Development of the algorithm for prevention of hydrate formation in the underground equipment during oil production

Authors: I.A. Zhdanov, A.S. Margarit, M.I. Kuzmin (Gazpromneft NTC LLC, RF, Saint-Petersburg), S.A. Shadymuhamedov (Gazprom Neft JSC, RF, Saint-Petersburg)

Key words: hydrate, well extraction, complications, underground equipment, algorithm.

The developed algorithm allows to calculate the depth of hydrate flowing wells according to the well design, reservoir characteristics, mode of operation of the well and the physical and chemical properties, as well as the depth of hydrate mechanized wells into account the characteristics of ESP.

References

1. Ostergaard K.K., Tohidi B., Danesh A. et al. A General Correlation for Predicting the Hydrate-Free Zone of Reservoir Fluids//SPE Prod. & Facilities, Vol. 15, No. 4, November 2000. – pp. 228-233.

2. Ostergaard K.K., Tohidi B., Proceedings. of the 4th Int. Conf. on Gas Hydrates

(ICGH4), Yokohama, Japan, 19-23 May 2002, pp. 384-387.

3. Instruktsiya po kompleksnomu issledovaniyu gazovykh i gazokondensatnykh

plastov i skvazhin (Instructions to complex research of gas and gas condensate

reservoirs and wells): edited by Zotov G.A., Aliev Z.S., Moscow: Nedra Publ., 1980, 301 p.

4. Margarit A.S., Zhdanov I.A., Roshchektaev A.P., Gimaletdinov R.A., Neftyanoe

khozyaystvo – Oil Industry, 2012, no.12, pp. 62-65.

5. Kuptsov S. M., Teplofizicheskie svoystva plastovykh zhidkostey i gornykh porod

neftyanykh mestorozhdeniy (Thermophysical properties of reservoir fluids and

rocks of oil fields), Moscow: OOO “Nedra-Biznestsentr” Publ., 2008, 205 p.

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