Downhole pressure measurements of drilling mud

Details Downhole pressure measurements of drilling mud Downhole pressure measurements of drilling mud

1980-02-05

1981-11-03

Myracle, Jerry W.

Measuring and testing

Borehole or drilling

Downhole test

E21B 4710

Patent

active

042978807

ABSTRACT:
Pressure measurements of drilling mud inside the drill string and outside by transducers mounted in an instrumentation sub near the drill bit provide rapid notice of the instrusion of fluids or solids into the borehole and also permit appropriate adjusting of the mud pumping pressure.

REFERENCES:
patent: 2924432 (1960-02-01), Arps et al.
patent: 3422672 (1969-01-01), Payne

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