Single bore packer with dual flow conversion for gas lift completion
Patent
·
OSTI ID:5573034
This patent describes a method for producing a gas lift well of the type having a casing and a well packer having anchor slips and seal elements resealably set against. It comprises running a string of production tubing including a bypass seal unit into the well with the bypass seal unit having a bypass mandrel extending through a flow passage bore in the packer; pressurizing the well casing annulus above the packer with lift gas; discharging pressurized lift gas from the well casing annulus above the packer into the bypass annulus between the bypass mandrel and the packer bore; conducting lift gas through the bypass annulus and discharging it into the lower casing annulus through a radial discharge port in the packer mandrel at a location between the anchor slips and the seal elements; sealing the annular bypass flow passage with respect to the bypass mandrel bore at a location intermediate the radial discharge port of the packer mandrel and the anchor slips.
- Assignee:
- Otis Engineering Corp., Carrollton, TX (United States)
- Patent Number(s):
- US 5048610; A
- Application Number:
- PPN: US 7-491463
- OSTI ID:
- 5573034
- Country of Publication:
- United States
- Language:
- English
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