Patents for F17D 1 - Pipe-line systems (8,074)
06/1982
06/08/1982US4333488 Method of transporting viscous hydrocarbons
06/08/1982US4333487 Pneumatically driven drainage facility
06/01/1982CA1124611A1 Method of transporting viscous hydrocarbons
05/1982
05/18/1982CA1123578A1 Process and apparatus for the prevention of solids deposits in a tubular reactor
05/12/1982EP0051388A1 Multi-stage pressure reducing system
05/11/1982US4328835 Automatic dump valve
04/1982
04/27/1982CA1122395A1 Drag reducing agents
04/20/1982US4325712 Method and device for conveying an essentially gaseous fluid through a pipe
04/20/1982US4325397 Method to reduce pressure drop in polyamide process piping
04/06/1982US4323452 Using a gas under pressure
03/1982
03/30/1982US4321790 Process for increasing the capacity and/or energetic efficiency of pressure-intensifying stations of hydrocarbon pipelines
03/24/1982EP0048097A1 Refinery fuel gas system
03/24/1982EP0048092A1 Liquid pipeline surge reliever system
01/1982
01/12/1982US4310335 Method and apparatus for conveying through a pipe a diphasic fluid of high free gas content
01/12/1982US4310011 Method for maximizing the pumpability efficiency of a hydrocarbon slurry by controlling the wax crystal content
12/1981
12/29/1981CA1115310A1 Method of transporting viscous hydrocarbons
12/15/1981US4305688 Transporting particulate solid material as a slurry through a pipeline
12/08/1981US4304572 Ammonium hydroxide and an anionic surfactant
12/08/1981US4304271 Tank car and train thereof and loading and unloading systems
12/08/1981US4304259 Plant circuit having change-over means for changing sequence of flow
12/01/1981CA1113529A1 Method of transporting viscous hydrocarbons
11/1981
11/17/1981US4300585 Automatic dump valve
11/17/1981CA1112689A1 Method of transporting viscous hydrocarbons
11/03/1981US4298018 Pumping process
10/1981
10/28/1981EP0038673A2 Apparatus and process for delivering liquid cryogen
10/27/1981US4296610 Liquid cryogen delivery system
10/01/1981WO1981002769A1 Pneumohydropumping installation
09/1981
09/08/1981US4287902 Method of transporting viscous hydrocarbons
09/01/1981CA1108205A1 Method of transporting viscous hydrocarbons
08/1981
08/25/1981US4285356 Forming oil in water emulsion with anionic alkyl polyether sulfate combination
08/11/1981US4282757 Device for detecting rate of change in pressure
08/11/1981CA1106725A1 Portable siphon apparatus for removing concentrations of liquid from a gas pipeline
07/1981
07/07/1981US4277254 Control system and apparatus for producing compatible mixtures of fuel gases
06/1981
06/16/1981US4273147 Transportation and placement of water-in-oil explosive emulsions
06/09/1981CA1102845A1 Stress control collar
06/03/1981EP0029701A1 Process and apparatus for the prevention of solids deposits in a tubular reactor
06/02/1981US4271007 Method and apparatus for the prevention of solids deposits in a tubular reactor by pulsed flow
05/1981
05/19/1981CA1101304A1 Process and apparatus for the conveyance of real gases
05/05/1981US4265264 Oil in water emulsions using ethylene oxide surfactants
04/1981
04/28/1981US4263927 For turbulent or pulsating flow
04/14/1981US4261387 Pipeline surge relief system
04/14/1981US4261196 Method and apparatus for determining solids conveyed in a slurry moving in a pipe
04/07/1981US4259977 Transportation and placement of water-in-oil emulsion explosives and blasting agents
04/07/1981US4259976 Conversion to methanol
03/1981
03/10/1981CA1097184A1 Flow control system
02/1981
02/18/1981EP0024012A1 Process for reducing the friction loss of flowing aqueous liquids and suspensions by the addition of a drag reducing agent
02/10/1981US4249554 Method of transporting viscous hydrocarbons
01/1981
01/27/1981US4246920 Method of transporting viscous hydrocarbons
01/27/1981US4246919 Method of transporting viscous hydrocarbons
01/27/1981CA1094610A1 Apparatus and method for slack flow elimination in a slurry pipeline
01/27/1981CA1094608A1 Method and appartus for handling fluids in a two- phase flow pipeline system
01/27/1981CA1094309A1 Pipeline method for transporting viscous hydrocarbons
01/20/1981US4245664 Controlled pressure sewer system
01/20/1981US4245412 Steam power plant, especially nuclear power plant
01/20/1981CA1094131A1 Method of transporting a viscous oil through a pipeline
01/13/1981CA1093613A1 Back pressure system for slurry pipline
01/13/1981CA1093424A1 Vapor recovery frame
12/1980
12/30/1980US4242098 Transport of aqueous coal slurries
12/30/1980CA1092575A1 Method of treating phosphate-containing material to reduce problem with clay swelling
12/16/1980US4239052 By adding an ethoxylated alkyl phenol and an alkylarylsulfonate
12/02/1980US4236545 Polymer of acrylamide, methacrylamide, acrylic acid, methacrylic acid, and/or alkali metal salts thereof
10/1980
10/28/1980US4230153 Back pressure system for slurry pipeline
10/28/1980US4230137 Apparatus and method for slack flow elimination in a slurry pipeline
10/21/1980US4229143 Method of and apparatus for transporting fluid substances
09/1980
09/23/1980US4223691 Additives to improve the pipeline transportation of cold water slurries
09/09/1980CA1085285A1 Vaporizer
09/03/1980EP0015151A1 Process for dissolving thermoplastic polymers in compatible liquids and the application thereof to reducing friction of hydrocarbons flowing through a conduit
09/02/1980CA1084869A1 Use of radication-induced polymers as friction reducing agents
08/1980
08/12/1980CA1083478A1 Abrasive resistant choke
07/1980
07/22/1980US4213476 Method and system for producing and transporting natural gas
07/22/1980CA1081974A1 Plant and process for recovering waste heat
07/15/1980US4212312 Mixing with solvent, water and nonionic surfactant
06/1980
06/17/1980US4208251 Coking coal, condensing and liquefying volatile by-products to form dispersion, pumping
06/10/1980US4206610 Method and apparatus for transporting coal as a coal/liquid carbon dioxide slurry
06/03/1980CA1078611A1 Method for preparing a load of coal for transport by ship
05/1980
05/27/1980USRE30281 Transportation of waxy hydrocarbon mixture as a slurry
05/20/1980US4203472 Device for stopping fluid flow from a pipe
04/1980
04/29/1980CA1076450A1 Method of and means for terminating a detonation wave
04/22/1980CA1076001A1 Fluid pressure control apparatus
03/1980
03/19/1980EP0008628A1 Aqueous coal slurry and method for transporting it
03/11/1980US4192767 Aqueous surfactant solutions and oil-in-water emulsions
03/11/1980US4192755 Process for recovering hydrocarbons from a hydrocarbon-bearing formation
03/11/1980US4192658 Pipeline flame arrestor
03/11/1980US4192657 Return loops of narrow tubes in liquid heat transfer fluid
03/11/1980US4192656 Array of spaced apart tubes in cooling fluid
03/11/1980US4192655 Pipeline, compensating for joule-thompson effect
03/11/1980CA1073399A1 Method and system for transporting natural gas to a pipeline
02/1980
02/26/1980US4190069 Process for transmitting a hydrocarbon fluid through a pipeline
01/1980
01/22/1980US4184325 Plant and process for recovering waste heat
01/15/1980US4183369 Method of transmitting hydrogen
01/08/1980US4182358 System for limiting rate of pressure rise in pipeline during hydraulic impact
12/1979
12/27/1979WO1979001158A1 Air pressure tank
12/27/1979WO1979001154A1 Air pressure tank immersed in a lake
12/18/1979US4178951 Low pour point crude oil compositions
12/18/1979US4178950 Residual fuel compositions with low pour points
12/12/1979EP0006087A1 Compressed-air tank
12/12/1979EP0006086A1 Compressed-air tank placed under water or such
12/11/1979US4178155 Pipeline blow down technique
11/1979
11/27/1979US4175779 Stress control collar
11/20/1979CA1066745A1 Production of solid fuel-water slurries
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