Patents
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)
08/2006
08/17/2006US20060180308 Viscoelastic surfactant fluids and associated acidizing methods
08/17/2006US20060180307 Methods for preparing slurries of coated particulates
08/17/2006US20060180306 Method for improved vertical sweep of oil reservervoirs
08/17/2006US20060180304 Down hole physical upgrading of heavy crude oils by selective energy absorption
08/17/2006CA2597567A1 Sound source for stimulation of oil reservoirs
08/17/2006CA2597469A1 Method and equipment for the reduction of multiple dispersions
08/16/2006EP1691032A2 Integrated reservoir optimization
08/16/2006EP1691031A2 Integrated reservoir optimization
08/16/2006EP1690580A1 Filter tube
08/16/2006EP1689974A1 Multi-purpose well bores and method for accessing a subterranean zone from the surface
08/16/2006EP1689973A1 Hydrocarbon recovery from impermeable oil shales
08/16/2006EP1689972A1 Methods for geomechanical fracture modeling
08/16/2006EP1689971A1 Method and system for injecting a treatment fluid into a well
08/16/2006CN2806889Y Energy-saving power device for oil pumping unit
08/16/2006CN2806824Y Lock brake device for oil pumping unit
08/16/2006CN2806769Y Coal-bed gas recovery system
08/16/2006CN2806760Y Composite carrier injection plant unit for petroleum thermal production
08/16/2006CN2806759Y Filtering sand pipe device with steel bar joint welding-net tube
08/16/2006CN2806758Y Load shock-absorber assembly for rod-pumped well
08/16/2006CN2806757Y Negative pressure control fitting device
08/16/2006CN2806745Y Wearable dead-space adjuster for rod-pumped well
08/16/2006CN1820121A A pipe separator with improved separation
08/16/2006CN1820120A A method and device for separation of a fluid, in particular oil, gas and water.
08/16/2006CN1818335A Trial four-linking technology
08/16/2006CN1818334A Synchronizing flow seal-verification testing method and tester thereof
08/16/2006CN1818333A Double-stage assembled sand-proofing device for oil-gas well
08/16/2006CN1818332A Double-stage assembled sand-proofing method for oil-gas well
08/16/2006CN1818331A Primary sand-proofing method for laminated sieve pipe
08/16/2006CN1818330A Final sand-proofing method for oil-gas well
08/16/2006CN1818329A Multi-stage assembled sand-proof method for oil-gas well
08/16/2006CN1818328A Cracking four-linking technology
08/16/2006CN1818327A Reciprocating petroleum beam-pumping unit with hydraulic transmission
08/16/2006CN1818326A Cracking exploitation for reussin mine
08/16/2006CN1270051C In situ recovery from hydrocarbon contg. formation
08/16/2006CN1270050C Oil field separated layer water injection well underground water-injection tubular column and complete measuring apparatus
08/16/2006CN1270049C Method for recovering uneven oil reservoir
08/16/2006CN1270048C Method and system for reducing longitudinal fluid flow around permeable well tube
08/15/2006US7091460 In situ processing of hydrocarbon-bearing formations with variable frequency automated capacitive radio frequency dielectric heating
08/15/2006US7091160 Methods and compositions for reducing subterranean formation permeabilities
08/15/2006US7090025 Methods and apparatus for reforming and expanding tubulars in a wellbore
08/15/2006US7090024 Tubing anchor
08/15/2006US7090022 Sealed multilateral junction system
08/15/2006US7090017 pumping a mixture of fracture fluid and sand suspension into a centrifugal pump to adjust the concentration, then injecting the mixture downhole into the subterranean formation using a separate pump
08/15/2006US7090016 Well having inhibited microbial growth
08/15/2006US7090015 Methods of treating subterranean zones and viscous aqueous fluids containing xanthan and a combination cross-linker—breaker
08/15/2006US7090014 Process for sequentially applying SAGD to adjacent sections of a petroleum reservoir
08/15/2006US7090013 In situ thermal processing of a hydrocarbon containing formation to produce heated fluids
08/15/2006US7090009 Three-dimensional well system for accessing subterranean zones
08/15/2006US7090006 Replaceable liner for metal lined composite risers in offshore applications
08/15/2006US7090005 Tubular expansion apparatus and method
08/15/2006CA2462183C Pump rod clamp and blowout preventer
08/15/2006CA2433645C System and method for fail-safe disconnect from a subsea well
08/15/2006CA2432355C Control of fine particulate flowback in subterranean wells
08/15/2006CA2239641C Continuous running gear pump brake system
08/10/2006WO2006084236A1 A composition and method for making a proppant
08/10/2006WO2006083497A2 Pumping system and method for recovering fluid from a well
08/10/2006WO2006082416A1 Methods of creating high porosity propped fractures
08/10/2006WO2006082364A1 Reservoir monitoring system
08/10/2006WO2006082359A1 Compositions and methods for improving fracture conductivity in a subterranean well
08/10/2006WO2006014548A3 Water maker and electronic generation from natural gas
08/10/2006US20060178277 Fracturing method using aqueous or acid based fluids
08/10/2006US20060178273 Removing cuttings from the bit by circulating a drilling fluid containing a polysaccharide and a polyacrylamide homopolymer (molecular weight 20,000 to less than 40,000 daltons) to maintain stability of the fluid at greater than 250 degrees F; formate is not required
08/10/2006US20060175064 Electric submersible pumps
08/10/2006US20060175063 Method and apparatus for a cold flow subsea hydrocarbon production system
08/10/2006US20060175061 Method for Recovering Hydrocarbons from Subterranean Formations
08/10/2006US20060175059 Soluble deverting agents
08/10/2006US20060175058 Methods of creating high-porosity propped fractures using reticulated foam
08/10/2006US20060175056 Instrumented Packer
08/10/2006US20060175055 Device for installation of a profile liner in a well
08/09/2006EP1687509A1 Method for delivering a multi-phase mixture and pump installation
08/09/2006EP1687508A1 Method of reducing sand production from a wellbore
08/09/2006EP1687504A2 System for extracting natural gas hydrate
08/09/2006EP0975992B1 Pressure impulse telemetry apparatus and method
08/09/2006CN2804496Y Belt wrap angle regulator of beam unit
08/09/2006CN2804434Y Side input valve of oil pump
08/09/2006CN2804433Y Soft sealed telescopiform, anti-eccentric grinding high viscosity oil pump
08/09/2006CN2804385Y Hollowed armoured glass balls for impact fracturing blocking removing of reservoir
08/09/2006CN2804384Y Environment protection white steel insulation quilt
08/09/2006CN2804383Y Sand preventer of eccentric water injection allocator
08/09/2006CN2804382Y Compound sand-proof circular flow pipe with spirally distributed stretched holes
08/09/2006CN2804381Y Integral pipe string for separation preventing and filling in small dismeter
08/09/2006CN2804380Y Multifunction sucking aid of sucker rod
08/09/2006CN2804363Y Hot extraction casing head with double casing slip
08/09/2006CN2804358Y Auto liquid discharger of underbalance drilling combustion pipeline
08/09/2006CN1814987A Fire-drive oil-production ignition method for metamorphic rock burial hill high-cogulation oil pool
08/08/2006US7089167 Evaluation of reservoir and hydraulic fracture properties in multilayer commingled reservoirs using commingled reservoir production data and production logging information
08/08/2006US7086807 Subsea connection apparatus
08/08/2006US7086669 Method and apparatus for sealing radially expanded joints
08/08/2006US7086484 Determination of thermal properties of a formation
08/08/2006US7086482 Recovery of hydrocarbons in oil wells by injection of treated inert gases obtained from the industrial effluence
08/08/2006US7086480 Tubing anchor
08/08/2006US7086479 Expanding well tools
08/08/2006US7086478 Apparatus and methods for expanding tubulars in a wellbore
08/08/2006US7086477 Tubing expansion tool
08/08/2006US7086476 Expandable devices and method
08/08/2006US7086475 Method of inserting a tubular member into a wellbore
08/08/2006US7086473 Submersible pumping system with sealing device
08/08/2006US7086471 Method and apparatus for controlling downhole flow
08/08/2006US7086470 System and method for wellbore clearing
08/08/2006US7086469 Increasing reaction efficiency of acetic acid