Method and apparatus of a self-aligning sleeve for the correction of the direction of deviated boreholes
Patent
·
OSTI ID:5637784
A method and apparatus for correcting the direction of a deviated borehole having a self-aligning sleeve slideable over flexible members of the drill string assembly, which is non-rotating and substantially the same length as a flexible member of the drill string assembly, having two elliptical protrusions. There further is included a first protrusion means for centering and stabilizing the tool in the borehole. Also, a second pad-like protrusion means is included for guiding the drill bit and drill string assembly in the desired direction.
- Assignee:
- EDB-85-111113
- Patent Number(s):
- US 4501336
- OSTI ID:
- 5637784
- Country of Publication:
- United States
- Language:
- English
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