| 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) |
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| 07/03/2013 | CN103189597A Crimped end wrapped on pipe well screen |
| 07/03/2013 | CN103189596A Upgoing drainholes for reducing liquid-loading in gas wells |
| 07/03/2013 | CN103189595A Method and apparatus to remove deposits |
| 07/03/2013 | CN103189594A Hydrate deposit inhibition with surface-chemical combination |
| 07/03/2013 | CN103189592A Downhole multiple well |
| 07/03/2013 | CN103189128A Process for recovery of processing liquids |
| 07/03/2013 | CN103184867A Jet packer ground simulation method applicable to multilevel hydraulic jet fracturing |
| 07/03/2013 | CN103184865A Variable-temperature-field displacement simulator for multi-thermal fluid |
| 07/03/2013 | CN103184861A Crude oil sand content analysis device |
| 07/03/2013 | CN103184860A Production process of thickened oil doped with hot water |
| 07/03/2013 | CN103184859A Device and method for exploitation for single-well injection-production |
| 07/03/2013 | CN103184858A 限位装置 Limit device |
| 07/03/2013 | CN103184857A Anti-dropping device for high-pressure jet hose |
| 07/03/2013 | CN103184856A Hydraulic jet packer applicable to multilevel hydraulic jet fracturing |
| 07/03/2013 | CN103184855A Sleeve pulling and withdrawing mechanism and method |
| 07/03/2013 | CN103184854A Self-balancing digital pumping unit and working method |
| 07/03/2013 | CN103184853A Process for prolonging production period of coal bed gas water drainage and gas production well |
| 07/03/2013 | CN102182438B Layered fracturing technology for variable-length graded sliding sleeve |
| 07/03/2013 | CN102155193B A well screen |
| 07/03/2013 | CN102144074B Methods for downhole sequestration of carbon dioxide |
| 07/03/2013 | CN102071922B Low permeable oil deposit virtual horizontal well development method |
| 07/03/2013 | CN102031949B Gas lift method of combined ball plug for drainage and gas production of oil and gas well |
| 07/03/2013 | CN102020984B In-fissure diversion fracturing temporary blocking agent for low-permeability oilfield, and preparation method and application thereof |
| 07/03/2013 | CN101975052B Dualistic superposed wave reinforced oil displacing experiment device and experiment method |
| 07/03/2013 | CN101949277B Oil extraction method of weight adding under pump and oil well pump with weight adding under pump |
| 07/03/2013 | CN101892824B Combined multi-stage pressure control method and device |
| 07/03/2013 | CN101858330B Drainage gas production plunger in gas well |
| 07/03/2013 | CN101802347B Method for managing hydrates in subsea production line |
| 07/03/2013 | CN101512100B Method and system for pore pressure prediction |
| 07/03/2013 | CN101424178B Crank block type pumping unit |
| 07/03/2013 | CA2806782A1 Compositions, systems and methods for releasing additive components |
| 07/02/2013 | US8475585 Stable foamed cement slurry compositions and methods for making and using same |
| 07/02/2013 | US8475147 Gas/fluid inhibitor tube system |
| 07/02/2013 | US8474531 Steam-gas-solvent (SGS) process for recovery of heavy crude oil and bitumen |
| 07/02/2013 | US8474528 Slurry bypass system for improved gravel packing |
| 07/02/2013 | US8474526 Screen and method having a partial screen wrap |
| 07/02/2013 | US8474520 Wellbore drilled and equipped for in-well rigless intervention ESP |
| 07/02/2013 | CA2776519C Subterranean treatment fluids, friction reducing copolymers, and associated methods |
| 07/02/2013 | CA2646563C Tubing anchor |
| 07/02/2013 | CA2624791C A process for consolidating a formation |
| 07/02/2013 | CA2609769C Process to reduce the hydrogen sulphide content of natural gas obtained during the extraction of crude oil/natural gas mixtures |
| 07/02/2013 | CA2553297C In situ process to recover heavy oil and bitumen |
| 06/27/2013 | WO2013096871A2 Systems and methods for mechanical hydrocarbon dispersion |
| 06/27/2013 | WO2013096540A1 Stable suspensions of carbon nanoparticles for nano-enhanced pdc, lbl coatings, and coolants |
| 06/27/2013 | WO2013096494A1 Electrokinetic enhanced hydrocarbon recovery from oil shale |
| 06/27/2013 | WO2013096491A1 Preconditioning a subsurface shale formation by removing extractible organics |
| 06/27/2013 | WO2013096218A1 Method and composition for inhibiting asphaltene deposition in a hydrocarbon mixture |
| 06/27/2013 | WO2013096217A1 Method and composition for inhibiting wax in a hydrocarbon mixture |
| 06/27/2013 | WO2013096216A1 Method and composition for inhibiting foam in a hydrocarbon mixture |
| 06/27/2013 | WO2013096215A1 Method and composition for reducing viscosity of a hydrocarbon mixture |
| 06/27/2013 | WO2013096198A1 Oil recovery process |
| 06/27/2013 | WO2013096108A1 Method to reduce salt necessary to reach saturation of drilling fluids |
| 06/27/2013 | WO2013095947A1 Electrical connector modules for wellbore devices and related assemblies |
| 06/27/2013 | WO2013095829A2 Enhanced coal-bed methane production |
| 06/27/2013 | WO2013095808A1 Chemical glass transition temperature reducer |
| 06/27/2013 | WO2013095723A1 Well pumping and control system |
| 06/27/2013 | WO2013095427A1 Downhole fluid flow control system having temporary sealing substance and method for use thereof |
| 06/27/2013 | WO2013095196A1 Method for the treatment of the face of a formation and borehole apparatus for implementing same |
| 06/27/2013 | WO2013095195A1 Method for hydrodynamic stimulation of the bottom region of a seam |
| 06/27/2013 | WO2013095173A1 Compositions and methods for servicing subterranean wells |
| 06/27/2013 | WO2013095150A1 Method for the preparation of polymer comprising particles |
| 06/27/2013 | WO2013092945A1 Production system for producing hydrocarbons from a well |
| 06/27/2013 | WO2013092944A1 Downhole tubular system and assembly for sealing an opening |
| 06/27/2013 | WO2013092804A1 Stimulation method |
| 06/27/2013 | WO2013092803A1 Stimulation method |
| 06/27/2013 | WO2013092798A1 Stimulation method |
| 06/27/2013 | WO2013092712A2 Method for recovery of hydrocarbon fluid |
| 06/27/2013 | WO2013092710A2 Method and system for impact pressure generation |
| 06/27/2013 | WO2013092449A1 Method and system for stimulating fluid flow in an upwardly oriented oilfield tubular |
| 06/27/2013 | WO2013091402A1 Oil-pumping machine with multiple deceleration and multiple balance |
| 06/27/2013 | WO2013090982A1 Underground coal conversion method |
| 06/27/2013 | WO2013090975A1 Underground coal gasification well liner |
| 06/27/2013 | WO2013090974A1 Method and system for treating a waste stream derived from ucg product gas |
| 06/27/2013 | WO2013033038A3 System for subsea extraction of gaseous materials from, and prevention, of hydrates |
| 06/27/2013 | WO2012166677A3 A method of conditioning a wall of a bore section |
| 06/27/2013 | WO2012159062A3 Seal around braided cable |
| 06/27/2013 | WO2012119058A3 Downhole fluid injections, co2 sequestration methods, and hydrocarbon material recovery methods |
| 06/27/2013 | WO2012095473A3 Process for the recovery of heavy oil and bitumen using in-situ combustion |
| 06/27/2013 | US20130161022 Systems and methods for mechanical hydrocarbon dispersion |
| 06/27/2013 | US20130161020 Apparatus and Method for Recovering Fluids from a Well and/or Injecting Fluids into a Well |
| 06/27/2013 | US20130161016 Liquified petroleum gas fracturing system |
| 06/27/2013 | US20130161015 Apparatus and method for fracturing a well |
| 06/27/2013 | US20130161014 Amine adducts, derivatives thereof, methods for making such adducts and derivatives, and methods for using such adducts and derivatives |
| 06/27/2013 | US20130161013 Corrosion Resistant Fluid End for Well Service Pumps |
| 06/27/2013 | US20130161012 Method of using a non-acidic stimulation fluid in high temperature sandstone formations |
| 06/27/2013 | US20130161011 Method of using an oxygen stream as an oxidizer feed gas stream |
| 06/27/2013 | US20130161010 Oil recovery process |
| 06/27/2013 | US20130161009 Steam generator and method for generating steam |
| 06/27/2013 | US20130161008 Preparation and use of nano-catalysts for in-situ reaction with kerogen |
| 06/27/2013 | US20130161007 Pulse detonation tool, method and system for formation fracturing |
| 06/27/2013 | US20130161004 Method of fracturing while drilling |
| 06/27/2013 | US20130161003 Proppant placement |
| 06/27/2013 | US20130161002 In-Situ Kerogen Conversion and Oxidant Regeneration |
| 06/27/2013 | US20130161000 Downhole isolation methods and apparatus therefor |
| 06/27/2013 | US20130160999 Sealing system |
| 06/27/2013 | US20130160998 Lost Circulation Materials and Methods of Using Same |
| 06/27/2013 | US20130160996 Downhole Packer Assembly Having a Selective Fluid Bypass and Method for Use Thereof |
| 06/27/2013 | US20130160994 Reducing sulfide in production fluids during oil recovery |
| 06/27/2013 | CA2858512A1 Compositions and methods for servicing subterranean wells |
| 06/27/2013 | CA2858477A1 Stimulation method |