| 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) |
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| 07/01/2008 | US7393423 In a medium to which desired mechanical effects are to be created, detonating an explosive device in the presence of water and a light metal or alloy to to initiate the first of the dual-explosions to release the metal in its molten state, where it reacts with water to create a second explosion |
| 07/01/2008 | US7392852 Zonal isolation using elastic memory foam |
| 07/01/2008 | US7392848 Methods to produce sulfate-free saline water and gypsum |
| 07/01/2008 | US7392847 Aggregating reagents, modified particulate metal-oxides, and methods for making and using same |
| 07/01/2008 | US7392844 Method of treating an oil or gas well with biodegradable low toxicity fluid system |
| 07/01/2008 | US7392843 Method of treating subterranean formations to enhance hydrocarbon production using proppants |
| 07/01/2008 | US7392842 Proppant suspension testing devices and methods of use |
| 06/29/2008 | CA2616483A1 The use of coated slots for control of sand or other solids in wells completed for production of fluids |
| 06/29/2008 | CA2594268A1 Method of using radial thrust elements to re-enter a previously-installed tubular in a lateral |
| 06/28/2008 | CA2763680A1 Methods for preventing proppant carryover from fractures, and gravel-packed filter |
| 06/27/2008 | CA2616572A1 Method for in situ combustion of in-place oils |
| 06/26/2008 | WO2008076768A2 Casing expansion and formation compression for permeability plane orientation |
| 06/26/2008 | WO2008076567A2 Apparatus and method for processing fluids from a well |
| 06/26/2008 | WO2008076565A2 Apparatus and method for processing fluids from a well |
| 06/26/2008 | WO2008075242A1 Real-time automated heterogeneous proppant placement |
| 06/26/2008 | WO2008057219A9 Methods and systems for gas well deliquification |
| 06/26/2008 | WO2008037997A3 Method of forming a high friction joint |
| 06/26/2008 | WO2008028074A3 Low bulk density proppant and methods for producing the same |
| 06/26/2008 | US20080154564 Method for optimal lift gas allocation |
| 06/26/2008 | US20080154510 Method and system for automated choke control on a hydrocarbon producing well |
| 06/26/2008 | US20080149389 Method of Using the Earth Mantle Substance for Hydrogen Production |
| 06/26/2008 | US20080149349 Integrated flow control device and isolation element |
| 06/26/2008 | US20080149347 Expandable well screen with a stable base |
| 06/26/2008 | US20080149346 Method of Installing an Expandable Tubular in a Wellbore |
| 06/26/2008 | US20080149345 Smart actuation materials triggered by degradation in oilfield environments and methods of use |
| 06/26/2008 | US20080149341 Stable solutions of zirconium hydroxyalkylethylene diamine complex and use in oil field applications |
| 06/26/2008 | US20080149334 Particles in Oil for Viscoelastic Surfactant Gelled Fluids |
| 06/26/2008 | US20080149333 Process for stabilized zirconium triethanolamine complex and uses in oil field applications |
| 06/26/2008 | US20080149329 Real-Time Automated Heterogeneous Proppant Placement |
| 06/26/2008 | US20080149327 Groundwater collecting apparatus |
| 06/26/2008 | US20080149325 Downhole oil recovery system and method of use |
| 06/26/2008 | US20080149324 Thread fatigue relief for tool joint |
| 06/26/2008 | US20080149323 Material sensitive downhole flow control device |
| 06/25/2008 | EP1936111A1 Method for determining the sizeof tubular pipe to be inserted in a borehole |
| 06/25/2008 | EP1936110A2 Systems and methods for controlling actuation of a well component |
| 06/25/2008 | EP1934429A1 Method and device for dosing of chemicals into injection water |
| 06/25/2008 | EP1799961B1 Improved hanging apparatus and method |
| 06/25/2008 | EP1730385B1 System and method for multiple wells from a common surface location |
| 06/25/2008 | CN201078328Y Differential type down-hole hydraulic oil well pump |
| 06/25/2008 | CN201078327Y Eccentric centre long plunger pump |
| 06/25/2008 | CN201078326Y Eccentric centre sand discharging feedback pump |
| 06/25/2008 | CN201078224Y Well head pressure complementation regulating device |
| 06/25/2008 | CN201078223Y Mud-removing and sand prevention tubular pile |
| 06/25/2008 | CN201078222Y Oil-production filter sand equipment of replaceable laser slit sieve tube |
| 06/25/2008 | CN201078221Y Oil gas well solid body chemical agent dispenser for oil-gas field |
| 06/25/2008 | CN201078220Y Water injection ductwork hydrodynamic force drive type hydraulic oil pumping system without pole |
| 06/25/2008 | CN201078219Y Beam pumping unit drive type hydraulic oil pumping system without pole |
| 06/25/2008 | CN201078215Y Differential pressure type packer for oil field compression fracture |
| 06/25/2008 | CN101205902A Traveling barrel sand-discharging oil-well pump |
| 06/25/2008 | CN101205901A Two-stage flow passage oil-well pump |
| 06/25/2008 | CN101205900A High-inclination horizontal well oil pump |
| 06/25/2008 | CN101205899A Layered injection-production oil-well pump |
| 06/25/2008 | CN101205805A Oil production string |
| 06/25/2008 | CN100396880C Method for cementing underground reservoir or repairing sand filling |
| 06/24/2008 | US7389822 Expander system for incremental expansion of a tubular element |
| 06/24/2008 | US7389819 Well screen |
| 06/24/2008 | US7389816 Three phase downhole separator process |
| 06/24/2008 | US7389814 Heat exchange compressor |
| 06/24/2008 | US7389787 Closed loop additive injection and monitoring system for oilfield operations |
| 06/22/2008 | CA2630682A1 Sustainable method for recovery of petroleum |
| 06/19/2008 | WO2008073815A1 Methods for development of an offshore oil and gas field |
| 06/19/2008 | WO2008073612A2 Oilfield operational system and method |
| 06/19/2008 | WO2008073495A1 Extracting gas hydrates from marine sediments |
| 06/19/2008 | WO2008072970A1 Method for laying a pipeline having an inner corrosion proof cladding |
| 06/19/2008 | WO2008072128A2 Fluid loss control and well cleanup methods |
| 06/19/2008 | WO2008071912A1 Method and apparatus for completing and fluid treating a wellbore |
| 06/19/2008 | WO2008071808A1 Installation for enhanced oil recovery using water-soluble polymers, method implementing same |
| 06/19/2008 | WO2008071089A1 Traction drive double-oilwell pumping unit |
| 06/19/2008 | WO2008070990A1 Preconditioning an oilfield reservoir |
| 06/19/2008 | WO2008055188A3 System and method for performing oilfield simulation operations |
| 06/19/2008 | US20080146463 Gelation in presence of iron or aluminum salt of phosphonic acid or dialkylphosphinic acid |
| 06/19/2008 | US20080144759 Method of Coupling Tubular Member |
| 06/19/2008 | US20080142230 Enzyme enhanced oil recovery (EEOR) for water alternating gas (WAG) systems |
| 06/19/2008 | US20080142229 Apparatus for Radially Expanding and Plastically Deforming a Tubular Member |
| 06/19/2008 | US20080142227 Wellbore method and apparatus for completion, production and injection |
| 06/19/2008 | US20080142226 Liquid carbon dioxide cleaning of wellbores and near-wellbore areas using high precision stimulation |
| 06/19/2008 | US20080142222 Differential Filters for Stopping Water during Oil Production |
| 06/19/2008 | US20080142220 Fluid Loss Control Agent with Triggerable Removal Mechanism |
| 06/19/2008 | US20080142219 Casing Expansion and Formation Compression for Permeability Plane Orientation |
| 06/19/2008 | US20080142218 Method and apparatus for completing a well |
| 06/19/2008 | US20080142217 Using geothermal energy to heat a portion of a formation for an in situ heat treatment process |
| 06/19/2008 | US20080142216 Treating tar sands formations with dolomite |
| 06/19/2008 | US20080142211 Magnetic separation in fluids |
| 06/19/2008 | US20080142209 Auxiliary braking device for wellhead having progressive cavity pump |
| 06/19/2008 | CA2672487A1 Preconditioning an oilfield reservoir |
| 06/19/2008 | CA2672210A1 Method for laying a pipeline having an inner corrosion proof cladding |
| 06/18/2008 | EP1931857A1 A method of fragmenting hard particles |
| 06/18/2008 | EP1931856A1 Methods and computer-readable media for determining design parameters to prevent tubing buckling in deviated wellbores |
| 06/18/2008 | CN201074589Y Multipurpose standing valve for oil-well pump |
| 06/18/2008 | CN201074588Y Locking device for halt of oil extractor |
| 06/18/2008 | CN201074587Y Brake lock of oil extractor |
| 06/18/2008 | CN201074586Y Combination of tubular pile and rod pile for deep pumping in oil pumping well |
| 06/18/2008 | CN201074585Y Buffer for loading oil extractor |
| 06/18/2008 | CN201074584Y Deloading tool for pumping oil down-hole |
| 06/18/2008 | CN201074510Y Gas anchor capable of ring measuring |
| 06/18/2008 | CN201074509Y Sand-blocking device for electric pump |
| 06/18/2008 | CN201074508Y Foam generator |
| 06/18/2008 | CN201074507Y Back-off affusion water distributor |
| 06/18/2008 | CN201074506Y Ablation-resistance sand control liner |
| 06/18/2008 | CN201074505Y Oil extractor mule head abdication device |