Tilt detector and system

Details Tilt detector and system Tilt detector and system

1975-05-02

1977-08-30

Aegerter, Richard E.

Geometrical instruments

Indicator of direction of force traversing natural media

Structurally installed including relation to feature thereof

33 1H, 33 1N, 33352, 175 7, G01C 906, G01C 922

Patent

active

040444732

ABSTRACT:
A tilt detector is provided especially for use in operating sub-sea drilling equipment including a tool stack at the ocean floor. One such detector is carried by the stack to produce a first output; another detector is carried by a riser pipe near a ball joint interconnecting the stack and pipe to produce a second output, and the outputs are processed to facilitate maneuvering of a drilling vesssel. The detector includes:

REFERENCES:
patent: 1215425 (1917-02-01), Sperry
patent: 1423529 (1922-07-01), King et al.
patent: 1552691 (1925-09-01), Girvin
patent: 1576470 (1926-03-01), Richardson
patent: 3010214 (1961-11-01), Postlewaite
patent: 3121954 (1964-02-01), Foster
patent: 3148653 (1964-09-01), Shatto, Jr. et al.
patent: 3400464 (1968-09-01), Karol
patent: 3472032 (1969-10-01), Howard
patent: 3606687 (1971-09-01), Richardson
patent: 3816937 (1974-06-01), Burgin
patent: 3851399 (1974-12-01), Edwards

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