Inferred production rates of a rod pumped well from surface...

Details Inferred production rates of a rod pumped well from surface... Inferred production rates of a rod pumped well from surface...

E - Fixed Constructions

21

B

E21B 41/00 (2006.01)

Patent

CA 2518731

A method for inferring production of a rod pumped well. Inferred production is estimated in a well manager which not only performs pump-off control with a down-hole pump card, but also estimates liquid (oil-water) and gas production using the subsurface pump as a meter. Methods are incorporated in the well manager for identifying and quantifying several conditions: pump leakage, unanchored tubing, free gas and oil shrinkage. Quantifying such conditions in the well manger enables accurate inferring of production thereby eliminating the need for traditional well tests.

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