Survey tool string

Details Survey tool string Survey tool string

1980-12-24

1983-04-19

Novosad, Stephen J.

Wells

Receptacles

Lateral ports used in well

166241, E21B 4100, E21B 4700

Patent

active

043802648

ABSTRACT:
A tool for housing a magnetic directional survey instrument for inserting the instrument into a deviated well bore. Means are provided on the tool for circulating well fluids past the tool while it is in the well bore. There is provided means, connectable on the tool, for centering the tool in the vertical, as well as the deviated portion of a well bore.

REFERENCES:
patent: 2594551 (1952-04-01), Gist
patent: 3104711 (1963-09-01), Haagensen
patent: 3123141 (1964-03-01), Towell
patent: 4223746 (1980-09-01), Tanguy

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