Single trip casing hanger/packoff running tool
Patent
·
OSTI ID:5469276
This paper describes a well tool for running a casing hanger and an annulus packoff into a wellhead housing. It comprises: a tubular inner mandrel with means to connect it to a pipe running string; an annular outer body surrounding the inner mandrel; an outer sleeve surrounding the outer body; a tubular locking mandrel surrounding an upper portion of the inner mandrel; a tubular inner body surrounding a lower portion of the inner mandrel and surrounded by a lower portion of the tubular locking mandrel; means to prevent relative rotation between the outer body and the locking mandrel; means on the outer body to attach an annulus packoff to the tool; and means on the inner body to attach a casing hanger to the tool.
- Assignee:
- FMC Corp., Chicago, IL (United States)
- Patent Number(s):
- A; US 5069288
- Application Number:
- PPN: US 7-638876
- OSTI ID:
- 5469276
- Country of Publication:
- United States
- Language:
- English
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