Drilling Industry Glossary
ECD
electrical stability
elevator
equivalent hole ID
excess - cement slurry
excess lime
excess - open hole
expandable casing
Electrical Stability
Electrical stability (Volt) is the voltage of the current flowing in the mud represented by ES (Electrical Stability) value. The ES value is tested by an electrical stability tester kit. If ES value is low, the emulsion of the oil based mud is low.
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