| 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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| 07/27/2004 | US6767035 High torque modified profile threaded tubular connection |
| 07/27/2004 | US6766862 Expandable sand control device and specialized completion system and method |
| 07/27/2004 | US6766857 Thru-tubing sand control method and apparatus |
| 07/27/2004 | US6766856 Large particulate removal system |
| 07/27/2004 | CA2288560C Control of particulate flowback in subterranean wells |
| 07/22/2004 | WO2004061267A1 Method and system for circulating fluid in a well system |
| 07/22/2004 | WO2004061266A1 Method and system for controlling the production rate of fluid from a subterranean zone to maintain production bore stability in the zone |
| 07/22/2004 | WO2004005661A3 System and mehtod for automating or metering fluid recovered at a well |
| 07/22/2004 | WO2003102086A3 Particulate material having multiple curable coatings and methods for making and using same |
| 07/22/2004 | WO2003098153A3 Downhole tool deployment safety system and methods |
| 07/22/2004 | WO2003071086A3 Mono-diameter wellbore casing |
| 07/22/2004 | WO2003050377A3 Method for recovery of hydrocarbons from low pressure formations |
| 07/22/2004 | WO2003048518A3 Apparatus and method for horizontal subsea connection |
| 07/22/2004 | US20040140273 Method and apparatus for mixing fluids, separating fluids, and separating solids from fluids |
| 07/22/2004 | US20040140272 Float has specific gravity greater than material being removed; tube attached penetrates material being removed; pump actuates extraction through tube; windmill power |
| 07/22/2004 | US20040140129 Method and system for hydraulic friction controlled drilling and completing geopressured wells utilizing concentric drill strings |
| 07/22/2004 | US20040140125 Orientation system for a subsea well |
| 07/22/2004 | US20040140124 Drilling and producing deep water subsea wells |
| 07/22/2004 | US20040140103 Multi-layer deformable composite construction for use in a subterranean well |
| 07/22/2004 | US20040140099 Fluid separation method and system |
| 07/22/2004 | US20040140096 Insulated conductor temperature limited heaters |
| 07/22/2004 | US20040140095 Staged and/or patterned heating during in situ thermal processing of a hydrocarbon containing formation |
| 07/22/2004 | US20040140093 Apparatus and method for lining a downhole casing |
| 07/22/2004 | US20040140089 Well screen with internal shunt tubes, exit nozzles and connectors with manifold |
| 07/22/2004 | US20040140087 Rod pump |
| 07/22/2004 | US20040140086 Expansion apparatus having resistive medium |
| 07/21/2004 | EP1438484A1 An installation for the separation of fluids |
| 07/21/2004 | EP1438483A1 System for lining a section of a wellbore |
| 07/21/2004 | EP1438480A1 Method for conditioning wellbore fluids and sucker rod therefor |
| 07/21/2004 | EP1278938B1 Method and system for gas-lifting well effluents |
| 07/21/2004 | CN2627213Y Down-hole inverted power-driven oil-submersible centrifugal pump water-oil separating extraction and injection apparatus |
| 07/21/2004 | CN2627212Y Folding net type multiplexing sand control screen |
| 07/21/2004 | CN1514905A In-situ casting of well equipment |
| 07/21/2004 | CN1514149A Electric machine belt wheel deceterating and starting device |
| 07/21/2004 | CN1514106A Method of optimizing trielement composite central displacement system interface tension and trielement system formulation |
| 07/20/2004 | US6763893 Downhole tubular patch, tubular expander and method |
| 07/20/2004 | US6763889 Subsea intervention |
| 07/20/2004 | US6763888 Removal of a filter cake or biofilm; an ester and a polymer breaker selected from the group consisting of oxidants and enzyme breakers, such that the ester hydrolyses to produce an organic acid to dissolve acid soluble material present |
| 07/20/2004 | US6763886 In situ thermal processing of a coal formation with carbon dioxide sequestration |
| 07/20/2004 | US6763885 Method of gravel packing for a gas storage and production system |
| 07/20/2004 | CA2199863C Slurrified reservoir hydrocarbon recovery process |
| 07/17/2004 | CA2455249A1 Crosslinking delaying agents for acid fluids |
| 07/15/2004 | WO2004059120A1 Anchor device to relieve tension from the rope socket prior to perforating a well |
| 07/15/2004 | WO2004044377A9 Perforating gun quick connection system |
| 07/15/2004 | WO2004038174A3 Staged and/or patterned heating during in situ thermal processing of a hydrocarbon containing formation |
| 07/15/2004 | WO2004031527A3 Appartus and methods for installing casing in a borehole |
| 07/15/2004 | WO2004026017A3 Residual stresses in expandable tubular casing |
| 07/15/2004 | WO2004024309A3 System and method for the mitigation of paraffin wax deposition from crude oil by using ultrasonic waves |
| 07/15/2004 | WO2003104601A3 Mono-diameter wellbore casing |
| 07/15/2004 | WO2003093643A3 Downhole fluid disposal apparatus and methods |
| 07/15/2004 | WO2003086976A3 Subsea well production facility |
| 07/15/2004 | WO2003083248A3 Perforation method and apparatus |
| 07/15/2004 | WO2003078785A3 Collapsible expansion cone |
| 07/15/2004 | WO2002103161A3 Perforating gun assembly for use in multi-stage stimulation operations |
| 07/15/2004 | US20040136784 Distributed natural gas storage system(s) using oil & gas & other well(s) |
| 07/15/2004 | US20040135370 Tubing connection arrangement |
| 07/15/2004 | US20040135125 Antiscaling agents |
| 07/15/2004 | US20040135124 Fluorescent monomers and tagged treatment polymers containing same for use in industrial water systems |
| 07/15/2004 | US20040134668 Downhole cutting tool and method |
| 07/15/2004 | US20040134664 Method and apparatus for surge pressure reduction in a tool with fluid motivator |
| 07/15/2004 | US20040134662 High power umbilicals for electric flowline immersion heating of produced hydrocarbons |
| 07/15/2004 | US20040134658 Casing conveyed well perforating apparatus and method |
| 07/15/2004 | US20040134656 Sand control screen assembly having an internal seal element and treatment method using the same |
| 07/15/2004 | US20040134655 Sand control screen assembly having an internal isolation member and treatment method using the same |
| 07/15/2004 | US20040134654 Multi-lateral well with downhole gravity separation |
| 07/14/2004 | EP1436482A2 High power umbilicals for subterranean electric drilling machines and remotely operated vehicles |
| 07/14/2004 | EP1436469A1 Device and method for creating at least one reaction zone in an aquifer |
| 07/14/2004 | CN2625608Y Sand jam preventing screw pump capable of washing well |
| 07/14/2004 | CN2625600Y Overpressure (overflow) type oil-pump fixing valve |
| 07/14/2004 | CN2625578Y Jet flow type dry powder adding device |
| 07/14/2004 | CN2625577Y Automatic dispensing apparatus for microflow liquid |
| 07/14/2004 | CN2625576Y Damping type microflow well mouth dispensing system |
| 07/14/2004 | CN2625575Y Stratified waterflooding apparatus for gravel sand prevention water injection well of offshore oil field |
| 07/14/2004 | CN2625574Y Oil extraction pipe column for screw pump |
| 07/14/2004 | CN2625356Y Loading, unloading and carrying appliance for the rapid joint and connecting body in cementing-head apparatus |
| 07/14/2004 | CN1513079A Process for recovery of oil from natural oil reservoir |
| 07/14/2004 | CN1512656A Intelligent high efficiency energy saving production increasing controller |
| 07/14/2004 | CN1512076A Blade type oil, gas and water multiphase booster pump |
| 07/14/2004 | CN1512033A Realizing method for steel cable rod oil pumping system |
| 07/14/2004 | CN1157550C Method for suppressing and controlling slug flow in multi-phase fluid stream |
| 07/14/2004 | CN1157527C Multiple well interactive autobalanced integral intelligent oil pumping unit |
| 07/14/2004 | CN1157526C Ground-type multi-cable pumping unit |
| 07/13/2004 | US6761544 Lubrication system for downhole application |
| 07/13/2004 | US6761221 Slip assembly for hanging an elongate member within a wellbore |
| 07/13/2004 | US6761219 Casing conveyed perforating process and apparatus |
| 07/13/2004 | US6761218 Methods and apparatus for improving performance of gravel packing systems |
| 07/13/2004 | US6761216 Pyrolysis temperature |
| 07/13/2004 | US6761215 Flow restricting bearing housing; shaft driven impeller pump, vortex generator |
| 07/13/2004 | CA2174769C Well tool |
| 07/08/2004 | WO2004057154A1 A process for removing oil from solid materials recovered from a well bore |
| 07/08/2004 | WO2004057153A1 A system and a method for prediction and treatment of slugs being formed in a flow line or wellbore tubing |
| 07/08/2004 | WO2004056441A2 Method and apparatus for mixture separation |
| 07/08/2004 | WO2004038164A3 Remediation treatment of sustained casing pressures (scp) in wells with top down surface injection of fluids and additives |
| 07/08/2004 | WO2004013446A3 Self-excited drill bit sub |
| 07/08/2004 | WO2004010039A3 Protective sleeve for threaded connections for expandable liner hanger |
| 07/08/2004 | WO2003093623A3 Mono diameter wellbore casing |
| 07/08/2004 | WO2003087521A3 Gas operated automatic, liquid pumping system for wells |
| 07/08/2004 | WO2003058022A3 Seal receptacle using expandable liner hanger |
| 07/08/2004 | WO2003024605A3 Underwater scrubbing of co2 from co2-containing hydrocarbon resources |
| 07/08/2004 | US20040131812 Downhole filter |