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Jim McTurk, Ron Cleminson, Andrew Rosser: Jet pump system for forming an aqueous oil sand slurry. ACE Oil Sands, Canadian Oil Sands Commerical Trust, Canadian Oil Sands, ConocoPhillips Oilsands Partnership II, Imperial Oil Resources, Mocal Energy, Murphy Oil Company, Nexen, Petro Canada Oil and Gas, Millen White Zelano & Branigan P C, November 23, 2004: US06821060 (32 worldwide citation)

As-mined oil sand is crushed to −5 inch by a sequentially arranged pair of double roll crushers. The crushed oil sand is fed into a hopper feeding a jet pump. Water or recycled slurry is fed under pressure as motive fluid to the jet pump. The motive fluid jet(s) produced internally by the jet pump a ...


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George Cymerman, Pat Dougan, Tom Tran, Jim Lorenz, Corey Mayr: Staged settling process for removing water and solids from oils and extraction froth. AEC Oil Sands Partnership, Athabasca Oil Sands Investments, Nexen, Canadian Oil Sands Investments, Gulf Canada Resources, Imperial Oil Resources, Mocal Energy, Murphy Oil Company, Petro Canada, Millen White Zelano & Branigan P C, June 8, 2004: US06746599 (24 worldwide citation)

Diluent-diluted bitumen froth containing bitumen and naphtha diluent, hydrocarbons, water, sand and fines (collectively “dilfroth”) is fed into a vapor-tight gravity settler (‘splitter’) and temporarily retained to produce a bottom layer of tails comprising sand and middlings, a rag layer of discret ...


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Jonathan R Spence, Kevin McDowell, Mike P Wagner, Sean Sanders: Mechanical deaeration of bituminous froth. AEC Oil Sands, AEC Oil Sands Partnership, Athabasco Oil Sands Investments, Nexen, Canadian Oil Sand Investments, Conoco Oilsands Partnership, Imperial Oil Resources, Mocal Energy, Murphy Oil Company, Petro Canada Oil and Gas, Millen White Zelano & Branigan P C, May 21, 2002: US06391190 (21 worldwide citation)

Aerated bitumen froth obtained from oil sands must be deaerated so that it can be pumped through a pipeline. Mechanical shearing is effective to deaerate bitumen froth to an air content of below 10 volume percent. Mechanical deaeration of bitumen froth can be achieved either by passing the froth thr ...


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Cymerman George, Coward Julian, Mcturk Jim: Traitement de sables petroliferes sur place, At the mine site oil sands processing. Cymerman George, Coward Julian, Mcturk Jim, Canadian Oil Sands, Canadian Oil Sands Partnership, Petro Canada Oil And Gas, Murphy Oil Company, Nexen, Mocal Energy Limit, BENNETT JONES, April 8, 2008: CA2453697 (19 worldwide citation)

A process line comprising a combination of mobile and relocatable equipment units is provided at an oil sand mine site. The process line may comprise: a mobile shovel; a mobile bin and double roll crusher; a relocatable conveyor belt extending along the mine face; a relocatable slurry preparation as ...


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Karl W Oberjohn: Linear motion brake. Nexen Group, Alan Kamrath, October 24, 2000: US06135029 (16 worldwide citation)

A brake (10) includes a first friction element (30) secured to the sliding plate (16) of a linear motor (12) and a second friction element (36) secured to the base plate (14) of the linear motor (12), with the friction elements (30, 36) located outside of the linear motor (12) in a direction general ...


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Bernard Compton Chung, Mintu Bose, Stewart Allan Morton, Kenneth James Elkow, Ed Erlendson: Methods of improving heavy oil production. Nexen, Santosh K Chari, Blake Cassels & Graydon, May 5, 2009: US07527096 (10 worldwide citation)

The invention provides an improved method for producing heavy oil or bitumen in a reservoir. The invention involves directing the formation of a solvent fluid chamber through the combination of directed solvent fluid injection and production at combinations of horizontal and/or vertical injection we ...