Method and column for collection and separation of oil, gas...

Details Method and column for collection and separation of oil, gas... Method and column for collection and separation of oil, gas...

E - Fixed Constructions

21

B

166/46.1

E21B 43/01 (2006.01) E21B 43/36 (2006.01)

Patent

CA 1152890

ABSTRACT Method for collection and separation of oil, gas and water from an offshore oil/gas well and a column for usage by the same. The column comprises a vertically arranged tube with a lower end resting on the sea bed and an upper closed end from which gas may be discharged by gas outlet means. Oil/gas mixture flowing out of a well head in operation of the column will be retarded by an oil column in the tube, thereby releasing gas which is collected in the upper portion of the column. Motion of the oil at the surface of the oil column will be very small, oil thereby flowing over an overflow rim into an overflow channel, from where oil is transferred to the sea surface by oil-outlet means. The motion of the mixture may be additionally dampened by horizontal webs. The column may be operated at sea depths more than 300 meters and in shallow water where the column may be constructed as part of a platform.

363877

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