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)
11/2009
11/18/2009CN101580284A Device for directly evaporating oil field sewage through high-pressure burning of fuel
11/18/2009CN100561007C Belt tension device of pumping unit capable of implementing adjusting and replacing in two minutes
11/18/2009CN100560977C Plunger type oil pump driven by linear motor
11/18/2009CN100560935C Fire-flooding thermal-ignition method for oil layer
11/18/2009CN100560934C Swinging arm abdication double wheel belt transmission vertical pumping machine
11/18/2009CN100560933C Swing arm offset vertical oil-pumping unit
11/18/2009CN100560930C Yield increasing technique for fixed point deep penetration horizontal drilling in oil-water well oil layer
11/17/2009US7617940 Arrangement related to a separator for the cleaning of such separator
11/17/2009US7617891 Mechanical crawler
11/17/2009US7617872 System and method for perforated well sand control
11/17/2009US7617871 Hydrajet bottomhole completion tool and process
11/17/2009US7617869 Methods for extracting oil from tar sand
11/17/2009US7617868 Liner anchor for expandable casing strings and method of use
11/17/2009CA2576000C Gas lift valve assembly
11/17/2009CA2572627C Injection of treatment materials into a geological formation surrounding a well bore
11/17/2009CA2522679C Mapping fracture dimensions
11/17/2009CA2463052C Method and apparatus for expansion sealing concentric tubular structures
11/17/2009CA2436999C A sleeve valve for controlling fluid flow between a hydrocarbon reservoir and tubing in a well and method for the assembly of a sleeve valve
11/17/2009CA2436725C Composite proppant, filtration media, gravel packing media, and sports field media, and methods for making and using same
11/17/2009CA2430853C Device for an opening in an outer sleeve of a sleeve valve and a method for the assembly of a sleeve valve
11/17/2009CA2371369C Lubrication system for downhole application
11/16/2009CA2631861A1 Pump jack assembly
11/16/2009CA2631334A1 Reconditioning process for used hydrocarbon based stimulation fluid
11/13/2009CA2631994A1 Low rate hydraulic artificial lift
11/12/2009WO2009137826A2 Mass/volume estimation contamination, removal and/or in situ treatment using subsurface pressure waves
11/12/2009WO2009137738A1 Method of remediating bit balling using oxidizing agents
11/12/2009WO2009137468A1 Rotator for wireline conveyed wellbore instruments and method for rotating an instrument in a wellbore
11/12/2009WO2009137321A1 Flushing system
11/12/2009WO2009137317A1 Underwater permanent magnet rotor pump
11/12/2009WO2009136796A1 Flow controller device
11/12/2009WO2009136153A2 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
11/12/2009WO2009136151A2 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
11/12/2009WO2009135806A1 Method and device for “in-situ” conveying of bitumen or very heavy oil
11/12/2009WO2009117486A3 Distributed sensors-controller for active vibration damping from surface
11/12/2009WO2009115829A3 Flow restrictor
11/12/2009WO2009105501A3 Hydraulically driven downhole pump using multi-channel coiled tubing
11/12/2009WO2009103999A3 Improved tubing section
11/12/2009WO2009102696A3 One trip liner running, cementing and setting tool using expansion
11/12/2009WO2009016140A3 Method and apparatus for cooling a gaseous hydrocarbon stream
11/12/2009WO2008152599A3 Real time closed loop interpretation of tubing treatment systems and methods
11/12/2009US20090281006 Methods of treating a lower-quality water for use as some of the water in the forming and delivering of a treatment fluid into a wellbore
11/12/2009US20090277844 Mass/Volume Estimation of Contamination, Removal and/or in situ Treatment Using Subsurface Pressure Waves
11/12/2009US20090277650 Reactive in-flow control device for subterranean wellbores
11/12/2009US20090277648 Downhole apparatus with a swellable support structure
11/12/2009US20090277645 Internal Tieback for Subsea Well
11/12/2009US20090277643 Method and apparatus for continuously injecting fluid in a wellbore while maintaining safety valve operation
11/12/2009US20090277641 Methods of using a lower-quality water for use as some of the water in the forming and delivering of a treatment fluid into a wellbore
11/12/2009US20090277640 Methods of using a higher-quality water with an unhydrated hydratable additive allowing the use of a lower-quality water as some of the water in the forming and delivering of a treatment fluid into a wellbore
11/12/2009US20090277639 Fluid Operated Well Tool
11/12/2009US20090277638 Methods of pumping fluids having different concentrations of particulate at different average bulk fluid velocities to reduce pump wear and maintenance in the forming and delivering of a treatment fluid into a wellbore
11/12/2009US20090277637 Oil well plug and abandonment method
11/12/2009US20090277634 Methods of pumping fluids having different concentrations of particulate with different concentrations of hydratable additive to reduce pump wear and maintenance in the forming and delivering of a treatment fluid into a wellbore
11/12/2009US20090277633 Treatment of Cesium-Containing Fluids
11/12/2009US20090277632 Completion technique and treatment of drilled solids
11/12/2009US20090277624 Gravel/frac packing
11/12/2009DE102008022176A1 Vorrichtung zur "in situ"-Förderung von Bitumen oder Schwerstöl Apparatus for "in situ" extraction of bitumen or heavy oil
11/12/2009CA2723799A1 Method of remediating bit balling using oxidizing agents
11/12/2009CA2723447A1 Method and apparatus for "in-situ" conveying of bitumen or very heavy oil
11/12/2009CA2665751A1 Integrated steam generation process for enhanced oil recovery
11/12/2009CA2665747A1 Usage of oil facilities waste sludge and fine tailings water for generation of hot water and steam for bitumen production
11/11/2009EP2115269A2 Improved system and method for stimulating multiple production zones in a wellbore
11/11/2009EP2115268A2 System and method for facilitating downhole operations
11/11/2009EP2115267A2 High performance foams for unloading gas wells
11/11/2009CN201345579Y Novel alternating current variable-frequency motor independent driving rotating disc device
11/11/2009CN201344030Y Underground atomizer for gas recovery by liquid drainage
11/11/2009CN201344029Y Circulating heating system for pumping well
11/11/2009CN201344028Y High-pressure allocating device
11/11/2009CN201344027Y Sand control pipe with spiral welded outer pipe and integral cog-type inner pipe
11/11/2009CN201344026Y Double-filter layer meandering annular gap self-cleaning sieve tube
11/11/2009CN201344025Y Underground unidirectional plugging device
11/11/2009CN201344024Y Double-cylinder symmetrical-type equilibrium hydraulic pumping unit
11/11/2009CN201344023Y Swing block six-bar linkage pumping unit
11/11/2009CN201344022Y Direct-and-reverse-circulation integrated hydraulic jet oil production system
11/11/2009CN201344021Y Wheel-bar-weight linked high-efficiency and energy-saving oil pumping unit
11/11/2009CN201344017Y Built-in pipe lofting device
11/11/2009CN101576074A Reciprocating electric submersible pump
11/11/2009CN101575983A Directional fracturing permeability improvement outburst elimination method in coal mine and device thereof.
11/11/2009CN101575968A Acid-etched fracture guide instrument
11/11/2009CN101575967A Heat insulation pipe and hollow sucker rod comprising same
11/11/2009CN101575966A Method for water plugging and profile controlling of underground polymerization of oil exploitation sludge
11/11/2009CN101575965A Perforating explosion-proof gun device
11/11/2009CN101575964A Experimental method and device for simulating exploitation of gas hydrates
11/11/2009CN101575963A Beam-pumping unit with tail part being capable of balancing and lower part connected with double connecting rods
11/11/2009CN101575962A Asymmetrical cycle compound-balanced pumping unit
11/11/2009CN101575961A Oil pumping device and production method thereof
11/11/2009CN101575960A Cluster well oil extractor of external rotor permanent magnetism synchronous motor
11/11/2009CN101575959A Novel hydraulic pumping unit with high energy saving and low energy consumption
11/11/2009CN101575940A Drilling operation method by utilizing dual drill drilling system
11/11/2009CN100559076C Subcritical pressure pouring boiler furnace
11/11/2009CN100559074C Supercritical pressure steam pouring furnace
11/11/2009CN100559012C Mixing and preparing control method for mixed solution for fracturing, acidizing and sand control of oil field
11/11/2009CN100559011C Simple pendulum variable-pitch beam-balanced pump
11/10/2009US7615518 Composition for denaturing and breaking down friction-reducing polymer and for destroying other oil well contaminants
11/10/2009US7615516 Oil field chemical-containing microemulsion includes non-aqueous internal phase that contains oil field chemical such as corrosion inhibitor, where chemical also has surfactant property and is present in an amount effective to form stable microemulsion of droplets of internal phase in external phase
11/10/2009US7614450 Pumping system and method for injecting a mixture of liquids into a subterranean formation
11/10/2009CA2550160C Multi-layer screen and downhole completion method
11/10/2009CA2538112C Multi-layer screen and downhole completion method
11/10/2009CA2512480C Controlling transient pressure conditions in a wellbore
11/10/2009CA2493901C Method for construction and completion of injection wells
11/10/2009CA2451822C Intelligent perforating well system and method
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