| 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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| 10/20/2004 | EP1468164A1 Riser for connection between a vessel and a point at the seabed |
| 10/20/2004 | EP1311741B1 Method and well tool for gravel packing a well using low viscosity fluids |
| 10/20/2004 | EP1282759B1 Liquid separation and extraction |
| 10/20/2004 | EP1015729B1 Connection of tubulars using a top drive |
| 10/20/2004 | EP0840769B1 Non-toxic, inexpensive synthetic drilling fluid |
| 10/20/2004 | CN2649851Y Safety brake pin for pumping unit |
| 10/20/2004 | CN2649810Y Fixed valve for deep well pump |
| 10/20/2004 | CN2649773Y Gas-drive oil-production apparatus |
| 10/20/2004 | CN1538065A Tubular pump with lining cover made by composite |
| 10/20/2004 | CN1538036A Automic control system for throttle well killing |
| 10/20/2004 | CN1538035A Oil-submersible electric pump-gas lift oil extraction method and its equipment |
| 10/20/2004 | CN1538034A Well washing method of hierarchical water injection well and its underwell tubular column |
| 10/20/2004 | CN1172077C Movable injection station and polymerization technique |
| 10/20/2004 | CN1172076C Long-stroke pumping machine operating in differential reversing mode |
| 10/19/2004 | US6807501 Dynamic relative load rate for fluid systems |
| 10/19/2004 | US6805806 Method and apparatus for treatment of wastewater employing membrane bioreactors |
| 10/19/2004 | US6805202 Well screen cover |
| 10/19/2004 | US6805196 Expander |
| 10/19/2004 | US6805195 In situ thermal processing of a hydrocarbon containing formation to produce hydrocarbon fluids and synthesis gas |
| 10/19/2004 | US6805194 Gas and oil production |
| 10/19/2004 | CA2214169C Unconsolidated formation stimulation and sand migration prevention methods |
| 10/19/2004 | CA2137560C Method of creating a wellbore in an underground formation |
| 10/14/2004 | WO2004088090A1 Surface flow controlled valve and screen |
| 10/14/2004 | WO2004087496A2 Method and device for stabilizing and controlling lowering or raising of a structure between the surface and the sea floor |
| 10/14/2004 | WO2004087495A2 Device and method for stabilising and controlling the lowering or raising of a heavy structure between the surface and the bed of the sea |
| 10/14/2004 | WO2004011776A3 Method of forming a mono diameter wellbore casing |
| 10/14/2004 | WO2003071086B1 Mono-diameter wellbore casing |
| 10/14/2004 | WO2003023180B1 Acid gas disposal method |
| 10/14/2004 | US20040200621 Subsea system for separating multiphase fluid |
| 10/14/2004 | US20040200620 Subsea system for processing fluid |
| 10/14/2004 | US20040200618 Method of sequestering carbon dioxide while producing natural gas |
| 10/14/2004 | US20040200617 Method of treating subterranean formations with porous ceramic particulate materials |
| 10/14/2004 | US20040200615 Apparatus and method for enhancing productivity of natural gas wells |
| 10/13/2004 | EP1467299A2 Methods and structure for automated active pharmaceuticals development |
| 10/13/2004 | EP1466074A2 Apparatus and method for horizontal subsea connection |
| 10/13/2004 | CN2648107Y Rotary impact pump type rope suspension device |
| 10/13/2004 | CN2648106Y Double-tunnel desilting connecting device under pump |
| 10/13/2004 | CN2648068Y High efficiency three phase separating device |
| 10/13/2004 | CN2648067Y Water injecting speed regulating device |
| 10/13/2004 | CN2648066Y Data collecting, energy saving controlling apparatus for sucking oil machine |
| 10/13/2004 | CN2648065Y High hole density perforating apparatus for oil well |
| 10/13/2004 | CN2648064Y Casing type ring cutting gap anti-sand screen pipe |
| 10/13/2004 | CN2648063Y Anti-sand once filling tool for thicken oil hot extraction |
| 10/13/2004 | CN2648062Y Casing for extracting oil |
| 10/13/2004 | CN2648061Y Back-flushing electricity saving apparatus for extracting oil machine of oil well |
| 10/13/2004 | CN2648058Y Auto gas distribution valve for thickened oil injecting gas well |
| 10/13/2004 | CN2647471Y Semi-automatic floating ball type medicine form hood spinning apparatus |
| 10/13/2004 | CN1536197A Periodic speed-changing driving energy-saving method for oil-pumping machine |
| 10/12/2004 | USRE38616 Downhole equipment, tools and assembly procedures for the drilling, tie-in and completion of vertical cased oil wells connected to liner-equipped multiple drainholes |
| 10/12/2004 | CA2315430C Modular system for deploying subterranean well-related equipment |
| 10/12/2004 | CA2210614C Spring cartridge rotor bearing |
| 10/07/2004 | WO2004085794A1 Device for heating and thermally insulating at least one undersea pipeline |
| 10/07/2004 | WO2004085790A2 Apparatus for radially expanding and plastically deforming a tubular member |
| 10/07/2004 | WO2004085789A2 Well system, unit module and method for formation of a well system |
| 10/07/2004 | WO2004085787A2 Dual function cleaning tool |
| 10/07/2004 | WO2004070650B1 Wellbore treatment fluid selection interactive computer system |
| 10/07/2004 | WO2004023014A9 Threaded connection for expandable tubulars |
| 10/07/2004 | WO2003067201B1 Extend of detonation determination method using seismic energy |
| 10/07/2004 | US20040198611 Method for the recovery of hydrocarbons from hydrates |
| 10/07/2004 | US20040196038 Downhole NMR processing |
| 10/07/2004 | US20040194972 Tubular expansion fluid production assembly and method |
| 10/07/2004 | US20040194971 Device and method to seal boreholes |
| 10/07/2004 | US20040194968 Connector for expandable well screen |
| 10/07/2004 | US20040194966 Joint for use with expandable tubulars |
| 10/07/2004 | US20040194964 Downhole pump |
| 10/07/2004 | US20040194961 Reducing production and preventing migration of loose particulates; applying aqueous liquid and surfactant preflush solution, integrated consolidation fluid and afterflush fluid; noncatalytic |
| 10/07/2004 | US20040194954 Hydraulically set liner hanger |
| 10/07/2004 | US20040194953 Downhole apparatus |
| 10/07/2004 | US20040194952 Oil extraction equipment |
| 10/06/2004 | EP1464789A1 Methods and compositions for consolidating proppant in subterranean fractures |
| 10/06/2004 | EP1190158B1 Hydraulic setting tool |
| 10/06/2004 | EP1169541B1 Method of selective plastic expansion of sections of a tubing |
| 10/06/2004 | CN2646382Y Perforation and formation testing and flowing thribble working test oil equipment of jet injector |
| 10/06/2004 | CN2646381Y High strength elastic sand control screen |
| 10/06/2004 | CN2646380Y Chain drive drum type hydraulic pumping unit |
| 10/06/2004 | CN2646379Y Oil pumping unit crank pin nut loosening and tightening sleeve |
| 10/06/2004 | CN2646378Y Balancing weight shifting unit of oil pumping unit |
| 10/06/2004 | CN1535347A Expander for expanding tubular element |
| 10/06/2004 | CN1534162A Anular positive reverse rotation oil extractor |
| 10/06/2004 | CN1533861A Device used in welding pipeline under water |
| 10/05/2004 | US6800593 To increase the viscosity or decrease the fluid loss of well drilling and servicing fluids |
| 10/05/2004 | US6800193 Mineral acid enhanced thermal treatment for viscosity reduction of oils (ECB-0002) |
| 10/05/2004 | US6799686 Tubular filtration apparatus |
| 10/05/2004 | US6799645 Method and apparatus for drilling and completing a well with an expandable sand control system |
| 10/05/2004 | US6799637 Expandable tubing and method |
| 10/05/2004 | US6799635 Method of cementing a tubular string in a wellbore |
| 10/05/2004 | US6799632 Expandable metal liner for downhole components |
| 10/05/2004 | CA2226120C Improvements in deep well pumping apparatus |
| 10/05/2004 | CA2175252C Method for the recovery of coal bed methane with reduced inert gas fraction in produced gas |
| 09/30/2004 | WO2004083601A1 A system and process for pumping multiphase fluids |
| 09/30/2004 | WO2004083600A1 Method of treating subterranean formations using mixed density proppants or sequential proppant stages |
| 09/30/2004 | WO2004083595A2 Substantially neutrally buoyant and positively buoyant electrically heated flowlines for production of subsea hydrocarbons |
| 09/30/2004 | WO2004083594A2 Apparatus and method radially expanding a wellbore casing using an expansion mandrel and a rotary expansion tool |
| 09/30/2004 | WO2004083593A2 Radial expansion and milling of expandable tubulars |
| 09/30/2004 | WO2004083592A2 Apparatus and method for running a radially expandable tubular member |
| 09/30/2004 | WO2004083591A2 Apparatus and method for radially expanding a wellbore casing using an adaptive expansion system |
| 09/30/2004 | WO2004083590A2 Method and apparatus for drilling a borehole with a borehole liner |
| 09/30/2004 | WO2004066467A3 Solid oxide fuel cell with anode offgas afterburner charged with oxygen |
| 09/30/2004 | WO2004027200B1 Bottom plug for forming a mono diameter wellbore casing |
| 09/30/2004 | US20040190999 Method of installation of a tension leg platform |