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)
11/2011
11/01/2011	US8047821 Ring rack oil pumping machine
11/01/2011	US8047296 Method of transitioning to kinetic hydrate inhibitors in multiple tie-in well systems
11/01/2011	US8047294 Dual flapper safety valve
11/01/2011	US8047292 Method and apparatus for preventing slug flow in pipelines
11/01/2011	US8047291 Tool and method for abrasive formation of openings in downhole structures
11/01/2011	US8047289 Methods of using particulates in subterranean operations
11/01/2011	US8047288 Proppants with carbide and/or nitride phases
11/01/2011	US8047287 Process for recovering heavy oil utilizing one or more membranes
11/01/2011	US8047285 Method and apparatus to deliver energy in a well system
11/01/2011	US8047284 Determining the use of stimulation treatments based on high process zone stress
11/01/2011	US8047281 Sleeve for expandable tubular threaded connection and method of expanding tubular thereof
11/01/2011	US8047276 Tool for enhancing the extraction of landfill gas
11/01/2011	CA2693676C Downhole tool assembly with debris relief, and method for using same
11/01/2011	CA2671374C Controlling transient pressure conditions in a wellbore
11/01/2011	CA2655514C Downhole cyclic pressure pulse generator and method for increasing the permeability of pay reservoir
11/01/2011	CA2642244C Foamed treatment fluids and associated methods
11/01/2011	CA2502694C Acid-coated sand for gravel pack and filter cake clean-up
10/2011
10/30/2011	CA2738500A1 A continuous rod pump drive system
10/29/2011	CA2813763A1 Method and apparatus for controlling fluid flow using movable flow diverter assembly
10/29/2011	CA2737998A1 Method and apparatus for controlling fluid flow using movable flow diverter assembly
10/27/2011	WO2011133785A1 Water treatment using a direct steam generator
10/27/2011	WO2011133627A2 Multifunctional particles for downhole formation treatments
10/27/2011	WO2011133369A1 Apparatus and method for sealing portions of a wellbore
10/27/2011	WO2011133319A2 Prevention, actuation and control of deployment of memory-shape polymer foam-based expandables
10/27/2011	WO2011132056A2 Process for reducing the viscosity of heavy crude oils
10/27/2011	WO2011131867A2 Integrated process for the treatment and gasification of bituminous feedstocks by chemical looping combustion
10/27/2011	WO2011131551A2 Device and method of enchancing production of hydrocarbons
10/27/2011	WO2011131307A1 System and method for improving zonal isolation in a well
10/27/2011	WO2011107795A3 Bubbles generation device and method
10/27/2011	WO2011106366A3 Apparatus and method for cementing liner
10/27/2011	WO2011087715A3 Controllable chemical injection for multiple zone completions
10/27/2011	WO2011070453A3 Method for increasing fracture area
10/27/2011	US20110262987 Solubilization of Carbonaceous Materials and Conversion to Hydrocarbons and Other Useful Products
10/27/2011	US20110259599 System and Method For Providing Data Corresponding To Physical Objects
10/27/2011	US20110259598 System and Method For Obtaining Data On An Unstructured Grid
10/27/2011	US20110259596 Configurations and Methods for Improved Subsea Production Control
10/27/2011	US20110259593 Method of over-pressured well fracturing with periodic shock waves
10/27/2011	US20110259592 Method and composition for treating fluids before injection into subterranean zones
10/27/2011	US20110259591 Thermal processes for subsurface formations
10/27/2011	US20110259590 Conduction convection reflux retorting process
10/27/2011	US20110259588 Methods of stabilizing shale surface to minimize proppant embedment and increase proppant-pack conductivity
10/27/2011	US20110259586 Water treatment using a direct steam generator
10/27/2011	US20110259585 Process for enhanced production of heavy oil using microwaves
10/27/2011	US20110259584 Fractionation system and methods of using same
10/27/2011	US20110259583 Process for extracting mineral oil using surfactants, especially based on c35 secondary alcohol-containing alkyl alkoxylates
10/27/2011	US20110259230 Electrode ignition and control of electrically ignitable materials
10/27/2011	CA2796551A1 Device and method of enhancing production of hydrocarbons
10/27/2011	CA2795957A1 Integrated process for the treatment and gasification of bituminous feedstocks by chemical looping combustion
10/27/2011	CA2759117A1 Water treatment using a direct steam generator
10/27/2011	CA2738442A1 Glass compositions and method for making proppants based thereon
10/26/2011	EP2381065A1 System and method for improving zonal isolation in a well
10/26/2011	EP2379840A1 Method for evaluation, design and optimization of in-situ bioconversion processes
10/26/2011	EP2379670A1 A method and system using zeta potential altering compositions as aggregating reagents for sand control
10/26/2011	EP2076732B1 Methods and apparatuses for electronic time delay and systems including same
10/26/2011	CN202018604U Distribution speed regulating device for oil field
10/26/2011	CN202017479U Movable multi-functional waste oil and waste water recovering device
10/26/2011	CN202017478U Fastening device for balance weight of oil pumping unit
10/26/2011	CN202017477U Intelligent process system for pump station
10/26/2011	CN102226466A Reciprocating screw transmission mechanism
10/26/2011	CN102226391A Anti-erosion system based on hydraulic jet fracturing anti-vortex erosion valve
10/26/2011	CN102226390A Testing device for deep wells and high-temperature and high-pressure wells
10/26/2011	CN102226389A Coal mine drilling anti-collapse hole pipe network and anti-collapse hole method
10/26/2011	CN102226388A Anti-sand construction process using water to dilute carrying phenolic resin
10/26/2011	CN102226387A Tower frame type combined transmission numerical control oil pumping machine
10/26/2011	CN102226079A Liquid anti-swelling oil displacement agent for water injection wells, production method and application method thereof
10/26/2011	CN102226078A Oil well sand controlling pretreatment agent for improving sand controlling effect, and application thereof
10/26/2011	CN101270649B Down-hole high pressure screw pump polymer injector system
10/26/2011	CA2701422A1 A method for the management of oilfields undergoing solvent injection
10/25/2011	US8044106 Brine fluid gelled with amine oxide surfactant has viscosity broken with composition containing naturally-occurring fatty acids in canola oil reacted with water soluble base such as sodium/potassium/ammonium hydroxide
10/25/2011	US8044002 Solid zirconium-based cross-linking agent and use in oil field applications
10/25/2011	US8044001 Solid zirconium-based cross-linking agent and use in oil field applications
10/25/2011	US8043997 Lost circulation material formulation and method of use
10/25/2011	US8043996 Method for treatment of underground reservoirs
10/25/2011	US8042842 Production by plastic expansion of a sealed tubular joint with inclined abutting surface(s)
10/25/2011	US8042614 Fiber laden energized fluids and methods of use thereof
10/25/2011	US8042613 Drilling head for reboring a stuck valve
10/25/2011	US8042610 Parallel heater system for subsurface formations
10/25/2011	CA2663723C Monobore construction with dual expanders
10/25/2011	CA2638630C Dual zone flow choke for downhole motors
10/23/2011	CA2848473A1 Valve with shuttle
10/22/2011	CA2809273A1 Hanger assembly and system including hanger assembly and heater string
10/22/2011	CA2704561A1 Heater string and process of well heating
10/20/2011	WO2011130505A2 Apparatus and method for selective flow control
10/20/2011	WO2011130168A2 System and method for controlling flow through a sand screen
10/20/2011	WO2011130122A2 Screen device and downhole screen
10/20/2011	WO2011130018A1 Sequenced packing element system
10/20/2011	WO2011129937A2 Methods to gravel pack a well using expanding materials
10/20/2011	WO2011128615A1 Electrically conductive oil-based drilling fluids
10/20/2011	WO2011099895A3 Downhole circular liquid, gas or gas/liquid mixture flow restrictor
10/20/2011	WO2011077337A3 Chemical diversion technique
10/20/2011	WO2011059845A3 Modular hydraulic operator for a subterranean tool
10/20/2011	US20110255999 Use of a rolling-element bearing for bearing rotating components in vacuum devices and vacuum device
10/20/2011	US20110253640 In-line flow separation of fluids in a pipe separator
10/20/2011	US20110253382 Plunger for performing artificial lift of well fluids
10/20/2011	US20110253380 Apparatus and method for recovering fluids from a well and/or injecting fluids into a well
10/20/2011	US20110253375 Apparatus and methods for removing mercury from formation effluents
10/20/2011	US20110253374 Geochemical Control of Fracturing Fluids
10/20/2011	US20110253373 Transport and analysis device for use in a borehole
10/20/2011	US20110253372 Particles comprising blocked isocyanate resin and method of modifying a wellbore using the same
10/20/2011	US20110253371 Diluent-enhanced in-situ combustion hydrocarbon recovery process

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