Pipeline transportation of heavy crude oil

Details Pipeline transportation of heavy crude oil Pipeline transportation of heavy crude oil

C - Chemistry, Metallurgy

10

G

196/206, 196/68

C10G 33/00 (2006.01) F17D 1/17 (2006.01)

Patent

CA 1137005

14 ABSTRACT OF THE DISCLOSURE Heavy crude oils are transported by pipeline from deposit location to a remote upgrading location by emulsify- ing the crude oil using deaerated sodium hydroxide solution, conveying the oil-in-waker emulsion through the pipeline, and recovery of the oil from the oil-in-water emulsion by inverting the emulsion and dewatering the resulting water- in-oil emulsion. The emulsion inversion may be effected using slaked lime, resulting in recovery of a substantial proportion of the sodium hydroxide used in the initial emulsi- fication. The sodium hydroxide solution may be recycled by a separate pipeline for reuse or treated for discharge.

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