Wells – Processes – With indicating – testing – measuring or locating
Patent
1987-06-30
1989-04-18
Kisliuk, Bruce M.
Wells
Processes
With indicating, testing, measuring or locating
166370, 166304, E21B 4300
Patent
active
048218014
ABSTRACT:
An asphaltic crude oil is produced via a well system comprising a horizontal drainhole section extending through the reservoir formation. Formation plugging due to in-situ precipitation of asphalt during production operations is avoided by adequately sizing the horizontal drainhole section in the resevoir, thereby establishing near-wellbore pressures in the reservoir above the asphalt saturation pressure, without sacrificing production rates.
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Kisliuk Bruce M.
Shell Oil Company
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