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)
03/2012
03/08/2012CA2806174A1 Olefin reduction for in situ pyrolysis oil generation
03/08/2012CA2751810A1 System and method for hydrocarbon production
03/08/2012CA2714318A1 Control logic method and system for optimizing natural gas production
03/07/2012EP2426311A2 Method and assembly for recovering oil using elastic vibration energy
03/07/2012EP2425095A2 Subsea system
03/07/2012CN202158154U 抽油机专用平移调整紧带装置 Pumping dedicated translation adjustment belt tightening device
03/07/2012CN202157878U Liquid nitrogen evaporation system utilizing hydraulic brake
03/07/2012CN202157794U 一种球座式压裂滑套 One kind of formula fracturing sleeve tee
03/07/2012CN202157793U 压裂酸化用水力喷射管柱 Fracturing and acidizing force jet of water column
03/07/2012CN202157792U 油井用井下配产器 Well equipped with underground production unit
03/07/2012CN202157791U 抽油机减速箱作业平台 Pumping gear box work platform
03/07/2012CN202157790U 不压井作业抽油装置 Snubbing Oil Rig
03/07/2012CN202157789U 螺杆泵专用双流压分采器 Special double screw press selective mining unit
03/07/2012CN202157788U 游梁抽油机支架和平台 Beam pumping unit holder and platforms
03/07/2012CN202157787U 抽油机节能装置 Pumping energy-saving devices
03/07/2012CN202157779U 一种具有桥式孔通道的双层集成分注封隔器 Having a double integration of the cell passages of bridge dispensing packer
03/07/2012CN202157777U 液压座封的井口保护器 Hydraulic seat seal wellhead protection
03/07/2012CN102369339A Carbon sequestration in depleted oil shale deposits
03/07/2012CN102369338A Well screen with drainage assembly
03/07/2012CN102369259A Constant specific gravity heat minimization
03/07/2012CN102367730A Heavy oil multiphase thermal huff and puff oil recovery method
03/07/2012CN101671553B Self-gas-production solid-foam liquor drainage ball of watered gas well
03/07/2012CN101629073B Preparation method of stable oil displacement agent for clay and application thereof
03/07/2012CN101555404B Environment-friendly low-damage solidfree well control fluid and applications thereof
03/07/2012CN101403288B Prying supercharging integration method
03/07/2012CN101328798B Method for extracting thick oil
03/07/2012CN101153267B Microorganism powder preparation for oil production and method of use thereof
03/06/2012US8127867 Method and system for surface filtering of solids from return fluids in well operations
03/06/2012US8127855 Artificial lift system for stripper and marginal wells
03/06/2012US8127850 Method of treating subterranean formations using sequential proppant stages
03/06/2012US8127849 Method of using lightweight polyamides in hydraulic fracturing and sand control operations
03/06/2012US8127848 Selectively angled perforating
03/06/2012US8127847 Multi-position valves for fracturing and sand control and associated completion methods
03/06/2012US8127845 Methods and systems for completing multi-zone openhole formations
03/06/2012US8127843 Solidification of residuals from water treatment systems in heavy oil recovery operations
03/06/2012US8127842 Bitumen production method
03/06/2012US8127840 Conductive heating by encapsulated strontium source (CHESS)
03/06/2012US8127839 Formation pretreatment with biogenic methane production enhancement systems
03/06/2012US8127835 Integrated cable hanger pick-up system
03/06/2012US8127831 Wellbore method and apparatus for sand and inflow control during well operations
03/06/2012US8127654 Perforating guns with reduced internal volume
03/06/2012CA2675675C Gas lift valve assembly
03/06/2012CA2435221C Method and system for enhanced access to a subterranean zone
03/03/2012CA2751597A1 Process for optimizing the position of a well in an oil pool
03/01/2012WO2012027699A1 Upgoing drainholes for reducing liquid-loading in gas wells
03/01/2012WO2012027671A1 A method and apparatus for removing liquid from a gas producing well
03/01/2012WO2012027283A1 Sand control well completion method and apparutus
03/01/2012WO2012027198A1 Sonic enhanced oil recovery system and method
03/01/2012WO2012027157A1 Variable flow restrictor for use in a subterranean well
03/01/2012WO2012027015A1 Plug counter, fracing system and method
03/01/2012WO2012026837A1 Method for preheating an oil-saturated formation
03/01/2012WO2012026827A1 Water treatment installation, method and use for removal, under water, of at least one undesirable component from water
03/01/2012WO2012025879A2 Offshore structure
03/01/2012WO2012025805A2 Delivery of particulate material below ground
03/01/2012WO2012025799A2 Delivery of particulate material below ground
03/01/2012WO2012025432A1 Pump or compressor having a cooled electric motor and coolant pump driven by means of a magnetic coupling
03/01/2012WO2012025150A1 Method and apparatus for thermally treating an oil reservoir
03/01/2012WO2012024773A1 Apparatus and method for fracturing a well
03/01/2012WO2012024765A1 Vapour recovery unit for steam assisted gravity drainage (sagd) system
03/01/2012WO2012024764A1 A contaminant control system in an evaporative water treating system
03/01/2012WO2012024763A1 An improved water recovery system sagd system utilizing a flash drum
03/01/2012WO2012011995A9 Spark gap isolated, rf safe, primary explosive detonator for downhole applications
03/01/2012WO2012004601A3 Underwater oil and gas collection system
03/01/2012WO2012001558A3 High solids content slurries and methods
03/01/2012WO2012001406A3 A method of installing a buoy and apparatus for tensioning a buoy to an anchoring location
03/01/2012WO2011163491A3 Apparatus and method for remote actuation of a downhole assembly
03/01/2012WO2011159398A3 Method for improving the clean-up of emulsified acid fluid systems
03/01/2012WO2011154919A3 A drill, related drilling arrangement and/or methods therefor
03/01/2012WO2011146185A3 Increasing the viscosity of viscoelastic fluids
03/01/2012WO2011115951A3 Pump assembly employing centrifugal pumps and method for pumping multiphase fluids
03/01/2012WO2011098328A3 Improvements in hydrocarbon recovery
03/01/2012WO2011095547A3 Solvent and gas injection recovery process
03/01/2012WO2011095542A3 Solvent injection recovery process
03/01/2012WO2011064540A3 Probabilistic simulation of subterranean fracture propagation
03/01/2012WO2011019958A3 System and method for a direct drive pump
03/01/2012US20120048571 Remotely-Controlled Downhole Device and Method for Using Same
03/01/2012US20120048569 Downhole Draw-Down Pump and Method
03/01/2012US20120048568 Upgoing drainholes for reducing liquid-loading in gas wells
03/01/2012US20120048559 Methods for completing multi-zone production wells using sliding sleeve valve assembly
03/01/2012US20120048558 Apparatus and Method for Estimating Formation Properties Using Nanoexplosive Elements
03/01/2012US20120048557 Delivery of particulate material below ground
03/01/2012US20120048556 Plug counter, fracing system and method
03/01/2012US20120048555 Delivery of particulate material below ground
03/01/2012US20120048554 Delivery of particulate material below ground
03/01/2012US20120048548 Use of Nano-Sized Phyllosilicate Minerals in Viscoelastic Surfactant Fluids
03/01/2012US20120048547 Method of gravel packing
03/01/2012US20120048546 Method for extracting hydrocarbons from a tank and hydrocarbon extraction facility
03/01/2012US20120048545 Olefin Reduction For In Situ Pyrolysis Oil Generation
03/01/2012US20120048544 Wellbore Mechanical Integrity For In Situ Pyrolysis
03/01/2012US20120048543 Method and Apparatus for Removing Liquid from a Gas Producing Well
03/01/2012US20120048538 Apparatus and methods for providing information about one or more subterranean variables
03/01/2012US20120048534 Independent guide string hanger
03/01/2012US20120048118 Portable oil-water separator apparatus
03/01/2012DE102010035454A1 Device for controlling petroleum discharges at ocean bed, has outlet valve that reduces pressure under plate at outlet point, and inlet valve including connection pieces for lines for pumping liquid concrete or other materials
03/01/2012DE102010035260A1 Transporting and storing hydrogen, comprises introducing hydrogen into natural gas, transporting and/or storing the introduced hydrogen with natural gas as a gas mixture, and determining the hydrogen content of the gas mixture
03/01/2012CA2872198A1 Plug counter, fracing system and method
03/01/2012CA2809431A1 Delivery of particulate material below ground
03/01/2012CA2809408A1 Delivery of particulate material below ground
03/01/2012CA2809258A1 A method and apparatus for removing liquid from a gas producing well
03/01/2012CA2809205A1 Apparatus and method for fracturing a well
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