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)
07/2010
07/06/2010US7752023 Method for enhancing production allocation in an integrated reservoir and surface flow system
07/06/2010US7749945 Maintains fluid loss control and rheological properties during petroleum recovery operations
07/06/2010US7749944 use of rheology enhancers derived from wood pulping operations to shorten shear recovery times and increase the viscosity of viscoelastic surfactants for use in oilfield treatment fluids
07/06/2010US7748460 Method and apparatus for wellbore fluid treatment
07/06/2010US7748459 Annular pressure monitoring during hydraulic fracturing
07/06/2010US7748458 Initiation and propagation control of vertical hydraulic fractures in unconsolidated and weakly cemented sediments
07/06/2010US7748457 a treatment material comprising solid acid precursor is disposed at the bottom of the well bore, a propellant apparatus may be immersed in the treatment material and a propellant may then be burned inside a first propellant apparatus at high pressure to create fractures in the geological formation
07/06/2010US7748456 Dual functional components and associated methods
07/06/2010US7748452 Polymeric microspheres as degradable fluid loss additives in oilfield applications
07/06/2010US7748451 Methods for improving low-quality proppant and method of using low-quality proppant in subterranean operations
07/06/2010US7748450 Gas wellhead extraction system and method
07/06/2010US7748449 Tubingless electrical submersible pump installation
07/06/2010US7748448 Wellhead plunger inspection arrangement
07/06/2010US7748447 Torque anchor and method for using same
07/06/2010US7748444 Method and apparatus for connecting, installing, and retrieving a coiled tubing-conveyed electrical submersible pump
07/06/2010US7748443 Dual packer for a horizontal well
07/06/2010CA2637382C Well tool having magnetically coupled position sensor
07/06/2010CA2600094C Perforating gun assembly and method for enhancing perforation depth
07/01/2010WO2010075227A2 Monitoring an alternating current component of a downhole electrical imbalance voltage
07/01/2010WO2010075062A1 Setting tool for expandable liner hanger and associated methods
07/01/2010WO2010074997A2 Improved heat transfer through the electrical submersible pump
07/01/2010WO2010074980A1 Method and apparatus for increasing well productivity
07/01/2010WO2010074912A2 System and method for delivering material to a subsea well
07/01/2010WO2010074902A1 Mitigating perforating gun shock
07/01/2010WO2010072751A2 Expanding a tubular element in a wellbore
07/01/2010WO2010071994A1 Proppant addition system and related methods
07/01/2010WO2010041033A3 Geochemical control of fracturing fluids
07/01/2010WO2010039818A3 Carbon sequestration in depleted oil shale deposits
07/01/2010WO2010036792A3 Method, device, and system for determining water or liquid in the annulus of a flexible riser or flowline
07/01/2010WO2010036620A3 Method and composition for determining hardness in wellbore fluid filtrate
07/01/2010WO2010033716A3 Method for optimizing well production in reservoirs having flow barriers
07/01/2010WO2010030274A3 Invert emulsion wellbore fluids and method for reducing toxicity thereof
07/01/2010WO2010025461A3 Systems and methods for driving a pump associated with a subterranean well
07/01/2010WO2009073366A3 Dewatering of silicate wellbore fluids
07/01/2010WO2009051834A3 System, method and apparatus for creating an electric glow discharge
07/01/2010US20100165790 Method for determination of the oil formation's water-flooding area radius in the wellbore zone
07/01/2010US20100163309 Sub-Surface Deployment Valve
07/01/2010US20100163255 Process for preventing or remediating trithiazine deposition in high h2s wells
07/01/2010US20100163246 Method and system for producing hydrocarbons from a hydrate reservoir using a sweep gas
07/01/2010US20100163245 Artificial lift system for stripper and marginal wells
07/01/2010US20100163242 "Removing Air Wave Noise From Electromagnetic Survey Data"
07/01/2010US20100163240 Downhole multiple bore tubing apparatus
07/01/2010US20100163238 Method and apparatus for perforating with reduced debris in wellbore
07/01/2010US20100163235 Efficient single trip gravel pack service tool
07/01/2010US20100163234 Surface-Modifying Agents for Wettability Modification
07/01/2010US20100163233 System, method and treatment fluid for controlling fines migration
07/01/2010US20100163232 Gas separator
07/01/2010US20100163231 Method and system for producing hydrocarbons from a hydrate reservoir using available waste heat
07/01/2010US20100163230 Method of enhancing oil recovery
07/01/2010US20100163229 Methods and apparatuses for sagd hydrocarbon production
07/01/2010US20100163228 Internal breaker for oilfield treatments
07/01/2010US20100163227 Stimulation and recovery of heavy hydrocarbon fluids
07/01/2010US20100163226 Supercritical fluid recovery and refining of hydrocarbons from hydrocarbon-bearing formations applying fuel cell gas in situ
07/01/2010US20100163225 System, Method, and Apparatus for Post-Fracture Treatment
07/01/2010US20100163224 Downhole Tool Delivery System
07/01/2010DE112008002080T5 Rohrausdehnvorrichtung Rohrausdehnvorrichtung
07/01/2010CA2748162A1 Expanding a tubular element in a wellbore
07/01/2010CA2747436A1 Setting tool for expandable liner hanger and associated methods
07/01/2010CA2746388A1 Improved heat transfer through the electrical submersible pump
06/2010
06/30/2010EP2202383A1 Method of expanding a tubular element in a wellbore
06/30/2010EP2201212A1 Apparatus and method for ratcheting stimulation tool
06/30/2010EP2201211A1 Setting tool for expandable liner hanger and associated methods
06/30/2010CN201518441U Hand regulating pumping unit motor base
06/30/2010CN201517490U Protective device mounted below sucker rod pump
06/30/2010CN201517416U Auxiliary device for diagram test
06/30/2010CN201517414U Oil-water central layer handling arrangement for oilfield
06/30/2010CN201517413U Gas well remote control automatic medicine adding device
06/30/2010CN201517412U Automatic continuous adding device of a gas well mouth foaming agent
06/30/2010CN201517411U Polymer injecting device
06/30/2010CN201517410U Bump detonator for detonation in shooting of oil well
06/30/2010CN201517409U Combined sieve tube
06/30/2010CN201517408U Slim-hole gravel stone filling sand control device
06/30/2010CN201517407U Mobile ground oil-pumping device
06/30/2010CN201517406U Three-channel closed coal bed gas well gas-lift system
06/30/2010CN201517405U Rapid adjusting and fixing device of balance block of pumping unit
06/30/2010CN201517404U Double-surface synchronous chain tower type pumping unit
06/30/2010CN201517403U Commutation controlling device for electrical machine commutation pumping unit
06/30/2010CN201517402U Unpowered piston type capsule oil increasing device
06/30/2010CN201517401U Unpowered piston type capsule oil increasing device
06/30/2010CN201517392U Inclined well water injection bottom valve device
06/30/2010CN201517389U Anchor expanding type packer
06/30/2010CN201517374U Gas production well completion column jacket
06/30/2010CN201517369U Multi-angle horizontal branch well natural gas extraction simulator
06/30/2010CN101765696A Method of completing a well with sand screens
06/30/2010CN101761341A Simple wellhead frame structure and construction method
06/30/2010CN101761327A Gas metering-separating device
06/30/2010CN101761326A Simulation method and experimental device for carbon dioxide replacement exploitation of gas hydrate
06/30/2010CN101761325A Method for measuring three-phase flow rate of producing wellhead oil transportation pipeline and daily fluid production rate of single well
06/30/2010CN101761324A Novel beam-balanced pumping unit
06/30/2010CN101761323A Alliance method of oil well perforation, fracturing and snubbing transferring pumping
06/30/2010CN101761322A High-efficiency energy-saving oil exploitation method
06/30/2010CN101760269A Gasoline-associated gas comprehensively using system
06/30/2010CN101757874A Viscoelastic surfactant fluids and related methods of use
06/30/2010CA2689187A1 Method for treating fracturing water
06/29/2010US7745379 injecting orthophosphate ester into annulus between carrier pipe and hydrocarbon conveying tubulars; ferric sulphate as gelling agent
06/29/2010US7743854 Well jet device and the operating method thereof
06/29/2010US7743835 Compositions containing shape-conforming materials and nanoparticles that absorb energy to heat the compositions
06/29/2010US7743830 Controlling the pressure within an annular volume of a wellbore
06/29/2010US7743826 In situ method and system for extraction of oil from shale
06/29/2010CA2603333C Particle control screen with depth filtration
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