| 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) |
|---|
| 08/12/2008 | US7409997 Electric submersible pump with specialized geometry for pumping viscous crude oil |
| 08/12/2008 | US7409993 Weight spacer apparatus |
| 08/12/2008 | US7409992 Perforating gun |
| 08/12/2008 | US7409911 Propellant for fracturing wells |
| 08/12/2008 | CA2486914C Mitigation of proppant sticking in removing downhole tools |
| 08/12/2008 | CA2440619C Expandable coupling |
| 08/12/2008 | CA2400051C Artificial lift apparatus with automated monitoring characteristics |
| 08/12/2008 | CA2299580C Live well deployment of electrical submersible pump |
| 08/07/2008 | WO2008095113A2 Chemical-injection management system |
| 08/07/2008 | WO2008094944A1 System and method for performing oilfield drilling operations using visualization techniques |
| 08/07/2008 | WO2008094360A1 Reducted friction pressure gravel pack slurry |
| 08/07/2008 | WO2008093264A1 Simulations for hydraulic fracturing treatments and methods of fracturing naturally fractured formation |
| 08/07/2008 | WO2008093047A1 Hydrajet bottomhole completion tool and process |
| 08/07/2008 | WO2008092241A1 A method for providing a preferential specific injection distribution from a horizontal injection well |
| 08/07/2008 | WO2008076567A3 Apparatus and method for processing fluids from a well |
| 08/07/2008 | WO2008076565A3 Apparatus and method for processing fluids from a well |
| 08/07/2008 | WO2008073612A3 Oilfield operational system and method |
| 08/07/2008 | WO2008070035A8 Particle stabilized emulsions for enhanced hydrocarbon recovery |
| 08/07/2008 | WO2008066572A3 Perforating system comprising an energetic material |
| 08/07/2008 | US20080185153 Subsea intervention with compliant guide |
| 08/07/2008 | US20080185151 Hydrocarbon production system and method of use |
| 08/07/2008 | US20080185149 System and method for enhancing permeability of a subterranean zone at a horizontal well bore |
| 08/07/2008 | US20080185148 Whipstock assembly for forming a window within a wellbore casing |
| 08/07/2008 | US20080185147 Wax barrier for use with in situ processes for treating formations |
| 08/07/2008 | US20080185146 Reduced friction pressure gravel pack slurry |
| 08/07/2008 | US20080185145 Methods for extracting oil from tar sand |
| 08/07/2008 | US20080185141 Plunger lift system |
| 08/07/2008 | CA2676679A1 A method for providing a preferential specific injection distribution from a horizontal injection well |
| 08/07/2008 | CA2676675A1 Simulations for hydraulic fracturing treatments and methods of fracturing naturally fractured formation |
| 08/07/2008 | CA2675531A1 System and method for performing oilfield drilling operations using visualization techniques |
| 08/07/2008 | CA2673935A1 Proppant, proppant production method and use of proppant |
| 08/06/2008 | EP1953336A2 Inflow control device with fluid loss and gas production controls |
| 08/06/2008 | EP1953335A2 Apparatus for controlling the inflow of production fluids from a subterranean well |
| 08/06/2008 | EP1952075A1 Probe end piece |
| 08/06/2008 | EP1678408A4 Three in one combined power unit for nitrogen system, fluid system, and coiled tubing system |
| 08/06/2008 | EP1339949B1 Coating for preventing erosion of wellbore components |
| 08/06/2008 | CN201096085Y Oil pumping machine dedicated belt-tightening device |
| 08/06/2008 | CN201096081Y Sandproof descaling oil pump |
| 08/06/2008 | CN201095979Y Oilfield single-well liquid-gas separation sample amount contrasting correcting flux automatic gauging device |
| 08/06/2008 | CN201095978Y Well logging salvaging oil extraction vehicle |
| 08/06/2008 | CN201095977Y Gas lift pipe column for hot washing protective oil layer and no-killing operation |
| 08/06/2008 | CN201095976Y Regulating balance block dedicated tool |
| 08/06/2008 | CN101238273A 管道膨胀器 Pipe expander |
| 08/06/2008 | CN101238272A Apparatus and methods for creation of down hole annular barrier |
| 08/06/2008 | CN101238271A 可膨胀的流动控制装置 The flow control means can be expanded |
| 08/06/2008 | CN101238270A Methods and compositions for determination of fracture geometry in subterranean formations |
| 08/06/2008 | CN101235814A Horizontal trolley type oil pumping machine |
| 08/06/2008 | CN101235712A Method for reducing damage of hydraulic fracturing liquid to oil layer |
| 08/06/2008 | CN101235711A Hollow sucker rod electric heater unit |
| 08/06/2008 | CN101235709A Petroleum engineering circulating gas regeneration method and its special equipment |
| 08/06/2008 | CN100408805C Oil-water media automatic cleaning filter |
| 08/06/2008 | CN100408220C Protective sleeve for threaded connections for expandable liner hanger |
| 08/06/2008 | CA2619544A1 Plunger lift system |
| 08/06/2008 | CA2583041A1 Plunger lift system |
| 08/05/2008 | US7407118 Atomization jet assembly |
| 08/05/2008 | US7407013 Expandable well screen with a stable base |
| 08/05/2008 | US7407010 Methods of coating particulates |
| 08/05/2008 | US7407007 System and method for isolating flow in a shunt tube |
| 08/05/2008 | US7407006 System for logging formations surrounding a wellbore |
| 08/05/2008 | CA2619826A1 Real time optimization of power in electrical submersible pump variable speed applications |
| 08/05/2008 | CA2523474C Method for improved vertical sweep of oil reservoirs |
| 08/05/2008 | CA2518344C Automatic tool release |
| 08/05/2008 | CA2517341C Use of sensors with well test equipment |
| 08/05/2008 | CA2482290C Cement-through, tubing-retrievable safety valve |
| 08/05/2008 | CA2394028C Process for treating an oil well |
| 08/05/2008 | CA2349188C Wellbore system including a conduit and an expandable device |
| 08/05/2008 | CA2337104C Connector for expandable well screen |
| 08/05/2008 | CA2276520C Right angle drive adaptor for use with a vertical drive head in an oil well progressing cavity pump drive |
| 07/31/2008 | WO2008091971A1 Well treating agents of metallic spheres and methods of using the same |
| 07/31/2008 | WO2008091405A2 Stimulation and recovery of heavy hydrocarbon fluids |
| 07/31/2008 | WO2007098370A3 Kerogen extraction from subterranean oil shale resources |
| 07/31/2008 | WO2006001974A3 Pressure monitoring of control lines for tool position feedback |
| 07/31/2008 | US20080182763 Vesicles for carrying through conduit, separated by surface active material bilayer composed of phospholipids, alkyl polyglycosides, gemini surfactants, sorbitan monooleate, and/or sorbitan trioleate |
| 07/31/2008 | US20080182699 Transmission System for Pump Drive |
| 07/31/2008 | US20080179062 Hydrocarbon-acid emulsion compositions and associated methods |
| 07/31/2008 | US20080179061 System, apparatus and method for abrasive jet fluid cutting |
| 07/31/2008 | US20080179060 Including a stabilizing plate, bar or tube of copper or silver metal, alloy or complex submerged in the liquid phase of alkyl iodide and which synergistically acts to repress the decomposition of the liquid alkyl iodine and the generation of iodine gas with high efficiency; corrosion resistance |
| 07/31/2008 | US20080179057 Well Treating Agents of Metallic Spheres and Methods of Using the Same |
| 07/31/2008 | US20080178721 Production casing ripper |
| 07/31/2008 | CA2821500A1 Casing valves system for selective well stimulation and control |
| 07/31/2008 | CA2664534A1 Stimulation and recovery of heavy hydrocarbon fluids |
| 07/30/2008 | EP1950374A2 Inflow control devices for sand control screens |
| 07/30/2008 | EP1950373A2 Well screen fabrication |
| 07/30/2008 | EP1948903A1 Controlling pressure and static charge within a wellbore |
| 07/30/2008 | EP1948902A2 Controlling the pressure within an annular volume of a wellbore |
| 07/30/2008 | EP1844212B1 Use of aqueous dispersions for tertiary petroleum production |
| 07/30/2008 | EP1680573B1 Expandable wellbore assembly |
| 07/30/2008 | EP1587598A4 Polyether polyesters having anionic functionality |
| 07/30/2008 | CN201092954Y Safety braking device for oil pump |
| 07/30/2008 | CN201092953Y Double jet nozzles stirring type jet pump |
| 07/30/2008 | CN201092952Y Hydraulic brake type single screw oil well pump surface drive |
| 07/30/2008 | CN201092851Y Filtering device with compensation mechanism |
| 07/30/2008 | CN201092850Y Once packing high-low pressure filling device |
| 07/30/2008 | CN201092849Y Chain type double-well oil pump |
| 07/30/2008 | CN201092848Y Oil pump balancer |
| 07/30/2008 | CN201092847Y To-and-fro motion type electric machine energy-saving oil pump device |
| 07/30/2008 | CN201092827Y Automatic deviation correcting polished rod eye |
| 07/30/2008 | CN101233294A System for cyclic injection and production from a well |
| 07/30/2008 | CN101233293A 洞穴井系统 Well cave system |
| 07/30/2008 | CN100406676C Underground gasification production mine |