Method and system for preventing sulphur deposition in...

Details Method and system for preventing sulphur deposition in... Method and system for preventing sulphur deposition in...

E - Fixed Constructions

21

B

166/54

E21B 37/00 (2006.01) E21B 36/00 (2006.01)

Patent

CA 1302873

T 5743 CAN A B S T R A C T METHOD AND SYSTEM FOR PREVENTING SULPHUR DEPOSITION IN HIGH-H2S PRODUCTION WELLS Sulphur precipitation in the production tubing of a well producing fluid with a high hydrogen sulphide content is reduced by circulating a hot fluid down through an insulated circulating pipe string, which coaxially surrounds the production tubing, and up through the annulus between said pipestring and the surrounding formation, thereby heating the production tubing in an energy efficient manner. EIRH04

547249

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