Pressure loss identifying apparatus and method for a drilling mu

Measuring and testing – Borehole or drilling – Downhole test

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175 48, 364422, E21B 4710

Patent

active

044308922

ABSTRACT:
Methods and means are disclosed for the monitoring of conditions in a mud circulation system as used in the drilling of oil and gas wells, and to quickly detect and indicate pressure failures that may occur in that system to thereby allow for the maximum time and opportunity for remedial action.

REFERENCES:
patent: 3477526 (1969-11-01), Jones et al.
patent: 3595075 (1971-07-01), Dower
patent: 3800277 (1974-03-01), Patton et al.
patent: 4282939 (1981-08-01), Maus et al.
8/20/79 Issue of Oil & Gas Journal; Sensitive Delta-Flow Method Detects Kicks or Lost Returns; L. D. Maus, B. A. Peters, D. J. Meador, Exxon Production Research Co., Houston; pp. 125-132.

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