Producing sour natural gas

Details Producing sour natural gas Producing sour natural gas

1987-01-05

1988-10-18

Suchfield, George A.

Wells

Processes

Producing the well

166 50, 166902, E21B 4102, E21B 4312

Patent

active

047780070

ABSTRACT:
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.

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Deul et al., American Gas Assoc. Monthly, vol. 56, No. 1, Jan. 1974, pp. 4-6.
Hamby, Jr., T. W., et al., "Producing Mississippi's Deep, High-Pressure Sour Gas", Journal of Petroleum Technology, Jun. 1976, pp. 629-638.

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