Patents
Sitemap › E21 - Earth or rock drilling; Mining › E21B - Earth or rock drilling; Obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells › 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)
06/2012
06/21/2012US20120152537 Auger for gas and liquid recovery from regolith
06/21/2012US20120152536 Heat generating system for enhancing oil recovery
06/21/2012US20120152535 Formulation and method of use for stimulation of heavy and extraheavy oil wells
06/21/2012US20120152534 Systems and Methods For Dual Reinjection
06/21/2012US20120152532 Artificial lift integral system for the production of hydrocarbons for oil wells by means of pneumatic pumping with natural gas autonomously supplied by oil wells
06/21/2012US20120152531 MULTISTAGE SEPARATOR VESSEL FOR CAPTURING LPGs
06/21/2012US20120152527 Exit assembly with a fluid director for inducing and impeding rotational flow of a fluid
06/21/2012US20120152523 Self-Orienting Fracturing Sleeve and System
06/21/2012US20120152520 Emergency water pump system
06/21/2012US20120152124 Combined degassing and flotation tank
06/21/2012DE102007002399B4 Verfahren und Vorrichtung zur Herstellung einer verrohrten Strangbohrung Method and apparatus for producing a cased string bore
06/21/2012CA2821930A1 Systems and methods for injecting a particulate mixture
06/21/2012CA2821914A1 A method for obtaining diagnostics and control of the pumping process of rod pumped oil and gas wells and devices for the method execution
06/21/2012CA2821913A1 Pulsation dampening system for a reciprocating pump
06/21/2012CA2821840A1 Rock anchor
06/21/2012CA2821271A1 Geothermal energy production
06/21/2012CA2821267A1 Restricting production of gas or gas condensate into a wellbore
06/21/2012CA2821264A1 Controlling flow of steam into and/or out of a wellbore
06/21/2012CA2821118A1 Method for recycling deoiled water using counterflow falling-film evaporators
06/21/2012CA2821033A1 Connection apparatus and method
06/21/2012CA2819780A1 Chemical oxidation or electromagnetic treatment in sagd operations
06/21/2012CA2819711A1 Controlling flow between a wellbore and an earth formation
06/21/2012CA2819371A1 Wellbore apparatus and methods for multi-zone well completion, production and injection
06/21/2012CA2819364A1 Autonomous downhole conveyance system
06/21/2012CA2819350A1 Packer for alternate flow channel gravel packing and method for completing a wellbore
06/21/2012CA2818998A1 Heat generating system for enhancing oil recovery
06/21/2012CA2818668A1 Well screens having enhanced well treatment capabilities
06/21/2012CA2817581A1 Sand control screen assembly having a compliant drainage layer
06/21/2012CA2816614A1 Downhole fluid flow control system and method having direction dependent flow resistance
06/21/2012CA2814334A1 Well completion
06/21/2012CA2813999A1 Communications module for alternate path gravel packing, and method for completing a wellbore
06/21/2012CA2762516A1 Method of a formation hydraulic fracturing
06/20/2012EP2466338A1 Method for exploiting an oil deposit based on a flow model defined by setting pressure and saturation maps to scale
06/20/2012EP2466065A1 Well completion
06/20/2012EP2466064A1 Casing anchor
06/20/2012EP2466062A2 Devices and methods for transmitting eds back-up signals to subsea pods
06/20/2012EP2465910A1 Cement compositions and methods utilizing nano-hydraulic cement
06/20/2012EP2465603A1 Device and method for sequestering a substance
06/20/2012EP2465073A1 Optimizing well management policy
06/20/2012EP2464821A1 Method, system and apparatus for subsurface flow manipulation
06/20/2012EP2464820A2 System and method for a direct drive pump
06/20/2012EP2464818A2 Thermal vapor stream apparatus and method
06/20/2012EP2464816A2 System and method for servicing a wellbore
06/20/2012CN202280765U 地面驱动式抽油机刹车盘 Ground-driven pumping the brakes
06/20/2012CN202280454U 油水井配水芯装置 Oil wells with water core device
06/20/2012CN202280453U 一种免关井微调水嘴 Tap a no shut-tuning
06/20/2012CN202280452U 一机双井抽油机 A pumping machine shuangjing
06/20/2012CN202280451U Hydraulic driving oil recovery device for highly deviated well
06/20/2012CN202280450U 抽油机节能装置 Pumping energy-saving devices
06/20/2012CN202280447U Control valve used for fracturing well completion and capable of being opened and closed
06/20/2012CN1671943B Method for construction and completion of injection wells
06/20/2012CN102510930A Fracturing and gravel packing tool with multi movement wash pipe valve
06/20/2012CN102505933A Variable range metering device of oil well gas liquid metering separator
06/20/2012CN102505931A Gas-liquid separating and oil-water-gas three-phase flow measuring device
06/20/2012CN102505930A Water base fracturing and blocking-removing composite process
06/20/2012CN102505929A Device for increasing gas permeability of coal seam by utilizing centralized release of explosion energy
06/20/2012CN102504798A Ground crosslinked acid liquid for acid fracturing and preparation method thereof
06/20/2012CN102504795A Dual-function explosive pre-crosslinking gel particle for profile control and deep fluid flow diversion
06/20/2012CN102504790A Method for reversing gas humidity on surface of rock core by using cationic fluorocarbon surfactant
06/20/2012CN101619654B Pulse fracturing sand injector for horizontal wells
06/20/2012CN101560874B Changeable combined layer separate-layer oil extraction technological process and separate-layer combination oil extraction process tubular column
06/20/2012CN101545364B Single machine multi-well horizontal type flexible energy-saving oil pumping unit
06/20/2012CN101490364B A method of controlling water condensation in a near wellbore region of a formation
06/20/2012CN101316982B Cogeneration systems and processes for treating hydrocarbon containing formations
06/20/2012CN101273183B Degradable fiber system for production increase
06/20/2012CN101163856B Grouped exposing metal heater
06/20/2012CN101163854B Temperature limited heater using non-ferromagnetic conductor
06/20/2012CA2762994A1 Multistage separator vessel for capturing propane
06/20/2012CA2753490A1 Formulation and method of use for stimulation of heavy and extraheavy oil wells
06/19/2012US8204728 Systems and methods for improved positioning of pads
06/19/2012US8201635 Apparatus and methods for expanding tubular elements
06/19/2012US8201631 Multi-functional isolation tool and method of use
06/19/2012US8201630 Methods of using hydrocarbon gelling agents as self-diverting scale inhibitors
06/19/2012US8201629 Staging tool seal arrangement for gas wells
06/19/2012US8201626 Method and system for producing hydrocarbons from a hydrate reservoir using available waste heat
06/19/2012CA2699855C Method and system for interpreting swabbing tests using nonlinear regression
06/19/2012CA2692377C Apparatus and method for stimulating subterranean formations
06/19/2012CA2651686C Apparatus and methods for utilizing a downhole deployment valve
06/19/2012CA2629631C Method of drilling and producing hydrocarbons from subsurface formations
06/19/2012CA2412072C Method and apparatus for wellbore fluid treatment
06/17/2012CA2758558A1 Systems and methods for dual reinjection
06/17/2012CA2730812A1 Environmentally friendly stimulation fluids, processes to create wormholes in carbonate reservoirs, and processes to remove wellbore damage in carbonate reservoirs
06/15/2012CA2761953A1 Process for operating an oil field from a flow model via a scale up of pressure and saturation charts
06/14/2012WO2012079009A2 A method to improve reservoir simulation and recovery from fractured reservoirs
06/14/2012WO2012078705A2 Apparatus and methods for enhanced well control in slim completions
06/14/2012WO2012078307A2 Stackable multi-barrier system and method
06/14/2012WO2012078305A2 Stackable multi-barrier system and method
06/14/2012WO2012075569A1 In situ process to recover methane gas from hydrates
06/14/2012WO2012054440A3 Offshore tower for drilling and/or production
06/14/2012WO2012054290A3 Screen assembly
06/14/2012WO2012042403A3 Diversion pill and methods of using the same
06/14/2012WO2012033712A3 Apparatus and method for heating of hydrocarbon deposits by rf driven coaxial sleeve
06/14/2012WO2012033621A3 Method and apparatus for selective acid diversion in matrix acidizing operations
06/14/2012US20120145415 Emerging technologies for optimizing recovery from heavy crude deposits
06/14/2012US20120145411 Running Tool with Feedback Mechanism
06/14/2012US20120145409 High Collapse Resistance Solid Expandable Technology
06/14/2012US20120145401 Acidic Treatment Fluids Containing Non-Polymeric Silica Scale Control Additives and Methods Related Thereto
06/14/2012US20120145400 method for mixing fluids downhole
06/14/2012US20120145399 Restricting production of gas or gas condensate into a wellbore
06/14/2012US20120145398 Controlling flow of steam into and/or out of a wellbore
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