| 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) |
|---|
| 05/14/2009 | US20090120638 Subsea well having a submersible pump assembly with a gas separator located at the pump discharge |
| 05/14/2009 | US20090120635 Apparatus and Method for Maintaining Boost Pressure to High-Pressure Pumps During Wellbore Servicing Operations |
| 05/14/2009 | US20090120634 Method for Tomographic Inversion by Matrix Transformation |
| 05/14/2009 | US20090120633 Method for Stimulating a Well Using Fluid Pressure Waves |
| 05/14/2009 | DE102008045524A1 Verfahren zur autonomen Steuerung eines Chemikalien-Einspritzsystems für Öl- und Gas-Bohrlöcher A method for autonomous control of a chemical injection for oil and gas wells |
| 05/14/2009 | CA2725322A1 Method of injecting carbon dioxide |
| 05/14/2009 | CA2704767A1 Methods for manipulation of the flow of fluids in subterranean formations |
| 05/13/2009 | EP2058471A1 Method of injecting carbon dioxide |
| 05/13/2009 | EP2058441A1 System for storing and purifying water |
| 05/13/2009 | EP2057347A1 Distributed intelligence for enhanced monitoring and control of oilfield processes |
| 05/13/2009 | EP2057346A2 Improved apparatus for the decomposition of hydrogen peroxide |
| 05/13/2009 | EP2057345A2 Method and apparatus for selective down hole fluid communication |
| 05/13/2009 | EP1807604A4 Production of free gas by gas hydrate conversion |
| 05/13/2009 | EP1511619A4 Particulate material having multiple curable coatings and methods for making and using same |
| 05/13/2009 | CN201236692Y High poly-natural gas apparatus |
| 05/13/2009 | CN201236691Y Multi-branch horizontal well |
| 05/13/2009 | CN201236690Y Multi-branch horizontal well |
| 05/13/2009 | CN201236689Y Abrasion-proof pressure-guiding sandblaster |
| 05/13/2009 | CN201236688Y Carbon dioxide booster pump injection vehicle |
| 05/13/2009 | CN201236687Y Renewedly entrance guiding device for injection string and feeding-discharging tool |
| 05/13/2009 | CN201236686Y Foam generator with adjustable pore space medium |
| 05/13/2009 | CN201236685Y Horizontal production-injection well completion structure with flow control function |
| 05/13/2009 | CN201236684Y Oil pipe transportation perforation electric security detonation system |
| 05/13/2009 | CN201236683Y Stainless steel integral soldering precise screen pipe |
| 05/13/2009 | CN201236682Y Switching type sand-prevention screening tube |
| 05/13/2009 | CN201236681Y Bottom filling server |
| 05/13/2009 | CN201236680Y Automatic intermittent oil pumping control device |
| 05/13/2009 | CN201236679Y Gimbal weight counterbalance vehicle for linear electric motor oil pumping machine |
| 05/13/2009 | CN201236678Y Oil extraction pipe with water control valve and longitudinal rib |
| 05/13/2009 | CN201236677Y Hydraulic pumping unit |
| 05/13/2009 | CN201236676Y Gas field ground system |
| 05/13/2009 | CN201236675Y Sprocket wheel moving apparatus of vertical oil pumping machine |
| 05/13/2009 | CN201236674Y Hydraulic oil-pumping unit |
| 05/13/2009 | CN201236672Y Gas generator for petroleum thermal production |
| 05/13/2009 | CN201236664Y Special shaft mouth apparatus of thick oil thermal production well |
| 05/13/2009 | CN201236652Y Feeding and extracting tool of guiding device |
| 05/13/2009 | CN201236648Y Vertical oil pumping well flushing apparatus |
| 05/13/2009 | CN201235527Y Balance weight adjuster of oil pumping machine |
| 05/13/2009 | CN101432502A Systems and methods for producing oil and/or gas |
| 05/13/2009 | CN101432501A Multi-zone, single trip well completion system and methods of use |
| 05/13/2009 | CN101432499A Gas tight tubular joint or connection |
| 05/13/2009 | CN101429864A Caber type oil gas well perforating test technique |
| 05/13/2009 | CN101429863A Oil gas water well energy-gathering composite perforating process |
| 05/13/2009 | CN101429862A Positive and reverse circulation integrated hydraulic jet oil production method and apparatus |
| 05/13/2009 | CN101429861A Oil well ganged oil pumping method and apparatus |
| 05/13/2009 | CN101429860A Desalination little-reagent ground-dipping uranium extraction method |
| 05/13/2009 | CN100487243C Standing valve cover and magnetic oil-drainage type oil well pump equipped therewith |
| 05/13/2009 | CN100487221C Holder for high-temperature high-pressure glass microscopic model |
| 05/12/2009 | US7532984 Method and system for determining hydrocarbon properties |
| 05/12/2009 | US7531483 Energized fluids and methods of use thereof |
| 05/12/2009 | US7531099 Horizontal tank having an axis which forms a fluid container; axis of the container is parallel to ground level; fluid container has cylindrical shell with a pair of opposed, substantially spherical ends forming a closed container; separate well stream fluid into liquid hydrocarbon, water/brine, gas |
| 05/12/2009 | US7530800 Rotary drivehead for downhole apparatus |
| 05/12/2009 | US7530408 Method of consolidating an underground formation |
| 05/12/2009 | US7530397 Explosive pipe severing tool |
| 05/12/2009 | US7530393 Friction loss reduction in viscoelastic surfactant fracturing fluids using low molecular weight water-soluble polymers |
| 05/12/2009 | US7530392 Method and system for development of hydrocarbon bearing formations including depressurization of gas hydrates |
| 05/12/2009 | US7530391 Seal section for electrical submersible pump |
| 05/12/2009 | CA2573379C Wellbore flow control device |
| 05/12/2009 | CA2526673C Methods and compositions for breaking viscosified fluids |
| 05/12/2009 | CA2487927C Particulate material having multiple curable coatings and methods for making and using same |
| 05/12/2009 | CA2476360C Seal arrangement |
| 05/12/2009 | CA2441660C Downhole pumping system |
| 05/12/2009 | CA2421863C Evaluation of multilayer reservoirs |
| 05/12/2009 | CA2402203C Oilwell casing electrical power pick-off points |
| 05/12/2009 | CA2401734C Wireless reservoir production control |
| 05/12/2009 | CA2386459C Method for improving oil recovery by delivering vibrational energy in a well fracture |
| 05/09/2009 | CA2643505A1 Apparatus and method for deliquifying a well |
| 05/09/2009 | CA2610349A1 Apparatus and method for deliquifying a well |
| 05/07/2009 | WO2009058846A1 Systems and methods for producing oil and/or gas |
| 05/07/2009 | WO2009058590A2 Addition of nonionic surfactants to water soluble block copolymers to increase the stability of the copolymer in aqueous solutions containing salt and/or surfactants |
| 05/07/2009 | WO2009058589A2 Addition of zwitterionic surfactant to water soluble polymer to increase the stability of the polymers in aqueous solutions containing salt and/or surfactants |
| 05/07/2009 | WO2009058398A1 Flow back separators |
| 05/07/2009 | WO2009056514A1 Method of radially expanding a tubular element |
| 05/07/2009 | WO2009038997A3 Tubing retrievable injection valve |
| 05/07/2009 | WO2009038467A3 Shear open valve |
| 05/07/2009 | WO2009018536A3 Methods of increasing fracture resistance in low permeability formations |
| 05/07/2009 | WO2009009382A3 Process for enhanced oil recovery using a microbial consortium |
| 05/07/2009 | WO2009009343A3 Methods and compositions for preventing high density well completion fluid loss |
| 05/07/2009 | WO2009007379A3 Method of lining a well or a pipe using an inflatable bladder |
| 05/07/2009 | WO2008135538A3 Apparatus and method for expanding tubular elements |
| 05/07/2009 | WO2008073612A8 Oilfield operational system and method |
| 05/07/2009 | WO2007078350A3 Apparatus for extraction of hydrocarbon fuels or contaminants using electrical energy and critical fluids |
| 05/07/2009 | WO2007064864A3 Hydrostatic separator apparatus and method |
| 05/07/2009 | US20090114450 Controlled Variable Density Fluid for Wellbore Operations |
| 05/07/2009 | US20090114393 Diverter valve |
| 05/07/2009 | US20090114392 Method and Apparatus Associated With Stimulation Treatments for Wells |
| 05/07/2009 | US20090114391 Method for autonomous control of a chemical injection system for oil and gas wells |
| 05/07/2009 | US20090114390 High temperature aqueous-based zirconium crosslinking composition and use |
| 05/07/2009 | US20090114388 Equalizing Injection Tool |
| 05/07/2009 | US20090114385 Method of stimulating a well |
| 05/07/2009 | US20090114384 Method for extraction of hydrocarbon fuels or contaminants using electrical energy and critical fluids |
| 05/07/2009 | CA2704177A1 Addition of nonionic surfactants to water soluble block copolymers to increase the stability of the copolymer in aqueous solutions containing salt and/or surfactants |
| 05/07/2009 | CA2704171A1 Addition of zwitterionic surfactant to water soluble polymer to increase the stability of the polymers in aqueous solutions containing salt and/or surfactants |
| 05/07/2009 | CA2703888A1 Systems and methods for producing oil and/or gas |
| 05/07/2009 | CA2700952A1 Method of radially expanding a tubular element |
| 05/06/2009 | EP2054975A2 Electrical connector for conductive wires encapsulated in protective tubing |
| 05/06/2009 | EP2054583A2 Method of obtaining a treatment composition for improving the productivity of hydrocarbon producing wells |
| 05/06/2009 | EP2054486A2 Friction reduction fluids |
| 05/06/2009 | EP2054362A2 Method and system for methanol production |
| 05/06/2009 | EP1461562B1 Method for making a sealed tubular joint with plastic expansion |