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)
03/2010
03/16/2010US7677309 Method for increased oil recovery from an oil field
03/16/2010US7677308 Gas separator
03/16/2010US7677306 Hydraulic fracturing
03/16/2010US7677305 Ring reduction via natural anaerobic microbiological activity for transformation of crude oil-associated aromatic chemicals
03/16/2010CA2596541C Self-degrading fibers and associated methods of use and manufacture
03/16/2010CA2526024C Slip on screen with expanded base pipe
03/12/2010CA2678560A1 Downhole pumping system
03/11/2010WO2010027862A2 Additive to improve flow, reduce power consumption and pressure drop in heavy oil pipelines
03/11/2010WO2010027723A2 Method and system for jointly producing and processing hydrocarbons from natural gas hydrate and conventional hydrocarbon reservoirs
03/11/2010WO2010026553A1 Reversible peptide surfactants for oilfield applications
03/11/2010WO2010026457A1 Assemblies for the purification of a reservoir or process fluid
03/11/2010WO2010026400A2 Process for generating hydrogen
03/11/2010WO2010026215A2 Narrow well bore
03/11/2010WO2010025741A1 Parallel electric submersible pumping system
03/11/2010WO2010025540A1 Liquified petroleum gas fracturing methods
03/11/2010WO2010009110A3 System and method for sub-cooling hydrocarbon production fluid for transport
03/11/2010WO2009151891A3 Formation treatment using electromagnetic radiation
03/11/2010WO2009149031A3 Multi-point injection system for oilfield operations
03/11/2010WO2009136153A3 Methods of providing a lower-quality water for use as some of the water in the forming and delivering of a treatment fluid into a wellbore
03/11/2010WO2009136151A3 Methods of pumping fluids having different concentrations of particulate to reduce pump wear and maintenance in the forming and delivering of a treatment fluid into a wellbore
03/11/2010WO2009083986A3 Method and system for generating energy with gas
03/11/2010US20100059227 Stimulated oil production using reactive fluids
03/11/2010US20100059226 Method of Delivering Frac Fluid and Additives
03/11/2010US20100059225 Flow Reversing Apparatus and Methods of Use
03/11/2010US20100059224 Methods for producing sintered particles from a slurry of an alumina-containing raw material
03/11/2010US20100059223 Shrouded tubular
03/11/2010US20100059222 Power Lift Generator
03/11/2010US20100059221 Subsea fluid sampling and analysis
03/11/2010CA2735916A1 Narrow well bore
03/11/2010CA2735550A1 Reversible peptide surfactants for oilfield applications
03/11/2010CA2734808A1 Method and system for jointly producing and processing hydrocarbons from natural gas hydrate and conventional hydrocarbon reservoirs
03/10/2010EP2161406A1 Method and apparatus for configuring oil and/or gas producing system
03/10/2010CN201420545Y Oilfield produced water coagulation settling separation device
03/10/2010CN201420544Y Steam assisted gravity drainage high-temperature produced liquid three-phase separator boundary regulating device
03/10/2010CN201420543Y Double-well oil pumping machine
03/10/2010CN201420542Y Hydraulic self-locking brake device of oil pumping unit
03/10/2010CN201420541Y Horizontal well located sand spraying and perforating device
03/10/2010CN201420540Y Rotary lifting and reversing pumping unit
03/10/2010CN201420539Y Pumping unit capable of rotary lifting and reversing
03/10/2010CN201420538Y Bottom transmission vertical pumping unit
03/10/2010CN201420536Y Well completion sliding sleeve fracturing valve
03/10/2010CN201420522Y Blowout-prevention control device for steam flooding well
03/10/2010CN201420519Y Large drift diameter sieve tube hanger
03/10/2010CN201420515Y Burglar-proof lifting hook and opening/closing special tool therefor
03/10/2010CN101666225A Surface-modified proppant
03/10/2010CN101666224A Double-helical reel-type pumping unit
03/10/2010CN101666223A Intelligent drainage and mining method of coalbed methane well and intelligent drainage and mining equipment of coalbed methane well immersed pump
03/10/2010CN101666222A Lubricating system of closed pumping unit
03/09/2010US7675253 Linear actuator using magnetostrictive power element
03/09/2010US7674384 Mixing the brine containing metal impurities with an organic chelant for a time sufficient for the chelant to complex a metal and form a complexed metal precipitate; removing complexed metal precipitate from brine wherein the metal impurities contain iron
03/09/2010US7673690 Method and apparatus for dynamic application management in sub-sea well installations
03/09/2010US7673686 Method of stabilizing unconsolidated formation for sand control
03/09/2010US7673685 Method for oil recovery from an oil field
03/09/2010US7673684 ESP/separator assembly and method
03/09/2010US7673681 Treating tar sands formations with karsted zones
03/09/2010US7673678 Flow control device with a permeable membrane
03/09/2010US7673676 Electric submersible pumping system with gas vent
03/09/2010US7673673 Apparatus for isolating a jet forming aperture in a well bore servicing tool
03/09/2010CA2569676C Oilfield enhanced in situ combustion process
03/09/2010CA2517494C Well product recovery process
03/09/2010CA2472347C Apparatus and method for expanding tubular members
03/04/2010WO2010025461A2 Systems and methods for driving a pump associated with a subterranean well
03/04/2010WO2010025155A1 Sand control screen assembly and method for use of same
03/04/2010WO2010025152A1 Sand control screen assembly and method for use of same
03/04/2010WO2010025150A2 Sand control screen assembly and method for use of same
03/04/2010WO2010024682A1 Method for two-step separation of water, salt and particles from a hydraulic fluid
03/04/2010WO2010023585A2 System, method and apparatus for breaking fracture fluids
03/04/2010WO2010023519A1 Method for the in situ high frequency heat extraction of hydrocarbons from an underground formation
03/04/2010WO2010023035A1 Method and device for the "in-situ" conveying of bitumen or very heavy oil
03/04/2010WO2010023032A2 Installation for the in situ extraction of a substance containing carbon
03/04/2010WO2010022496A1 Volatile-phosphorus free gelling agents
03/04/2010WO2010005990A3 Method for maximizing energy recovery from a subterranean formation
03/04/2010WO2009140593A3 Continuous fibers for use in hydraulic fracturing applications
03/04/2010WO2009134643A3 Method for increasing the recovery of hydrocarbons
03/04/2010WO2009091422A3 Wireless perforating gun initiation
03/04/2010US20100057418 Method for Quantifying Reservoir Connectivity Using Fluid Travel Times
03/04/2010US20100051295 Swellable packer construction for continuous or segmented tubing
03/04/2010US20100051288 Low Rate Gas Injection System
03/04/2010US20100051287 Depressurization system of annuli between casings in producing wells
03/04/2010US20100051281 Pneumatic Line Deicing System
03/04/2010US20100051280 Intelligent completion design for a reservoir
03/04/2010US20100051278 Perforating gun assembly
03/04/2010US20100051274 Methods, apparatus and products for drilling wells
03/04/2010US20100051273 System, Method, and Apparatus for Breaking Fracture Fluids
03/04/2010US20100051272 Liquified petroleum gas fracturing methods
03/04/2010US20100051271 Sand Control Screen Assembly and Method For Use of Same
03/04/2010US20100051270 Sand Control Screen Assembly and Method for Use of Same
03/04/2010US20100051268 Oil extraction system and oil extraction supervisory system
03/04/2010US20100051265 Firing trigger apparatus and method for downhole tools
03/04/2010US20100051263 System, Method and Apparatus for Breaking Fracturing Fluids
03/04/2010US20100051258 Fracturing head with replaceable inserts for improved wear resistance and method of refurbishing same
03/04/2010DE102008044955A1 Verfahren und Vorrichtung zur "in-situ"-Förderung von Bitumen oder Schwerstöl Method and device for "in-situ" extraction of bitumen or heavy oil
03/04/2010DE102008044953A1 Anlage zur In-Situ-Gewinnung einer kohlenstoffhaltigen Substanz System for in-situ extraction of a carbonaceous substance
03/04/2010CA2735579A1 Systems and methods for driving a pump associated with a subterranean well
03/04/2010CA2735357A1 Method and device for the "in-situ" extraction of bitumen or very heavy oil
03/04/2010CA2735300A1 Installation for the in-situ extraction of a substance containing carbon
03/04/2010CA2734731A1 Method for the in situ high frequency heat extraction of hydrocarbons from an underground formation
03/04/2010CA2733253A1 Volatile-phosphorus free gelling agents
03/03/2010EP2159369A2 Christmas tree with internally positioned flowmeter
03/03/2010EP2158379A2 Expandable centralizer for expandable pipe string
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