| 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) |
|---|
| 01/15/2014 | CN203394459U Skid mounting device for pumping units |
| 01/15/2014 | CN203394458U Integral well group supercharging integrated device |
| 01/15/2014 | CN203394457U Embedded bumper |
| 01/15/2014 | CN203394456U Device for being operated on pumping unit by utilizing wind energy cooperated with electric energy |
| 01/15/2014 | CN203394455U Novel crank locking piece for pumping unit |
| 01/15/2014 | CN203394454U Slide-way type flexible positive torque pumping unit |
| 01/15/2014 | CN203394453U Anti-dropout intelligent protector of oil pumping unit |
| 01/15/2014 | CN203394452U Continuous auxiliary gas lift drainage gas recovery compressor |
| 01/15/2014 | CN203394451U Leak-sealing water-blocking oil extraction tubular column for heavy oil horizontal well |
| 01/15/2014 | CN203394450U High-pressure throwing-in and pulling eccentric gas lift working barrel |
| 01/15/2014 | CN203394449U Water-finding tubular column for monitoring level-section production flow and water content at vertical well section of horizontal well |
| 01/15/2014 | CN203394448U Device for recycling mechanical seal leakage sump oil into system for thick oil transportation centrifugal pump |
| 01/15/2014 | CN203394447U Device for recycling oil well dirty oil into system |
| 01/15/2014 | CN203394446U Load discharger of oil pumping unit |
| 01/15/2014 | CN203394445U Novel deep-pumping pump |
| 01/15/2014 | CN203394444U Fireflood-assisted gravity drainage injection and production technology system |
| 01/15/2014 | CN203394427U Takable intubation tube water injection bridge plug |
| 01/15/2014 | CN203394423U Lead sealing packer |
| 01/15/2014 | CN203394375U Positioning centralizer for well polish rod of pumping unit |
| 01/15/2014 | CN203394362U Cased hole completion multi-section pressing crack horizontal well mechanical water finding pipe column |
| 01/15/2014 | CN103518032A Functionally gradient composite article |
| 01/15/2014 | CN103512608A Horizontal well steam drive three-dimensional physical model adjustable pressure maintaining device and method |
| 01/15/2014 | CN103511651A Multistage grinding wheel type regulating valve |
| 01/15/2014 | CN103510979A Dry ice explosion and air-permeability-enhancing device and method for drawing out gas by using same |
| 01/15/2014 | CN103510945A Multifunctional downhole intelligent actuator under control of superlong wave and pressure wave encoding |
| 01/15/2014 | CN103510942A Direct-reading water injection flow measuring and adjusting instrument |
| 01/15/2014 | CN103510937A Gas-water separator for air compressor pumping test |
| 01/15/2014 | CN103510936A Double-ejector type three-phase jet flow slotting system and method |
| 01/15/2014 | CN103510935A Gas generating device |
| 01/15/2014 | CN103510934A Method and system for exploiting land combustible ice |
| 01/15/2014 | CN103510933A Quantitative evaluation method of imbibition and oil production effects of imbibition agent |
| 01/15/2014 | CN103510932A Chemical cold-production method applicable to medium-deep low-permeability heavy oil reservoir |
| 01/15/2014 | CN103510931A Method for simulating vertical well steam driving |
| 01/15/2014 | CN103510930A Sealing-type water injection pump |
| 01/15/2014 | CN103510929A Huffing-puffing water-reduction and oil-increasing process of rocket power compound heat carrier |
| 01/15/2014 | CN103510928A Layered oil exploitation device |
| 01/15/2014 | CN103510927A Horizontal sleeve type connector for deep water manifold |
| 01/15/2014 | CN103510926A Method and system for exploiting seabed flammable ice |
| 01/15/2014 | CN103510925A Oil bailing vehicle |
| 01/15/2014 | CN103510924A Swabbing machine |
| 01/15/2014 | CN103510923A Magnetic suspension machine-pump integrated underground oil extraction device |
| 01/15/2014 | CN103510922A Injection-production distribution measuring structure for gas storage |
| 01/15/2014 | CN103510921A Phase-flow hollow draining device |
| 01/15/2014 | CN103510920A Hydraulic energy-storage oil pumping unit |
| 01/15/2014 | CN103510919A Special adjusting device for crank balance weight of beam-pumping unit |
| 01/15/2014 | CN103510918A Multi-well linkage phase equilibrium type pumping unit |
| 01/15/2014 | CN103510917A Pumping unit automatic control method and system based on on-line dynamic liquid level monitoring |
| 01/15/2014 | CN103510912A Sliding sleeve assembly, device and system comprising sliding sleeve assemblies, and using method of system |
| 01/15/2014 | CN103510906A Adjustable variable-differential-pressure constant-flow blanking plug |
| 01/15/2014 | CN103510896A Installing tool for horizontal sleeve type connector for deep water manifold |
| 01/15/2014 | CN103509544A Foamed acid, its preparation and use methods |
| 01/15/2014 | CN102352747B Pressure control injection yield increase method for coalbed methane well |
| 01/15/2014 | CN102337862B Variable-diameter fracturing valve |
| 01/15/2014 | CN102305057B Layered steam injection simulation test system and working method thereof |
| 01/15/2014 | CN102287170B Variable-burning-rate synergistic perforating propellant |
| 01/15/2014 | CN102102505B Steam injection method for improving dryness of underground steam |
| 01/15/2014 | CN102041987B Method for water control and oil production increasing acidification of oil well at water content increasing stage of low-pressure heterogeneous reservoir |
| 01/15/2014 | CN101903617B Subterannean water production, transfer and injection method and apparatus |
| 01/15/2014 | CN101876239B Pumping unit system and power saving control method thereof |
| 01/14/2014 | US8627892 Plunger for performing artificial lift of well fluids |
| 01/14/2014 | US8627889 Drilling and fracturing fluid |
| 01/14/2014 | US8627887 In situ recovery from a hydrocarbon containing formation |
| 01/14/2014 | US8627886 Systems and methods for low emission hydrocarbon recovery |
| 01/14/2014 | CA2816023C Twinaxial linear induction antenna array for increased heavy oil recovery |
| 01/14/2014 | CA2753785C In situ loop antenna arrays for subsurface hydrocarbon heating |
| 01/14/2014 | CA2748560C Water treatment method for heavy oil production |
| 01/13/2014 | CA2821099A1 Production process for a geological reservoir based on a stock reservoir by calculating an analytical conditional distribution law of uncertain parameters of the model |
| 01/13/2014 | CA2820296A1 Radio frequency hydrocarbon resource upgrading apparatus including parallel paths and related methods |
| 01/13/2014 | CA2819654A1 Method of upgrading and recovering a hydrocarbon resource for pipeline transport and related system |
| 01/13/2014 | CA2819645A1 Method for recovering a hydrocarbon resource from a subterranean formation including additional upgrading at the wellhead and related apparatus |
| 01/10/2014 | DE202013010650U1 Kombianlage aus schwimmfähigen Einheiten mit Förderanlage, Kraftanlage und Luftzerlegungsanlage Combined system of floating units with conveyor, power plant and air separation plant |
| 01/09/2014 | WO2014008514A2 Shaped-charge well stimulation for increasing access to liquid in an underground reservoir |
| 01/09/2014 | WO2014008328A1 Resettable selective locking device |
| 01/09/2014 | WO2014008325A1 Bentonite collars for wellbore casings |
| 01/09/2014 | WO2014008193A1 Enhanced wellbore strengthening solution |
| 01/09/2014 | WO2014008191A1 Enhanced acid soluble wellbore strengthening solution |
| 01/09/2014 | WO2014008190A1 Acid soluble defluidizing pills |
| 01/09/2014 | WO2014008112A1 Fluid filters |
| 01/09/2014 | WO2014007940A1 System and method for powering a hydraulic pump |
| 01/09/2014 | WO2014007809A1 Method of intersecting a first well bore by a second well bore |
| 01/09/2014 | WO2014007645A1 Monitoring of multilayer reservoirs |
| 01/09/2014 | WO2014006385A2 Split seat shear valve |
| 01/09/2014 | WO2014006374A2 A tubular connection |
| 01/09/2014 | WO2014006373A2 A tubular connection |
| 01/09/2014 | WO2014006372A2 Apparatus and method for use in slim hole wells |
| 01/09/2014 | WO2014006169A1 A system and a method of recovering and processing a hydrocarbon mixture from a subterranean formation |
| 01/09/2014 | WO2014006166A1 A method and a system of recovering and processing a hydrocarbon mixture from a subterranean formation |
| 01/09/2014 | WO2014006165A2 Method |
| 01/09/2014 | WO2014005785A1 Multiphase flow mixing apparatus and method of mixing |
| 01/09/2014 | WO2014005420A1 Combined string for straddle test and bit perforation |
| 01/09/2014 | WO2014005393A1 Testing and adjusting linkage system and operational process therefor |
| 01/09/2014 | WO2014005230A1 Wellbore screen |
| 01/09/2014 | WO2014005207A1 Methods for increasing methanogenesis in subsurface reservoirs |
| 01/09/2014 | WO2013155307A3 Method of increasing the permeability of a subterranean formation by creating a multiple fracture network |
| 01/09/2014 | WO2013082582A3 Apparatus and method for dispensing chemicals into a well |
| 01/09/2014 | WO2012174600A8 A flushing tool and method of flushing perforated tubing |
| 01/09/2014 | WO2012140445A3 Subsea wellbore construction method and apparatus |
| 01/09/2014 | US20140008271 Hydrocarbons recovery |
| 01/09/2014 | US20140008083 Remote Operation of Setting Tools for Liner Hangers |
| 01/09/2014 | US20140008080 Low Equivalent Circulation Density Setting Tool |