Shaft alignment

Details Shaft alignment Shaft alignment

1996-11-22

2000-05-09

Browne, Lynne H.

Rotary shafts, gudgeons, housings, and flexible couplings for ro

Flexible coupling between fluid-conducting rotary shafts

Relative angular displacement of axes of shafts

464178, E21B 1702

Patent

active

060596619

ABSTRACT:
A rotary shaft assembly including a mechanism by which one part of the shaft rotates about a rotation axis which is controllably deviated from the rotation axis of the other part of the shaft. The angular extent of deviation is controllably varied by mutually rotating adjacent shaft supports about an axis which is at a non-zero angle with respect to both rotation axes. The direction in which the shaft is deviated is controlled by rotating the non-deviated shaft support with respect to a reference shaft support. The assembly includes remote control of direction and deviation and is is particularly applicable to drilling of deviated wells. Further, the assembly includes a remotely actuated and de-actuated temporary anchoring system for downhole direction sensing and deviation adjustment.

REFERENCES:
patent: 2684581 (1954-07-01), Zubin
patent: 2696264 (1954-12-01), Colmerauer et al.
patent: 2717146 (1955-09-01), Zubin
patent: 3260069 (1966-07-01), Neilson et al.
patent: 4243112 (1981-01-01), Sartor
patent: 4286676 (1981-09-01), Nguyen et al.
patent: 4290494 (1981-09-01), Blanz
patent: 4343369 (1982-08-01), Lyons et al.
patent: 4430905 (1984-02-01), Brugera
patent: 4694914 (1987-09-01), Obrecht
patent: 5495900 (1996-03-01), Falgout, Sr.

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