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)
01/2007
01/24/2007CN2861479Y Polymer eccentric injection allocator with shuttle bar
01/24/2007CN2861478Y Small diameter bridge water distributer
01/24/2007CN2861477Y Gun perforator with clamp fixing blasting cord and dedicated tools for clamp fixing
01/24/2007CN2861476Y Oil recovery device of pumping well casing
01/24/2007CN2861475Y Connection support between single crank double-stroke pumping unit and well mouth
01/24/2007CN2861472Y Sand-discharging well-cleaning valve of water-flooding pipe string
01/24/2007CN2861471Y Diversion double-layer eccentric water distribution packer
01/24/2007CN2861466Y Downwell automatic plugging device for snubbing unit without digging and spraying
01/24/2007CN2861455Y Suspended rope regulator
01/24/2007CN1902437A Method for production of high pressure steam from produced water
01/24/2007CN1902424A Method of producing a hermetic tubular joint comprising local and initial added thickness(es), by means of plastic expansion
01/24/2007CN1902423A Production by plastic expansion of a sealed tubular joint with inclined abutting surface(s)
01/24/2007CN1902422A Method of assembling two hermetic threaded tubular joints comprising a local and initial added thickness, by means of plastic expansion
01/24/2007CN1902376A Dissolving filter cake
01/24/2007CN1900521A Fishable linear motor reciprocating pump
01/24/2007CN1900481A Perforation efficiency detecting system under analogue storage layer condition
01/24/2007CN1900480A Metering separator for oil, gas, water and sand
01/24/2007CN1900479A Polymer driving same well split injecting method
01/24/2007CN1900478A Method for determining oil pumping machine well system parameter
01/24/2007CN1900477A Chang-over speed reducing box long stroke oil pumping machine
01/24/2007CN1296600C Packer
01/23/2007US7165892 Downhole fiber optic wet connect and gravel pack completion
01/23/2007US7165634 Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
01/23/2007US7165633 Drilling fluid filter
01/23/2007US7165621 Method for exploitation of gas hydrates
01/23/2007US7165618 Inductively coupled method and apparatus of communicating with wellbore equipment
01/23/2007US7165617 Using a viscosified treatment fluid to create or enhance one or more fractures in the portion of the subterranean formation, the viscosified treatment fluid comprising a sodium bromide brine and a crosslinked viscosifying agent, wherein crosslinked viscosifying agent comprises a crosslinked galactomannan
01/23/2007US7165616 Method of controlling the direction of propagation of injection fractures in permeable formations
01/23/2007US7165615 In situ recovery from a hydrocarbon containing formation using conductor-in-conduit heat sources with an electrically conductive material in the overburden
01/23/2007US7165613 Propped fracture with high effective surface area
01/23/2007US7165611 Single trip perforation/packing method
01/23/2007CA2502399C Hydraulic fluid distribution system
01/23/2007CA2389112C Device and method for measuring fluid and solute fluxes in flow systems
01/23/2007CA2367753C Casing conveyed perforating process and apparatus
01/23/2007CA2193923C Method of oil/gas stimulation
01/22/2007CA2512924A1 High energy gas fracturing charge device and method of use
01/18/2007WO2007008947A1 Whipstock liner
01/18/2007WO2007008793A2 Multiphase fluid characterization
01/18/2007WO2007006963A2 Method and installation for connecting a rigid submarine pipeline and a flexible submarine pipeline
01/18/2007WO2007006239A1 An extracting remaining oil method using horizontal wells to inject profile control agent for blocking water injection channel of oil reservoir
01/18/2007WO2006120466A3 Apparatus for controlling a downhole device
01/18/2007WO2006108091A9 Well bore fluid redistribution and fluid disposal
01/18/2007WO2006042338A3 Apparatus and method for increasing well production
01/18/2007WO2006014951A3 Method of pumping an “in-the formation” diverting agent in a lateral section of an oil or gas well
01/18/2007US20070015668 Treatment fluids with improved shale inhibition and methods of use in subterranean operations
01/18/2007US20070012456 Wellbore Casing
01/18/2007US20070012453 Optical sensor use in alternate path gravel packing with integral zonal isolation
01/18/2007US20070012451 Piggable flowline-riser system
01/18/2007US20070012450 Hydrocarbon production system and method of use
01/18/2007US20070012449 Coiled tubing wireline cutter
01/18/2007US20070012445 introducing a consolidating agent(epoxy resins, silyl modifed polyamide as tackifying agent , or gelation agent) into the formation to transform a portion of the formation surrounding the well bore into a consolidated region, adding an after-flush fluid (amino methacrylate-co-alkylamino methacrylate)
01/18/2007US20070012444 Apparatus and method for reducing water production from a hydrocarbon producing well
01/18/2007US20070012442 Methods and apparatus for optimizing well production
01/18/2007CA2614265A1 Corrosion inhibitor or intensifier for use in acidizing treatment fluids
01/17/2007EP1743085A1 The procedure and apparatus for helium or free methane extraction from sea of the shore
01/17/2007EP1743084A2 Deploying an assembly into a well
01/17/2007EP1664484B1 Device and method of lining a wellbore
01/17/2007EP1606160B1 Device and method for stabilising and controlling the lowering or raising of a heavy structure between the surface and the bed of the sea
01/17/2007EP1483479B1 Electrochemical process for effecting redox-enhanced oil recovery
01/17/2007CN2859797Y Mine pore operation condition monitoring apparatus
01/17/2007CN2858947Y Beaming fracturing unit
01/17/2007CN2858946Y Judgment device for determining hollow bar anti-injection and bar broken and pull-off
01/17/2007CN2858945Y Control valve for oil well polymer injection
01/17/2007CN2858944Y Beaming spot punch
01/17/2007CN2858943Y Differential balance pressure oil pump
01/17/2007CN2858942Y Oil pumping unit for external-rotor big-torque motor
01/17/2007CN2858941Y Direct-driven oil pumping unit for permanent magnet disk motor
01/17/2007CN2858940Y Three-in-one oil pumping unit for universal oil well
01/17/2007CN1898454A Well control and monitoring system using high temperature electronics
01/17/2007CN1896516A Efficient reversed beam-pumping unit
01/17/2007CN1896457A Ultrasonic crude-oil, gas and sand separator
01/17/2007CN1896456A Beam-pumping unit stroke adjusting method and adjuster
01/17/2007CN1896453A Self-sealed compensated beam-pumping stabilizer
01/17/2007CN1896184A Supersonic wing of supersonic spiral natural-gas separator
01/17/2007CN1295422C Edge water scheduling technique for oil field using edge water to displace oil
01/17/2007CN1295420C Method for deblocking blocked pipe for extracting mirabilite ore deposit by using water soluble method and its equipment
01/16/2007US7163063 Method and system for extraction of resources from a subterranean well bore
01/16/2007US7163060 Difunctional phosphorus-based gelling agents and gelled nonaqueous treatment fluids and associated methods
01/16/2007US7163057 Completion apparatus and methods for use in hydrocarbon wells
01/16/2007US7163056 Esterquat acidic subterranean treatment fluids and methods of using esterquats acidic subterranean treatment fluids
01/16/2007CA2370055C Well treatment fluid
01/16/2007CA2357973C Fracturing fluid
01/16/2007CA2204664C System for compressing a fluid in several phases with a centrifugal pump
01/13/2007CA2714879A1 Methods and apparatus for optimizing well production
01/11/2007WO2007005944A2 Composition and method to enhance recovery from oil wells
01/11/2007WO2007005024A1 Method and apparatus for measuring the density of one component in a multi-component flow
01/11/2007WO2007003597A1 Mehod and apparatus for actuating oilfield equipment
01/11/2007WO2007003445A1 Sensor system for gas lift wells
01/11/2007US20070009328 Spool piece termination structure, a connection arrangement comprising such a termination structure and a pipeline termination
01/11/2007US20070007015 Centraliser
01/11/2007US20070007013 Downhole gas compressor
01/11/2007US20070007012 Flow completion system
01/11/2007US20070007011 Shoe for expandable liner system
01/11/2007US20070007010 Methods and compositions for controlling formation fines and reducing proppant flow-back
01/11/2007US20070007009 Methods of well stimulation and completion
01/11/2007US20070007007 Method and apparatus for wellbore fluid treatment
01/11/2007US20070007006 Mixing energy analysis of high-yielding non-newtonian fluids for severe lost circulation prevention
01/11/2007US20070007004 Composition and method to enhance recovery from oil wells
01/11/2007US20070006920 Combined storage facility for co2 and natural gas
01/11/2007DE10360704B4 Anordnung und Verfahren zum Einbringen von Reagenzien in einen Grundwasserstrom Apparatus and method for introducing reagents in a groundwater flow