| 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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| 02/24/2005 | WO2003098104A3 Stimulation and injection system |
| 02/24/2005 | US20050043921 Neural network model for electric submersible pump system |
| 02/24/2005 | US20050039928 Radial expansion of tubular members |
| 02/24/2005 | US20050039927 Intelligent well system and method |
| 02/24/2005 | US20050039924 Method for installing a water well pump |
| 02/24/2005 | US20050039919 Methods of fracturing high temperature subterranean zones and foamed fracturing fluids therefor |
| 02/24/2005 | US20050039918 Methods of treating subterranean zones and treating fluids therefor |
| 02/24/2005 | US20050039917 Isolation packer inflated by a fluid filtered from a gravel laden slurry |
| 02/24/2005 | US20050039916 Expanding well tools |
| 02/24/2005 | US20050039912 Conformable Apparatus in a Drill String |
| 02/24/2005 | US20050039911 Maximizing the efficacy of thiocyanate scavengers in oilfield brines |
| 02/24/2005 | US20050039910 Expandable tubes with overlapping end portions |
| 02/24/2005 | US20050039908 Sealing system for the interspace in the transition region between two well pipes of different diameters, and mounting tool for this |
| 02/24/2005 | US20050039813 Apparatus and method for creating a vortex flow |
| 02/24/2005 | CA2535817A1 Expandable tubular |
| 02/24/2005 | CA2535230A1 Subterranean fluids and methods of using these fluids in subterranean formations |
| 02/24/2005 | CA2533844A1 Apparatus and method for creating a vortex flow |
| 02/24/2005 | CA2532224A1 A piston pump for tail production of oil |
| 02/23/2005 | EP1508667A2 Sand removal and device retrieval tool |
| 02/23/2005 | EP1508666A2 Method and apparatus for completing wells with lateral branches |
| 02/23/2005 | EP1303681A4 Well management system |
| 02/23/2005 | CN2680851Y 高压注水过滤器 High pressure water filter |
| 02/23/2005 | CN2680850Y Hydraulic initiation oil return device for under-balanced perforation |
| 02/23/2005 | CN2680849Y Straight line type pumping unit |
| 02/23/2005 | CN1584333A Gear and rack type cooker hood |
| 02/23/2005 | CN1584288A Gas-oil layer liquid gunpowder fracturing method and apparatus thereof |
| 02/23/2005 | CN1584287A Hollow water distributor for water-injecting well of oil field |
| 02/23/2005 | CN1584286A Quantitative water distributor for water injecting well of oil field |
| 02/23/2005 | CN1584285A Automatic-control multi-layer water injecting well top |
| 02/23/2005 | CN1584284A Intelligent hydraulic oil pumping equipments |
| 02/23/2005 | CN1583942A Fuel thickening chemical producing aid and use thereof |
| 02/23/2005 | CN1190587C Compensation method for expanding with heat and contracting with cold of underground gasifying furnace perforated pipe |
| 02/23/2005 | CN1190586C Hydro-impact broken down method and device for oil-water well |
| 02/22/2005 | US6857486 High power umbilicals for subterranean electric drilling machines and remotely operated vehicles |
| 02/22/2005 | US6857477 Method for using a reciprocating pump vent-dump valve |
| 02/22/2005 | US6857476 Sand control screen assembly having an internal seal element and treatment method using the same |
| 02/22/2005 | US6857473 Method of coupling a tubular member to a preexisting structure |
| 02/22/2005 | US6857472 Well pump device |
| 02/22/2005 | CA2240411C Flameless combustor |
| 02/22/2005 | CA2157120C Heat activated ballistic blocker |
| 02/17/2005 | WO2005014974A1 Gravel packing method |
| 02/17/2005 | WO2005003506A3 Method of deploying and powering an electrically driven device in a well |
| 02/17/2005 | WO2005000993A8 Compositions and methods for improving proppant pack permeability and fracture conductivity in a subterranean well |
| 02/17/2005 | WO2004101945A3 Method for improved vertical sweep of oil reservoirs |
| 02/17/2005 | WO2004065917B1 Multi-lateral well with downhole gravity separation |
| 02/17/2005 | WO2003102351A8 Oil and gas production with downhole separation and reinjection of gas |
| 02/17/2005 | WO2003035801A3 Producing hydrocarbons and non-hydrocarbon containing materials from a hydrocarbon containing formation |
| 02/17/2005 | US20050038603 System and method for real time reservoir management |
| 02/17/2005 | US20050037929 blend of carboxylic acid terminated polyamide and/or wetting agent with reaction product or mixture produced by Diels-Alder reaction of dienophiles, preferably carboxylic acids, acid anhydrides, with fatty acids and resin acids; emulsion stability |
| 02/17/2005 | US20050034875 Valves for Use in Wells |
| 02/17/2005 | US20050034872 Electric submersible pump with specialized geometry for pumping viscous crude oil |
| 02/17/2005 | US20050034871 Submersible pumping system |
| 02/17/2005 | US20050034869 Method and system for handling producing fluid |
| 02/17/2005 | US20050034868 Orthoester compositions and methods of use in subterranean applications |
| 02/17/2005 | US20050034865 Compositions and methods for degrading filter cake |
| 02/17/2005 | US20050034862 Methods for fracturing stimulation |
| 02/17/2005 | US20050034861 On-the fly coating of acid-releasing degradable material onto a particulate |
| 02/17/2005 | US20050034860 Screen for sand control in a wellbore |
| 02/17/2005 | US20050034859 Vented gravel packing system and method of use |
| 02/17/2005 | US20050034856 Microbial growth inhibiting material and method of forming |
| 02/17/2005 | US20050034855 Well having inhibited microbial growth |
| 02/17/2005 | US20050034852 Heat exchange compressor |
| 02/17/2005 | DE10331448A1 Verfahren zur Gewinnung tonmineralhaltiger Rohstoffe Process for obtaining raw materials tonmineralhaltiger |
| 02/17/2005 | CA2532686A1 Compositions and methods for preventing coagulation of water-in-oil emulsion polymers in aqueous saline well treating fluids |
| 02/16/2005 | EP1506343A1 System for treating an underground formation |
| 02/16/2005 | EP1234100B1 Production valve |
| 02/16/2005 | EP1155218B1 Selective zonal isolation within a slotted liner |
| 02/16/2005 | CN2679361Y Casing heat stress slowly released device |
| 02/16/2005 | CN2679360Y Composite well negative pressure commingled prodn pumping unit |
| 02/16/2005 | CN2679359Y Composite well negative pressure sub-commingled prodn pumping unit |
| 02/16/2005 | CN2679358Y Ground negative pressure controlling unit |
| 02/16/2005 | CN2679357Y Intelligence controlled pumping unit |
| 02/16/2005 | CN1582366A Gas turbine system comprising closed system of fuel and combustion gas using underground coal layer |
| 02/16/2005 | CN1580560A Gear-type-changing oil pumping device of pump with rod |
| 02/16/2005 | CN1580559A Multifunctional high-efficiency oil pump |
| 02/16/2005 | CN1580486A Microbe oil-displacement method and microbe trielement compound oil-displacement agent |
| 02/16/2005 | CN1580485A Method and apparatus for producing thick oil based on sound, light and electricity combination function |
| 02/16/2005 | CN1580484A Oil-well monitoring anti-theft device |
| 02/16/2005 | CN1580241A Bacterium for degrading petroleum and it use |
| 02/16/2005 | CN1580240A Bacterium for degrding petroleum and its use |
| 02/16/2005 | CN1189641C Hydraulic coal mining method without underground drilling and special device |
| 02/15/2005 | US6854532 Subsea wellbore drilling system for reducing bottom hole pressure |
| 02/15/2005 | US6854522 Annular isolators for expandable tubulars in wellbores |
| 02/15/2005 | US6854521 System and method for creating a fluid seal between production tubing and well casing |
| 02/15/2005 | US6854518 Method and apparatus for enhancing production from an oil and/or gas well |
| 02/15/2005 | US6854517 Electric submersible pump with specialized geometry for pumping viscous crude oil |
| 02/15/2005 | US6854515 Wellhead hydraulic drive unit |
| 02/15/2005 | CA2477507A1 Screen for sand control in a wellbore |
| 02/15/2005 | CA2327773C Method and apparatus for completing a wellbore |
| 02/15/2005 | CA2166392C System for offshore production of hydrocarbons |
| 02/12/2005 | CA2437061A1 Drilling fluids, drilling fluids additives and methods useful for limiting tar sands accretion on metal surfaces |
| 02/10/2005 | WO2005012690A1 Method of stimulating long horizontal wells to improve well productivity |
| 02/10/2005 | WO2005012689A1 System and method for placing a braided, tubular sleeve in a well bore |
| 02/10/2005 | WO2005012688A1 Method and system for accessing subterranean deposits from the surface and tools therefor |
| 02/10/2005 | WO2005012686A1 System for sealing a space in a wellbore |
| 02/10/2005 | WO2005012684A2 Compositions and methods for treating subterranean formations |
| 02/10/2005 | US20050029812 Expandable slotted tubing string and method for connecting such a tubing string |
| 02/10/2005 | US20050028988 Radial expansion of tubular members |
| 02/10/2005 | US20050028987 Apparatus for radially expanding tubular members including a segmented expansion cone |
| 02/10/2005 | US20050028984 Recovery of production fluids from an oil or gas well |