Gas Anchor

gas anchor

[′gas ‚aŋ·kər]
(petroleum engineering)
A downhole gas separator used to reduce gas-in-oil froth before the pump to increase pump efficiency.

Gas Anchor


a device for separating the free gas contained in a fluid being pumped in order to improve the pumping efficiency. It is used extensively in the petroleum industry for deep-well pumping operations in oil fields. There are seven main types of gas anchor; their operation is based on flow reversal, separating the flow into parts, amalgamation of gas bubbles, pressure gradients, and other methods.


Adonin, A. N. Protsessy glubinnonasosnoi neftedobychi. Moscow, 1964.
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