Single well combination oil production/water dump flood apparatus and methods
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United States of America Patent
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N/A
Issued Date -
Apr 10, 2003
app pub date -
Aug 13, 2002
filing date -
Oct 10, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A subterranean well production system utilizes a single well to perform both hydrocarbon fluid production and water dumpflooding processes. The well has a primary wellbore that is communicated with first and second subterranean zones respectively containing hydrocarbon fluid and higher pressure water. A second, lateral wellbore extends from the primary wellbore and communicates with the first zone. A remotely controllable routing system, including a valved production tubing structure extending through the primary wellbore, is operable to (1) flow hydrocarbon fluid from the first zone to the surface via the production tubing and (2) simultaneously dumpflood water from the second zone into the first zone, via the production tubing, to increase the pressure within the first zone and thereby increase the hydrocarbon fluid production rate.
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