| 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) |
|---|
| 10/26/1993 | US5255744 Subsea production system and method for line connection between a manifold and adjacent satellite wells |
| 10/26/1993 | US5255741 Process and apparatus for completing a well in an unconsolidated formation |
| 10/26/1993 | US5255740 Secondary recovery process |
| 10/26/1993 | CA1323561C Method of achieving heated areal conformance in weak uncemented sands |
| 10/20/1993 | EP0566394A1 Gas well treatment compositions and methods |
| 10/20/1993 | CN1077526A "process for pumping a multi-phase gas-liquid mixture by means of the use of a pump" |
| 10/20/1993 | CN1077525A "process for pumping a multi-phase gas-liquid mixture by means of the use of a pump" |
| 10/20/1993 | CN1077515A Caisson and foundation combination type oil extracting platform and construction method |
| 10/19/1993 | US5254292 Device for regulating and reducing the fluctuations in a polyphasic flow, and its use |
| 10/19/1993 | US5253926 Process for making general use of the earth's heat and obtaining minerals in the zone of weakness (at depths of 13-30 km) |
| 10/19/1993 | US5253718 Wellbore mineral jetting tool |
| 10/19/1993 | US5253713 Valving member |
| 10/19/1993 | US5253709 Method and apparatus for sealing pipe perforations |
| 10/19/1993 | US5253708 Process and apparatus for performing gravel-packed liner completions in unconsolidated formations |
| 10/19/1993 | US5253707 Injection well fracturing method |
| 10/17/1993 | CA2094091A1 In-situ restoration of contaminated soils and groundwater using calcium chloride |
| 10/14/1993 | WO1993020330A1 Apparatus for detonating well perforators |
| 10/14/1993 | WO1993020329A1 Hydraulically actuated liner hanger arrangement and method |
| 10/14/1993 | CA2093471A1 Secondary recovery process |
| 10/13/1993 | EP0565445A1 Apparatus for securing a flexible line having a bend restrictor |
| 10/13/1993 | CN2143674Y Composite electroplating layer assemblying near well bottom jet |
| 10/13/1993 | CN1022432C Cutting seam sieve tube and its making method |
| 10/12/1993 | US5252832 Method of using thermal neutrons to evaluate gravel pack slurry |
| 10/12/1993 | US5252226 Linear contaminate remediation system |
| 10/12/1993 | US5252043 Linear motor-pump assembly and method of using same |
| 10/12/1993 | US5252000 Free product collector and method |
| 10/12/1993 | US5251700 Well casing providing directional flow of injection fluids |
| 10/12/1993 | US5251699 Low-viscosity gravel packing process |
| 10/12/1993 | US5251697 Adding to said water non-compressible solids |
| 10/12/1993 | US5251696 Method and apparatus for variable speed control of oil well pumping units |
| 10/06/1993 | EP0564223A1 Flowline safety joint |
| 10/06/1993 | EP0553209A4 Sintered metal sand screen |
| 10/06/1993 | CN1022341C Solidification control system for well drilling liguid |
| 10/06/1993 | CN1022324C Anhydrous crystal sodium salt of 5-chloro-3-(2-thenoyl)-2-oxyindole-1-carboxamide |
| 10/05/1993 | US5249888 Enhanced gradient soil and groundwater remediation method |
| 10/05/1993 | US5249844 Borehole mining process for recovery for petroleum from unconsolidated heavy oil formations |
| 10/05/1993 | US5249628 Horizontal well completions |
| 10/05/1993 | US5249627 Method for stimulating methane production from coal seams |
| 10/05/1993 | US5249626 Bottom hole well strainer |
| 10/05/1993 | US5249461 Method for testing perforating and testing an open wellbore |
| 10/05/1993 | CA2002595C Methane production from carbonaceous subterranean formations |
| 09/29/1993 | EP0562879A2 Method of sustaining fractures radiating from a well bore and compositions for use in the method |
| 09/29/1993 | EP0562301A1 Configuration method for water wells |
| 09/29/1993 | CN2142882Y Plastic screen with locating slot for filtering pipe |
| 09/29/1993 | CN1076758A Thermochemical method increasing injection and driving oil for water injection well in oil field |
| 09/29/1993 | CN1076757A Water injection filter technology for oil field |
| 09/28/1993 | US5248439 Emulsion breaker apparatus and method |
| 09/28/1993 | US5248166 Flowline safety joint |
| 09/28/1993 | US5247994 Heating to remove solid wax deposits |
| 09/28/1993 | US5247993 Enhanced imbibition oil recovery process |
| 09/22/1993 | EP0527924A4 Underground fluid sampling system |
| 09/21/1993 | US5246602 Method and composition fracturing subterranean formations |
| 09/21/1993 | US5246350 High efficiency solar powered pumping system |
| 09/21/1993 | US5246273 Method and apparatus for solution mining |
| 09/21/1993 | US5246158 Method of manufacturing a selective isolation screen |
| 09/21/1993 | US5246076 Methods and apparatus for controlling long-stroke pumping units using a variable-speed drive |
| 09/21/1993 | US5246071 Steamflooding with alternating injection and production cycles |
| 09/21/1993 | US5246070 Piping for the completion of a groundwater monitoring site |
| 09/16/1993 | WO1993018302A1 Methods and apparatus for recovering pollutants |
| 09/16/1993 | WO1993018279A1 Well uplift system |
| 09/16/1993 | CA2131708A1 Methods and apparatus for recovering pollutants |
| 09/15/1993 | EP0559783A1 Encapsulations for treating subterranian formations and methods for the use thereof. |
| 09/15/1993 | CN1022130C Process for pumping multi-phase gas-liquid mixture by means of use of pump |
| 09/14/1993 | US5244312 Pile supported drilling template |
| 09/14/1993 | US5244310 In-situ soil heating press/vapor extraction system |
| 09/14/1993 | US5244045 Tool for simultaneous vertical connections |
| 09/14/1993 | US5244043 Controlled quantities of brine to precipitate scale; scale inhibitor to delay precipitation |
| 09/14/1993 | US5244041 Method for stimulating an effluent-producing zone adjoining an aquifer by lateral sweeping with a displacement fluid |
| 09/14/1993 | CA1322151C Device for expanding pipes |
| 09/14/1993 | CA1322106C In-situ heating to detoxify organic-contaminated soils |
| 09/08/1993 | EP0559497A1 Method of evalulating gravel pack slurry using thermal neutrons |
| 09/08/1993 | EP0558534A1 Well completion system |
| 09/08/1993 | EP0418356B1 Process and device for taking samples at a ground water measurement site |
| 09/08/1993 | CN2141837Y Pressure gradient type automatic hole-filling apparatus |
| 09/08/1993 | CN1075978A Firming agent for drilling waste mud and its producing method |
| 09/07/1993 | USRE34371 Mixture of compacted and sintered kaolin clay and silica not containing mullite and crystabolite |
| 09/07/1993 | US5243190 Radioactive tracing with particles |
| 09/07/1993 | US5242025 Guided oscillatory well path drilling by seismic imaging |
| 09/07/1993 | US5242021 Method and device for consolidation a formation crossed by a well |
| 09/07/1993 | US5241891 Phaseable link carrier for explosive charge |
| 09/07/1993 | CA2091125A1 Method of using thermal neutrons to evaluate gravel pack slurry |
| 09/05/1993 | CA2088876A1 Vapor recovery system |
| 09/02/1993 | WO1993017217A1 Fluid system for controlling fluid losses during hydrocarbon recovery operations |
| 09/01/1993 | EP0557623A2 Mobile material decontamination apparatus |
| 09/01/1993 | CN2141463Y Sealing oxygen insulating device for water storage tank |
| 09/01/1993 | CN1075772A Apparatus for collecting mixtured light hydrocarbons during petroleum mining test run |
| 08/31/1993 | US5241475 Method of evaluating fluid loss in subsurface fracturing operations |
| 08/31/1993 | US5240075 Protection of gravel pack well completions during steam injection |
| 08/31/1993 | US5240074 Placing resin in a wellbore with explosive, firing explosive to cure resin to plug slots; reversible |
| 08/31/1993 | US5240073 Down-hole concentric chamber gas separator and method |
| 08/31/1993 | US5240071 Improved valve assembly apparatus using travelling isolation pipe |
| 08/26/1993 | CA2081751A1 Mobile material decontamination apparatus |
| 08/25/1993 | EP0556676A1 Method and apparatus for removing fluids contained in earth or rock layers and/or in gases, especially oil |
| 08/25/1993 | CN1075536A Gas-pressure regenerating type beam unit for thick oil |
| 08/25/1993 | CN1021925C Combined-acting wheel pull-rod type pumping unit |
| 08/25/1993 | CA2090193A1 Method for removing zinc sulfide and lead sulfide scale deposits |
| 08/24/1993 | US5238664 Slurrying insoluble tailings with water or waste solutions of sodium carbonate and/or bicarbonate, adding alkali or alkaline earth metal hydroxide, pumping into well connected to mine cavity, dispersing, settling, recovering enriched liquor |
| 08/24/1993 | US5238580 Method for treating landfill leachate |
| 08/24/1993 | US5238068 Methods of fracture acidizing subterranean formations |
| 08/24/1993 | US5238067 Improved means of fracture acidizing carbonate formations |