| 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) |
|---|
| 07/07/2005 | WO2005061835A1 Method for drilling and lining a wellbore |
| 07/07/2005 | WO2005042908A3 Three in one combined power unit for nitrogen system, fluid system, and coiled tubing system |
| 07/07/2005 | WO2004087495A8 Device and method for stabilising and controlling the lowering or raising of a heavy structure between the surface and the bed of the sea |
| 07/07/2005 | WO2004083594B1 Apparatus and method radially expanding a wellbore casing using an expansion mandrel and a rotary expansion tool |
| 07/07/2005 | US20050149307 Integrated reservoir optimization |
| 07/07/2005 | US20050145393 Micro-switches for downhole use |
| 07/07/2005 | US20050145390 Apparatus and method for expanding tubular members |
| 07/07/2005 | US20050145388 Subsea process assembly |
| 07/07/2005 | US20050145387 Multiple azimuth control of vertical hydraulic fractures in unconsolidated and weakly cemented sediments |
| 07/07/2005 | US20050145386 Permeable cement compostion and method for preparing the same |
| 07/07/2005 | US20050145385 Methods of well stimulation and completion |
| 07/07/2005 | US20050145384 Rotating blast liner |
| 07/07/2005 | US20050145383 Method and apparatus for stimulating heavy oil production |
| 07/07/2005 | US20050145382 Modular liner hanger |
| 07/07/2005 | US20050145141 Permeable cement composition and method for preparing the same |
| 07/07/2005 | US20050144777 Method and apparatus for forming a mono-diameter wellbore casing |
| 07/07/2005 | US20050144772 Method and apparatus for forming a mono-diameter wellbore casing |
| 07/07/2005 | US20050144771 Method and apparatus for forming a mono-diameter wellbore casing |
| 07/07/2005 | CA2550194A1 Method for drilling and lining a wellbore |
| 07/07/2005 | CA2549527A1 Non-threaded expandable pipe connection system |
| 07/06/2005 | EP1549824A2 Mono diameter wellbore casing |
| 07/06/2005 | EP1549823A2 Bottom plug for forming a mono diameter wellbore casing |
| 07/06/2005 | EP1549822A2 Remote intervention logic valving method and apparatus |
| 07/06/2005 | EP1276962B1 Enhanced oil recovery by in situ gasification |
| 07/06/2005 | CN2708004Y Throw-in type filling valve for oil well pump |
| 07/06/2005 | CN2708002Y Forced deviation adjustment hydraulic feedback oil well pump |
| 07/06/2005 | CN2708001Y Drum type pumping unit |
| 07/06/2005 | CN2707962Y Test regulator for separated-zone water injection in oil field |
| 07/06/2005 | CN2707961Y Pressure and flow tester for down-the-hole separated-zone water injection |
| 07/06/2005 | CN2707960Y Oil drainer |
| 07/06/2005 | CN2707959Y Sieve tube for special type hydrocarbon reservoir |
| 07/06/2005 | CN2707958Y Downstream sand injector |
| 07/06/2005 | CN2707957Y Weight box fixing device |
| 07/06/2005 | CN2707956Y Sucker rod turning gear |
| 07/06/2005 | CN2707950Y High pressure fracturing packer |
| 07/06/2005 | CN2707948Y Hydropneumatic packer |
| 07/06/2005 | CN1636108A In situ thermal processing of a hydrocarbon containing formation and improvement of won fluid before further processing |
| 07/05/2005 | US6913078 In Situ thermal processing of hydrocarbons within a relatively impermeable formation |
| 07/05/2005 | CA2318323C Method and apparatus for selective injection or flow control with through-tubing operation capacity |
| 07/05/2005 | CA2096714C Process for treating and transporting natural gas from a gas well |
| 07/05/2005 | CA2077926C Continuous mixing device, process and use thereof in a high viscosity fluid pumping installation |
| 06/30/2005 | WO2005059433A1 Combined storage facility for co2 and natural gas |
| 06/30/2005 | WO2005059369A1 Downhole device for horizontal wells and the operating method thereof |
| 06/30/2005 | WO2005059308A2 Seamless woven wire sintered well screen |
| 06/30/2005 | WO2005059306A1 Downhole rotating tool |
| 06/30/2005 | WO2005059305A1 Modular hydrojetting tool |
| 06/30/2005 | WO2005059304A1 Method of creating a zonal isolation in an underground wellbore |
| 06/30/2005 | US20050139394 Expandable screen utilizing near neutrally-buoyant particles outside of the screen |
| 06/30/2005 | US20050139361 Torque anchor |
| 06/30/2005 | US20050139359 Multiple expansion sand screen system and method |
| 06/30/2005 | US20050139357 Downhole tool |
| 06/30/2005 | US20050139356 Method for enhancing the retention efficiency of treatment chemicals in subterranean formations |
| 06/30/2005 | US20050139355 Workstring and a method for gravel packing |
| 06/30/2005 | US20050139354 A Method Of Gravel Packing With Oil-Based Carrier Fluid |
| 06/30/2005 | US20050139352 Minimal resistance scallop for a well perforating device |
| 06/30/2005 | US20050138790 Method and apparatus for forming a mono-diameter wellbore casing |
| 06/29/2005 | EP1546507A1 Acid-coated sand for gravel pack and filter cake clean-up |
| 06/29/2005 | EP1546506A1 A flow control device for an injection pipe string |
| 06/29/2005 | EP1546505A2 System and method for subterranean access |
| 06/29/2005 | EP1360418A4 Gas lift valve with central body ventury for controlling the flow of injection gas in oil wells producing by continuous gas lift |
| 06/29/2005 | CN2706630Y Planetary gear speed reducer for oil field thick oil pump |
| 06/29/2005 | CN2706581Y Flexible sand filtering pipe column |
| 06/29/2005 | CN2706580Y Swallow-wing shaped stainless steel plate net sand control pipe |
| 06/29/2005 | CN1632370A Separator and self-airlifting method for eliminating plug flow on serious segments by utilizing same |
| 06/29/2005 | CN1632369A Separator and phase-split conveying method for eliminating plug flow on serious segments by utilizing same |
| 06/29/2005 | CN1632313A Oil submerged pump special-purpose speed reducer and process for making same |
| 06/29/2005 | CN1632283A Sand prevention tube through granularity sorting expansion |
| 06/29/2005 | CN1632282A Eyelet step sieve pipe bundling type recovery method for a special type of hydrocarbon reservoir |
| 06/29/2005 | CN1632281A Multiple beam-pumping units phase balanced combination transmission unit |
| 06/29/2005 | CN1632280A Temperature control umbrella type air support plunger |
| 06/29/2005 | CN1632042A Phase permeability modifying agent and method for improving recovery efficiency of crude oil by using same |
| 06/29/2005 | CN1208574C Steam injection boiler flue gas waste heat comprehensive utilization system for oil field |
| 06/28/2005 | US6911417 For removing water from near-wellbore portion of subterranean formation when drilling for crude oil; well completion |
| 06/28/2005 | US6910536 In situ thermal processing of a hydrocarbon containing formation using a natural distributed combustor |
| 06/28/2005 | US6910532 Water pressure system with pressure tank installed within well casing of well |
| 06/28/2005 | US6910374 Borehole conductivity profiler |
| 06/28/2005 | CA2441667C Method and system for accessing subterranean deposits from the surface |
| 06/23/2005 | WO2005056980A1 Controlling a fluid well |
| 06/23/2005 | WO2005056979A1 Cased hole perforating alternative |
| 06/23/2005 | WO2005056978A1 Apparatus and method for gravel packing an interval of a wellbore |
| 06/23/2005 | WO2005056977A1 Wellbore screen |
| 06/23/2005 | WO2005056976A1 Production of natural gas from hydrates |
| 06/23/2005 | WO2005056724A2 Method and device for separating mixtures of solid components and liquid or liquefiable hydrocarbons |
| 06/23/2005 | WO2005018300A3 Alkylxylene sulfonates for enhanced oil recovery processes |
| 06/23/2005 | WO2004094767B1 Expanded liner system and method |
| 06/23/2005 | WO2004044370A3 Devices and methods for extraction, transportation and/or release of material |
| 06/23/2005 | US20050137114 environmentally friendly, biodegradable, nondepositing and high temperatures resistant aqueous foaming agents comprising a mixture of anionic, cationic and zwitterionic surfactants, used as drilling fluids |
| 06/23/2005 | US20050137095 enhancing oil recovering during well drilling, injecting a mixture of a glycol solution of tallow amidopropyldimethylamine oxide surfactant and phosphonate acidizing solution; do not react quickly with the formation, can be spread deeper and allow maximum penetration into the formation |
| 06/23/2005 | US20050135944 Gas turbine for oil lifting |
| 06/23/2005 | US20050133270 Oil recovery using non-cryogenically produced nitrogen and off-gas recycling |
| 06/23/2005 | US20050133226 Modular hydrojetting tool |
| 06/23/2005 | US20050133225 Apparatus for and method of anchoring a first conduit to a second conduit |
| 06/23/2005 | US20050133223 Expandable tubular connection |
| 06/23/2005 | US20050133220 Downhole rotating tool |
| 06/23/2005 | US20050133219 Three-dimensional well system for accessing subterranean zones |
| 06/23/2005 | DE202005002870U1 Filter pipe for a well comprises a filter jacket which consists of several slit jacket sections made up of a plastic and glass fiber mixture attached to a carrier pipe by means of an adhesive |
| 06/23/2005 | CA2835689A1 Wellbore screen |
| 06/23/2005 | CA2548477A1 Wellbore screen |
| 06/22/2005 | EP1544407A2 Underbalanced well completion |
| 06/22/2005 | EP1544405A2 Underbalanced well completion |