| 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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| 05/02/2013 | US20130105147 Recovery From A Hydrocarbon Reservoir |
| 05/02/2013 | US20130105145 Apparatus for reducing operationally induced deformities in well production screens |
| 05/02/2013 | US20130104596 Self-priming pump |
| 05/02/2013 | DE10361983B4 Verfahren und Vorrichtung zur Intensivierung der Durchlässigkeit von bohrungsnahen Bodenschichten sowie von Filterkörpern und Filterschichten in Brunnen und anderen Förderbohrungen Method and apparatus for intensifying the permeability of hole near the bottom layers and of filter bodies and filter layers in wells and other production wells |
| 05/02/2013 | DE102011116953A1 Verfahren, Absperr- und Anschlussvorrichtungen zum Anbau in der Tiefsee zwecks Ausflussstoppen bzw. Anschließen an havarierten Erdgas- bzw. Erdölförderrohrstutzen, Präventer und Bohrgestänge Procedures, isolation and connection devices for cultivation in the deep sea for the purpose of stopping or discharge connection to natural gas or oil production damaged pipes, drill pipe and Präventer |
| 05/02/2013 | DE102011052695B4 Verfahren sowie Perlrohr zur Behandlung von Erdbohrungen Procedures and bubbler for the treatment of Erdbohrungen |
| 05/02/2013 | CA2856090A1 Calculating downhole cards in deviated wells |
| 05/02/2013 | CA2853565A1 Capacitor device for a conductor loop of a device for "in situ" production of heavy oil and bitumen from oil sands deposits |
| 05/02/2013 | CA2852351A1 Combined casing system and method |
| 05/02/2013 | CA2852157A1 Inflow control device |
| 05/02/2013 | CA2849516A1 Well completion method to allow dual monitoring of reservoir saturation and pressure |
| 05/02/2013 | CA2845190A1 Low emission heating of a hydrocarbon formation |
| 05/01/2013 | EP2586964A1 Inflow control device |
| 05/01/2013 | EP2586095A1 Diaxial power transmission line for continuous dipole antenna |
| 05/01/2013 | EP2586094A1 Continuous dipole antenna |
| 05/01/2013 | EP2585683A2 Apparatus and method for remote actuation of a downhole assembly |
| 05/01/2013 | EP2585682A1 Methods of identifying high neutron capture cross section doped proppant in induced subterranean formation fractures |
| 05/01/2013 | EP2585681A1 Combined barrier and lubrication fluids pressure regulation system and unit for a subsea motor and pump module |
| 05/01/2013 | EP2585680A1 Differential pressure controlled motor and pump barrier fluids pressure regulation system |
| 05/01/2013 | EP2585679A1 A motor and pump barrier fluids pressure regulation system in a subsea motor and pump module |
| 05/01/2013 | EP2585678A1 A compensated barrier and lubrication fluids pressure regulation system for a subsea motor and pump module |
| 05/01/2013 | EP2585677A2 Apparatus for collecting and transporting fluids in a body of water |
| 05/01/2013 | EP2585676A2 Method for fighting an oilspill in the aftermath of an underwater oil well blowout and installation for carrying out the method |
| 05/01/2013 | EP2585674A2 Valve assembly |
| 05/01/2013 | EP2585188A1 Modular device for liquid/liquid gravity separation |
| 05/01/2013 | CN202914653U Beam-pumping unit belt automatic tension compensator |
| 05/01/2013 | CN202914623U Double-hook coordinated type weighting box with outer hanging hooks for vertical pumping unit |
| 05/01/2013 | CN202914606U Pumping unit external contacting type braking self-locking safety device |
| 05/01/2013 | CN202914080U Warming and metering device for wellhead oil storage |
| 05/01/2013 | CN202914078U Single-well three-phrase metering device |
| 05/01/2013 | CN202914077U Single-well three-phrase metering device |
| 05/01/2013 | CN202914076U Single-well metering device |
| 05/01/2013 | CN202914066U Gas anchor |
| 05/01/2013 | CN202914065U Gas-liquid separator of oil field single-well metering device |
| 05/01/2013 | CN202914064U Ball injection sliding sleeve applied to oil-gas well staged fracturing selective switch |
| 05/01/2013 | CN202914063U Graduation-free sand blast perforating fracturing tool |
| 05/01/2013 | CN202914062U Device for predicting capacity of fractured-porous oil reservoir |
| 05/01/2013 | CN202914061U 滑套 Sleeve |
| 05/01/2013 | CN202914060U Thickened oil thermal production well underground steam seal and control device |
| 05/01/2013 | CN202914059U Steam injection allocation technology pipe of steam assisted gravity drainage (SAGD) steam injection well |
| 05/01/2013 | CN202914058U Concentric double oil pipe steam injection distribution process pipe column of steam assisted gravity drainage (SAGD) steam injection well |
| 05/01/2013 | CN202914057U Combined type flow regulation liquid feeding device |
| 05/01/2013 | CN202914056U 偏心配水器 Eccentric water |
| 05/01/2013 | CN202914055U Full-eccentric small-diameter water distributor |
| 05/01/2013 | CN202914054U Concentric electric underground testing and adjusting device |
| 05/01/2013 | CN202914053U Sand control screen pipe |
| 05/01/2013 | CN202914052U Screen pipe |
| 05/01/2013 | CN202914051U Gravel filling device |
| 05/01/2013 | CN202914050U Low-type air balancing over-length stroke oil pumping device |
| 05/01/2013 | CN202914049U Guide rail verticality rapid adjusting device for vertical pumping unit |
| 05/01/2013 | CN202914048U Guide pillar with T-shaped guide rail for vertical pumping unit |
| 05/01/2013 | CN202914047U Trussed type electrical-reversing oil pumping device |
| 05/01/2013 | CN202914046U Plug-in type screw pump system |
| 05/01/2013 | CN202914045U Underground electrically-controlled stepless position regulation structure |
| 05/01/2013 | CN202914037U Ball seat used for gas well staged fracturing ball sliding sleeve |
| 05/01/2013 | CN202914030U Puncture-resistant adjustable oil nozzle |
| 05/01/2013 | CN202913990U Falling object protecting sand washing pen point |
| 05/01/2013 | CN202913969U Large-drift-diameter selected injection and exploitation integrated tubular column of heavy oil well |
| 05/01/2013 | CN103080472A Water sensitive porous medium to control downhole water production and method therefor |
| 05/01/2013 | CN103080471A High solids content slurries and methods |
| 05/01/2013 | CN103080470A Multiple ball-ball seat for hydraulic fracturing with reduced pumping pressure |
| 05/01/2013 | CN103080469A Methods for unconventional gas reservoir stimulation with stress unloading for enhancing fracture network connectivity |
| 05/01/2013 | CN103080468A A method for treatment of subterranean sites adjacent to water injection wells |
| 05/01/2013 | CN103080467A Variable flow restrictor for use in a subterranean well |
| 05/01/2013 | CN103080466A Method for fighting an oilspill in the aftermath of an underwater oil well blowout and installation for carrying out the method |
| 05/01/2013 | CN103075181A Bedding long drilling hole seam cutting and hole washing integral coal bed gas extraction method |
| 05/01/2013 | CN103075180A Gas-liquid two-phase jet slotting system and method |
| 05/01/2013 | CN103075140A Device and method for realizing corrosion communication of thin salt layer |
| 05/01/2013 | CN103075139A Immovable string hydraulic jetting technology for fracture acidizing and string for immovable string hydraulic jetting technology for fracture acidizing |
| 05/01/2013 | CN103075138A Staged fracturing and staged oil production integrated string for horizontal well |
| 05/01/2013 | CN103075137A Coal rock drilling high-pressure hydrofracture experimental facility |
| 05/01/2013 | CN103075136A Control device for underground layered flow rate of water injection well |
| 05/01/2013 | CN103075135A Compensator for water injection pipe |
| 05/01/2013 | CN103075134A Automatic matching injection tubular column for injecting air and steam |
| 05/01/2013 | CN103075133A Flow compensation type hydraulic pumping unit |
| 05/01/2013 | CN103074047A Fracturing agent and fracturing method of coalbed methane horizontal well |
| 05/01/2013 | CN103073873A Novel material pressure-out ball used in staged fracturing pitching slide sleeve opening |
| 05/01/2013 | CN103071321A Multiple-stage underground liquid-sand separator |
| 05/01/2013 | CN102022089B Array type cluster well group workover operation device and operation method thereof |
| 05/01/2013 | CN101864921B Well completion and oil production string of horizontal well and well completion and oil production processes thereof |
| 05/01/2013 | CN101845949B Indoor simulation device for testing injection/pressure fall of coal bed methane |
| 05/01/2013 | CN101747879B Baffle for thin layer oilfield controlling coning of bottom water and injection method thereof |
| 05/01/2013 | CN101440703B Method and apparatus for pipeline exploding early warning and operation control of oil extraction steam-filling boiler |
| 05/01/2013 | CN101238270B Methods and compositions for determination of fracture geometry in subterranean formations |
| 05/01/2013 | CN101099027B Unsintered mesh sand control screen |
| 05/01/2013 | CA2756756A1 An apparatus for extracting dissolved methane from ground water aquifers |
| 04/30/2013 | US8431015 Wellhead hydrocarbon upgrading using microwaves |
| 04/30/2013 | US8430172 Buoyant ball assisted hydrocarbon lift system and method |
| 04/30/2013 | US8430169 Method for managing hydrates in subsea production line |
| 04/30/2013 | US8430165 Increasing the viscosity of viscoelastic fluids |
| 04/30/2013 | US8430164 Production of steam and its application to enhanced oil recovery |
| 04/30/2013 | US8430160 Wellbore method and apparatus for completion, production and injection |
| 04/30/2013 | US8430158 Sand control screen assembly having integral connector rings and method for making same |
| 04/30/2013 | US8430157 Thermal control system |
| 04/30/2013 | US8430130 Series configured variable flow restrictors for use in a subterranean well |
| 04/30/2013 | CA2794357A1 Explosive pressure activated switch |
| 04/30/2013 | CA2717490C On-the-fly acid blender with sampling equipment |
| 04/30/2013 | CA2713445C Underwater processing of fluid streams |
| 04/30/2013 | CA2711329C Bottom hole assembly with ported completion and methods of fracturing therewith |
| 04/30/2013 | CA2663525C Fluid injection management method for hydrocarbon recovery |