Producing sour natural gas

Details Producing sour natural gas Producing sour natural gas

E - Fixed Constructions

21

B

166/40

E21B 43/14 (2006.01) E21B 37/00 (2006.01) E21B 43/12 (2006.01) E21B 49/00 (2006.01)

Patent

CA 1245978

K 9452 A B S T R A C T A sour natural gas is produced via a well system comprising a vertical well section and a horizontal drainhole section extending through the reservoir formation. Formation plugging due to in-situ precipitation of sulphur during production operations is avoided by adequately sizing the horizontal drainhole section in the reservoir, thereby establishing near-wellbore pressures in the reservoir above the sulphur saturation pressure, without sacrificing production rates. CPRH04

495125

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