| 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) |
|---|
| 12/16/2009 | CN201363094Y Pipe nipple with filling and temperature-pressure measurement connection pipes |
| 12/16/2009 | CN101605965A Subterranean electro-thermal heating system and method |
| 12/16/2009 | CN101605964A Silicate-based wellbore fluid and methods for stabilizing unconsolidated formations |
| 12/16/2009 | CN101603523A Oil well pumping-assistant pump |
| 12/16/2009 | CN101603417A Adjustable balanced type walking-beam pumping unit with single connecting rod structure connected at lower part of crank |
| 12/16/2009 | CN101603416A Adjustable balanced type walking-beam pumping unit with double connecting rods connected upwards |
| 12/16/2009 | CN101603415A Multiple well pumping unit |
| 12/16/2009 | CN101603411A Drilling rig and drilling method |
| 12/16/2009 | CN100569889C Under-neutralized alkylxylene sulfonic acid composition for enhanced oil recovery processes |
| 12/16/2009 | CA2668129A1 Method and apparatus for exposing a servicing apparatus to multiple formation zones |
| 12/15/2009 | US7634395 Method of generating a conforming hybrid grid in three dimensions of a heterogeneous formation crossed by one or more geometric discontinuities in order to carry out simulations |
| 12/15/2009 | US7631706 Methods, systems and apparatus for production of hydrocarbons from a subterranean formation |
| 12/15/2009 | US7631696 Zone isolation assembly array for isolating a plurality of fluid zones in a subsurface well |
| 12/15/2009 | US7631694 Downhole steam injection splitter |
| 12/15/2009 | US7631691 Methods of treating a subterranean formation to convert organic matter into producible hydrocarbons |
| 12/15/2009 | US7631690 Heating hydrocarbon containing formations in a spiral startup staged sequence |
| 12/15/2009 | US7631689 Sulfur barrier for use with in situ processes for treating formations |
| 12/15/2009 | CA2537920C Methods and compositions for treating subterranean zones utilizing delayed breaker compositions |
| 12/15/2009 | CA2520056C Methods and compositions for improving hydrocarbon recovery by water flow intervention |
| 12/15/2009 | CA2475634C Sealing tubing |
| 12/15/2009 | CA2466399C Composite silica proppant material |
| 12/15/2009 | CA2446628C A gas lift method with surfactant injection |
| 12/15/2009 | CA2443390C Methods of treating subterranean zones penetrated by well bores |
| 12/15/2009 | CA2437987C Modeling of reservoir stimulation treatment |
| 12/15/2009 | CA2401668C Power generation using batteries with reconfigurable discharge |
| 12/15/2009 | CA2397040C Oil and gas production optimization using dynamic surface tension reducers |
| 12/15/2009 | CA2385605C A method of improving the permeability of an underground petroleum-containing formation |
| 12/15/2009 | CA2385596C Lubricant coating for expandable tubular members |
| 12/15/2009 | CA2366350C Method for treatment of underground reservoirs |
| 12/15/2009 | CA2283157C Methods and materials for degrading xanthan |
| 12/10/2009 | WO2009149255A2 Fixed swirl inducing blast liner |
| 12/10/2009 | WO2009149033A1 Collection and lift modules for use in a wellbore |
| 12/10/2009 | WO2009149031A2 Multi-point injection system for oilfield operations |
| 12/10/2009 | WO2009148831A2 Methods of treating a hydrocarbon-bearing formation, a well bore, and particles |
| 12/10/2009 | WO2009148723A1 Inter and intra-reservoir flow controls |
| 12/10/2009 | WO2009148569A1 The stimulation of biogenic gas generation in deposits of carbonaceus material |
| 12/10/2009 | WO2009147446A2 Gas injection control devices and methods of operation thereof |
| 12/10/2009 | WO2009147394A1 Methods of treating subterranean formations utilizing servicing fluids comprising liquefied petroleum gas and apparatus thereof |
| 12/10/2009 | WO2009147040A2 Christmas tree for use on a well |
| 12/10/2009 | WO2009146713A1 A pumping device for pumping fluid |
| 12/10/2009 | WO2009146563A1 Wellbore fluid treatment process and installation |
| 12/10/2009 | WO2009111804A3 Heat generator for screen deployment |
| 12/10/2009 | WO2009111772A3 Buffer for explosive device |
| 12/10/2009 | WO2009111544A3 Slip hanger assembly and actuator |
| 12/10/2009 | WO2009094308A3 Pressure balanced piston for subsurface safety valves |
| 12/10/2009 | WO2009085985A3 System and methods for actuating reversibly expandable structures |
| 12/10/2009 | US20090304454 Workover Riser Compensator System |
| 12/10/2009 | US20090301733 Expandable tubular |
| 12/10/2009 | US20090301731 mixing particles such as ceramic, sand with water to form a treatment fluid, introducing the fluid in a subterranean formation, introducing tetrafluoroethylene an active material into the formation to form a oil-wet coating of active material, facilitates movement of aqueous treatment fluid through well |
| 12/10/2009 | US20090301730 Apparatus and methods for inflow control |
| 12/10/2009 | US20090301729 Device for Controlling Slugging |
| 12/10/2009 | US20090301728 Apparatus and method for recovering fluids from a well and/or injecting fluids into a well |
| 12/10/2009 | US20090301727 Apparatus and method for recovering fluids from a well and/or injecting fluids into a well |
| 12/10/2009 | US20090301725 Proppant Addition Method and System |
| 12/10/2009 | US20090301724 Methods of producing alkylated hydrocarbons from an in situ heat treatment process liquid |
| 12/10/2009 | US20090301723 Interface for deploying wireline tools with non-electric string |
| 12/10/2009 | US20090301722 System, method, and apparatus for injection well clean-up operations |
| 12/10/2009 | US20090301721 Downhole Cyclic Pressure Pulse Generator And Method For Increasing The Permeability Of Pay Reservoir |
| 12/10/2009 | US20090301719 Methods of Treating Subterranean Formations Utilizing Servicing Fluids Comprising Liquefied Petroleum Gas and Apparatus Thereof |
| 12/10/2009 | US20090301718 System, Method and Apparatus for Enhanced Friction Reduction In Gravel Pack Operations |
| 12/10/2009 | US20090301717 Method and a device for destructing organic material in injection water and use of injection water for generation of destructive hydroxyl radicals |
| 12/10/2009 | US20090301714 Composition and Method For Using Waxy Oil-External Emulsions To Modify Reservoir Permeability Profiles |
| 12/10/2009 | US20090301712 Inert Substrate-Bonded Fluoroelastomer Components and Related Methods |
| 12/10/2009 | US20090301708 Parallel fracturing system for wellbores |
| 12/10/2009 | US20090301704 Recovery of Hydrocarbons Using Horizontal Wells |
| 12/10/2009 | CA2726696A1 A pumping device for pumping fluid |
| 12/10/2009 | CA2726207A1 Wellbore fluid treatment process and installation |
| 12/10/2009 | CA2725638A1 Collection and lift modules for use in a wellbore |
| 12/10/2009 | CA2668784A1 Method and apparatus for electrokinetic extraction of heavy oil |
| 12/10/2009 | CA2668243A1 System and method for producing power from thermal energy stored in a fluid produced during heavy oil extraction |
| 12/09/2009 | EP2129861A1 An apparatus for venting an annular space between a liner and a pipeline of a subsea riser |
| 12/09/2009 | CN201359004Y Structure of crank pinhole of pumping unit |
| 12/09/2009 | CN201358917Y Ground drive system for oil extraction screw pump |
| 12/09/2009 | CN201358908Y Deceleration or variable speed starter |
| 12/09/2009 | CN201358776Y Oil-water boundary level anti-wave device of electric dehydrating and electric desalting device for marine oil extraction |
| 12/09/2009 | CN201358775Y Controllable liquid-injecting pipe convenient to descending well and lifting |
| 12/09/2009 | CN201358774Y Novel liquid supply system for oil filed hydraulic fracturing construction |
| 12/09/2009 | CN201358773Y High-pressure steam heat-washing heating device of metering plant |
| 12/09/2009 | CN201358772Y Water distributor |
| 12/09/2009 | CN201358771Y Restrictor capable of adjusting opening pressure of sliding sleeve |
| 12/09/2009 | CN201358770Y Tubing drain |
| 12/09/2009 | CN201358769Y Two-position three-way automatic control pressure relief valve |
| 12/09/2009 | CN201358768Y Retrievable coaxial simultaneous entry type enhanced perforator |
| 12/09/2009 | CN201358767Y Exhaust gun breech of full bore perforation of oil-gas well |
| 12/09/2009 | CN201358766Y Pressure detonator of full bore perforation of oil-gas well |
| 12/09/2009 | CN201358765Y Sand control device of stainless steel screen |
| 12/09/2009 | CN201358764Y Balance weight structure of vertical oil extractor |
| 12/09/2009 | CN201358763Y Belt shock absorber used for tower-type belt oil extractor |
| 12/09/2009 | CN201358762Y Improved oil extractor with energy-saving realization capability |
| 12/09/2009 | CN201358761Y Viscous crude oil pumping unit with low-frequency stroke |
| 12/09/2009 | CN201358760Y Oil and gas production pipe |
| 12/09/2009 | CN201358753Y Oil field water injection well screw-plug liquid feeding uniflow valve filter |
| 12/09/2009 | CN101600549A Polyamide beads and method for producing such beads |
| 12/09/2009 | CN101598522A Delivery and initiation device for deflagration and fracturing liquid explosive in hydraulic fracture and application thereof |
| 12/09/2009 | CN101598193A Shift reducer special for oil field |
| 12/09/2009 | CN101598014A Perforation simulated target device for high temperature and high pressure laboratory |
| 12/09/2009 | CN101598013A Oil extractor balance weight method and high efficient energy saving beam oil extractor |
| 12/09/2009 | CN101598010A Anti-pollution back pressure valve tool |
| 12/09/2009 | CN101598008A Switch valve device at the top of heat injection column in thermal recovery wellhead |
| 12/09/2009 | CN101597108A Method for reducing scaling between oil field oil extraction transportation system and stratum |