| 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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| 05/19/2005 | WO2005045192A1 Hydrocarbon recovery from impermeable oil shales |
| 05/19/2005 | WO2005045191A1 Interventionless reservoir control systems |
| 05/19/2005 | WO2005045190A1 Bubble breaker assembly |
| 05/19/2005 | WO2005045189A1 Method for delivering a multi-phase mixture and pump installation |
| 05/19/2005 | WO2005045188A1 High-stregth sealed connection for expandable tubulars |
| 05/19/2005 | WO2005045187A1 Downhole screen manufacturing method |
| 05/19/2005 | WO2005045186A1 Method of completing poorly consolidated formations |
| 05/19/2005 | WO2005045183A1 Method and system for injecting a treatment fluid into a well |
| 05/19/2005 | WO2005045175A2 Downhole fiber optic wet connect and gravel pack completion |
| 05/19/2005 | WO2005045174A2 Gravel pack completion with fiber optic monitoring |
| 05/19/2005 | WO2005017303A9 Expandable tubular |
| 05/19/2005 | WO2004083594A3 Apparatus and method radially expanding a wellbore casing using an expansion mandrel and a rotary expansion tool |
| 05/19/2005 | WO2004083592A3 Apparatus and method for running a radially expandable tubular member |
| 05/19/2005 | WO2004083591B1 Apparatus and method for radially expanding a wellbore casing using an adaptive expansion system |
| 05/19/2005 | WO2004023014A8 Threaded connection for expandable tubulars |
| 05/19/2005 | US20050107264 Dilution of hydratable guar gum; for forming high viscosity well treating fluid |
| 05/19/2005 | US20050107263 Pumpable multiple phase compositions for controlled release applications downhole |
| 05/19/2005 | US20050105971 Simultaneous development of underground caverns and deposition of materials |
| 05/19/2005 | US20050103505 Well stuffing box packing |
| 05/19/2005 | US20050103502 Collapsible expansion cone |
| 05/19/2005 | US20050103498 Production of natural gas from hydrates |
| 05/19/2005 | US20050103497 Downhole flow control apparatus, super-insulated tubulars and surface tools for producing heavy oil by steam injection methods from multi-lateral wells located in cold environments |
| 05/19/2005 | US20050103495 Gravel pack crossover tool with single position multi-function capability |
| 05/19/2005 | US20050103494 Apparatus and method for treating an interval of a wellbore |
| 05/19/2005 | US20050103490 Multi-purpose well bores and method for accessing a subterranean zone from the surface |
| 05/19/2005 | DE10360704A1 Treatment of ground water flows, e.g. from lignite mines, uses infiltration wells across the ground water flow with dosing units and control filters to add neutralizing agents and reagents to stabilize and improve the water quality |
| 05/18/2005 | EP1530668A1 Self-conforming well screen |
| 05/18/2005 | EP1358394A4 Optimization of reservoir, well and surface network systems |
| 05/18/2005 | CN2700603Y Thread off prevention connecting device for pumping rod |
| 05/18/2005 | CN2700559Y vibration preventing and damping natural gamma positioning instrument |
| 05/18/2005 | CN2700551Y Intelligent hydraulic pumping unit |
| 05/18/2005 | CN1617994A Method for making a sealed tubular joint with plastic expansion |
| 05/18/2005 | CN1616794A Method for eliminating solid solution depositing damage in gas injection oil displacing process |
| 05/18/2005 | CA2449869A1 Oil based drilling fluid |
| 05/17/2005 | US6893558 High pressure solid removal system |
| 05/17/2005 | US6893486 Method and system for sea-based handling of hydrocarbons |
| 05/17/2005 | US6892819 Forming a wellbore casing while simultaneously drilling a wellbore |
| 05/17/2005 | US6892818 Interchangeable choke assembly |
| 05/17/2005 | US6892816 Method and apparatus for selective injection or flow control with through-tubing operation capacity |
| 05/17/2005 | US6892813 Methods for preventing fracture proppant flowback |
| 05/17/2005 | CA2470366A1 Downhole flow control apparatus, super-insulated tubulars and surface tools for producing heavy oil by steam injection methods from multi-lateral wells located in cold environments |
| 05/17/2005 | CA2373489C Method for consolidation of sand formations using nanoparticles |
| 05/17/2005 | CA2369860C Sand screen with active flow control |
| 05/17/2005 | CA2366139C Expandable packer isolation system |
| 05/17/2005 | CA2262279C Down hole, hydrodynamic well control, blowout prevention |
| 05/17/2005 | CA2140213C Lateral connector receptacle |
| 05/12/2005 | WO2005042915A1 Method for providing a temporary barrier in a flow pathway |
| 05/12/2005 | WO2005042909A2 Well screen primary tube gravel pack method |
| 05/12/2005 | WO2005042908A2 Three in one combined power unit for nitrogen system, fluid system, and coiled tubing system |
| 05/12/2005 | WO2005042905A2 A piggable flowline-riser system |
| 05/12/2005 | WO2004097160B1 System and method using a continuously variable transmission to control one or more system components |
| 05/12/2005 | WO2004022911A8 Wellbore device for selective transfer of fluid |
| 05/12/2005 | US20050101493 Additive for increasing the density of a fluid for casing annulus pressure control |
| 05/12/2005 | US20050101492 Well bore fluid mixture of oil additive, solid colloidal particles coated with dispersant; barite coated with stearyl methacrylate, butyl acrylate; suspension stability; drilling fluids |
| 05/12/2005 | US20050100446 Method of cleaning out blockages which prevent operation of a reciprocating downhole tubing pump |
| 05/12/2005 | US20050098349 Control systems and methods for active controlled bottomhole pressure systems |
| 05/12/2005 | US20050098324 Expandable tubular with port valve |
| 05/12/2005 | US20050098323 Forming a wellbore casing while simultaneously drilling a wellbore |
| 05/12/2005 | US20050098318 High-temperature circuits |
| 05/12/2005 | US20050098315 Method of Completing Poorly Consolidated Formations |
| 05/12/2005 | US20050098314 Method and apparatus for desorbing methane from coal formations via pressure waves or acoustic vibrations |
| 05/12/2005 | CA2543409A1 Well control and monitoring system using high temperature electronics |
| 05/12/2005 | CA2540996A1 Three in one combined power unit for nitrogen system, fluid system, and coiled tubing system |
| 05/11/2005 | EP1529150A2 Electric power control for sickline operations in wellbores |
| 05/11/2005 | CN2699062Y Speed-variation wheel device |
| 05/11/2005 | CN2699005Y Beam-pumping unit using decelerator as bob-weight |
| 05/11/2005 | CN2699004Y Beam-pumping unit using reduction box and electric machine as bob-weight |
| 05/11/2005 | CN2699003Y Hollow oil-well pump |
| 05/11/2005 | CN2698977Y Natural gas direct cooling type dehydrating device |
| 05/11/2005 | CN2698976Y Liquid separating device for gas well |
| 05/11/2005 | CN2698975Y Flow rate adjustable stopper |
| 05/11/2005 | CN2698974Y Setting control type water distributing device |
| 05/11/2005 | CN2698973Y High pressure fluid control device |
| 05/11/2005 | CN2698972Y Thick oil exploitation apparatus |
| 05/11/2005 | CN2698971Y Perforation sand-proof device |
| 05/11/2005 | CN2698970Y Perforation gun for horizontal well |
| 05/11/2005 | CN2698969Y Slotted sand control liner |
| 05/11/2005 | CN2698967Y Oil-well pump standing valve capable of depositing sediment |
| 05/11/2005 | CN1615393A Wet electric heating process |
| 05/11/2005 | CN1615392A Use of charged amphiphilic statistic polymers for thickening phases comprising giant micelles of surfactants and aqueous compositions comprising same |
| 05/11/2005 | CN1614193A Fracturing method for improving recovering ratio by phase permeability improver |
| 05/11/2005 | CN1614192A Use of high-efficient heat energy transferring medium technology for thick oil production |
| 05/11/2005 | CN1614191A Gas driven oil production |
| 05/11/2005 | CN1614190A Well drilling and water dissolving process for sodium sulfate hydrate |
| 05/11/2005 | CN1201063C Method for removing condensables from natural gas stream, wellhead device and assembly |
| 05/10/2005 | US6889769 In situ thermal processing of a hydrocarbon containing formation with a selected moisture content |
| 05/10/2005 | US6889766 Methods for passing a swelling agent into a reservoir to block undesirable flow paths during oil production |
| 05/10/2005 | US6889765 Submersible well pumping system with improved flow switching mechanism |
| 05/08/2005 | CA2486824A1 Propellant ignition assembly and process |
| 05/06/2005 | WO2005041031A1 Method and apparatus for dynamic application management in sub-sea well installations |
| 05/06/2005 | WO2005040670A1 Method and system for reducing liquid accumulation in a multiphase flow pipeline |
| 05/06/2005 | WO2005040554A1 Viscoelastic surfactant gels with reduced salft concentration |
| 05/06/2005 | WO2005040552A1 Improved fracturing fluid and method of use |
| 05/06/2005 | WO2005040547A1 Downhole connector |
| 05/06/2005 | WO2005040545A2 Tree mounted well flow interface device |
| 05/06/2005 | WO2005017299A3 Pump for tail production of oil |
| 05/06/2005 | WO2004063310A3 Advanced gas injection method and apparatus liquid hydrocarbon recovery complex |
| 05/06/2005 | WO2004011812A3 Actuator control system for hydraulic devices |
| 05/06/2005 | CA2550340A1 Fracturing of subterranean formations |
| 05/06/2005 | CA2547919A1 Viscoelastic surfactant gels with reduced salt concentration |