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)
10/2006
10/19/2006US20060231260 Device and a method for optional closing of a section of a well
10/19/2006US20060231259 Method for servicing a well bore using a mixing control system
10/19/2006US20060231258 Method of forming a window in a casing
10/19/2006US20060231257 Methods of using a laser to perforate composite structures of steel casing, cement and rocks
10/19/2006US20060231256 Chemical injection well completion apparatus and method
10/19/2006US20060231254 Method and apparatus for transferring material into a fluid stream
10/19/2006US20060231253 Horizontal single trip system with rotating jetting tool
10/19/2006US20060231252 Method for oil recovery from an oil field
10/19/2006US20060231249 Expander system for incremental expansion of a tubular element
10/19/2006US20060231247 Production Plunger
10/19/2006DE112004002559T5 Fluidverlust-Kontrolladditive für die Verwendung beim Zerklüften von unterirdischen Formationen Fluid loss control additives for use in fracturing subterranean formations
10/18/2006EP1712732A1 Liner hanger, running tool and method
10/18/2006EP1712731A1 Liner hanger, running tool and method
10/18/2006EP1712730A2 Liner hanger, running tool and method
10/18/2006EP1712729A2 Liner hanger, running tool and method
10/18/2006EP1711684A1 Method for extracting a mine gas in areas which are not directly influenced by mining
10/18/2006EP1711681A1 Annulus plugging detection using a pressure transmitter in gas-lift oil production
10/18/2006EP1711680A1 Wellbore gravel packing apparatus and method
10/18/2006EP1649136B1 System for sealing a space in a wellbore
10/18/2006EP1339937A4 Improved method for stimulation of liquid flow in a well
10/18/2006EP0918918B1 Variable orifice gas lift valve for high flow rates with detachable power source and method of using
10/18/2006CN2828310Y Multifunction underground reinforced sand-proof sand filtering device
10/18/2006CN2828309Y Automatic water drainage gas production device of coal-bed gas well
10/18/2006CN1847613A Acidification data monitoring method
10/18/2006CN1847612A Triphase separating liquid reservoir
10/18/2006CN1847611A Linear electromagnetic pumping unit
10/18/2006CN1847608A Spring type Y-shaped well joint
10/18/2006CN1280522C Method and well completion device for removing condensables from natural gas stream
10/18/2006CN1280521C Device and method for acid exciting of underwell structure layer
10/18/2006CN1280520C Device and method for improving heavy oil yield
10/18/2006CN1280519C Anaerobic burning heating apparatus for oil field well
10/18/2006CN1280443C Expanding metal material and bulged tube device for petroleum oil well
10/17/2006US7123162 Subsea communication system and technique
10/17/2006US7121352 Isolation of subterranean zones
10/17/2006US7121351 Apparatus and method for completing a wellbore
10/17/2006US7121350 Torque anchor
10/17/2006US7121342 Thermal processes for subsurface formations
10/17/2006US7121341 Conductor-in-conduit temperature limited heaters
10/17/2006US7121340 Method and apparatus for reducing pressure in a perforating gun
10/17/2006US7121339 Solids-stabilized oil-in-water emulsion and a method for preparing same
10/17/2006US7121337 Apparatus for expanding a tubular member
10/17/2006US7121335 Plunger for gas wells
10/17/2006CA2521013C Plunger lift piston
10/17/2006CA2292429C Oil production system
10/17/2006CA2283741C A method and device for the separation of a fluid in a well
10/17/2006CA2237126C Deformable well screen and method for its installation
10/12/2006WO2006108161A2 Method of recycling fracturing fluids using a self-degrading foaming composition
10/12/2006WO2006108091A2 Well bore fluid redistribution and fluid disposal
10/12/2006WO2006106287A1 Methods useful for controlling fluid loss in subterranean treatments
10/12/2006WO2006106280A1 Apparatus and method for transferring fluids from a floating vessel to a subsea intervention module
10/12/2006WO2006045998A3 Methods for producing fluids from acidized and consolidated portions of subterranean formations
10/12/2006WO2006023657A3 Methods for constructing underground borehole configurations and related solution mining methods
10/12/2006US20060225893 Valve for controlling the flow of fluid between an interior region of the valve and an exterior region of the valve
10/12/2006US20060225892 Apparatus for radially expanding and plastically deforming a tubular member
10/12/2006US20060225889 Downhole draw down pump and method
10/12/2006US20060225888 Method and apparatus for pumping wells with a sealing fluid displacement device
10/12/2006US20060225887 Method and apparatus for accumulating liquid and initiating upward movement when pumping a well with a sealed fluid displacement device
10/12/2006US20060225886 Downhole jet pump
10/12/2006US20060225884 Providing fluid comprising an aqueous fluid, a gelling agent, and a zirconium triisopropylamine crosslinking agent, wherein crosslink forms in gelling agent while the fluid has a temperature of less than about 70 degrees F.; introducing the fluid into a well bore that penetrates subterranen formation
10/12/2006US20060225883 Self-leveling in-situ device and method for passively removing oil from water wells
10/12/2006US20060225810 Buoyancy device and method for stabilizing and controlling lowering or raising of a structure between the surface and the sea floor
10/12/2006CA2826313A1 Method of recycling fracturing fluids using a self-degrading foaming composition
10/12/2006CA2603960A1 Method of recycling fracturing fluids using a self-degrading foaming composition
10/11/2006EP1710393A2 Method and apparatus for controlling fluid flow in subterranean formations
10/11/2006EP1709363A2 Method for production of high pressure steam from produced water
10/11/2006EP1709292A1 Method of creating a zonal isolation in an underground wellbore
10/11/2006EP1709291A2 Consolidation agents and the use thereof for consolidating moulded bodies and geological formations consisting of porous or particulate materials
10/11/2006EP1649137B1 Expanding a tubular element to different inner diameters
10/11/2006EP1434926B1 Method and plant for increasing oil recovery by gas injection
10/11/2006EP1299616B1 Deformable member
10/11/2006EP1259710B1 Oilwell casing electrical power pick-off points
10/11/2006EP1259708B1 Wireless power and communications cross-bar switch
10/11/2006EP0859902B2 Deformable well screen and method for its installation
10/11/2006CN2826005Y Brake locking device for oil pumping unit
10/11/2006CN2825942Y Drum support
10/11/2006CN2825941Y Dual-jet combined perforator gun body assembly for oil and gas well
10/11/2006CN2825940Y Rack locking type perforating gun
10/11/2006CN2825939Y Full-automatic chemicals charging apparatus
10/11/2006CN2825929Y Wellhead device for oil-water well fracturing construction
10/11/2006CN1846041A Expanding a tubular element to different inner diameters
10/11/2006CN1846040A Method for stimulating an oilfield comprising using different scale-inhibitors
10/11/2006CN1845024A Frequency conversion control system of long-stroke pumping unit without walking beam
10/11/2006CN1844714A Reversing speed reducer
10/11/2006CN1279691C Electric control energy saving device for oil pump unit
10/11/2006CN1279287C Well jet device
10/10/2006US7117957 Methods for drilling and lining a wellbore
10/10/2006US7117956 Pipe conveyed explosive with self contained actuation
10/10/2006US7117947 Well chemical treatment utilizing plunger lift delivery system
10/10/2006US7117946 In-situ evaporation
10/10/2006US7117943 Friction reducers for fluids comprising carbon dioxide and methods of using friction reducers in fluids comprising carbon dioxide
10/10/2006US7117942 Methods useful for controlling fluid loss during sand control operations
10/10/2006US7117940 Expander for expanding a tubular element
10/10/2006CA2452825C Method and apparatus for plugging a wellbore
10/10/2006CA2452473C System and method for the production of oil from low volume wells
10/10/2006CA2435601C Valve cage insert
10/10/2006CA2147079C Process and apparatus for the recovery of hydrocarbons from a reservoir of hydrocarbons
10/06/2006CA2523100A1 Gas well having water disposal pump
10/05/2006WO2006104982A2 Fluid recovery system and method
10/05/2006WO2006104462A1 Improvements to viscosity reduction means in oil products
10/05/2006WO2006039194A3 Fast hydrating guar powder, method of preparation, and methods of use