Well packer
Patent
·
OSTI ID:6454202
This patent describes a well packer comprising: a tubular body mandrel having a central longitudinal flow passage; a drag spring assembly mounted on the body mandrel for engaging a well bore wall to hold the drag spring assembly for relative rotational and longitudinal movement of the body mandrel therein; and a locking assembly including longitudinally spaced slip expanders and expandable slips in a slip carrier arranged for movement of the slips.
- Assignee:
- Otis Engineering Corp., Dallas, TX
- Patent Number(s):
- US 4671354
- OSTI ID:
- 6454202
- Country of Publication:
- United States
- Language:
- English
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