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Oilfield Glossary
Oilfield Glossary
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Tools

dynamometer card

1. n. [Production Testing]
The record made by the dynamometer. An analysis of this survey may reveal a defective pump, leaky tubing, inadequate balance of the pumping unit, a partially plugged mud anchor, gas locking of the pump or an undersized pumping unit. The dynamometer card is also called a dynagraph.
See: mud anchor