E - Fixed Constructions – 21 – B
Patent
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.
Gibbs Sam G.
Nolen Kenneth B.
Finlayson & Singlehurst
Lufkin Industries Inc.
LandOfFree
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