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)
06/2010
06/10/2010US20100139917 System and method for sealing gravel exit ports in gravel pack assemblies
06/10/2010US20100139916 Formation treatment
06/10/2010US20100139915 Producer well plugging for in situ combustion processes
06/10/2010US20100139913 Stimulation of biogenic gas generation in deposits of carbonaceous material
06/10/2010US20100139909 Intelligent Well Control System for Three or More Zones
06/10/2010US20100139388 Monitoring fluid pressure in a well and retrievable pressure sensor assembly for use in the method
06/10/2010CA2745391A1 Method for perforating failure-prone formations
06/10/2010CA2745389A1 Method for the enhancement of dynamic underbalanced systems and optimization of gun weight
06/10/2010CA2745386A1 Method for perforating a wellbore in low underbalance systems
06/10/2010CA2745384A1 Method for the enhancement of injection activities and stimulation of oil and gas production
06/10/2010CA2745316A1 System and method of grid generation for discrete fracture modeling
06/10/2010CA2745273A1 Use of barite in perforating devices
06/10/2010CA2744975A1 Apparatus and method for servicing a wellbore
06/10/2010CA2686749A1 Process for producing heavy oil
06/09/2010EP2194227A2 System and method for verifying perforating gun status prior to perforating a wellbore
06/09/2010EP2193255A1 Methods and systems for evaluating and treating previously-fractured subterranean formations
06/09/2010EP2193254A2 Wireless perforating gun initiation
06/09/2010EP2193251A1 Well construction using small laterals
06/09/2010CN201504223U Multi-power energy-saving motor for oil pumping unit
06/09/2010CN201502780U Anti-theft valve of oil pumping unit for crude oil protection
06/09/2010CN201502666U Redactor with high transmission ratio
06/09/2010CN201502521U Pump cylinder surface layer structure of oil-well pump
06/09/2010CN201502516U Uninterrupted rodless pump
06/09/2010CN201502403U Antitheft annunciator of water injecting system
06/09/2010CN201502370U Flow regulating device
06/09/2010CN201502369U Spiral-flow-type underground gas-liquid separator
06/09/2010CN201502368U Metal powder liner perforating charge
06/09/2010CN201502367U Follow-up type composite perforating charge
06/09/2010CN201502366U Secondary ignition detonating primer
06/09/2010CN201502365U Up hanging horsehead type double-horsehead beam-pumping unit
06/09/2010CN201502364U Driving cord length automatic adjusting type double horse head pumping unit
06/09/2010CN201502363U Balance weight of composite beam-balanced pumping unit
06/09/2010CN201502362U All-weather energy-saving pumping unit
06/09/2010CN201502361U Serrated chain tower type oil pumping unit
06/09/2010CN201502360U Roller chain-tower oil pumping machine device
06/09/2010CN201502355U High-temperature resistant thermal recovery packer
06/09/2010CN201502354U Thermal recovery packer seal sleeve
06/09/2010CN201502353U Adjustable blanking plug capable of detecting aperture of water nozzle
06/09/2010CN201502341U Self-rotating type multifunctional polished rod eye
06/09/2010CN1575373B Method for in situ thermal processing of a hydrocarbon containing formation via backproducing through a heater well
06/09/2010CN101725343A Ground device for separated layer water injection
06/09/2010CN101725337A Crude oil dehydration method
06/09/2010CN101725336A Method for oil extraction by means of air injection and low-temperature oxidation and experiment device
06/09/2010CN101725335A Gas anchor type double-filtering sieve tube for impurities
06/09/2010CN101725334A Natural gas hydrate microwave in-situ development system powered by wind energy
06/09/2010CN101725333A Mule head automatic adjusting device for pumping unit
06/09/2010CN101725332A Swinging bell automatic leveling energy-saving type oil pumping machine
06/09/2010CN101725331A Open gearwheel energy-saving beam-pumping unit
06/08/2010US7732384 complexing tetra-isopropyl zirconate, triethanolamine, and boric acid in an alcohol solvent; for use in oil field applications such as hydraulic fracturing and plugging of permeable zones and leaks in subterranean formations
06/08/2010US7732383 Process for stabilized zirconium triethanolamine complex and uses in oil field applications
06/08/2010US7731843 Method and apparatus for treatment of water for an injection well
06/08/2010US7730958 Method and apparatus to enhance hydrocarbon production from wells
06/08/2010US7730956 Downhole pressure balanced electrical connections
06/08/2010US7730953 Multi-cycle single line switch
06/08/2010US7730952 enhance oil recovery by fracturing a subterranean formation with a cross-linkable polysaccharides and curing agent mixture; N,N,N',N'-tetrakis(hydroxyisopropyl)ethylenediamine, water and a polyol; provides flexibility in rate of cross-linking under wide range of pH
06/08/2010US7730951 Methods of initiating intersecting fractures using explosive and cryogenic means
06/08/2010US7730950 Methods for treating intervals of a subterranean formation having variable permeability
06/08/2010US7730949 System and method for performing well treatments
06/08/2010US7730948 Use of coated proppant to minimize abrasive erosion in high rate fracturing operations
06/08/2010US7730947 Creating fluid injectivity in tar sands formations
06/08/2010US7730946 Treating tar sands formations with dolomite
06/08/2010US7730945 Using geothermal energy to heat a portion of a formation for an in situ heat treatment process
06/08/2010US7730942 Method and equipment for the reduction of multiple dispersions
06/08/2010US7730939 Safety clamp for walking beam compressor
06/08/2010US7730938 Continuous sucker rod and method of using same
06/08/2010US7730937 Electric submersible pump and motor assembly
06/08/2010US7730936 Active cable for wellbore heating and distributed temperature sensing
06/08/2010CA2666951C Method and system for solution mining
06/08/2010CA2633627C Method for completing a well using increased fluid temperature
06/08/2010CA2533115C Top drive torque booster
06/08/2010CA2532146C Zeolite-containing treating fluid
06/08/2010CA2530915C Apparatus and methods for operating a tool in a wellbore
06/08/2010CA2461364C Pumping from two levels of a pool of production fluid, and one way valve therefore
06/08/2010CA2314806C Divalent cation-containing well drilling and servicing fluid
06/03/2010WO2010062755A2 Differential pressure systems and methods for measuring hydraulic parameters across surface water-aquifer interfaces
06/03/2010WO2010062213A1 Method for hydraulically fracturing a subsurface formation
06/03/2010WO2010062208A1 Method for estimation of sagd process characteristics
06/03/2010WO2010062187A1 Bellows valve
06/03/2010WO2010062181A1 Method for modifying an existing subsea arranged oil production well, and a thus modified oil production well
06/03/2010WO2010061309A1 Fluid loss control in wellbore completion operations
06/03/2010WO2010061274A1 Continuous mining
06/03/2010WO2010061252A2 Artificial oil lifting unit using absorbent belts
06/03/2010WO2010061162A2 Cement compositions and methods utilizing nano-hydraulic cement
06/03/2010WO2010027862A3 Additive to improve flow, reduce power consumption and pressure drop in heavy oil pipelines
06/03/2010WO2010024949A3 Methods for stable sequestration of carbon dioxide in an aquifer
06/03/2010WO2009090368A3 Reducing co2 emissions from oilfield diesel engines
06/03/2010US20100133007 Method for determining formation integrity and optimum drilling parameters during drilling
06/03/2010US20100133005 Method for the Enhancement of Dynamic Underbalanced Systems and Optimization of Gun Weight
06/03/2010US20100133004 System and Method for Verifying Perforating Gun Status Prior to Perforating a Wellbore
06/03/2010US20100132958 Expandable tubular installation systems, methods, and apparatus
06/03/2010US20100132953 Barrier for instrumentation piping
06/03/2010US20100132952 Method for casing using multiple expanded areas and using at least one inflatable bladder
06/03/2010US20100132950 Water transfer system
06/03/2010US20100132949 Process and process line for the preparation of hydraulic fracturing fluid
06/03/2010US20100132948 Delayed Breaking of Well Treatment Fluids
06/03/2010US20100132947 Method for Perforating Failure-Prone Formations
06/03/2010US20100132946 Method for the Enhancement of Injection Activities and Stimulation of Oil and Gas Production
06/03/2010US20100132945 Method for Perforating a Wellbore in Low Underbalance Systems
06/03/2010US20100132944 Differential filters for removing water during oil production
06/03/2010US20100132943 Resin Compositions and Methods of Using Resin Compositions to Control Proppant Flow-Back
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