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)
05/2003
05/07/2003CN2549175Y Flat steel-wire rope oil sucker
05/07/2003CN1416499A Method and appts. for stimulation of multiple formation intervals
05/07/2003CN1415860A Revolving positive displacement typed gydraulic driving gear and hydraulic driving pumping unit
05/07/2003CN1415858A Electric oil-immersed plunger pump
05/07/2003CN1415744A Method for screening and separating microbial edge-water encroachment fungoid
05/06/2003US6558128 Fluid well pumping system
05/06/2003US6558084 Device for connecting a submerged fluid-transporting line
05/06/2003US6557650 Thermosensitive adsorptive material inside a container with a temperature-activated mechanism to open
05/06/2003US6557643 Rod hanger and clamp assembly
05/06/2003US6557642 Submersible pumps
05/06/2003US6557640 Lubrication and self-cleaning system for expansion mandrel
05/06/2003US6557639 Apparatus and method for pumping fluids for use with a downhole rotary pump
05/06/2003US6557638 Concentric tubing completion system
05/06/2003US6557636 Method and apparatus for perforating a well
05/06/2003US6557635 Methods for completing wells in unconsolidated subterranean zones
05/06/2003US6557634 Apparatus and method for gravel packing an interval of a wellbore
05/06/2003US6557628 Apparatus for establishing branch wells from a parent well
05/06/2003CA2346824C Explosion prevention system for internal turret mooring system
05/06/2003CA2101446C Well completion system
05/05/2003CA2408425A1 Apparatus and method for downhole well equipment and process management, identification, and operation
05/02/2003EP1306519A2 Wear-resistant, variable diameter expansion tool and expansion methods
05/02/2003EP1306518A2 Sand control screen assembly having an adjustable flow rate and associated methods of completing a subterranean well
05/02/2003EP1305503A1 Fracturing different levels within a completion interval of a well
05/02/2003EP1305501A1 Method for treating multiple wellbore intervals
05/02/2003EP0842347B1 Device and process for the lining of a pipe branch, particularly in an oil well
05/01/2003WO2003036043A2 Forming openings in a hydrocarbon containing formation using magnetic tracking
05/01/2003WO2003036041A2 In situ recovery from a hydrocarbon containing formation using barriers
05/01/2003WO2003036040A2 In situ thermal processing of a hydrocarbon containing formation using a natural distributed combustor
05/01/2003WO2003036039A1 In situ production of a blending agent from a hydrocarbon containing formation
05/01/2003WO2003036038A2 In situ thermal processing of a hydrocarbon containing formation via backproducing through a heater well
05/01/2003WO2003036037A2 Installation and use of removable heaters in a hydrocarbon containing formation
05/01/2003WO2003036036A1 In situ recovery from lean and rich zones in a hydrocarbon containing formation
05/01/2003WO2003036035A2 In situ upgrading of coal
05/01/2003WO2003036034A1 Coductor-in-conduit heat sources with an electrically conductive material in the overburden
05/01/2003WO2003036033A1 Simulation of in situ recovery from a hydrocarbon containing formation
05/01/2003WO2003036032A2 In situ thermal processing of a hydrocarbon containing formation to produce heated fluids
05/01/2003WO2003036031A2 Seismic monitoring of in situ conversion in a hydrocarbon containing formation
05/01/2003WO2003036030A2 In situ thermal processing and upgrading of produced hydrocarbons
05/01/2003WO2003036029A1 Well production apparatus and method
05/01/2003WO2003036028A2 Multi-shot tubing perforator
05/01/2003WO2003036027A1 Lubricant for use in a wellbore
05/01/2003WO2003036026A1 Method of expanding a tubular in a wellbore
05/01/2003WO2003036025A1 System for lining a section of a wellbore
05/01/2003WO2003036024A2 Method and system for in situ heating a hydrocarbon containing formation by a u-shaped opening
05/01/2003WO2003036023A1 Management of by-products from subterranean zones
05/01/2003WO2003036018A2 Downhole actuator and tool
05/01/2003WO2003036016A1 Method for conditioning wellbore fluids and sucker rod therefore
05/01/2003WO2003036012A2 Apparatus and method to expand casing
05/01/2003WO2003036011A2 Hydraulic pump for extracting fluids from wells
05/01/2003WO2003035811A1 Remediation of a hydrocarbon containing formation
05/01/2003WO2003035801A2 Producing hydrocarbons and non-hydrocarbon containing materials from a hydrocarbon containing formation
05/01/2003WO2002046572A9 Method and apparatus for treating a wellbore with vibratory waves to remove particles therefrom
05/01/2003US20030080604 In situ thermal processing and inhibiting migration of fluids into or out of an in situ oil shale formation
05/01/2003US20030079886 Expandable tubing and method
05/01/2003US20030079885 Expandable tubing and method
05/01/2003US20030079882 Gas restrictor for horizontally oriented well pump
05/01/2003US20030079878 Completion system, apparatus, and method
05/01/2003US20030079877 In situ thermal processing of a relatively impermeable formation in a reducing environment
05/01/2003US20030079876 Method and system for regeneration of a membrane used to separate fluids in a wellbore
05/01/2003US20030079875 Fracture closure pressure determination
05/01/2003CA2463807A1 Management of by-products from subterranean zones
05/01/2003CA2463610A1 Device for performing a downhole operation
05/01/2003CA2463423A1 Upgrading and mining of coal
05/01/2003CA2463109A1 In situ thermal processing of a hydrocarbon containing formation using a natural distributed combustor
05/01/2003CA2462971A1 Installation and use of removable heaters in a hydrocarbon containing formation
04/2003
04/30/2003CN2547909Y Sucker-rod oil-well pump cylindrical pump valve
04/30/2003CN2547906Y Movable-barrel sand-preventing oil-well pump
04/30/2003CN2547905Y Long-plunger exhaust sand-preventing oil-well pump
04/30/2003CN2547904Y Deep-extracting oil-well pump
04/30/2003CN2547903Y Long-stroke feed back oil-well pump
04/30/2003CN2547902Y Leakproof, anti-airlock efficient oil-well pump
04/30/2003CN2547873Y Thickened oil heat-recovery well injetion-recovery disposable tubular column
04/30/2003CN2547872Y Composite metal filtering screen and itssand-preventing sieve tube
04/30/2003CN2547871Y Radio monitoring and managing system for oil field production equipment
04/30/2003CN1415090A Method and program for simulating physical system using object-oriented programming
04/30/2003CN1415070A Multiphase flow measurement system
04/30/2003CN1414213A New type supporting agent for use when injection well is fractured
04/30/2003CN1414212A Medium and low pormeability oil layer polymer oil displacing layer combination method
04/30/2003CN1414211A Oil field production monitoring and management system
04/30/2003CN1414210A Vertical tube beam pumping unit
04/29/2003US6554580 Plunger for well casings and other tubulars
04/29/2003US6554287 Collapsing type seal for expandable tubular connections
04/29/2003US6554081 Components and methods for use with explosives
04/29/2003US6554067 Well completion process for formations with unconsolidated sands
04/29/2003US6554066 Gas separator with automatic level control
04/29/2003US6554065 Memory gravel pack imaging apparatus and method
04/29/2003US6554064 Method and apparatus for a sand screen with integrated sensors
04/29/2003US6554063 Apparatus for establishing branch wells from a parent well
04/29/2003CA2232925C Sucker rod coupling
04/29/2003CA2093426C Method and apparatus for treating formations using alternative flowpaths
04/24/2003WO2003033872A1 An installation for the separation of fluids
04/24/2003WO2003033871A1 System and method for separating fluids
04/24/2003WO2003033870A1 Multiphase fluid conveyance system
04/24/2003WO2003033869A1 A method and system for handling producing fluid
04/24/2003WO2003033868A1 Single well development system
04/24/2003WO2003033867A2 A system and method for injecting gas into a hydrocarbon reservoir
04/24/2003WO2003033866A1 A system and method for injecting water into an underwater hydrocarbon reservoir
04/24/2003WO2003033865A1 Combination well kick off and gas lift booster unit
04/24/2003WO2003033864A1 Method of progressively gravel packing a zone
04/24/2003WO2003033863A1 Early hydrocarbon production system
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