Well sealing apparatus and method
Patent
·
OSTI ID:6754632
This patent describes a sealing apparatus adapted to be run into a well. It comprises: an elongate running-in tool having a cylindrical packer and a cylindrical adaptor releasably engaging the packer; an annular resilient sealing element mounted on the running-in tool and disposed externally thereof for engagement with the well; and a split ring expander means positioned on the running-in tool internally of the sealing element and adapted to expand radially outwardly from a retracted position on the running-in tool to an expanded position for urging the sealing element into sealing engagement with the well.
- Assignee:
- NOV; EDB-90-121650; NOV-90-023151
- Patent Number(s):
- A; US 4930577
- Application Number:
- PPN: US 7-348207A
- OSTI ID:
- 6754632
- Country of Publication:
- United States
- Language:
- English
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