Well bore measurement tool

Details Well bore measurement tool Well bore measurement tool

E - Fixed Constructions

21

B

33/92

E21B 47/02 (2006.01) E21B 33/124 (2006.01) E21B 43/26 (2006.01) E21B 47/08 (2006.01)

Patent

CA 1305856

ABSTRACT OF THE DISCLOSURE A well bore measurement tool comprising: a support member; a plurality of pivot arms, each including a first section having a first end pivotally connected to the support member and a second end, and each of the arms further including a second section having a first end pivotally connected to the second end of the first section and having a second end; and a driving device, connected to the support member and to the second ends of the second sections of the pivot arms, for commonly moving the pivot arms so that the second ends of the first sections and the first ends of the second sections are simultaneously moved outwardly from the support member and for exerting independent forces on the pivot arms.

615982

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