Eccentric pipe-in-pipe downhole gas separator
AssigneeThe University of Tulsa
InventorHong-Quan Zhang
Life of this patent
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Abstract
An eccentric pipe-in-pipe downhole gas separator apparatus for separation of gas from liquid in a downhole well. The separator apparatus includes an outer tube having an inner diameter and an inner tube having an outer diameter smaller than the inner diameter of the outer tube. The inner tube is eccentric to the outer tube wherein a conduit having a crescent shaped cross-section is formed between the inner diameter of the outer tube and the outer diameter of the inner tube.
Claims13
An eccentric pipe-in-pipe downhole gas separator apparatus suspended from equipment installed downhole in a casing in a downhole well, for separation of gas from liquid in said downhole well, the apparatus comprising:
- an outer tube having a length and having an inner diameter;
- a packer between said casing and said outer tube creating a fluid tight seal;
- an inner tube having a length and having an outer diameter smaller than said inner diameter of said outer tube, said inner tube within and eccentric from said outer tube throughout the lengths of said inner tube and said outer tube,
- wherein said inner tube is set against an inner wall of said outer tube and wherein an axis of said inner tube is parallel to an axis of said outer tube, and
- wherein a conduit having a crescent shaped cross-section is formed between said inner diameter of said outer tube and said outer diameter of said inner tube.
Dependencies are inferred from the claim text.