Determination of drill bit rate of penetration from surface meas

Details Determination of drill bit rate of penetration from surface meas Determination of drill bit rate of penetration from surface meas

1993-07-28

1995-03-21

Williams, Hezron E.

Measuring and testing

Borehole or drilling

Downhole test

E21B 4700

Patent

active

053985460

ABSTRACT:
A method of determining, from surface measurements, the rate of penetration .DELTA.d of a drill bit attached to a drill string suspended from a floating drilling rig by means of a suspension system and a motion compensator, the method comprising:

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