B - Operations – Transporting – 65 – G
Patent
B - Operations, Transporting
65
G
302/3, 196/68
B65G 51/00 (2006.01) B65G 53/00 (2006.01) C10G 7/10 (2006.01) F17D 1/16 (2006.01)
Patent
CA 1133542
ABSTRACT OF THE DISCLOSURE Crude oils or tars such as those obtained in arctic areas can be efficiently transported through pipelines at subzero or higher temperatures in the form of a dispersion of the oil in a methanol or a methanol-water dispersing medium. Thus, oil-methanol or oil-methanol-water dispersions, preferably those containing about 50 to 80 volume percent of the oil which are stabilized by the dispersant, can readily be pumped through buried pipelines at temperatures below 0°C without causing thawing of the permafrost or the frozen body lying adjacent the pipeline. The necessary methanol can be pre- pared from natural gas produced along with the crude oil or from the gas cap of the same or another oil or gas field, thereby obviating the use of a separate pipeline to transport the natural gases. The methanol can readily be recovered from the dispersion, for use as a fuel or a chemical raw material, once the dispersion reaches a suitable destination.
228454
Hooker Phillip R.
Marsden Sullivan S.
Board Of Trustees Of The Leland Stanford Junior University
Gowling Lafleur Henderson Llp
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