Downhole locking apparatus
Patent
·
OSTI ID:5792834
This patent describes a run-in tool comprising: a tubular housing having wireline engagable means on the upper end thereof; a plurality of peripherally spaced latch windows in the lower portions of the tubular housing; a plurality of latch elements respectively radially movable relative to the latch windows; a latch operating sleeve telescopically cooperating with the bore of the tubular housing; a bearing surface on the latch operating sleeve engagable, in one axial position of the latch operating sleeve, with the latch elements to secure same in a radially expanded position of engagement with the lock mandrel for run-in purposes; first shearable means securing the latch operating sleeve to the tubular housing in the one axial position; and second shearable means for securing the latch operating sleeve to the locking tool; the second shearing means being shearable only by upward jarring forces.
- Assignee:
- Baker Hughes Inc., Houston, TX
- Patent Number(s):
- US 4823872
- OSTI ID:
- 5792834
- Country of Publication:
- United States
- Language:
- English
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