Horizontal drilling

Wells – Processes – Distinct – separate injection and producing wells

Reexamination Certificate

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C166S372000, C166S272700

Reexamination Certificate

active

07404439

ABSTRACT:
A method and apparatus for recovering viscous hydrocarbons from a subsurface reservoir holding the same using an essentially horizontal well bore having a production inlet and containing steam injection tubing that carries a plurality of jet nozzles oriented to emit steam along said injection tubing towards said production inlet.

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