| 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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| 02/27/2001 | US6193483 Full flow tubing stationary valve pump apparatus |
| 02/27/2001 | US6193474 Guide member details for a through-tubing retrievable well pump |
| 02/27/2001 | US6193402 Multiple tub mobile blender |
| 02/27/2001 | US6192988 Production well telemetry system and method |
| 02/27/2001 | US6192985 Fluids and techniques for maximizing fracture fluid clean-up |
| 02/27/2001 | US6192983 Coiled tubing strings and installation methods |
| 02/27/2001 | US6192980 Method and apparatus for the remote control and monitoring of production wells |
| 02/27/2001 | US6192691 Method of collecting methane hydrate gas and apparatus therefor |
| 02/27/2001 | CA2173699C Casing conveyed perforator |
| 02/22/2001 | WO2001012948A1 Methods and apparatus for the emergency actuation of control systems |
| 02/22/2001 | WO2001012947A1 Method and device for restoring the permeability of the space adjacent to wells in a production horizon |
| 02/21/2001 | CN2420421Y Composite fracturing slot tool |
| 02/21/2001 | CN1284414A Production process of bridge filter for well |
| 02/21/2001 | CN1062330C Propulsion air-feeding type coal underground gasifying furnace |
| 02/21/2001 | CN1062329C Process for underground gasificotion of coal in two stage |
| 02/20/2001 | US6190141 Centrifugal pump with diluent injection ports |
| 02/20/2001 | US6190092 Density-enhanced remediation of dense non-aqueous phase liquid contamination of subsurface environments |
| 02/20/2001 | US6189629 Lateral jet drilling system |
| 02/20/2001 | US6189616 Expandable wellbore junction |
| 02/20/2001 | US6189614 Oil and gas production with downhole separation and compression of gas |
| 02/20/2001 | US6189613 Downhole oil/water separation system with solids separation |
| 02/20/2001 | US6189612 Subsurface measurement apparatus, system, and process for improved well drilling, control, and production |
| 02/20/2001 | US6189611 Radio frequency steam flood and gas drive for enhanced subterranean recovery |
| 02/20/2001 | CA2043414C Method of recovering oil using continuous steam flood from a single vertical wellbore |
| 02/20/2001 | CA2026483C Wellbore heating process for initiation of below fracture pressure steam stimulation from a horizontal well located in an initially immobile tar sand |
| 02/15/2001 | WO2001011189A2 Apparatus for optimizing production of multi-phase fluid |
| 02/15/2001 | WO2001011187A1 Pump systems and methods |
| 02/15/2001 | WO2001011186A1 Thru-tubing sand control method and apparatus |
| 02/15/2001 | WO2001011185A1 Drilling and completion system for multilateral wells |
| 02/15/2001 | WO2001011184A1 Device and method for maintaining and guiding a riser, and method for transferring a riser onto a floating support |
| 02/15/2001 | WO2001011183A1 Floating support comprising a central cavity including a plurality of sections |
| 02/15/2001 | WO2001010976A1 Divalent cation-containing well drilling and servicing fluids |
| 02/15/2001 | WO2000057021A8 Radio frequency steam flood and gas drive for enhanced subterranean recovery |
| 02/14/2001 | EP1076156A2 Early evaluation system for a cased wellbore |
| 02/14/2001 | EP1076155A1 Coding system for use in a wellbore |
| 02/14/2001 | EP1075584A1 Extended reach tie-back system |
| 02/14/2001 | EP1075583A2 Shaped-charge liner |
| 02/14/2001 | EP1075582A2 Subsea mud pump |
| 02/14/2001 | CN2419370Y Multifunctional underground sand filter |
| 02/14/2001 | CN1283736A Negative-pressure equipment of multi-stage perforator for oil tube delivery |
| 02/13/2001 | US6188552 High resistance grounding systems for oil well electrical systems |
| 02/13/2001 | US6187443 Used as protective coating for any metallic or non metallic surface |
| 02/13/2001 | US6187079 Three-phase separator |
| 02/13/2001 | US6186238 Assembly and method for the extraction of fluids from a drilled well within a geological formation |
| 02/13/2001 | US6186236 Multi-zone screenless well fracturing method and apparatus |
| 02/13/2001 | US6186232 Enhanced oil recovery by altering wettability |
| 02/13/2001 | US6186230 Completion method for one perforated interval per fracture stage during multi-stage fracturing |
| 02/13/2001 | US6186228 Methods and apparatus for enhancing well production using sonic energy |
| 02/13/2001 | US6186227 Packer |
| 02/13/2001 | CA2315482A1 Early evaluation system for cased wellbore |
| 02/13/2001 | CA2222200C Spoolable coiled tubing completion system |
| 02/13/2001 | CA2222194C Spoolable coiled tubing completion system |
| 02/13/2001 | CA2222191C Spoolable coiled tubing completion system |
| 02/13/2001 | CA2222182C Spoolable coiled tubing completion system |
| 02/13/2001 | CA2222102C Spoolable coiled tubing completion system |
| 02/13/2001 | CA2025996C Borehole mining process for recovery of petroleum from unconsolidated heavy oil formations |
| 02/08/2001 | WO2001009477A2 Wire carrier perforating gun |
| 02/07/2001 | EP1074598A1 Divalent cation-containing well drilling and servicing fluids |
| 02/07/2001 | EP1073825A1 Foldable tube |
| 02/07/2001 | CN2418271Y Low-short special-shaped oil-pumping machine |
| 02/07/2001 | CN1061739C Electric machine commutating long stroke beam unit |
| 02/07/2001 | CN1061733C Coal-bed gasifying method of gas-injection point backing while changing tube |
| 02/07/2001 | CN1061732C Sand silter of metallic fibres and manufacture method thereof |
| 02/06/2001 | US6182763 Subsea module |
| 02/06/2001 | US6182761 Flowline extendable pigging valve assembly |
| 02/06/2001 | US6182759 Process for treating water-containing natural gas wells and natural gas storage wells |
| 02/06/2001 | US6182756 Method and apparatus for optimizing production from a gas lift well |
| 02/06/2001 | US6182751 Borehole sucker-rod pumping plant for pumping out gas liquid mixtures |
| 02/06/2001 | US6182750 Device for performing downhole functions |
| 02/01/2001 | WO2001007860A2 Components and methods for use with explosives |
| 02/01/2001 | WO2001007139A1 Breaking of oil/water emulsion |
| 01/31/2001 | EP1071862A1 Rotating subsea diverter |
| 01/31/2001 | EP0980442B1 In-situ reactor for recovering metals and energy |
| 01/31/2001 | CN2417288Y Switching and offcenter type lamination water injection equipment |
| 01/30/2001 | US6179064 System for indicating the firing of a perforating gun |
| 01/30/2001 | US6179056 Artificial lift, concentric tubing production system for wells and method of using same |
| 01/30/2001 | US6179054 Down hole gas separator |
| 01/27/2001 | CA2314392A1 Methods and apparatus for completing wells in unconsolidated subterranean zones |
| 01/25/2001 | WO2001006130A1 Variable orifice gas lift valve for high flow rates with detachable power source and method of using |
| 01/25/2001 | WO2001006125A1 A mechanical oil recovery method and system with a sucker rod pump |
| 01/25/2001 | WO2001006091A1 System and method for real time reservoir management |
| 01/25/2001 | WO2001006090A2 Tool and method for managing fluid flow in a well |
| 01/25/2001 | WO2001006089A1 Enhanced oil recovery methods |
| 01/24/2001 | EP1070555A2 Apparatus for removing contaminants from a contaminated area |
| 01/24/2001 | EP1069957A1 Separator inlet |
| 01/24/2001 | EP0956424B1 Method and device for driving bore holes, specially exploring and extraction drillings in the sea bottom |
| 01/23/2001 | US6176317 Hydrocarbon vent hood |
| 01/23/2001 | US6176313 Method and tool for fracturing an underground formation |
| 01/23/2001 | US6176312 Method and apparatus for the remote control and monitoring of production wells |
| 01/23/2001 | US6176309 Bypass valve for gas lift plunger |
| 01/23/2001 | US6176308 Inductor system for a submersible pumping system |
| 01/23/2001 | US6176307 Tubing-conveyed gravel packing tool and method |
| 01/23/2001 | US6176129 Method and apparatus for acquiring data in a hydrocarbon well |
| 01/23/2001 | CA2278827A1 Single string reciprocating pump system |
| 01/23/2001 | CA2039148C Process for in situ decontamination of subsurface soil and groundwater |
| 01/18/2001 | WO2001004535A1 Two-step radial expansion |
| 01/18/2001 | WO2001004520A1 Expandable joint connector |
| 01/18/2001 | WO2001004459A1 Downhole anchoring tools conveyed by non-rigid carriers |
| 01/18/2001 | WO2001004458A1 Hydraulic setting tool |
| 01/18/2001 | WO2001004452A1 Encapsulated shaped charge for well perforation |