Apparatus and method to communicate information in a borehole

Details Apparatus and method to communicate information in a borehole Apparatus and method to communicate information in a borehole

1982-02-24

1984-07-17

Martin, Jr., William D.

Geometrical instruments

Indicator of direction of force traversing natural media

Borehole direction or inclination

340858, E21B 47022

Patent

active

044597606

ABSTRACT:
The invention concerns efficient transmission of borehole survey signals or data from depth level in a borehole or well to the well surface, for analysis, display or recordation; further it concerns supply of DC power downwardly to the instrumentation via the same wireline via which such survey data or signals are transmitted upwardly.

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