| 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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| 06/20/2006 | US7063152 Model HCCV hydrostatic closed circulation valve |
| 06/20/2006 | US7063151 Methods of preparing and using coated particulates |
| 06/20/2006 | US7063150 Methods for preparing slurries of coated particulates |
| 06/20/2006 | US7063149 Tubing expansion with an apparatus that cycles between different diameter configurations |
| 06/20/2006 | US7063147 Method and apparatus and program storage device for front tracking in hydraulic fracturing simulators |
| 06/20/2006 | US7063145 Methods and systems for heating a hydrocarbon containing formation in situ with an opening contacting the earth's surface at two locations |
| 06/20/2006 | US7063144 Acoustic well recovery method and device |
| 06/20/2006 | US7063142 Method of applying an axial force to an expansion cone |
| 06/20/2006 | CA2727885A1 Enhanced passive ranging methodology for well twinning |
| 06/20/2006 | CA2407554C Method and apparatus for desanding wellhead production |
| 06/20/2006 | CA2273027C Methods and apparatus for enhanced recovery of viscous deposits by thermal stimulation |
| 06/20/2006 | CA2268597C Process for hydraulically fracturing oil and gas wells utilizing coiled tubing |
| 06/20/2006 | CA2130591C Effective hydrocarbon blend for removing asphaltenes |
| 06/15/2006 | WO2006062893A2 Method and apparatus for preventing slug flow in pipelines |
| 06/15/2006 | WO2006062512A1 Deepwater seal test apparatus |
| 06/15/2006 | WO2006061573A1 Seismic monitoring of heavy oil |
| 06/15/2006 | WO2006061553A1 Methods for controlling migration of particulates in a subterranean formation |
| 06/15/2006 | WO2006060917A1 Method for improving bitumen recovery from oil sands by production of surfactants from bitumen asphaltenes |
| 06/15/2006 | WO2006020827A3 Hydroforming method and apparatus |
| 06/15/2006 | WO2005094552A3 Method for increasing the production of hydrocarbon liquids and gases |
| 06/15/2006 | WO2005080749A3 Resin compositions and methods of using resin compositions to control proppant flow-back |
| 06/15/2006 | US20060128990 Non-corrosive amphoteric surfactants and method of well treatment |
| 06/15/2006 | US20060124362 Floating head reaction turbine rotor with improved jet quality |
| 06/15/2006 | US20060124352 Control systems and methods for active controlled bottomhole pressure systems |
| 06/15/2006 | US20060124319 Completion apparatus and methods for use in wellbores |
| 06/15/2006 | US20060124313 Pipe separator for the separation of fluids, particularly oil, gas and water |
| 06/15/2006 | US20060124311 System and Method for Completing Multiple Well Intervals |
| 06/15/2006 | US20060124310 System for Completing Multiple Well Intervals |
| 06/15/2006 | US20060124309 Methods of controlling sand and water production in subterranean zones |
| 06/15/2006 | US20060124304 Method of creating a zonal isolation in an underground wellbore |
| 06/15/2006 | US20060124303 Low-quality particulates and methods of making and using improved low-quality particulates |
| 06/15/2006 | US20060124302 Well treating compositions for slow release of treatment agents and methods of using the same |
| 06/15/2006 | US20060124301 Slow release scale inhibitor composites and methods of using the same |
| 06/15/2006 | US20060124298 Pumping water from a natural gas well |
| 06/15/2006 | US20060124295 Expandable fluted liner hanger and packer system |
| 06/15/2006 | US20060124294 Internal shock absorber bypass plunger |
| 06/15/2006 | US20060124292 Internal shock absorber plunger |
| 06/15/2006 | CA2593014A1 Seismic monitoring of heavy oil |
| 06/15/2006 | CA2590193A1 Method and apparatus to deliver energy in a well system |
| 06/14/2006 | EP1669540A1 Device for controlling fluid communication in a wellbore |
| 06/14/2006 | EP1668287A1 Positive pressure gas jacket for a natural gas pipeline |
| 06/14/2006 | EP1438481B1 Treating composition |
| 06/14/2006 | DE102004060324A1 Pumpenanordnung zur Förderung einer Flüssigkeit aus einem Bohrloch Pump arrangement for the promotion of a liquid from a well bore |
| 06/14/2006 | CN2787874Y Looseness prevention type crank pin assembly |
| 06/14/2006 | CN2787872Y Big flow channel feedback type pumping unit |
| 06/14/2006 | CN2787827Y Device for increasing water flooding horizon of water flooding well |
| 06/14/2006 | CN2787826Y Device for downhole oil release and steam injection |
| 06/14/2006 | CN2787824Y Support type oil release device |
| 06/14/2006 | CN1787361A Method for operating flexible powering frequency changing regulating speed control apparatus of direct control oil pumping unit |
| 06/14/2006 | CN1786412A Portable well logging/perforating ground system |
| 06/14/2006 | CN1786411A Method for optimizing area well net of enhancing lowest permeable reservoir oil extracting amount |
| 06/14/2006 | CN1786410A Method for recognizing damping coefficient of oil-well sucker rod pumping system |
| 06/14/2006 | CN1786101A Microcapsule degelling agent and its preparation method |
| 06/14/2006 | CA2628778A1 Technique and apparatus for completing multiple zones |
| 06/13/2006 | US7062420 Production optimization methodology for multilayer commingled reservoirs using commingled reservoir production performance data and production logging information |
| 06/13/2006 | US7059432 Cup-shaped rock drill head |
| 06/13/2006 | US7059428 Monitoring a reservoir in casing drilling operations using a modified tubular |
| 06/13/2006 | US7059415 Wellbore system with annular seal member |
| 06/13/2006 | US7059414 Acidizing stimulation method using a pH buffered acid solution |
| 06/13/2006 | US7059413 Method for intensification of high-viscosity oil production and apparatus for its implementation |
| 06/13/2006 | US7059411 Process of using a propellant treatment and continuous foam removal of well debris and apparatus therefore |
| 06/13/2006 | US7059410 Method and system for reducing longitudinal fluid flow around a permeable well |
| 06/13/2006 | US7059407 Method and apparatus for stimulation of multiple formation intervals |
| 06/13/2006 | US7059406 Production-enhancing completion methods |
| 06/13/2006 | US7059405 Methods of treating subterranean formations using low-molecular-weight fluids |
| 06/13/2006 | US7059404 Variable intensity memory gravel pack imaging apparatus and method |
| 06/13/2006 | US7059403 Electroacoustic method and device for stimulation of mass transfer processes for enhanced well recovery |
| 06/13/2006 | US7059402 Method and apparatus for exploiting oilfields |
| 06/13/2006 | US7059401 Flow control apparatus for use in a wellbore |
| 06/13/2006 | CA2240786C Viscous oil recovery using steam in horizontal well |
| 06/13/2006 | CA2233227C Method and apparatus for selective horizontal well re-entry using retrievable diverter oriented by logging means |
| 06/08/2006 | WO2006059181A1 Stop-sand liner hanger assembly for water wells |
| 06/08/2006 | WO2006023172A3 Control of particulate flowback in subterranean formations using elastomeric resin coated proppants |
| 06/08/2006 | WO2005098200A3 Paraffin inhibitors |
| 06/08/2006 | WO2005079403A3 System for controlling a hydraulic actuator, and methods of using same |
| 06/08/2006 | WO2005076904A3 Process to sequester co2 in natural gas hydrate fields and simultaneously recover methane |
| 06/08/2006 | US20060122777 Waterflood control system for maximizing total oil recovery |
| 06/08/2006 | US20060122071 placing an alkali swellable latex and a pH increasing material in the wellbore to form a sealant composition; sealant composition further comprises a non-alkali swellable latex |
| 06/08/2006 | US20060122070 Drilling fluid systems comprising sized graphite particles |
| 06/08/2006 | US20060118310 Subsea petroleum production system method of installation and use of the same |
| 06/08/2006 | US20060118305 Forming a horizontal transverse fractured wellbore that intersects the existing well and injecting a fluid remote from the existing well to form a fluid front that sweeps the hydrocarbons into the horizontal transverse fractured wellbore; successive fractures can be sealed to control front propagation |
| 06/08/2006 | US20060118304 Flow Control Actuation |
| 06/08/2006 | US20060118303 Well perforating for increased production |
| 06/08/2006 | US20060118302 Self diverting matrix acid |
| 06/08/2006 | US20060118301 Methods of stimulating a subterranean formation comprising multiple production intervals |
| 06/08/2006 | US20060118300 Methods for improving low-quality proppant and method of using low-quality proppant in subterranean operations |
| 06/08/2006 | US20060118299 Methods of controlling particulate segregation in slurries |
| 06/08/2006 | US20060118296 Well device for throttle regulation of inflowing fluids |
| 06/08/2006 | US20060118192 Method of manufacturing an insulated pipeline |
| 06/07/2006 | EP1666697A1 Fluid operated pump for use in a wellbore |
| 06/07/2006 | EP1666669A2 Offshore production platform |
| 06/07/2006 | EP1664485A1 Methods for enhancing the consolidation strength of resin coated particulates |
| 06/07/2006 | EP1664484A1 Device and method of lining a wellbore |
| 06/07/2006 | EP1664483A2 Downhole draw down pump and method |
| 06/07/2006 | EP1565644A4 Well treating process and system |
| 06/07/2006 | EP1417395B1 Tertiary oil recovery combined with gas conversion process |
| 06/07/2006 | CN2786277Y Device for concentric separate-layer steam distribution for thick oil separate-layer steam drive process |
| 06/07/2006 | CN2786276Y Device for eccentric separate-layer steam distribution for thick oil separate-layer steam drive process |
| 06/07/2006 | CN2786272Y Pumping rod spinner |
| 06/07/2006 | CN1784534A Expansion device for expanding a pipe |