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)
06/2014
06/18/2014CN103867172A Injection-production system and injection-production method
06/18/2014CN103867171A Production pipe string of electric submersible pump for offshore heavy oil thermal recovery
06/18/2014CN103867170A Low-yield low-pressure gas well self-production gas foam liquid discharging method
06/18/2014CN103867169A Method for applying gas-soluble surfactant to fluidity control of carbon dioxide oil displacement
06/18/2014CN103867168A Multi-branch small horizontal well oil production method
06/18/2014CN103867167A Downhole fixed bypass restrictor
06/18/2014CN103867166A Device and method for supercritical carbon dioxide high-pressure jet flow plug removal seepage enhancement
06/18/2014CN103867165A Device and method for safely and efficiently exploiting ocean natural gas hydrate through depressurizing decomposition
06/18/2014CN103867164A Long-stroke pumping unit
06/18/2014CN103867163A Pressure balance motor reversing oil pumping unit
06/18/2014CN103867162A Thermal production well annulus thermal insulation system and method
06/18/2014CN103867152A Manifold system for oil field and fracturing equipment group
06/18/2014CN103867147A Parallel-tube snubbing pulverized coal discharging system for coal-bed gas well
06/18/2014CN103867119A Coal reservoir well completion renovation method
06/18/2014CN103865513A Surfactant self-absorption composite shale hydraulic fracturing fluid as well as preparation method and application thereof
06/18/2014CN103865510A Thermal-recovery injection well gel single-liquid modifying and flooding agent and modifying and flooding method thereof
06/18/2014CN103865509A Long-acting mixed fluorocarbon surfactant treating agent for improving condensate gas reservoir recovery efficiency and application of mixed fluorocarbon surfactant treating agent
06/18/2014CN103865504A Gel double-solution plugging regulating agent of steam injection well for thermal recovery and plugging regulating method using gel double-solution plugging regulating agent
06/18/2014CN103865503A Novel high-temperature resistant inorganic particle-gel compound double-liquid blocking agent and blocking method thereof
06/18/2014CN103321615B Method for preparing water-soluble sylvite from deep polyhalite in in-situ reaction mode
06/18/2014CN103233709B Super heavy oil deposit exploiting carbon capture, utilization and storage (CCUS) system and method based on CO2 assisted steam assisted gravity drainage (SAGD)
06/18/2014CN102942282B Preparation method of water used for oilfield flooding, water flooding and water gathering
06/18/2014CN102775503B Preparation method of high-salt resistance high-viscosity sodium carboxymethylcellulose
06/18/2014CN102644476B Method for pumping gas of protected layer by layer penetration and hole drilling on high-position drilling fields of protecting layer machinery tunnel
06/18/2014CN102606120B Steam flooding injection and production scheme determining method based on stochastic disturbance particle swarm optimization
06/18/2014CN102606110B Composite sliding sleeve, fracturing device and method for increasing well fracturing layer section
06/18/2014CN102400668B Viscosity reduction method for thick oil mineshaft and determination method applicable to thick oil blending ratio
06/18/2014CN102251761B Dynamic balance beam pumping unit and using method thereof
06/18/2014CN102137984B Sand control screen assembly and method for use of same
06/18/2014CN102031948B Wheel type pumping unit of guide stroke extender
06/18/2014CN101680293B A process for producing hydrocarbon fluids combining in situ heating, a power plant and a gas plant
06/17/2014US8753517 Method and apparatus for removing metallic matter from an oil well circulating completion fluid stream
06/17/2014US8753507 Artificial oil lifting unit using absorbent belts
06/17/2014US8752904 Heated fluid flow in mines and tunnels used in heating subsurface hydrocarbon containing formations
06/17/2014US8752651 Downhole hydraulic jetting assembly, and method for stimulating a production wellbore
06/17/2014US8752627 System and method for low damage fracturing
06/17/2014US8752626 Compositions and methods for treatment of well bore tar
06/17/2014US8752625 Method of gravel packing multiple zones with isolation
06/17/2014US8752624 Aqueous formulations of hydrophobically associating copolymers and surfactants and use thereof for mineral oil production
06/17/2014US8752623 Solvent separation in a solvent-dominated recovery process
06/17/2014US8752621 System and method for well control
06/17/2014CA2828259C Magnetic installation and retrieval tool for fluid lift plungers
06/17/2014CA2715906C Downhole multi-parallel hydrocyclone separator
06/17/2014CA2713751C Device, computer program product and computer-implemented method for backspin detection in an electrical submersible pump assembly
06/17/2014CA2710728C Systems and methods for automatic forward phasing determination in a downhole pump system
06/17/2014CA2710079C Esp for perforated sumps in horizontal well applications
06/17/2014CA2673051C Linear motor to control hydraulic force
06/17/2014CA2659715C Method and system for treating a subterraean formation using diversion
06/14/2014CA2836712A1 Geographic layout of petroleum drilling data and methods for processing data
06/14/2014CA2836221A1 Surfactant system as a self-diverted acid for well stimulation
06/14/2014CA2836180A1 Steam assisted gravity drainage with added oxygen ("sagdox") in deep reservoirs
06/14/2014CA2833068A1 Bottom-up solvent-aided process and system for hydrocarbon recovery
06/14/2014CA2798861A1 Simultaneous injection of an acidic well treatment fluid and a proppant into a subterranean formation
06/12/2014WO2014089490A1 Drilling parallel wells for sagd and relief
06/12/2014WO2014089332A1 Chemical deepwater stimulation systems and methods
06/12/2014WO2014089194A1 Perforating gun with integrated initiator
06/12/2014WO2014089147A1 Methods for increasing subterranean formation permeability
06/12/2014WO2014088901A1 Magnet wire with shielded high temperature perfluoropolymer insulation
06/12/2014WO2014088868A1 Screen filter
06/12/2014WO2014088826A1 Water treatment process
06/12/2014WO2014088812A1 Dual-pump formation fracturing
06/12/2014WO2014088775A1 Encapsulated explosive pellet
06/12/2014WO2014088731A1 Stimulating production from oil wells using an rf dipole antenna
06/12/2014WO2014088701A2 Stabilized fluids in well treatment
06/12/2014WO2014088679A1 An oil or gas treatment fluid containing a chelate or coordination complex that sets
06/12/2014WO2014088594A1 Gravel packing apparatus having locking jumper tubes
06/12/2014WO2014088545A1 Extendable orienting tool for use in wells
06/12/2014WO2014088450A1 Multiphase flare for effluent flow
06/12/2014WO2014088440A1 A method for applying physical fields of an apparatus in the horizontal end of an inclined well to productive hydrocarbon beds
06/12/2014WO2014088419A1 Tube connector for detachably connecting two connector parts for gas-tight connecting of riser tubes to vessels
06/12/2014WO2014087371A1 Control of managed pressure drilling
06/12/2014WO2014086969A2 Electrical device for well stimulation
06/12/2014WO2014086962A2 Downhole setting tool
06/12/2014WO2014086594A1 Arrangement and method for introducing heat into a geological formation by means of electromagnetic induction
06/12/2014WO2014086068A1 Fracturing method of online continuous preparation based on liquid polymer
06/12/2014WO2014085855A1 Oxidant injection method for underground coal gasification
06/12/2014WO2013116166A3 Hydrocarbon resource heating apparatus including upper and lower wellbore rf radiators and related methods
06/12/2014US20140162336 Microorganism mediated liquid fuels
06/12/2014US20140158876 Methods for Analyzing Substances Containing One or More Organosulfur Compounds Using an Integrated Computational Element
06/12/2014US20140158378 Expandable tubular and method of making same
06/12/2014US20140158373 Gravel Packing Apparatus Having Locking Jumper Tubes
06/12/2014US20140158371 Disconnecting tool
06/12/2014US20140158364 Separator and Method of Separation
06/12/2014US20140158361 Pressure controlled multi-shift frac sleeve system
06/12/2014US20140158360 Drag reducing agents for oil- and synthetic-based fluids
06/12/2014US20140158359 Methods for Increasing Subterranean Formation Permeability
06/12/2014US20140158358 Methods and Systems of Down-Hole Reagent Processing and Deployment
06/12/2014US20140158357 Nozzle selective perforating jet assembly
06/12/2014US20140158356 Encapsulated explosive pellet
06/12/2014US20140158355 Crosslinked synthetic polymer gel systems for hydraulic fracturing
06/12/2014US20140158353 In-situ method and system for removing heavy metals from produced fluids
06/12/2014US20140158352 Three-phase separation downhole
06/12/2014US20140158349 Method and apparatus for control of a plunger lift system
06/12/2014US20140158347 Methods and apparatus for sensing in wellbores
06/12/2014US20140158345 Dual-pump formation fracturing
06/12/2014US20140158344 Down-Hole Sand and Solids Separator Utilized in Producing Hydrocarbons
06/12/2014US20140158343 Downhole gas separator and method
06/12/2014US20140158295 Erosion Resistant Wellbore Screen and Associated Methods of Manufacture
06/11/2014EP2740894A1 Assembly and method for inserting heat into a geological formation by electromagnetic induction
06/11/2014EP2740888A1 Downhole setting tool
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