Patents
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)
12/2004
12/15/2004EP1485573A1 Gas turbine for oil lifting
12/15/2004EP1485567A2 Mono-diameter wellbore casing
12/15/2004EP1325210B1 Apparatus and method for controlling a fluid flow in a wellbore
12/15/2004EP1274992A4 Apparatus and method for downhole well equipment and process management, identification, and actuation
12/15/2004CN2663689Y Single-purpose speed reducer for submersible pump
12/15/2004CN2663653Y Heating system device under oil-submersible electric pump and well pump
12/15/2004CN2663652Y Perforation - liquid pharmacon fracturing composite device
12/15/2004CN1555454A Method and apparatus for gravel packing a well
12/15/2004CN1554870A Power system of oil-submersible screw pump
12/15/2004CN1554725A Thickened oil steam production synergist and its preparing method
12/14/2004US6831108 Viscoelastic surfactant fluids and related methods of use
12/14/2004US6831044 Product for coating wellbore screens
12/14/2004US6830441 Valve for downhole pump
12/14/2004US6830108 Plunger enhanced chamber lift for well installations
12/14/2004US6830105 Forming a mixture comprising particulate, elastomer-forming component in a liquid form or in solvent solution, and fluid; introducing mixture into the subterranean formation to form the particulate into a flexible and coherent mass
12/14/2004US6830104 Well shroud and sand control screen apparatus and completion method
12/14/2004CA2296195C Locking telescoping joint for use in a conduit connected to a wellhead
12/14/2004CA2278024C Process for stimulation of oil wells
12/14/2004CA2249168C Downhole pipe expansion apparatus and method
12/14/2004CA2108315C Pumping system with high discharge positive displacement pump
12/09/2004WO2004106697A1 Apparatus and method for treating injection fluid
12/09/2004WO2004106696A1 A spool piece termination structure, a connection arrangement comprising such a termination structure and a pipeline termination
12/09/2004WO2004094557B1 Composition and method for treating a subterranean formation
12/09/2004US20040245182 Multiphase fluid conveyance system
12/09/2004US20040244994 Expandable hanger and packer
12/09/2004US20040244993 Three in one combined power unit for nitrogen system, fluid system, and coiled tubing system
12/09/2004US20040244992 Full bore lined wellbores
12/09/2004US20040244991 Method and apparatus using traction seal fluid displacement device for pumping wells
12/09/2004US20040244990 In-situ evaporation
12/09/2004US20040244989 Method and system for producing an oil and gas mixture through a well
12/09/2004US20040244988 Baffle system for two-phase annular flow
12/09/2004US20040244987 Oil anchor
12/09/2004US20040244984 Riser for connection between a vessel and a point at the seabed
12/09/2004US20040244983 System and method for separating fluids
12/09/2004US20040244982 Substantially neutrally buoyant and positively buoyant electrically heated flowlines for production of subsea hydrocarbons
12/09/2004US20040244981 Bypass valve for a flow through gas lift plunger
12/09/2004US20040244980 System and method for injecting water into an underwater hydrocarbon reservoir
12/09/2004US20040244979 Apparatus and method for reducing diameter reduction near ends of expanded tubulars
12/09/2004US20040244976 System and method for downhole operation using pressure activated valve and sliding sleeve
12/09/2004US20040244974 Method and system for recirculating fluid in a well system
12/09/2004US20040244973 Teritary oil recovery combined with gas conversion process
12/09/2004US20040244970 Determination of thermal properties of a formation
12/09/2004US20040244968 Expanding a tubular member
12/09/2004US20040244449 Method and apparatus to reduce slot width in tubular members
12/09/2004CA2533560A1 Apparatus and method for treating injection fluid
12/08/2004EP1483520A1 High torque modified profile threaded tubular connection
12/08/2004EP1483479A2 Electrochemical process for effecting redox-enhanced oil recovery
12/08/2004EP1483478A1 Double-cone device and pump
12/08/2004EP1383985B1 Wellhead product testing system
12/08/2004EP1335784B1 Combined degassing and flotation tank
12/08/2004EP1141517B1 Drilling method
12/08/2004EP1092078B1 Flying lead workover interface system
12/08/2004CN2661979Y Sliding sleeve type jet pump
12/08/2004CN2661957Y Novel hydraulic end for booster pump
12/08/2004CN2661920Y High displacement water distributor of oil field water injection well
12/08/2004CN2661919Y Safety device for underground blasting
12/08/2004CN2661918Y Guiding balance device for oil pumping unit
12/08/2004CN2661917Y Oil recovery system with electric submersible screw pump suspended by cable
12/08/2004CN2661916Y Downthehole tubing vibration compensation pump
12/08/2004CN2661915Y Fuel gas and electric force double power energy saving type oil pumping unit
12/08/2004CN1553056A Screw pump rotor machining process
12/08/2004CN1553044A Low-density fluid generator
12/07/2004US6828547 Wellbores utilizing fiber optic-based sensors and operating devices
12/07/2004US6827861 Gas-gas-water treatment system for groundwater and soil remediation
12/07/2004US6827146 Double bellows gas lift valve “faustoval”
12/07/2004US6827144 Method for reducing sand production
12/07/2004US6826954 Method and apparatus for flow measurement
12/05/2004CA2431280A1 Bypass valve for a flow through gas lift plunger
12/04/2004CA2735355A1 Method and means for recovering hydrocarbons from oil sands by underground mining
12/04/2004CA2469247A1 A method and means for recovering hydrocarbons from oil sands by underground mining
12/03/2004CA2469320A1 Method and apparatus for lifting liquids from gas wells
12/02/2004WO2004104560A2 Formation-based interpretation of nmr data for carbonate reservoirs
12/02/2004WO2004104370A1 Hydraulic setting tool for liner hanger
12/02/2004WO2004104369A1 Slip energized by longitudinal shrinkage
12/02/2004WO2004104135A1 Methods and compositions for stabilizing swelling clays or migrating fines in formations
12/02/2004WO2004085789A3 Well system, unit module and method for formation of a well system
12/02/2004US20040238184 High impact communication and control system
12/02/2004US20040238181 Liner hanger
12/02/2004US20040238180 Large particulate removal system
12/02/2004US20040238179 Riser pipe gas separator for well pump
12/02/2004US20040238176 Early hydrocarbon production system
12/02/2004US20040238173 Method and apparatus for treating a subterranean formation
12/02/2004US20040238170 Aqueous storable cement spacer system and method of making and using the same
12/02/2004US20040238169 Utilizing high density brine fluid to reduce wellhead pressure and hydraulic horsepower
12/02/2004US20040238168 Expandable sand control screen assembly having fluid flow control capabilities and method for use of same
12/02/2004US20040238167 Method of installing control lines in a wellbore
12/02/2004CA2469960A1 Method for optimizing the production of an oil deposit in the face of uncertainties
12/01/2004EP1482124A1 Non-rotating expandable connection with collapsing type seal
12/01/2004EP1327052B1 Drain element comprising a liner consisting of hollow rods for collecting in particular hydrocarbons
12/01/2004CN2660225Y Parameter regulating pulley
12/01/2004CN2660168Y Pressure sucking pump of oil well
12/01/2004CN2660166Y Through oil-well pump
12/01/2004CN2660120Y High pressure filling water and metering regulator
12/01/2004CN2660119Y Mobile modularized, full automatic metering, centrally transporting, watering and filling water appts.
12/01/2004CN2660117Y Wholly separating delay ignitor
12/01/2004CN2660116Y Perforating bullet cap of oil field
12/01/2004CN2660115Y Constant flow controller of ignition tool set-up
12/01/2004CN2660114Y Bridge water injection mandrel
12/01/2004CN2660113Y Beam-pumping unit able to change loose pulley into rear arm
12/01/2004CN2660102Y Improved wellhead sealing structure for polished rod of beam unit