On the gas separation coefficient at an electric centrifugal pump suction

Authors: A.A. Gareev (Oil and Gas Production Department Nizhnesortymskneft, RF, Nizhnesorymsky)

Key words: electric centrifugal pump (ECP), oil production, oil globule motion, gas emission, gas separation.

At present the derivation of formula for the gas separationcoefficient calculation at the well pump suction is carried out taking into account a number of assumptions and nonmetering acting forces. As a result it is forced to abandon the obtained expression and to suggest empirical formulas proposed by P.D. Lyapkov. However, at the same time the obtained separation coefficient is overestimated. The purpose of this paper is to obtain a theoretical derivation of gas separation coefficient and estimation of its value.

References

1. Mishchenko I.T., Skvazhinnaya dobycha nefti (Oil production), Moscow: Neft' i gaz Publ., 2003, pp. 424, 431.

2. Kutateladze S.S., Osnovy teorii teploobmena (Basis of the theory of heat transfer), Moscow: Atomizdat Publ., 1983, p. 284.

3. Gareev A.A., Oborudovanie i tekhnologii dlya neftegazovogo kompleksa, 2009, no. 2, pp. 21 – 25.

4. Gareev A.A., Neftyanoe khozyaystvo – Oil Industry, 2010, no. 6, pp. 90-93.

Key words: electric centrifugal pump (ECP), oil production, oil globule motion, gas emission, gas separation.

At present the derivation of formula for the gas separationcoefficient calculation at the well pump suction is carried out taking into account a number of assumptions and nonmetering acting forces. As a result it is forced to abandon the obtained expression and to suggest empirical formulas proposed by P.D. Lyapkov. However, at the same time the obtained separation coefficient is overestimated. The purpose of this paper is to obtain a theoretical derivation of gas separation coefficient and estimation of its value.

References

1. Mishchenko I.T., Skvazhinnaya dobycha nefti (Oil production), Moscow: Neft' i gaz Publ., 2003, pp. 424, 431.

2. Kutateladze S.S., Osnovy teorii teploobmena (Basis of the theory of heat transfer), Moscow: Atomizdat Publ., 1983, p. 284.

3. Gareev A.A., Oborudovanie i tekhnologii dlya neftegazovogo kompleksa, 2009, no. 2, pp. 21 – 25.

4. Gareev A.A., Neftyanoe khozyaystvo – Oil Industry, 2010, no. 6, pp. 90-93.


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