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)
11/2013
11/19/2013CA2708007C Tractor communication/control and select fire perforating switch simulations
11/19/2013CA2603960C Method of recycling fracturing fluids using a self-degrading foaming composition
11/19/2013CA2526714C Apparatus and method for recovering fluids from a well and/or injecting fluids into a well
11/18/2013CA2816013A1 Fracturing fluid deflecting and screening insert
11/17/2013CA2816061A1 Pumpable seat assembly and use for well completion
11/17/2013CA2777449A1 Liquefied industrial gas based solution in hydraulic fracturing
11/15/2013CA2815737A1 Sagdox geometry for impaired bitumen reservoirs
11/14/2013WO2013169254A1 Dehydrator screen for downhole gravel packing
11/14/2013WO2013169242A1 Enhanced geothermal systems and methods
11/14/2013WO2013169103A1 Fracturing fluid for secondary gas production
11/14/2013WO2013168189A1 Drilling system for the excavation of a well and/or for the realisation in the underground of one or more slots to be used as radiant surfaces for the exploitation of the geothermal energy
11/14/2013WO2013168077A1 Carboxylic acid salt removal during hydrate inhibitor recovery
11/14/2013WO2013167521A1 Method and system for sealing an annulus enclosing a tubular element
11/14/2013WO2013167520A1 Method and system for sealing an annulus enclosing a tubular element
11/14/2013WO2013166587A1 Steam anti-coning/cresting technology ( sact) remediation process
11/14/2013WO2013166586A1 Satellite steam-assisted gravity drainage with oxygen (sagdox) system for remote recovery of hydrocarbons
11/14/2013WO2013166550A1 Inline non-targeted component removal
11/14/2013WO2013131165A8 Magnetic installation and retrieval tool for fluid lift plungers
11/14/2013WO2013092097A3 Device and method for processing a mixture of gas, oil, and water
11/14/2013WO2012160469A3 Linear pressure reducer for regulating injection pressure in an enhanced oil recovery system
11/14/2013US20130302193 Well-drilling sucker-rod pump
11/14/2013US20130300569 Apparatus and Methods for Controlling and Communicating with Downhole Devices
11/14/2013US20130299199 Seat assembly with counter for isolating fracture zones in a well
11/14/2013US20130299197 Adjustable cone expansion systems and methods
11/14/2013US20130299194 Shaped charge tubing cutter
11/14/2013US20130299193 Positive retention lock ring for tubing hanger
11/14/2013US20130299185 Disintegrable metal cone, process of making, and use of the same
11/14/2013US20130299182 Rigless Low Volume Pump System
11/14/2013US20130299181 Rigless Low Volume Pump System
11/14/2013US20130299180 Systems and Methods For Managing Pressures In Casing
11/14/2013US20130299174 Method and system for fracking and completing wells
11/14/2013US20130299173 Downhole assembly with debris relief, and method for using same
11/14/2013US20130299168 Zero-leakoff gel
11/14/2013US20130299167 Hybrid lpg frac
11/14/2013US20130299164 Systems and Methods For Advanced Well Access to Subterranean Formations
11/14/2013US20130299159 Inert gas supply equipment for oil and gas well operations
11/14/2013DE10261079B4 Tauchpumpvorrichtung, magnetische Kopplung hierfür und Verfahren zum Pumpen Immersion pump device, magnetic coupling therefor and method of pumping
11/14/2013CA2816025A1 Hybrid lpg frac
11/14/2013CA2776974A1 Inert gas supply equipment for oil and gas well operations
11/14/2013CA2776704A1 Modified steam and gas push with additional horizontal production wells to enhance heavy oil/bitumen recovery process
11/13/2013EP2662124A1 Separation apparatus for tubular throughflow apparatuses
11/13/2013EP2661537A1 Fracture detection via self-potential methods with an electrically reactive proppant
11/13/2013EP2661532A1 Well tool with shearable collet
11/13/2013EP2661481A1 Gas stream production
11/13/2013CN203287783U Adjustment control device for balance vernier of oil pumping unit
11/13/2013CN203286542U Superheated steam generating system
11/13/2013CN203286213U Pumping unit supporting frame
11/13/2013CN203285912U Balance adjusting device of pylon type single-well or double-well pumping unit
11/13/2013CN203285910U Weight box adjustable cam
11/13/2013CN203285883U Pumping unit external embracing type dual active brake
11/13/2013CN203285416U Downhole oil-water separation device of double electric submersible pump
11/13/2013CN203285415U Y-shaped different-diameter two-channel high pressure acidizing and fracturing well head device
11/13/2013CN203285414U Large-diameter wellhead applicable to coiled tubing fracturing
11/13/2013CN203285413U Rolling type electric ignition and monitoring system for combustion of oil in situ
11/13/2013CN203285412U Oil shale underground in-situ heating simulation cavity
11/13/2013CN203285411U Reversed steam injection device
11/13/2013CN203285410U Steam injection technique pipe capable of improving thickened oil horizontal well horizontal section utilization degree
11/13/2013CN203285409U Unattended polymer-injection station and injection-allocation station control system of oil field
11/13/2013CN203285408U High pressure layered water injection tubular column
11/13/2013CN203285407U Mixing device
11/13/2013CN203285406U Hydraulic control type by-layer oil production tubular column
11/13/2013CN203285405U Multistage composite deep penetration perforation device
11/13/2013CN203285404U Pumping device for PE screen pipe well completion of coal bed gas horizontal well
11/13/2013CN203285403U Beam-pumping unit tail walking beam with stored solar energy as power
11/13/2013CN203285402U Automatic balance adjustment device of beam-pumping unit
11/13/2013CN203285401U Tail beam for automatic balance adjusting beam-pumping unit
11/13/2013CN203285400U Weight box anti-shaking device of pylon type pumping unit
11/13/2013CN203285399U Pylon type single-well adjustable-supporting-arm pumping unit
11/13/2013CN203285398U Tower type single-shaft or dual-shaft pumping unit capable of adjusting supporting arm and balance
11/13/2013CN203285397U Pylon type double-well adjustable-supporting-arm pumping unit
11/13/2013CN203285396U Buffer belt for beam-pumping unit
11/13/2013CN203285395U Novel vertical long-stroke intelligent oil pumping unit
11/13/2013CN203285394U Hanging type upper-balance-weight barrel oil pump
11/13/2013CN203285392U Multifunctional heavy oil well heating device
11/13/2013CN203285376U Well opening ball catching device
11/13/2013CN203285372U Device for grabbing and putting multiple water nozzles underground
11/13/2013CN103392054A Method and systems of determining viable hydraulic fracture scenarios
11/13/2013CN103392050A Downhole tools
11/13/2013CN103388816A Oil field steam-injection boiler overheated steam injection system
11/13/2013CN103388469A Filling tool
11/13/2013CN103388466A Concentric pipe hydraulic jet coal dust washing downhole device
11/13/2013CN103388465A Downhole device using hydraulic jets of parallel tubes to flush pulverized coal
11/13/2013CN103387823A Shear-thickening water-blocking profile control agent, preparation method thereof and application thereof in an oil field
11/13/2013CN102733786B Sliding sleeve for mining oil-gas well in layering manner
11/13/2013CN102690642B Ternary complex composition for flooding, suitable for high-temperature and high-salinity reservoir, and application thereof
11/13/2013CN102536177B Positive-pressure blasting device
11/13/2013CN102226390B Testing device for deep wells and high-temperature and high-pressure wells
11/13/2013CN102137983B Sand control screen assembly and method for use of same
11/13/2013CN101975030B Heat-preserving and buoyancy-supplying dual-purpose device for deep water top tensioning marine riser
11/13/2013CN101238272B Apparatus and methods for creation of down hole annular barrier
11/12/2013US8579035 Method for recovering oil from an oil well
11/12/2013US8579031 Thermal processes for subsurface formations
11/12/2013US8579030 Triggered polymer viscous pill and methods of using the same
11/12/2013US8579029 System, method and treatment fluid for controlling fines migration
11/12/2013US8579028 Tackifying agent pre-coated particulates
11/12/2013US8579025 Control screen assembly
11/12/2013US8579022 Apparatus for deploying and activating a downhole tool
11/12/2013US8578608 Manufacturing of sand screens
11/12/2013CA2819707C A method for accelerating start-up for steam-assisted gravity drainage (sagd) operations
11/12/2013CA2741786C Sand control screen assembly having control line capture capability
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