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)
11/2008
11/20/2008WO2008140322A1 Particle collector for a dynamic cyclone, and systems comprising the same
11/20/2008WO2008140319A1 Method for liquid control in multiphase fluid pipelines
11/20/2008WO2008139141A1 Hydrajet tool for ultra high erosive environment
11/20/2008WO2008139132A1 Methods and devices for treating multiple-interval well bores
11/20/2008WO2008138226A1 Screw energy converter
11/20/2008WO2008096164A3 Treatment fluids comprising diutan and associated methods
11/20/2008WO2008089071A3 Subterranean electro-thermal heating system and method
11/20/2008WO2007111789A3 Composition and method for producing a pumpable hydrocarbon hydrate slurry at high water-cut
11/20/2008US20080288226 Integrated Resevoir optimization
11/20/2008US20080287325 Novel borozirconate systems in completion systems
11/20/2008US20080286131 Electric submersible pumps
11/20/2008US20080284268 Electric submersible pumps
11/20/2008US20080284264 Electric submersible pumps
11/20/2008US20080283299 Hydrajet Tool for Ultra High Erosive Environment
11/20/2008US20080283254 Method for increased oil recovery from an oil field
11/20/2008US20080283252 System and method for multi-zone well treatment
11/20/2008US20080283250 Low clearance downhole pump
11/20/2008US20080283249 Apparatus, methods, and systems for extracting petroleum using a portable coal reformer
11/20/2008US20080283247 Portable and modular system for extracting petroleum and generating power
11/20/2008US20080283246 Heating tar sands formations to visbreaking temperatures
11/20/2008US20080283245 Method and system for heat management of an oil field
11/20/2008US20080283243 Reducing flow-back in well treating materials
11/20/2008US20080283242 Apparatus, compositions, and methods of breaking fracturing fluids
11/20/2008US20080283241 Downhole burner wells for in situ conversion of organic-rich rock formations
11/20/2008US20080283240 Screen For Controlling Sand Production in a Wellbore
11/20/2008US20080283238 Apparatus for autonomously controlling the inflow of production fluids from a subterranean well
11/20/2008US20080283236 Well plunger and plunger seal for a plunger lift pumping system
11/20/2008CA2687058A1 Method for liquid control in multiphase fluid pipelines
11/20/2008CA2686006A1 Downhole tubular expansion tool and method
11/20/2008CA2685851A1 Phenol-formaldehyde novolac resin having low concentration of free phenol
11/20/2008CA2685839A1 Increasing buoyancy of well treating materials
11/19/2008EP1991759A1 Tracer method and apparatus
11/19/2008EP1991758A1 A method and a system for feedback control or monitoring of an oil or gas production system and computer program product
11/19/2008EP1991757A2 System for injecting a substance into the space surrounding a well tubular
11/19/2008EP1991331A2 Multiphase fluid separator
11/19/2008EP1891298B1 Water flooding method
11/19/2008EP1738055B1 Temperature limited heaters used to heat subsurface formations
11/19/2008EP1520083B1 Dovetail thread coupling for expandable tubulars
11/19/2008CN201152346Y Oil pumping machine electric motor belt top thread tensioning device
11/19/2008CN201152251Y Beam-pumping unit protection machine control device
11/19/2008CN201152169Y Solid dynamic target support fracturing and unblocking device
11/19/2008CN201152168Y Automatic pumping oil extraction device
11/19/2008CN201152160Y Horizontal well fracturing hydraulic seat packer
11/19/2008CN101310093A Methods for recovering oil from an oil reservoir
11/19/2008CN101310091A Device for controlling slugging
11/19/2008CN101307689A Method for promoting thick oil oilfield oil well oil production
11/19/2008CN101307688A Solar energy oil well water injection flow automatic control device
11/19/2008CN101307687A Welding straight-line joint type sieve tube
11/19/2008CN101307686A Well screen with diffusion layer
11/19/2008CN101307685A Long stroke hydraulic pumping unit
11/19/2008CN101307684A Hanging pendulum type beam balancing energy-saving oil pumping machine
11/19/2008CN101307683A Symmetrically balanced chain type oil pumping unit
11/19/2008CN101307682A Double well oil pumping machine
11/19/2008CN101307679A Thin interlayer steam injection thermal production well mixing-proof well completion process
11/19/2008CN100434701C Hydraulic thrust mechanism of axial force in electrical single-screw submersible pump
11/19/2008CN100434653C Blasting type cave well completion technological method of coal layer gas well
11/19/2008CN100434447C Nanometer and micron water-soluble microgel reservoir oil material and preparation method thereof
11/19/2008CN100434309C Method for mounting a frac blender on a transport vehicle
11/18/2008US7452162 Method of installation of a tension leg platform and tendons therefor
11/18/2008US7452007 Hybrid threaded connection for expandable tubulars
11/18/2008US7451824 Downhole draw down pump and method
11/18/2008US7451823 Well chemical treatment utilizing plunger lift delivery system with chemically improved plunger seal
11/18/2008US7451822 Method for retrieving riser for storm evacuation
11/18/2008US7451820 mixing proppant with a fracturing fluid to create a proppant-laden slurry, removing the majority of the fluid from the proppant using centrifugal forces, blending the proppant with gaseous nitrogen and/or liquid carbon dioxide; monitoring and flow control equipment to regulate and/or automate the method
11/18/2008US7451819 Openhole perforating
11/18/2008US7451818 Method of reducing sand production from a wellbore
11/18/2008US7451816 Washpipeless frac pack system
11/18/2008US7451815 Sand control screen assembly enhanced with disappearing sleeve and burst disc
11/18/2008US7451814 System and method for producing fluids from a subterranean formation
11/18/2008US7451813 System and method for bleeding off pressure following servicing a well
11/18/2008US7451812 Real-time automated heterogeneous proppant placement
11/18/2008US7451811 Expanding a tubular element to different inner diameters
11/18/2008CA2583636C Method and apparatus for accumulating liquid and initiating upward movement when pumping a well with a sealed fluid displacement device
11/18/2008CA2519328C Instrumented plunger for an oil or gas well
11/18/2008CA2517670C Accelerated production of gas from a subterranean zone
11/18/2008CA2510497C Gas separator fluid crossover for well pump
11/18/2008CA2459538C Method for creating a polished bore receptacle
11/18/2008CA2443852C Apparatus and methods for radially expanding a tubular member
11/18/2008CA2392117C Production valve
11/18/2008CA2388360C Apparatus for and method of anchoring a first conduit to a second conduit
11/18/2008CA2314192C Downhole shock absorber
11/18/2008CA2232175C Wellhead drive brake system
11/16/2008CA2639411A1 Treatment and reuse of oilfield produced water
11/13/2008WO2008137666A1 Fracture stimulation of layered reservoirs
11/13/2008WO2008137447A2 A method and apparatus for subterranean fracturing
11/13/2008WO2008137388A1 Mounting system for a fiber optic cable at a downhole tool
11/13/2008WO2008137189A2 Process for dispersing nanocatalysts into petroleum-bearing formations
11/13/2008WO2008136962A1 Method for producing fuel and power from a methane hydrate bed
11/13/2008WO2008135858A2 Oil well completion tool having severable tubings string barrier disc
11/13/2008WO2008135539A1 Apparatus and methods for expanding tubular elements
11/13/2008WO2008135538A2 Apparatus and method for expanding tubular elements
11/13/2008WO2008135356A1 Method for casing using multiple expanded areas and using at least one inflatable bladder
11/13/2008WO2008116896A3 Method of interconnecting subterranean boreholes
11/13/2008WO2008115944A3 Coupler retained liner hanger mechanism and methods of setting a hanger inside a wellbore
11/13/2008WO2008109645A3 Automated oil well test classification
11/13/2008WO2008100644B1 Mechanically coupled screen and method
11/13/2008WO2008079782B1 Production actuated mud flow back valve
11/13/2008WO2008070630A3 Method for preventing overpressure
11/13/2008WO2008066986A3 Wireless perforating gun
11/13/2008WO2008051837A3 In situ heat treatment process utilizing oxidizers to heat a subsurface formation
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