| 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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| 07/21/2009 | US7563750 Methods and compositions for the diversion of aqueous injection fluids in injection operations |
| 07/21/2009 | US7562714 Casing patch overshot |
| 07/21/2009 | US7562712 Setting tool for hydraulically actuated devices |
| 07/21/2009 | US7562711 Hydraulic injection of biocide into tanks |
| 07/21/2009 | US7562709 Gravel pack apparatus that includes a swellable element |
| 07/21/2009 | US7562708 Method and apparatus for capture and sequester of carbon dioxide and extraction of energy from large land masses during and after extraction of hydrocarbon fuels or contaminants using energy and critical fluids |
| 07/21/2009 | US7562707 Heating hydrocarbon containing formations in a line drive staged process |
| 07/21/2009 | US7562706 Systems and methods for producing hydrocarbons from tar sands formations |
| 07/21/2009 | US7562701 Eccentric wellhead hydraulic drive unit |
| 07/21/2009 | CA2499228C Multi-lateral wellbore systems and methods for forming same |
| 07/21/2009 | CA2497027C Apparatus and methods for utilizing a downhole deployment valve |
| 07/21/2009 | CA2485123C Multiple zone downhole intelligent flow control valve system and method for controlling commingling of flows from multiple zones |
| 07/21/2009 | CA2422832C Downhole tubular string connections |
| 07/21/2009 | CA2410414C Enhanced oil recovery by in situ gasification |
| 07/16/2009 | WO2009089528A2 Subsea drilling system and method for operating the drilling system |
| 07/16/2009 | WO2009089524A2 Method and device for subsea wire line drilling |
| 07/16/2009 | WO2009089433A2 Electric submersible pump (esp) having a motor with mechanically locked stator laminations |
| 07/16/2009 | WO2009089232A2 Particles in oil for viscoelastic surfactant gelled fluids |
| 07/16/2009 | WO2009088624A2 Apparatus for reducing water production in gas wells |
| 07/16/2009 | WO2009088621A2 Delayed acting gravel pack fluid loss valve |
| 07/16/2009 | WO2009088620A2 Screen coupler for modular screen packs |
| 07/16/2009 | WO2009088424A2 Sand control screen assembly and method for use of same |
| 07/16/2009 | WO2009088317A1 Elongated particles for fracturing and gravel packing |
| 07/16/2009 | WO2009088315A1 Coated proppant and method of proppant flowback control |
| 07/16/2009 | WO2009088294A1 Assembly and method for production of gas or gas and condensate/oil |
| 07/16/2009 | WO2009088293A1 Method for self-adjusting (autonomously adjusting) the flow of a fluid through a valve or flow control device in injectors in oil production |
| 07/16/2009 | WO2009087444A1 Method of operating an oil well |
| 07/16/2009 | WO2009087069A1 Method of drilling a wellbore |
| 07/16/2009 | WO2009087068A2 Method of expanding a tubular element in a wellbore |
| 07/16/2009 | WO2009066034A3 Hydrocarbon production plant and process |
| 07/16/2009 | WO2009009190A3 Porous tubular structures |
| 07/16/2009 | US20090178808 Convertible seal |
| 07/16/2009 | US20090178807 Non-spherical Well Treating Particulates And Methods of Using the Same |
| 07/16/2009 | US20090178806 Combined miscible drive for heavy oil production |
| 07/16/2009 | US20090178805 Production of natural gas from hydrates |
| 07/16/2009 | US20090178804 Downhole communication system and method |
| 07/16/2009 | US20090178803 Method of heating sub sea esp pumping system |
| 07/16/2009 | US20090178801 Methods for injecting a consolidation fluid into a wellbore at a subterranian location |
| 07/16/2009 | US20090178798 Fracturing isolation sleeve |
| 07/16/2009 | CA2711624A1 Electric submersible pump (esp) having a motor with mechanically locked stator laminations |
| 07/16/2009 | CA2711376A1 Assembly and method for production of gas, or gas and condensate/oil |
| 07/16/2009 | CA2711371A1 Method for self-adjusting (autonomously adjusting) the flow of a fluid through a valve or flow control device in injectors in oil production |
| 07/16/2009 | CA2710802A1 Method of drilling a wellbore |
| 07/16/2009 | CA2710528A1 Apparatus for reducing water production in gas wells |
| 07/15/2009 | EP2078185A1 Method and apparatus for measuring in-situ stress of rock using thermal crack |
| 07/15/2009 | EP1945902B1 Device for controlling slugging |
| 07/15/2009 | EP1913233B1 System for cyclic injection and production from a well |
| 07/15/2009 | CN201273183Y Oil well head axial rotational flow desander |
| 07/15/2009 | CN201273182Y Double-closed loop automatic control apparatus for liquid level of blending vehicle |
| 07/15/2009 | CN201273181Y Air pressure type oil production device |
| 07/15/2009 | CN201273180Y Filling sand-proof sand-adding apparatus |
| 07/15/2009 | CN201273179Y Flushing oil pump |
| 07/15/2009 | CN201273178Y Double-pumping rod type oil pumping machine |
| 07/15/2009 | CN201273177Y Self-balancing type linear motor oil pumping machine |
| 07/15/2009 | CN201273176Y Tower frame and balance beam combined linear motor oil pumping machine |
| 07/15/2009 | CN101484662A Recovery of hydrocarbons using horizontal wells |
| 07/15/2009 | CN101482006A Combined heat and power generation system used for oil field |
| 07/15/2009 | CN101482005A Down-hole gross coal dirt-discharging and mine water treating combined process |
| 07/15/2009 | CN101482004A Double-filtering layer meander circular seam self-cleaning sieve tube |
| 07/15/2009 | CN101482003A Drilling method for steam assisted gravity draining oil well |
| 07/15/2009 | CN100513740C Method in situ recovery from a hydrocarbon containing formation using barriers |
| 07/15/2009 | CN100513739C Differential balance pressure oil-pumping unit |
| 07/15/2009 | CN100513738C Method for determining oil pumping machine well system parameter |
| 07/14/2009 | US7560419 Method and biodegradable super absorbent composition for preventing or treating lost circulation |
| 07/14/2009 | US7559582 Tubing connection arrangement |
| 07/14/2009 | US7559375 Flow control device for choking inflowing fluids in a well |
| 07/14/2009 | US7559374 Dual function cleaning tool |
| 07/14/2009 | US7559373 Process for fracturing a subterranean formation |
| 07/14/2009 | US7559372 tertiary oil recovery, introducing aqueous solution of a dissolved ammonia compound, and butyl alcohol into the hydrocarbon formation; cost effective recovery of residual oil trapped in the reservoir; surfactant-free |
| 07/14/2009 | US7559369 Well treatment composition and methods utilizing nano-particles |
| 07/14/2009 | US7559368 Solution mining systems and methods for treating hydrocarbon containing formations |
| 07/14/2009 | US7559367 Temperature limited heater with a conduit substantially electrically isolated from the formation |
| 07/14/2009 | US7559365 Collapsible expansion cone |
| 07/14/2009 | US7559363 Wiper darts for subterranean operations |
| 07/14/2009 | US7559362 Downhole flow reversal apparatus |
| 07/14/2009 | US7559357 Frac-pack casing saver |
| 07/14/2009 | CA2574132C Tubing connection arrangement |
| 07/14/2009 | CA2565174C Aqueous-based tackifier fluids and methods of use |
| 07/14/2009 | CA2527012C Gas-pressurized lubricator |
| 07/14/2009 | CA2475631C Sealing expandable tubing |
| 07/14/2009 | CA2469752C Method of screen or pipe expansion downhole without addition of pipe at the surface |
| 07/14/2009 | CA2468189C Tubing connector |
| 07/14/2009 | CA2369473C Sand barrier for a level 3 multilateral wellbore junction |
| 07/14/2009 | CA2346585C Apparatus and method for separating gas and solids from well fluids |
| 07/14/2009 | CA2288492C Unconsolidated zonal isolation and control |
| 07/11/2009 | CA2648540A1 Combined miscible drive for heavy oil production |
| 07/10/2009 | CA2700244A1 Installation for enhanced oil recovery using water-soluble polymers, method implementing same |
| 07/09/2009 | WO2009085955A2 Conductivity enhancing structures for use with proppants in oil and gas wells |
| 07/09/2009 | WO2009085903A1 Casing deformation and control for inclusion propagation |
| 07/09/2009 | WO2009085760A2 Electric submersible pump (esp) with recirculation capability |
| 07/09/2009 | WO2009085615A2 Borehole imaging and orientation of downhole tools |
| 07/09/2009 | WO2009085353A1 Monitoring, controlling and enhancing processes while stimulating a fluid-filled borehole |
| 07/09/2009 | WO2009085347A1 High power microwave petroleum recovery and refinement |
| 07/09/2009 | WO2009085341A2 Wireless perforating gun initiation |
| 07/09/2009 | WO2009085112A2 Nano particle reinforced polymer element for a stator and rotor assembly |
| 07/09/2009 | WO2009084813A1 An apparatus for prevention of mud hardening in drain holding tank |
| 07/09/2009 | WO2009083243A1 Real-time measurement of reservoir fluid properties |
| 07/09/2009 | WO2009082888A1 Submarine device |
| 07/09/2009 | WO2009061387A3 Wellsite measurement and control while producing device |
| 07/09/2009 | WO2009055354A3 Water dissolvable released material used as inflow control device |