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)
12/2006
12/12/2006US7148351 Antiscaling agents
12/12/2006US7148184 Self-diverting foamed system
12/12/2006US7147788 Separating a hydrocarbon production stream into its oil, water and particle constituents
12/12/2006US7147060 Method, system and apparatus for orienting casing and liners
12/12/2006US7147059 Use of downhole high pressure gas in a gas-lift well and associated methods
12/12/2006US7147058 Method of and system for production of hydrocarbons
12/12/2006US7147057 Loop systems and methods of using the same for conveying and distributing thermal energy into a wellbore
12/12/2006US7147054 Gravel packing a well
12/12/2006US7147053 Wellhead
12/12/2006US7146835 Method and apparatus to reduce slot width in tubular members
12/12/2006US7146702 Method and apparatus for forming a mono-diameter wellbore casing
12/12/2006CA2529480C Method and apparatus for establishing branch wells at a node of a parent well
12/12/2006CA2417367C Below motor well fluid separation and conditioning
12/12/2006CA2410844C Superplastic material used in a wellbore
12/12/2006CA2398715C Sequential hydraulic control system for use in subterranean well
12/12/2006CA2356144C Method and apparatus for expanding an isolation tubing
12/12/2006CA2216430C Hydrocarbon production using multilateral well bores
12/09/2006CA2547970A1 System and method for perforating and fracturing in a well
12/09/2006CA2509649A1 Single fluid acidizing treatment
12/07/2006WO2006130748A1 Expandable flow control device
12/07/2006WO2006130652A2 Cavity well system
12/07/2006WO2006130649A2 Method and system for drilling well bores
12/07/2006WO2006129258A1 Proppants useful for prevention of scale deposition
12/07/2006WO2006032008A3 Sintered spherical pellets
12/07/2006WO2004097159A9 Thermal processes for subsurface formations
12/07/2006US20060276348 a reactive ester having at least one carbon-carbon double bond, preferably a vinyl ester of a C9 to C11 versatic acid or vinyl ester of a long chain fatty acid, a butadiene-styrene elastomer soluble in reactive ester, di or tri-functional acrylate or methacrylate monomers
12/07/2006US20060276346 Novel Fluid System Having Controllable Reversible Viscosity
12/07/2006US20060276345 Methods controlling the degradation rate of hydrolytically degradable materials
12/07/2006US20060272827 One trip cemented expandable monobore liner system and method
12/07/2006US20060272826 Apparatus and method for radially expanding a wellbore casing using and adaptive expansion system
12/07/2006US20060272821 Method and apparatus for generating fluid pressure pulses
12/07/2006US20060272820 Cement compositions comprising environmentally compatible defoaming agents and methods of use
12/07/2006US20060272816 Proppants Useful for Prevention of Scale Deposition
12/07/2006US20060272815 Invert emulsion carrier fluid and oil-wetting agent and method of using same
12/07/2006US20060272814 Expandable flow control device
12/07/2006US20060272813 Plant and a method for increased oil recovery
12/07/2006US20060272809 Wellbores utilizing fiber optic-based sensors and operating devices
12/07/2006US20060272807 One trip cemented expandable monobore liner system and method
12/07/2006US20060272805 Formation and control of gas hydrates
12/07/2006CA2610622A1 Method and system for drilling well bores
12/07/2006CA2610610A1 Cavity well system
12/07/2006CA2609061A1 Proppants useful for prevention of scale deposition
12/06/2006EP1728968A1 Method for increasing oilfield recovery rates and oil production
12/06/2006EP1727963A2 Compositions and methods for the delivery of chemical components in subterranean well bores
12/06/2006EP1727962A1 Method of injecting lift gas into a production tubing of an oil well and gas lift flow control device for use in the mehtod
12/06/2006EP1727961A1 Method and system for starting up a pipeline
12/06/2006EP1322836B1 Method and device to stabilise the production of oil wells
12/06/2006EP1259709B1 Controllable production well packer
12/06/2006CN2844499Y Multiple ver oil-extracting pump
12/06/2006CN2844497Y Electric oil-submersible oil pump with double screw rods
12/06/2006CN2844496Y Electric power saving beam pumping unit
12/06/2006CN2844495Y Long-distance beam-pumping unit of switching reduction box
12/06/2006CN2844437Y Underground oil-gas separator
12/06/2006CN2844436Y Electric-melting and panel turnover gas-injecting point controller
12/06/2006CN2844435Y Liquid-level stabilizer of puddle mixer
12/06/2006CN2844434Y Polymer ternary composite additive transferring tool of third oil-extraction closed-style
12/06/2006CN2844433Y Automatic controller of polymer dust treating system
12/06/2006CN2844432Y Stainless-steel influenting and reversed-flushing water treater with descaling and discharging functions for injection well
12/06/2006CN2844431Y Pressure blasting/perforating composite device
12/06/2006CN2844430Y Double-efficient and internal-blind hole composite hole jetter
12/06/2006CN2844429Y Self-cleaning sandproofing sieve tube with V-shaped precision micro-seam
12/06/2006CN2844428Y Special stainless-steel sandproofing sieve tube for oil field
12/06/2006CN2844427Y Offset balance device under-variable arm of beam unit
12/06/2006CN2844423Y Well sieve-tube circulation Verue
12/06/2006CN1875168A Hydrocarbon recovery from impermeable oil shales
12/06/2006CN1288383C Separator and self-airlifting method for eliminating plug flow on serious segments by utilizing same
12/06/2006CN1288351C Petroleum lifting pump
12/06/2006CN1288327C Composite for stratum treatment and method thereof
12/06/2006CN1288326C Bullet type perforating device for oil-gas well
12/05/2006US7145471 Sequential hydraulic control system for use in a subterranean well
12/05/2006US7144549 Biocide impregnation of coatings for ESP components
12/05/2006US7144512 Method of reclaiming brine solutions using an organic chelant
12/05/2006US7144503 Combined degassing and flotation tank
12/05/2006US7144243 Tubing expansion
12/05/2006US7143994 Coupling device
12/05/2006US7143826 Method for determining sand free production rate and simultaneously completing a borehole
12/05/2006US7143825 Expandable wellbore stabiliser
12/05/2006US7143572 Gas turbine system comprising closed system of fuel and combustion gas using underground coal layer
12/05/2006CA2281083C Method and apparatus for down-hole oil/water separation during oil well pumping operations
12/02/2006CA2548639A1 Method for assessing the acidity of petroleum samples by isotopic marking
12/01/2006WO2007053190A2 Low debris perforating gun system for oriented perforating
12/01/2006CA2562049A1 Low debris perforating gun system for oriented perforating
12/01/2006CA2549226A1 High-pressure injection proppant system
12/01/2006CA2508953A1 High-pressure injection proppant system
11/2006
11/30/2006WO2006128178A2 Integrated method and system for accessing and aggregating disparate remote server services
11/30/2006WO2006127981A2 Expandable liner hanger system and method
11/30/2006WO2006126886A1 A device for selective movement of well tools and also a method of using same
11/30/2006WO2006125948A1 Apparatus and method for driving casing or conductor pipe
11/30/2006US20060271299 Wellbore evaluation system and method
11/30/2006US20060270564 A mixture of a hydraulic cement and an invert emulsion of oil, water, and an emulsifying surfactant (e.g., tallow diamine substituted with 3 moles of ethylene oxide); stable for up to 3 weeks and easily displaced after being static in the well bore for more than a week
11/30/2006US20060270562 Drilling fluids with redispersible polymer powders
11/30/2006US20060266551 Shaped Charges for Creating Enhanced Perforation Tunnel in a Well Formation
11/30/2006US20060266528 Balanced continuous well string injection unit
11/30/2006US20060266527 Apparatus for radially expanding and plastically deforming a tubular member
11/30/2006US20060266526 Submersible Pumping System
11/30/2006US20060266525 Bypass system for purging air from a submersible pump
11/30/2006US20060266524 Device and a method for selective control of fluid flow between a well and surrounding rocks
11/30/2006US20060266522 Methods useful for controlling fluid loss during sand control operations
11/30/2006US20060266521 Cavity well system
11/30/2006US20060266519 Methods of improving well bore pressure containment integrity