Patents
Sitemap › E21 - Earth or rock drilling; Mining › E21B - Earth or rock drilling; Obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells › E21B 43 - Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
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)
11/2007
11/14/2007CN200975244Y Fixture unit for external fracturing fracturing power of oil gas well perforator
11/14/2007CN200975243Y Counterweight equipment of horizontal well perforator
11/14/2007CN200975242Y Horizontal well perforating hydraulic time-delay impacting assembly
11/14/2007CN200975241Y Gas impelled into seam equipment
11/14/2007CN200975240Y Double wells two supporting wheel type oil pumping machine
11/14/2007CN200975239Y Umbrella type non-beam pumping unit
11/14/2007CN200975238Y Crank connecting rod type water drain gas production machine
11/14/2007CN200975237Y Beam balance type water drain and gas production machine
11/14/2007CN200975236Y Double well wheeled type oil pumping machine
11/14/2007CN200975235Y Integral forging bias gas lift working drum
11/14/2007CN200975234Y Top sheave type oil pumping machine transmission driven by arced permanent magnetism linear electric motors
11/14/2007CN101070840A Oil-submersible motor pump protection device
11/14/2007CN101070837A W-type towing oil-pumping machine
11/14/2007CN101070754A In-advance sand-preventing device for open horizontal well
11/14/2007CN100348833C Lifter of linear motor with double action for reciprocating pump
11/13/2007US7295491 High impact communication and control system
11/13/2007US7293940 Guide tube for a flexible pipe for transporting hydrocarbons
11/13/2007US7293611 CO2 miscible optimized hydrocarbon blends and methods of using CO2 miscible optimized hydrocarbon blends
11/13/2007US7293608 Liquid well stimulator
11/13/2007CA2481847C Methods for increasing production from a wellbore
11/13/2007CA2437860C Well pump capsule
11/13/2007CA2403881C Tubing hanger system with gate valve
11/13/2007CA2375808C Method of deploying an electrically driven fluid transducer system in a well
11/10/2007CA2588297A1 Method and apparatus for stimulating production from oil and gas wells by freeze-thaw cycling
11/09/2007CA2587982A1 Wellbore evaluation system and method
11/08/2007WO2007127766A1 Systems and methods for producing oil and/or gas
11/08/2007WO2007126676A2 In situ co-development of oil shale with mineral recovery
11/08/2007WO2007126496A2 Wellbore method and apparatus for sand and inflow control during well operations
11/08/2007WO2007126431A1 Use of fluorocarobon surfactants to improve productivity of gas and gas condensate wells
11/08/2007WO2007126331A1 Method for operating a jet device for developing and operating oil- and-gas wells
11/08/2007WO2007019585A3 Methods and compositions for determination of fracture geometry in subterranean formations
11/08/2007WO2006079110A3 Downhole jet pump
11/08/2007US20070259791 Thermal insulation compositions containing organic solvent and gelling agent and methods of using the same
11/08/2007US20070257405 Method and a Device for Expanding a Body Under Overpressure
11/08/2007US20070256864 Downhole swivel apparatus and method
11/08/2007US20070256840 Method and Actuator Device
11/08/2007US20070256838 Fracturing fluids for use in oil and gas recovery operations
11/08/2007US20070256837 Method for Operating a Well Jet Device in the Conditions of a Formation Hydraulic Fracturing
11/08/2007US20070256836 Methods of treating a subterranean formation with a treatment fluid having surfactant effective to increase the thermal stability of the fluid
11/08/2007US20070256835 Self Diverting Matrix Acid
11/08/2007US20070256834 Particle control screen with depth filtration
11/08/2007US20070256833 formation fluid is separated to produce a liquid stream and an olefinic first gas stream, liquid stream is fractionated to produce a second gas stream including hydrocarbons with 3 or more carbon atoms, alkylating first and second gas stream to produce alkyalted hydrocarbons ( butane, pentane, hexane)
11/08/2007US20070256831 Method for Controlling the Quality of a Gas Produced from Multiple Wells Collected by a Gathering System
11/08/2007US20070256830 Method and an apparatus for evaluating a geometry of a hydraulic fracture in a rock formation
11/08/2007US20070256826 Multi-zone frac-packing using screen-conveyed linear charges
11/08/2007CA2787840A1 Wellbore method and apparatus for sand and inflow control during well operations
11/08/2007CA2650191A1 Systems and methods for producing oil and/or gas
11/08/2007CA2546223A1 Self-sustaining on-site production of electricity utilizing oil shale and/or oil sands deposits
11/07/2007EP1852718A2 Downhole NMR processing
11/07/2007EP1852571A1 Borehole cleaning using downhole pumps
11/07/2007EP1851500A1 Shaped charge assembly and method of damaging a target
11/07/2007EP1702133B1 Method for drilling and lining a wellbore
11/07/2007EP1618279B1 Method of creating a borehole in an earth formation
11/07/2007CN200972591Y Energy-saving intelligent digital controller for beam unit
11/07/2007CN200972421Y Fixed load sensor for pumping well measuring diagram
11/07/2007CN200972388Y Displacement collection device for belt beam unit ergogram
11/07/2007CN200971851Y Automatic unloading dual househead pumping unit
11/07/2007CN200971848Y Corrosion-proof sand-proof underground beam unit
11/07/2007CN200971777Y Multifunction oil output increasing device
11/07/2007CN200971776Y Thermal insulation underground multi-stage compensation for oil field gas injection well
11/07/2007CN200971775Y Underground negative pressure deplug obtaining tool
11/07/2007CN200971774Y Balance beam pump
11/07/2007CN200971773Y Single-crank direct beam-balanced pump
11/07/2007CN200971772Y Relay plunger gas-life oil or gas production device
11/07/2007CN200971771Y Coaxial secondary crank balance beam unit
11/07/2007CN200971764Y Tube plug for concentric profile control well
11/07/2007CN101067414A Interanimation reversing piston oil production machine set
11/07/2007CN101067413A Sand stop for electric submersible pump
11/07/2007CN101067373A One line tube column partial pressure three-layer tube column and using method thereof
11/07/2007CN101067372A High-pressure mixed gas generator used for petroleum thermal recovery gas injection machine
11/07/2007CN101067371A Fast distributing and water floor injection well zone-by-zone flow allocating technology
11/07/2007CN101067370A Adaptive filling expansion scree tube and expanding method thereof
11/07/2007CN101067369A Pumping well simplified working method
11/07/2007CN101067368A Multifunction underwell hydraulic oil producing device
11/07/2007CN101067367A Thickened oil deep well intelligent pumping unit
11/07/2007CN100347405C Solid propping agent and its preparation method
11/07/2007CN100347404C Method and apparatus for treating a subterranean formation
11/07/2007CN100347403C Advanced gas injection method and apparatus and liquid hydrocarbon compound recovery system
11/07/2007CN100347402C Thermal recovery method for coal seam gas
11/06/2007US7291651 Carbon dioxide foamed fluids
11/06/2007US7290617 Running a completion assembly without killing a well
11/06/2007US7290616 Liner hanger
11/06/2007US7290614 Methods for effecting controlled break in pH dependent foamed fracturing fluid
11/06/2007US7290610 Washpipeless frac pack system
11/06/2007US7290608 Method and system for pumping in an oil well
11/06/2007US7290607 Device for the separation of the gas phase from a mixture of fluid/gas for use in hydrocarbons producing and injection wells
11/06/2007US7290606 Inflow control device with passive shut-off feature
11/06/2007US7290605 Seal receptacle using expandable liner hanger
11/06/2007US7290602 Internal shock absorber bypass plunger
11/06/2007CA2471053C Borehole tubing expansion using two expansion devices
11/06/2007CA2471051C Borehole tubing expansion
11/06/2007CA2441240C Tubing connection arrangement
11/06/2007CA2418530C Method and system for performing an operation in a well
11/06/2007CA2400602C Pressure boost pump
11/06/2007CA2353064C Gas displaced chamber lift system
11/06/2007CA2327098C Extended reach tie-back system
11/06/2007CA2264354C Electrical heater
11/06/2007CA2239599C Compositions and methods for hydraulic fracturing
11/06/2007CA2173414C Oil production well and assembly of such wells
11/05/2007CA2545828A1 Pump for dewatering gas wells
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