Well conduit joint sealing system
Patent
·
OSTI ID:5443164
A system is described for sealing conduit joints in a well comprising: a. a metal seat in a well conduit, the seat having a frusto-conical sealing surface; and b. seal unit means including: a metal mandrel, having an upper end connection, a first lower end outside frusto-conical sealing surface sealingly engageable with the well conduit seat, and a second larger outside frusto-conical sealing surface above the first sealing surface, a metal seal ring, having inside and outside sealing surfaces, the inside sealing surface being sealingly engageable with the second mandrel sealing surface and the outside sealing surface being sealingly engageable with the conduit seat, and means for slidably connecting the ring on the mandrel.
- Assignee:
- Otis Engineering Corp., Dallas, TX
- Patent Number(s):
- US 4602796
- OSTI ID:
- 5443164
- Country of Publication:
- United States
- Language:
- English
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