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)
10/2005
10/20/2005US20050230105 Well completion with merged influx of well fluids
10/20/2005US20050230104 Apparatus for expanding a tubular member
10/20/2005US20050230103 Apparatus for expanding a tubular member
10/20/2005US20050230102 Apparatus for expanding a tubular member
10/20/2005US20050229805 Connector for perforating gun tandem
10/20/2005CA2559797A1 Paraffin inhibitors
10/19/2005EP1586737A1 Completion apparatus and methods for use in hydrocarbon wells
10/19/2005EP1585885A2 Actuator for well-head valve or other similar applications and system incorporating same
10/19/2005EP1392953A4 Line hanger, running tool and method
10/19/2005EP1204807B1 Device and method for maintaining and guiding a riser, and method for transferring a riser onto a floating support
10/19/2005EP1114286A4 Method for transportation of low molecular weight hydrocarbons
10/19/2005CN2735043Y Sand prevention hydraulic feedback oil well pump with an oil feed sand deposition passage
10/19/2005CN2735041Y Downhole linear motor driven crude oil lifting installation
10/19/2005CN2735040Y Downhole-driven lifting installation
10/19/2005CN2735039Y Multifunctional oil-well pump with a moving drum
10/19/2005CN2735038Y Long-plug ring seal hydraulic feedback oil well pump
10/19/2005CN2735037Y Large interval channel eccentric wear proof oil-well pump
10/19/2005CN2735000Y Anti-theft automatic detection device for steam injection pipe network
10/19/2005CN2734998Y Automatic detection and alarm apparatus for water intake of lubricating oil
10/19/2005CN2734997Y Three phase separator for extracted liquid containing polymer
10/19/2005CN2734996Y High pressure steam iso-dryness distributor
10/19/2005CN2734995Y Production assembly capable of recognizing oil layer hierarchically
10/19/2005CN2734994Y Wellhead controller for water injection well
10/19/2005CN2734993Y Interlayered gun as perforator for oil-gas well
10/19/2005CN2734992Y Broken polished rod production recovery auxiliary device for pumping well
10/19/2005CN2734991Y Deep well pumping energy economizer
10/19/2005CN2734990Y Sliding auxiliary balance device on conventional pumping unit curved beam
10/19/2005CN2734988Y Wellhead check valve for water injection well
10/19/2005CN2734980Y Tubing anchor oil drainer
10/19/2005CN2734975Y Sucker rod operation protector
10/19/2005CN1685132A Gravel pack crossover tool with check valve in the evacuation port
10/19/2005CN1685131A Method and system for accessing subterranean deposits
10/19/2005CN1683791A Directly driving screw pump device
10/19/2005CN1683749A Adjustable variable moment type slide beam balance method for oil pumping unit
10/19/2005CN1683748A Single plate double side stator type linear motor oil pumping machine
10/18/2005US6955704 Mobile gas separator system and method for treating dirty gas at the well site of a stimulated well
10/18/2005US6955221 Active heating of thermally insulated flowlines
10/18/2005US6955217 Method and apparatus for a tubing conveyed perforating guns fire identification system using fiber optics
10/13/2005WO2005095751A1 Modular design for downhole ecd-management devices and related methods
10/13/2005WO2005094961A1 A process for the treatment of fluids originating from submarine oil fields
10/13/2005WO2005072289A3 Improved down hole oil and gas well heating system and method for down hole heating of oil and gas wells
10/13/2005WO2005021921B1 A method of radially expanding and plastically deforming tubular members
10/13/2005US20050227875 Method of reclaiming brine solutions using an organic chelant
10/13/2005US20050227874 Composition and method for fracturing subterranean reservoirs
10/13/2005US20050226752 Apparatus and method for reducing gas lock in downhole pumps
10/13/2005US20050226751 Water pressure system with pressure tank installed within well casing of well
10/13/2005US20050224231 Flow switchable check valve
10/13/2005US20050224230 Composition and process for enhanced oil recovery
10/13/2005US20050224225 Apparatus for expanding a tubular member
10/13/2005US20050224223 Heating apparatus for wells
10/13/2005US20050223535 Method and apparatus for forming a mono-diameter wellbore casing
10/13/2005CA2503917A1 Apparatus and method for reducing gas lock in downhole pumps
10/12/2005EP1583887A1 Method and device for intensifying the permeability of ground layers close to bore holes and filter bodies and filter layers in wells and other production wells
10/12/2005EP1583810A1 Self-generating foamed drilling fluids
10/12/2005EP1434642A4 High-pressure separation of a multi-component gas
10/12/2005EP1350005B1 Hydraulic running tool
10/12/2005EP1179116B1 Recovery of production fluids from an oil or gas well
10/12/2005CN2733262Y Well top installation for geothermal tertiary sandstones recharge
10/12/2005CN2732994Y Down-hole ultrasonic swirl atomizer
10/12/2005CN2732993Y Downhole choke for gas well
10/12/2005CN1682009A System and method for automating or metering fluid recovered at a well
10/12/2005CN1682008A Three-dimensional well system for accessing subterranean zones
10/12/2005CN1682007A Drilling method
10/12/2005CN1681572A Device for separating multi-phase fluids
10/12/2005CN1680716A Oil-sucking pump system without rigid cylinder and plunger
10/12/2005CN1222682C Method of deploying electrically driven fluid transducer system in well
10/12/2005CN1222681C Method for expanding a tubular element in a wellbore
10/12/2005CN1222678C Drilling and completion system for multilateral wells
10/11/2005US6953088 Method and system for controlling the production rate of fluid from a subterranean zone to maintain production bore stability in the zone
10/11/2005US6953087 Thermal processing of a hydrocarbon containing formation to increase a permeability of the formation
10/11/2005CA2450223C Downhole flow control devices
10/11/2005CA2240520C Apparatus for setting a liner in a well casing
10/07/2005CA2503969A1 Self-sustaining on-site production of electricity utilizing oil shale
10/06/2005WO2005093211A1 System and method for multiple wells from a common surface location
10/06/2005WO2005093210A1 Method and device for the recovery of liquids and/or substances retained in ground or rock strata
10/06/2005WO2005093209A1 Method of injecting lift gas into a production tubing of an oil well and gas lift flow control device for use in the method
10/06/2005WO2005093208A1 Perforating gun assembly and method for creating perforation cavities
10/06/2005WO2005093207A1 Performing gun assembly and method for enhancing perforation depth
10/06/2005WO2005093206A1 One trip perforating, cementing, and sand management apparatus and method
10/06/2005WO2005091883A2 Extracting and processing hydrocarbon-bearing formations
10/06/2005WO2005048664A3 High temperature circuits
10/06/2005US20050220645 Submersible Pumping System and Method for Boosting Subsea Production Flow
10/06/2005US20050218711 Method and means for recovering hydrocarbons from oil sands by underground mining
10/06/2005US20050217867 Apparatus to allow a coiled tubing tractor to traverse a horizontal wellbore
10/06/2005US20050217866 Mono diameter wellbore casing
10/06/2005US20050217865 System for radially expanding a tubular member
10/06/2005US20050217864 Circulating sub
10/06/2005US20050217861 Apparatus to allow a coiled tubing tractor to traverse a horizontal wellbore
10/06/2005US20050217860 Electrical submersible pump actuated packer
10/06/2005US20050217859 Method for pumping fluids
10/06/2005US20050217857 Subsea pumping module system and installation method
10/06/2005US20050217854 Pressure-actuated perforation with automatic fluid circulation for immediate production and removal of debris
10/06/2005US20050217853 Pressure-actuated perforation with continuous removal of debris
10/06/2005US20050217851 Method for stimulation of liquid flow in a well
10/06/2005US20050217847 One trip completion system
10/06/2005US20050217843 Pumping system for oil wells
10/06/2005US20050217842 Well perforating gun
10/06/2005US20050217489 Device for the separation of the gas phase from a mixture of fluid/gas for use in hydrocarbons producing and injection wells
10/06/2005US20050217350 Systems and methods for controlling flow control devices
10/06/2005DE102004026234B3 Hole drilling system forming enlarged chamber at bottom of hole in ground for concrete pile has tube with boring crown at bottom end and fixed and swinging side arms for enlarging bore
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