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Systems, methods and apparatuses for monitoring and recovery of petroleum from earth formations

  • US 8,776,881 B2
  • Filed: 06/17/2008
  • Issued: 07/15/2014
  • Est. Priority Date: 05/13/2008
  • Status: Active Grant
First Claim
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1. A system for production of petroleum from an earth formation, the system comprising:

  • 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 disposable 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 including 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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