Sensitive deep-well-drilling hook load measuring system

Details Sensitive deep-well-drilling hook load measuring system Sensitive deep-well-drilling hook load measuring system

G - Physics

01

L

73/164, 265/26

G01L 5/10 (2006.01) E21B 19/08 (2006.01) G01G 19/18 (2006.01)

Patent

CA 1054168

ABSTRACT OF THE DISCLOSURE A hook load measuring system for improving the sensitivity of such measurements in deep-well-drilling operations. It employs a transducer actuated by the hook load and an output signal from the transducer that covers the full range of hook-load variation. There is an ar- rangements for nulling the signal at any given setting, and then for measuring change in a predetermined direction with greatly increased sensitivity. -I-

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