patentIn recovering bitumen from tar sand by separation using an aqueous liquid, contamination of the aqueous phase with dispersed, finely divided solids is prevented by a mild heat treatment of the bituminous sand to reduce its water content before the sand is contacted with the aqueous liquid
reportAn apparatus and method for (1) reducing agglomerated masses of tar sand and (2) recovering as...
patentA method and apparatus for extracting bitumen whereby tar sand containing bitumen components i...
patentA method and apparatus for extracting bitumen from tar sand utilizes a plurality of individual...
patentMethods for the recovery of bitumen from tar sands comprising the steps of mixing tar sand, so...
patentA method for separating bitumen from tar sand by solvent extraction with efficient separation ...
patentA method of removing bitumen from tar sand for subsequent recovery of the bitumen. The method ...
patentOil sand is mixed with steam and water in a tumbler to produce a slurry. The slurry is then tr...
patentA process for recovering bitumen, or heavy petroleum, from admixture with sand and similar ino...
patentA process for the separation and recovery of bitumen from dry tar sands or sands with negligib...
patentAn extraction process for recovering bitumens from tar sands in which the tar sand is mixed wi...
patentTar sand is upgraded to produce a hydrocarbon having a low concentration of water and solids b...
patentA combination physical separation process and thermal fluidized bed process for recovering pro...
patentA method of removing bitumen from tar sand for subsequent recovery of the bitumen. The method ...
The present invention relates to a process for the recovery of bitumen from an oil sand comprising t...
patentA competent permeable communication zone connecting injection and production wells completed i...
reportAn apparatus and method for (1) reducing agglomerated masses of tar sand and (2) recovering as...
patentA method and apparatus for extracting bitumen whereby tar sand containing bitumen components i...
patentA method and apparatus for extracting bitumen from tar sand utilizes a plurality of individual...
patentMethods for the recovery of bitumen from tar sands comprising the steps of mixing tar sand, so...
patentA method for separating bitumen from tar sand by solvent extraction with efficient separation ...
patentA method of removing bitumen from tar sand for subsequent recovery of the bitumen. The method ...
patentOil sand is mixed with steam and water in a tumbler to produce a slurry. The slurry is then tr...
patentA process for recovering bitumen, or heavy petroleum, from admixture with sand and similar ino...
patentA process for the separation and recovery of bitumen from dry tar sands or sands with negligib...
patentAn extraction process for recovering bitumens from tar sands in which the tar sand is mixed wi...
patentTar sand is upgraded to produce a hydrocarbon having a low concentration of water and solids b...
patentA combination physical separation process and thermal fluidized bed process for recovering pro...
patentA method of removing bitumen from tar sand for subsequent recovery of the bitumen. The method ...
The present invention relates to a process for the recovery of bitumen from an oil sand comprising t...
patentA competent permeable communication zone connecting injection and production wells completed i...
reportAn apparatus and method for (1) reducing agglomerated masses of tar sand and (2) recovering as...
patentA method and apparatus for extracting bitumen whereby tar sand containing bitumen components i...
patentA method and apparatus for extracting bitumen from tar sand utilizes a plurality of individual...