Perforating gun assembly and method for enhancing perforation depth |
| 05/02/2007 | CN1957156A Completion with telescoping perforation and fracturing tool |
| 05/02/2007 | CN1955439A Method for constructing a kinetic model allowing the mass of hydrogen sulfide produced by aquathermolysis to be estimated |
| 05/02/2007 | CN1955438A Sand production oil well electric pump protector |
| 05/02/2007 | CN1954944A Injection shaped cover of shaped charge |
| 05/02/2007 | CN1313702C Gas pressure relief method of ground drilling extraction minery and goaf |
| 05/02/2007 | CN1313701C Automatic controlled, energy saving environmental protected beam-pumping unit |
| 05/02/2007 | CN1313562C High performance cleanup additive for oil and gas well and method for making same |
| 05/01/2007 | US7211548 Newberyite or struvite bridging agent; partially depolymerized starch derivative, especially a partially depolymerized crosslinked ether derivative of a starch; and a base fluid such as a drilling or well servicing fluid |
| 05/01/2007 | US7210534 Lock for a downhole tool with a reset feature |
| 05/01/2007 | US7210532 Method and apparatus for lifting liquids from gas wells |
| 05/01/2007 | US7210530 Subsea separation system |
| 05/01/2007 | US7210528 Method of treatment subterranean formations using multiple proppant stages or mixed proppants |
| 05/01/2007 | US7210527 Single trip horizontal gravel pack and stimulation system and method |
| 05/01/2007 | US7210526 Solid state pump |
| 05/01/2007 | US7210524 Perforating gun quick connection system |
| 05/01/2007 | CA2499340C Downhole sampling tool and method for using same |
| 05/01/2007 | CA2417487C Downhole expandable tubing |
| 04/27/2007 | CA2565640A1 Method of extracting hydrocarbons |
| 04/27/2007 | CA2565120A1 Method for constructing a kinetic model for estimating the hydrogen sulfide mass produced by aquathermolysis |
| 04/26/2007 | WO2007047800A2 Apparatus and method for managed pressure drilling |
| 04/26/2007 | WO2007047655A2 System and method for performing multiple downhole operations |
| 04/26/2007 | WO2007047026A2 Heavy wax stimulation diverting agent |
| 04/26/2007 | WO2007046797A1 Wellbore completion design to naturally separate water and solids from oil and gas |
| 04/26/2007 | WO2007046072A2 Methods of fracturing formations using quaternary amine salts as viscosifiers |
| 04/26/2007 | WO2006102556A3 Radial expansion system |
| 04/26/2007 | WO2006055370A3 Well production optimizing system |
| 04/26/2007 | WO2004081346B1 Apparatus for radially expanding and plastically deforming a tubular member |
| 04/26/2007 | US20070093393 Emulsifier based on polyamines and fatty acid/maleic anhydride |
| 04/26/2007 | US20070092380 Pump with Suction and Pressure Control for Dry Particulate Material |
| 04/26/2007 | US20070090039 Apparatus and method for treating injection fluid |
| 04/26/2007 | US20070089910 Method of forming a bore |
| 04/26/2007 | US20070089882 Compensation system for a jacking frame |
| 04/26/2007 | US20070089881 Mixing an aqueous medium, a carboxy modified polymer, a crosslinking agent, adding benzyldimethylcocoalkyl ammonium chloride, benzylbis(2-hydroxyethyl)cocoalkyl ammonium chloride, alkyl (C12-16) dimethyl benzyl ammonium chloride, coco benzyl ammonium chloride ethoxylate; injecting into a wellbore |
| 04/26/2007 | US20070089879 In-situ method of producing oil shale, on-shore and off-shore |
| 04/26/2007 | US20070089876 Downhole fluid disposal apparatus and methods |
| 04/26/2007 | US20070089656 Device and a method for stabilizing and controlling the lowering or raising of a structure between the surface and the bed of the sea |
| 04/26/2007 | CA2626421A1 System and method for performing multiple downhole operations |
| 04/25/2007 | EP1777366A1 Method of forming a corrugation in a tubular element |
| 04/25/2007 | EP1776198A1 Process for stimulating production of methane from petroleum in subterranean formations |
| 04/25/2007 | EP1625422B1 Formation-based interpretation of nmr data for carbonate reservoirs |