Drilling mud testing system having a thermally isolated pump

Measuring and testing – Borehole or drilling – Downhole test

Patent

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Details

73 614, G01N 2500

Patent

active

045108005

ABSTRACT:
A system for testing drilling mud includes viscosity measuring tubes and other instruments for testing the parameters of drilling mud. The mud is heated to an elevated temperature and recirculates in a closed flow path which includes the measuring instrumentation. A diaphragm pump successively withdraws a column of mud from the flow path and discharges mud into the flow path to effect the recirculation. A pumping column between the flow path and the pump contains a column of drilling mud which thermally isolates the pump from the hot mud in the flow path.

REFERENCES:
patent: 2688923 (1954-09-01), Bonaventura et al.
patent: 3473368 (1969-10-01), Roper

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