Continuos botton-hole pressures are measured by non - electric system. En : Invitational well - testing symposium : proceedings

Ashby, T. J.

1978

621.44
L4191
1978

The sperry - sun preasure trasmission system continously monitors bottom - hole presure from any surface control point. The reliable and rugged down - hole package uses no electronics or moving parts, therefore, the possibility of having problems with the down - hole package is very remote...

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