Systems, methods and apparatuses for monitoring and recovery of petroleum from earth formations
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United States of America Patent
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Jul 15, 2014
Grant Date -
Nov 19, 2009
app pub date -
Jun 17, 2008
filing date -
May 13, 2008
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Abstract
A system for production of petroleum from an earth formation. The system includes: an injection assembly disposable within a first borehole for injecting a thermal source into the formation, the injection assembly including an injector extending from a distal end of the assembly; and a production assembly disposal within a second borehole for recovering material including the petroleum from the formation, the production assembly including a collector extending from a distal end of the assembly. At least one of the injector and the collector includes at least a first conduit and at least a second conduit concentric with the first conduit, the first conduit having a first distal end and the second conduit having a second distal end, the first and second distal ends located at different locations along a length of at least one of the first and second borehole.
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