| Patents for E21B 35 - Methods or apparatus for preventing or extinguishing fires (324) |
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| 11/12/1992 | CA2112705A1 A system for extinguishing an oil well subjected to very high pressure ons |
| 11/11/1992 | CN1066099A Throttling oil well fire extinguishing method and its apparatus |
| 11/10/1992 | US5161614 Apparatus and method for accessing the casing of a burning oil well |
| 11/05/1992 | DE4114312A1 Extinguishing oil well fires - using large, sand-filled flexible bag which is dropped onto the fire to smother the flames |
| 11/05/1992 | DE4114183A1 Closing crude oil blowouts - using ground based remotely controlled clamps, and trolley running on rails to carry tooling as requested |
| 11/05/1992 | DE4114119A1 Simple device for extinguishing fires - consists of bag of fire-resistant material which is filled with sand and is dropped on seat of fire |
| 11/05/1992 | DE4114115A1 Closing down burning crude oil natural gas supply pipes - using slide valve with cutting edges, and providing access to underground pipe by digging shaft, does not use sealants and existing installation can be reused |
| 11/03/1992 | US5159983 Thermite reaction |
| 10/29/1992 | DE4113315A1 Explosive cartridge for permanent sealing of oil pipes which are out of control - comprises hermetically sealed cartridge contg. explosives which undergoes permanent enlarging of its periphery |
| 10/29/1992 | DE4112288A1 Extinguishing oil fire at borehole by hollow concrete ball - comprises choking oil outlet and discharging sand, and sealing outlet with solid concrete ball with oil flow control valve |
| 10/28/1992 | CN1065701A Mechanical firefighting method for petroleum well |
| 10/27/1992 | US5158397 Passive fire protective systems for articulating joints and flexible connections |
| 10/27/1992 | US5158144 Device and method to extinguish oil well fires |
| 10/27/1992 | US5158138 Apparatus for shutting in a burning oil well |
| 10/22/1992 | DE4112820A1 Jacket for covering and extinguishing oil fires at boreholes and pipelines - applies high pressure water and inert gas to fire |
| 10/22/1992 | DE4112680A1 Fire-extinguishing system, esp. for high pressure oil fires - comprises extinguisher container contg. liq. nitrogen@ which can be moved into position above fire, to enclose it etc. |
| 10/21/1992 | CN1065508A Extinguishing bucket by use of plugging |
| 10/15/1992 | DE4122820A1 Stopping outbreaks of oil and gas from borehole riser - by pumping drilling mud into riser with system that includes crane with long outrigger |
| 10/15/1992 | DE4112176A1 Transporting and depositing heavy load under difficult conditions - such as over burning wells in prepn. for extinguishing fire |
| 10/15/1992 | DE4112038A1 Method of closing pipe containing high speed or high pressure contents - consists of piercing hole in outer casing and inserting grid of bolts or rods |
| 10/15/1992 | DE4111685A1 Oil fire extinguishing system - uses vertical pipe at outlet increasing distance of flame from it |
| 10/15/1992 | DE4111639A1 System of grids for extinguishing fires at oil and gas wells - distributes extinguishing fluid from tubular grid under high pressure and is not damaged by heat |
| 10/15/1992 | DE4111216A1 Oil well fire extinguishing - by combination of atmospheric oxygen@ |
| 10/14/1992 | EP0508959A1 Method and apparatus for putting out fires fed by a pressurized medium having a high degree of inflammability, in particular fires of oil wells |
| 10/14/1992 | CN1065317A Method and apparatus for fire extinguishing and gush-stopping of oil/gas well |
| 10/13/1992 | US5154236 Fire extinguishing apparatus |
| 10/13/1992 | US5154234 Wellhead fire extinguisher and method extinguishing a well fire |
| 10/10/1992 | CA2054974A1 Method of and apparatus for putting out fires under pressure, in particular fires of oil wells |
| 10/08/1992 | DE4111738A1 Appts. for extinguishing oil well fires in sandy terrain - used to smother flame and uses integral cooling units to quickly reduce temp. of the immediate area |
| 10/08/1992 | DE4111124A1 Method for extinguishing burning oil well - involving prodn. of fire wall and use of guided introduction of fluid inert gas into centre of fire and withdrawal of oxygen@ from air |
| 10/08/1992 | DE4110844A1 Extinguishing borehole fires by conical arrangement placed over fire - to interrupt speed balance between flame front and energy supply |
| 10/08/1992 | DE4110843A1 Extinguishing borehole fires by cannon - with charge firing pressure wave to separate the flame from its supply of crude oil |
| 10/08/1992 | DE4110450A1 Fire fighting machine for oil source fires - surrounds root of flame radially and smoothers it using bell movable on holder and closable at top by valve |
| 10/08/1992 | DE4110262A1 Extinguishing oil well fires - using open bottomed bell housing capable of withstanding 6000 deg. C fitted with integral extinguishers, to smother flame |
| 10/08/1992 | DE4108803A1 Extinguishing fires at oil and gas boreholes - by moving flame away by pipe to a location where it is flared in mobile unit until borehole area is at safe temp. for repair work |
| 10/06/1992 | US5152346 Method and apparatus for extinguishing oil or gas well fires |
| 10/01/1992 | DE4110431A1 Extinguishing oil well or natural gas fires without use of water or foam supplies - uses a remote controlled vehicle to position a flame snuffing tube |
| 09/24/1992 | DE4108779A1 Extinguishing oil fire at borehole, pipeline, etc. - by high pressure water and inert gas pumped into bell placed over outlet and vibrated into ground |
| 09/24/1992 | DE4108776A1 Hinged cover for oil wells - has pipe with flap held in open position to allow easy flow of oil and which can be easily closed to extinguish burning well |
| 09/24/1992 | DE4108727A1 Extinguishing fires at oil and gas wells - by placing heavy plate over borehole leaving gap under plate and smothering with extinguishing agents from safe distance |
| 09/24/1992 | DE4108721A1 Oil well-head fire extinguisher - uses a remote controlled tracked vehicle to deliver an inert extinguishing gas e.g. carbon di:oxide |
| 09/17/1992 | DE4111084A1 Extinguishing continuously fuelled fires at oil wells etc. - using enclosing jacket immediately after fire has been blown out by removal of oxygen@ |
| 09/17/1992 | DE4108492A1 Balloon for extinguishing oil fire - is filled with inert gas which is released by melting of balloon base |
| 09/17/1992 | DE4108248A1 Method of extinguishing fire in building - involves sealing all openings with sheet of flame resistant material |
| 09/17/1992 | DE4107443A1 Fire-fighting system for oil or gas wells - includes bell-shaped jacket which is covered over fire to maintain it before carbon di:oxide is fed in |
| 09/16/1992 | EP0502908A1 Fire protected pipe and pipeline |
| 09/15/1992 | US5146995 Oil well fire extinguisher having upper and lower external flame retardant-dispersing rings |
| 09/15/1992 | US5146987 Method and apparatus for controlling the flow of crude oil from the earth |
| 09/10/1992 | DE4107492A1 Extinguishing fires at oil and gas outlets, partic. in oil and gas boring - involves turning cup-shaped container upside-down over the outlet |
| 07/21/1992 | US5131474 Mobile combined oxygen-free work compartment and fire extinguisher for oil well blowouts |
| 06/16/1992 | US5121797 Methods and apparatus for shutting in a burning oil well |
| 06/09/1992 | US5119887 Oil well head fire cap |
| 05/26/1992 | US5115869 Apparatus for extinguishing oil well fires and separating oil/gas streams thereof |
| 05/19/1992 | US5113948 Oil well fire extinguisher with internal pipe crimper |
| 05/14/1992 | WO1992007917A1 Reversible transformation of hydrocarbons |
| 05/03/1992 | CA2094044A1 Reversible transformation of hydrocarbons |
| 04/21/1992 | US5105893 Oil well fire drowning and extinguishing containment apparatus |
| 04/07/1992 | US5101604 Subterranean well welding habitat |
| 04/02/1992 | DE4110295A1 Oil fire extinguishing method - uses salt solution for oxygen@ exclusion |
| 02/19/1992 | CN2096634U Blocking oil well fire extinguishing device |
| 02/12/1992 | CN1058632A Fire extinguisher set for oil well and its method for extinguishing fire by mechanical intrusion |
| 01/29/1992 | CN2094616U Composite extinguisher for petroleum well |
| 01/22/1992 | CN2093896U Forced cut-off valve |
| 12/18/1991 | CN1057089A Oil well fire extinguishing method and equipment |
| 11/27/1991 | CN2089522U Fire-extinguishing shell |
| 11/13/1991 | CN2088594U Sound-insulated air fire-fighting hood |
| 11/06/1991 | EP0455328A1 Subterranean well welding habitat |
| 10/30/1991 | CN2087686U Fire extinguisher for oil well |
| 10/17/1991 | DE4109010A1 Equipment for extinguishing burning oil-wells - by surrounding burning area with material that prevents or restricts entry of air |
| 10/10/1991 | DE4114620A1 Open fire fighting method - involves placing porous components permeable only to gas and fireproof over flames |
| 07/30/1991 | US5035259 Fluid flow control valve |
| 06/13/1991 | WO1991008372A1 Fire protected pipe and pipeline |
| 06/04/1991 | CA1284618C Blowout controller |
| 05/28/1991 | US5018321 Subterranean well welding habitat |
| 02/27/1991 | EP0414418A1 Fluid flow control valve |
| 10/04/1990 | WO1990011430A1 Oil well fire control system |
| 05/03/1990 | WO1990004700A1 An integrated offshore safety system |
| 02/20/1990 | US4901796 Well packing system |
| 02/13/1990 | US4899827 Oil well fire control system |
| 07/06/1989 | DE3838238A1 Automatic fire fighting on oil production installations. |
| 12/22/1987 | US4714233 Adapter bracket for making a valve fire safe |
| 10/06/1987 | US4697639 For an oil well |
| 03/25/1987 | EP0214965A1 Method for suppressing oil well fires |
| 09/12/1986 | WO1986005106A1 Method for suppressing oil well fires |
| 06/17/1986 | US4595239 Oil recovery mining apparatus |
| 12/10/1985 | CA1197827A1 Device for affixing a rail to a concrete support |
| 11/19/1985 | US4553589 Fire-safe surface-controlled subsurface safety valve control line/wellhead connector and blowout preventer |
| 08/06/1985 | CA1191451A1 Means for sealing a gap around a conductor pipe |
| 01/22/1985 | US4494695 Device for affixing a rail to a concrete support |
| 12/04/1984 | CA1178813A1 Sealing system for use on an offshore platform and a method of applying this sealing system |
| 10/30/1984 | US4479656 Means for sealing a gap around a conductor pipe in an offshore oil platform |
| 09/18/1984 | US4471708 Self-propelled semi-submersible service vessel |
| 07/10/1984 | US4458945 Oil recovery mining method and apparatus |
| 02/28/1984 | US4433733 Oil storage tank extinguisher |
| 08/23/1983 | US4399872 Guidelineless system for riser entry/reentry that permits quick release of a riser column from a subsea installation |
| 06/28/1983 | US4390315 Fire fighting boom assembly for service vessel |
| 02/22/1983 | CA1141658A1 Method of controlling an erupted marine oil well |
| 02/08/1983 | US4372395 Stab water supply system |
| 01/19/1983 | EP0069740A1 Hazardous materials control |
| 01/11/1983 | US4367889 Fire guarded blowout preventer hose |