Well packers using metal to metal seals
Patent
·
OSTI ID:6567801
An improved well packer for use in sour gas wells is disclosed. The improved packer includes a cylindrical mandrel encircled with a resilient metal seal ring, means for anchoring the packer at a predetermined vertical depth, means for radially expanding the seal rings so as to cause sealing engagement with the casing and mandrel and ratchet means for maintaining the seal rings in expanded form. The packer is adapted to be run into the cased wellbore on tubing and is particularly useful in sour gas wells.
- Assignee:
- Exxon Production Research
- Patent Number(s):
- US 4127168
- OSTI ID:
- 6567801
- Country of Publication:
- United States
- Language:
- English
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