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)
08/2013
08/28/2013	CN101946060B Large inside diameter completion with position indication
08/28/2013	CN101864941B Ultra-deep coal underground gasification technology
08/28/2013	CN101864935B Technique of carbon dioxide compound multi-term flood for reforming oil layer by oil blockage layer crack
08/28/2013	CN101769147B Method for evaluating oilfield fireflood scheme
08/28/2013	CN101581209B Auto-control symmetrical-steam-bleeding pipeline and use method thereof
08/28/2013	CA2806349A1 Methods of using cellulose in various oilfield applications
08/28/2013	CA2802263A1 Method of increasing efficiency of a y strainer and a y strainer
08/28/2013	CA2769935A1 Method and system for cleaning fracture ports
08/27/2013	US8521496 Systems and methods for improved positioning of pads
08/27/2013	US8518861 Solid zirconium-based cross-linking agent and use in oil field applications
08/27/2013	US8517120 Perforation tool with switch
08/27/2013	US8517104 Process for increasing the transport flow rate of oil from producing wells
08/27/2013	US8517103 Oil or gas treatment fluid containing a chelate or coordination complex that sets
08/27/2013	US8517102 Provision of viscous compositions below ground
08/27/2013	US8517099 Tubular member having self-adjusting valves controlling the flow of fluid into or out of the tubular member
08/27/2013	US8517098 Wellbore method and apparatus for completion, production and injection
08/27/2013	US8517097 System and method for transporting fluids in a pipeline
08/27/2013	US8517095 Method of using hexose oxidases to create hydrogen peroxide in aqueous well treatment fluids
08/27/2013	US8517092 Method for growing and metabolizing microbes
08/27/2013	US8517091 Method for increasing fluid recovery from multiple lateral wellbores drilled through a subsurface formation
08/27/2013	CA2770255A1 Liquid transfer pump
08/27/2013	CA2741861C Heater and method for recovering hydrocarbons from underground deposits
08/27/2013	CA2740459C Variable flow resistance system with circulation inducing structure therein to variably resist flow in a subterranean well
08/27/2013	CA2714411C Expansion cone for expandable liner hanger
08/27/2013	CA2640797C Control system for reciprocating device
08/27/2013	CA2618817C Oil recovery process employing amphoteric surfactants
08/27/2013	CA2547919C Viscoelastic surfactant gels with reduced salt concentration
08/24/2013	CA2807110A1 External pressure testing of gas lift valve in side-pocket mandrel
08/22/2013	WO2013123488A1 Method and system for heating a bed of hydrocarbon- containing rocks
08/22/2013	WO2013123268A1 Multi-element hybrid perforating apparatus
08/22/2013	WO2013122712A1 Selectively corrodible downhole article and method of use
08/22/2013	WO2013122596A1 Well flow control with multi-stage restriction
08/22/2013	WO2013122566A1 Economical construction of well screens
08/22/2013	WO2013122560A1 Method and apparatus for remotely controlling downhole tools using untethered mobile devices
08/22/2013	WO2013122500A1 Adaptive throttle and flow rate limiting chamber for well completion system
08/22/2013	WO2013120837A1 Method for producing hydrocarbon gas from a wellbore and valve assembly
08/22/2013	WO2013120197A1 Apparatus for treating a wellbore screen and method
08/22/2013	WO2013120167A1 Desanding apparatus and system
08/22/2013	WO2012107730A8 A method for individually servicing a plurality of zones of a subterranean formation
08/22/2013	US20130213669 System and method for raially expanding a tubular element
08/22/2013	US20130213668 Well tool assemblies with quick connectors and shock mitigating capabilities
08/22/2013	US20130213667 Well Flow Control with Multi-Stage Restriction
08/22/2013	US20130213664 Method of making a flow control device that reduces flow of the fluid when a selected property of the fluid is in selected range
08/22/2013	US20130213657 Hybrid Aqueous-Based Suspensions for Hydraulic Fracturing Operations
08/22/2013	US20130213656 Aqueous-Based Insulating Fluids and Related Methods
08/22/2013	US20130213655 High Pressure Jet Perforation System
08/22/2013	US20130213653 Producer snorkel or injector toe-dip to accelerate communication between sagd producer and injector
08/22/2013	US20130213652 Sagd steam trap control
08/22/2013	US20130213651 Mitigation of h2s in steam injection technology using amines of natural origin
08/22/2013	US20130213650 Optimized chemical enhanced recovery method
08/22/2013	US20130213649 Water treatment in at least one membrane filtration unit for enhanced hydrocarbon recovery
08/22/2013	US20130213647 Surface Wellbore Operating Equipment Utilizing MEMS Sensors
08/22/2013	US20130213646 Apparatus and methods for wellbore completion
08/22/2013	US20130213644 Method for signalling a downhole device in a well
08/22/2013	US20130213639 Milling well casing using electromagnetic pulse
08/22/2013	US20130213638 Methods of Using Nano-Particles In Wellbore Operations
08/22/2013	US20130213637 Microwave system and method for intrinsic permeability enhancement and extraction of hydrocarbons and/or gas from subsurface deposits
08/22/2013	US20130213636 System, apparatus and method for abrasive jet fluid cutting
08/22/2013	DE112011103401T5 Verfahren zur Ausdehnung mittels eines abwärts zu pumpenden Gesenks Method of extending downward to be pumped by means of a die
08/22/2013	CA2861417A1 Method for producing hydrocarbon gas from a wellbore and valve assembly
08/22/2013	CA2858051A1 Method and apparatus for remotely controlling downhole tools using untethered mobile devices
08/21/2013	EP2628894A1 Polyelectrolyte complexes for oil and gas applications
08/21/2013	EP2627865A1 Methods of fracturing with and processing lpg based treatment fluids
08/21/2013	EP2627864A2 Wellbore gravity water separator
08/21/2013	EP2627860A2 Marine subsea free-standing riser systems and methods
08/21/2013	EP2627859A2 Marine subsea assemblies
08/21/2013	EP2627857A2 Method and apparatus for isolating and treating discrete zones within a wellbore
08/21/2013	EP2627424A1 Unit for establishing contact between a gas and a liquid for a floating platform
08/21/2013	CN203151235U Pumping unit energy saving equipment
08/21/2013	CN203149364U Oil field rod pumped well intermittent pumping control system
08/21/2013	CN203146922U Filtering check valve for water-mixing pipeline
08/21/2013	CN203146664U Movable lock braking unlocking device
08/21/2013	CN203145931U Experimental device and a special model system for stimulating gas-assisted steam thermal oil recovery of heavy oil reservoir
08/21/2013	CN203145930U Three-dimensional visual physical simulation experiment device
08/21/2013	CN203145918U Experimental apparatus for simulating heavy oil steam huff-and-puff recovery and model system thereof
08/21/2013	CN203145914U Automatic high-pressure sand discharging device
08/21/2013	CN203145913U Completion pipe string for delaying bottom water coning
08/21/2013	CN203145912U Bypassing controller
08/21/2013	CN203145911U Dropping-fishing-free coalescer
08/21/2013	CN203145910U Super-short intelligent water distributor
08/21/2013	CN203145909U Water-treatment skid-mounted water injection system
08/21/2013	CN203145908U Gap self-compensating precise control water filling instrument
08/21/2013	CN203145907U Bridge type concentric continuous adjustable water distributor
08/21/2013	CN203145906U Prying-assembling carbon dioxide gas injection device
08/21/2013	CN203145905U Layered sand-prevention oil-extraction tubular column
08/21/2013	CN203145904U Oil-gas field yield remote regulation and control system
08/21/2013	CN203145903U Sand prevention pipe for oil field
08/21/2013	CN203145902U Drum-type pumping unit
08/21/2013	CN203145901U Sliding block copper bush installing and clamping device
08/21/2013	CN203145900U Counterweight anti-falling emergency braking device of vertical type pumping unit
08/21/2013	CN203145899U Watered oil well casing gas recovery device
08/21/2013	CN203145898U Chain type pumping unit
08/21/2013	CN203145897U Multifunctional oil pump
08/21/2013	CN203145896U Oil field oil well CO2 airlock prevention flow string
08/21/2013	CN203145849U Oil well structure capable of improving oil temperature at oil well outlet based on heat pipe principle
08/21/2013	CN103261582A Method for automatic control and positioning of autonomous downhole tools
08/21/2013	CN103261579A Downhole fluid flow control system and method having direction dependent flow resistance
08/21/2013	CN103261578A Rock anchor
08/21/2013	CN103261577A Well completion
08/21/2013	CN103261576A Communications module for alternate path gravel packing, and method for completing a wellbore

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