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Refinement of Bottomhole Pressure When Measuring Dynamic Head

Authors: N.A. Makhota, A.Ya. Davletbaev, G.R. Bikbulatova (RN-UfaNIPIneft LLC, RF, Ufa), A.V. Sergeychev, I.R. Yamalov (Rosneft Oil Company, RF, Moscow), R.N. Asmandiyarov (RN-Yuganskneftegas» LLC, RF, Nefteyugansk), E.V. Simon (RN-Purneftegas LLC, RF, Gubkinsky)

Key words: liquid level, gas acoustic wave velocity, bottomhole pressure.

When defining the liquid level, inaccuracies simply arise from the fact that wrong specifications are chosen for the acoustic wave velocity that is later on used in the interpretation of recorded measurements. Main objective of this paper is to evaluate results of collected sample data in the attempt of a field-wide research-campaign eager to precisely locate the dynamic level and simultaneously identify the acoustic wave velocity within the annular gas. To determine velocity we made use of sophisticated speedometer measurements tracking down the acoustic signal reflected from down-hole tubing couplings.

References
1. Khasanov M.M., Pashali A.A., Khabibullin R.A., Krasnov V.A., Nauchnotekhnicheskiy vestnik OAO “NK “Rosneft'”, 2006, no. 2, pp. 29-36.
2. Khasanov M.M., Krasnov V.A., Pashali A.A., Khabibullin R.A., Neftyanoe
khozyaystvo – Oil Industry, 2006, no. 9, pp. 48-52.
3. Silkina T.N., Bormashov V.P., Gaus P.O., Neftyanoe khozyaystvo – Oil Industry, 2005, no. 3, pp. 78-81.
4. Margarit A.S., Zhdanov I.A., Roshchektaev A.P., Gimaletdinov R.A., Neftyanoe khozyaystvo – Oil Industry, 2012, no. 12, pp. 62-65.
5. URL: http://www.quantor-t.ru/

6. URL: http://www.siamoil.ru/  

Key words: liquid level, gas acoustic wave velocity, bottomhole pressure.

When defining the liquid level, inaccuracies simply arise from the fact that wrong specifications are chosen for the acoustic wave velocity that is later on used in the interpretation of recorded measurements. Main objective of this paper is to evaluate results of collected sample data in the attempt of a field-wide research-campaign eager to precisely locate the dynamic level and simultaneously identify the acoustic wave velocity within the annular gas. To determine velocity we made use of sophisticated speedometer measurements tracking down the acoustic signal reflected from down-hole tubing couplings.

References
1. Khasanov M.M., Pashali A.A., Khabibullin R.A., Krasnov V.A., Nauchnotekhnicheskiy vestnik OAO “NK “Rosneft'”, 2006, no. 2, pp. 29-36.
2. Khasanov M.M., Krasnov V.A., Pashali A.A., Khabibullin R.A., Neftyanoe
khozyaystvo – Oil Industry, 2006, no. 9, pp. 48-52.
3. Silkina T.N., Bormashov V.P., Gaus P.O., Neftyanoe khozyaystvo – Oil Industry, 2005, no. 3, pp. 78-81.
4. Margarit A.S., Zhdanov I.A., Roshchektaev A.P., Gimaletdinov R.A., Neftyanoe khozyaystvo – Oil Industry, 2012, no. 12, pp. 62-65.
5. URL: http://www.quantor-t.ru/

6. URL: http://www.siamoil.ru/  



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