Exploitation method for reservoirs containing hydrogen sulphide
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United States of America Patent
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Jan 29, 1991
Issued Date -
N/A
app pub date -
Jun 12, 1989
filing date -
Oct 2, 1987
priority date (Note) -
Expired
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Abstract
A method of producing fluids from subterreanean reservoirs containing hydrogen sulphide and especially those reservoirs where elemental sulphur or hydrogen polysulphides are present. The method describes the use of a jet pump, chemical injection, and downhole electrical heaters to prevent the deposition of elemental sulphur within the production tubulars of wells penetrating such reservoirs by raising the pressure, temperature, and sulphur solvency of fluids being produced up these wells. In this way, subterranean reserves of sulphur and hydrogen sulphide which were previously unproducible or too expensive to produce can be commercially exploited.
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