Inflatable packer
Patent
·
OSTI ID:5825335
An elongated tubular body, connected with a well string in a borehole, telescopically receives a centrally bored mandrel having an annular flange forming a piston slidable in a fluid containing reservoir formed between the wall of the body and mandrel. A dilatable and collapsible member surrounding and connected to the body intermediate its ends define an inflation chamber communicating with the fluid reservoir. Spring means, surrounding the tubular mandrel, normally urges the mandrel and body in telescopic extended relation. (2 claims)
- Assignee:
- TUL; EDB-82-054349
- Patent Number(s):
- US 3575238
- OSTI ID:
- 5825335
- Country of Publication:
- United States
- Language:
- English
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