Patents
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)
10/2013
10/30/2013CN103375150A Horizontal well gravel packing tool
10/30/2013CN103375149A Support operating platforms for pumping unit
10/30/2013CN103375148A Beam aisles for pumping unit
10/30/2013CN103375147A Down-hole multi-stage separate-layer-fracturing switch device
10/30/2013CN103374342A Profile control and water plugging agent and method for oil field
10/30/2013CN102226413B Gas extraction method of cross hole drilling area of gas discharge laneway
10/30/2013CN102128018B Electric double-guide flow allocating device
10/30/2013CN102011574B Method for increasing yield of coal bed methane through vibration
10/30/2013CN101906289B Winterizing agents for oil base polymer slurries and method for making using same
10/30/2013CN101880523B Enzyme-microbe coupled fracturing fluid system and preparation method and applications thereof
10/30/2013CN101868593B Method of drilling wellbore
10/30/2013CN101796262B Well system and method for detecting and analyzing acoustic signals
10/30/2013CN101787874B Intelligent injection allocation testing device of water injection well
10/30/2013CN101718191B Directional cracking method for waterpower slotting
10/30/2013CN101641495B Granular electrical connections for in situ formation heating
10/30/2013CN101542070B Method of radially expanding tubular element
10/30/2013CN101316980B System and method for performing multiple downhole operations
10/30/2013CA2814286A1 Composite solids system to prepare polymer solutions for hydraulic fracturing treatments
10/29/2013US8567502 Filtration of dangerous or undesirable contaminants
10/29/2013US8567501 System and method for stimulating multiple production zones in a wellbore with a tubing deployed ball seat
10/29/2013US8567499 Gelled liquid hydrocarbon treatment fluids and their associated methods of use
10/29/2013US8567496 System and method for managing a subterranean formation
10/29/2013US8567427 Blowout preventers using plates propelled by explosive charges
10/29/2013CA2788203C In situ retorting and refining of hydrocarbons and a selected metal from oil shale, tar sands and depleted oil and gas deposits
10/29/2013CA2752261C Complementary surfactant compositions and methods for making and using same
10/29/2013CA2739411C Horizontal frac ball injector
10/29/2013CA2728427C Producing gaseous hydrocarbons from hydrate capped reservoirs
10/29/2013CA2676328C Casing valves system for selective well stimulation and control
10/29/2013CA2661971C Process for dispersing nanocatalysts into petroleum-bearing formations
10/29/2013CA2656462C Mixture for improved foaming in the extraction of petroleum or natural gas
10/29/2013CA2550883C Anchoring device for casing procedures in wellbores
10/27/2013CA2814425A1 Method and apparatus for controlling the flow of wellbore returns
10/26/2013CA2814277A1 Construction process for a well log with quantitative properties based on sample measurements and geophysical measurements
10/26/2013CA2813935A1 Delivery system for fracture applications
10/25/2013CA2823892A1 Oilfield steam generation using untreated water
10/24/2013WO2013159011A1 Systems and methods for treating subsurface formations containing fractures
10/24/2013WO2013159007A1 Systems and methods for injection and production from a single wellbore
10/24/2013WO2013158943A2 Submersible pump systems and methods
10/24/2013WO2013158548A1 Method of heating a hydrocarbon resource including lowering a settable frequency based upon impedance
10/24/2013WO2013158124A1 Completing long, deviated wells
10/24/2013WO2013158086A1 Apparatus, systems and methods for a flow control device
10/24/2013WO2013158085A1 Apparatus, systems and methods for bypassing a flow control device
10/24/2013WO2013157925A1 Pipe for extracting reservoir fluids present in an underground reservoir and method of locally increasing the thickness of such a pipe
10/24/2013WO2013156781A2 Wellbore completion system with reaming tool
10/24/2013WO2013156535A1 Method of cleaning water to remove hydrocarbon therefrom
10/24/2013WO2013155560A1 Improved underground coal gasification method and apparatus
10/24/2013WO2013130015A3 An inflow control device
10/24/2013WO2013105882A3 Method for the subterranean leaching of nickel-cobalt ores
10/24/2013WO2013078343A3 Coupled pipe network - reservoir modeling for multi-branch oil wells
10/24/2013WO2011095430A3 Acoustic telemetry system for use in a drilling bha
10/24/2013US20130277109 Surface Safe Explosive Tool
10/24/2013US20130277065 Artificial lift tool
10/24/2013US20130277064 Submersible pump systems and methods
10/24/2013US20130277063 System and method of improved fluid production from gaseous wells
10/24/2013US20130277060 Assemblies, systems and methods for installing multiple subsea functional lines
10/24/2013US20130277055 Method for the assisted recovery of petroleum
10/24/2013US20130277054 Gellable Treatment Fluids Having Adjustable Gel Times and Methods Associated Therewith
10/24/2013US20130277053 Wellbore Apparatus and Methods For Multi-Zone Well Completion, Production and Injection
10/24/2013US20130277052 Swellable Packer In Hookup Nipple
10/24/2013US20130277051 One trip treatment system with zonal isolation
10/24/2013US20130277050 Interacting hydraulic fracturing
10/24/2013US20130277049 Predicting steam assisted gravity drainage steam chamber front velocity and location
10/24/2013US20130277046 Method for enhanced oil recovery from carbonate reservoirs
10/24/2013US20130277045 Method of heating a hydrocarbon resource including lowering a settable frequency based upon impedance
10/24/2013DE102011018755B4 Rückdrehsicherung für Bohrlochpumpen Reverse protection for well pump
10/24/2013CA2813878A1 Interacting hydraulic fracturing
10/23/2013EP2652260A2 Controlling flow of steam into and/or out of a wellbore
10/23/2013EP2652259A2 Apparatus and method for controlling fluid flow from a formation
10/23/2013EP2652258A2 Downhole fluid flow control system and method having direction dependent flow resistance
10/23/2013EP2652257A1 Rock anchor
10/23/2013EP2652256A2 Well screens having enhanced well treatment capabilities
10/23/2013EP2652255A2 Sand control screen assembly having a compliant drainage layer
10/23/2013EP2652254A1 Communications module for alternate path gravel packing, and method for completing a wellbore
10/23/2013EP2652253A2 Connection apparatus and methods
10/23/2013EP2652252A2 Geothermal energy production
10/23/2013EP2652251A2 Restricting production of gas or gas condensate into a wellbore
10/23/2013EP2652250A1 Systems and methods for injecting a particulate mixture
10/23/2013EP2652248A2 Controlling flow between a wellbore and an earth formation
10/23/2013EP2652245A2 "packer assembly with sealing bodies"
10/23/2013EP2652204A1 Method for installing a device for recovering hydrocarbons
10/23/2013CN203249225U Vehicle-mounted ultra-supercritical pressure boiler
10/23/2013CN203248600U Weight box for pumping unit
10/23/2013CN203248513U Eccentric shaft
10/23/2013CN203248343U Tubular efficient deep well oil-well pump
10/23/2013CN203248142U Movable exploiting apparatus for coal-bed methane
10/23/2013CN203248141U Separator connector
10/23/2013CN203248140U Exploiting apparatus for inflammable ice in shallow water area
10/23/2013CN203248139U Oil layer heating resonance vapor generator
10/23/2013CN203248138U Reversing steam injection sieve tube
10/23/2013CN203248137U Double-pipe constant-flow water distribution control device
10/23/2013CN203248136U Water injection well injection allocating device
10/23/2013CN203248135U Blocking-sheet type composite perforator
10/23/2013CN203248134U Underwater horizontal type Christmas tree body
10/23/2013CN203248133U Oil field downhole operation tool
10/23/2013CN203248132U Crank type reversing buffer device for bumping unit
10/23/2013CN203248131U Rolling type pumping unit guide shoe
10/23/2013CN203248130U Chain drive pumping unit
10/23/2013CN203248129U Rotating disc type twin-well pumping unit
10/23/2013CN203248128U Hydraulic system for movable pumping unit
10/23/2013CN203248127U Head sheave device for pumping unit
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