НЕФТЯНАЯ ПРОВИНЦИЯ

Abstract

​

The efficiency of operation of wells with abnormal operating conditions - the formation of asphalt-resinous paraffin deposits of hydrocarbons (ARPD), can be achieved only with constant monitoring and control of complications development.

To form an approach when working with a complicated fund, laboratory experiments were conducted to determine the conditions for the organic-scales formation in a wellhead oil sample at pressures of 17 and 34 atm. The studies were carried out by high-pressure microscopy with software granulometric analysis.

Analysis of data from the results of experiments made it possible to determine the rate of formation of organic-scales particles. Temperature dependence of average particle area at two pressures is obtained. It is shown that the temperature of formation of organic-scales particles in oil increases with increasing pressure, and the rate of their formation decreases.

Based on the forecast model of ARPD formation in the program module, it is proved that there is no risk of ARPD formation in oil-well tubing regardless of well flow rate at current watering in conditions of the field under consideration.

Key words:

​

paraffin saturation point, organic deposits, heavy oil, visual method of investigation, complicated stock

References

​​

1. Ijeomah, C. E., Dandekar, A. Y., Chukwu, G. A., Khataniar, S., Patil, S. L., and Baldwin, A. L. (2008). Measurement of Wax Appearance Temperature under Simulated Pipeline (Dynamic) Conditions. Energy and Fuels, 22(4), 2437–2442.

2. Karan K. et al. Evaluation of asphaltene instability and a chemical control during production of live oils //Petroleum science and technology. – 2003. – Т. 21. – №. 3-4. – pp. 629-645.

3. Sherman, A. M., Geiger, A. C., Smith, C., Taylor, L. S., Hinds, J., Stroud, P. and Simpson, G. J. (2019). Stochastic Differential Scanning Calorimetry by Nonlinear Optical Microscopy. Analytical Chemistry.

4. Vicky Kett, Simon Gaisford, Peter Haines (2016). Principles of Thermal Analysis and Calorimetry.

5. Kok, M. V., Létoffé, J.-M., Claudy, P., Martin, D., Garcin, M. and Volle, J.-L. (1996). Comparison of wax appearance temperatures of crude oils by differential scanning calorimetry, thermomicroscopy and viscometry.

6. Hu Y. F. et al. Measurement and corresponding states modeling of asphaltene precipitation in Jilin reservoir oils //Journal of Petroleum Science and Engineering. – 2004. – Т. 41. – №. 1. – pp. 169-182.

7. Sandyga, M. S., Struchkov, I. A. and Rogachev, M. K. (2020). Formation damage induced by wax deposition: laboratory investigations and modeling. Journal of Petroleum Exploration and Production Technology, 10(6), 2541-2558.7. Paso K., Kallevik H. and Sjoblom J. Measurement of wax appearance temperature using near-infrared (NIR) scattering. Energy & Fuels, 2009. – 23(10), 4988-4994.

8. Jamaluddin A. K. M. et al. A comparison of various laboratory techniques to measure thermodynamic asphaltene instability //SPE Asia Pacific Improved Oil Recovery Conference. – Society of Petroleum Engineers, 2001. – pp. 260-267.

9. Jiang B., Qiu L., Li X., Yang S., Li K., Chen H. (2014). Measurement of the wax appearance temperature of waxy oil under the reservoir condition with ultrasonic method. Petroleum Exploration and Development, 41(4), 509–512.

10. Bacon, M. M., Romero-Zeron, L. B. and Chong, K. (2009). Using Cross-Polarized Microscopy To Optimize Wax-Treatment Methods. SPE Annual Technical Conference and Exhibition.

11. Sharma, B. K. (2001). Engineering chemistry(Vol. 5). Meerut: Krishna Prakasan Media (P) Ltd.

12. Struchkov, I.A., Rogachev, M.K. Wax precipitation in multicomponent hydrocarbon system. J Petrol Explor Prod Technol 7, 543–553 (2017).

​

Authors

​

I.A. Stetsyuk, chief manager of oil and gas production department, LLC RN- Purneftegaz

3, mkr. 10, Gubkinsky, Yamalo-Nenets Autonomous District, 629830, Russian Federation

Email: iastetsyuk@png.rosneft.ru

 

M.I. Korolev, Ph.D., chief field engineer, LLC RN-Purneftegaz

3, mkr. 10, Gubkinsky, Yamalo-Nenets Autonomous District, 629830, Russian Federation

Email: korolevhik@yandex.ru

 

P.V. Roschin, Ph.D., chief expert of the bureau of experts, SamaraNIPIneft LLC

69/3, Prospekt Oktyabrya st., Ufa, 450054, Russian Federation

Email: roschinpv@samnipi.rosneft.ru

 

I.A. Struchkov, Ph.D., head of the group of the department of geology and field development of joint ventures, Tyumen Petroleum Research Center

79/1, Osipenko st., Tyumen, 625002, Russian Federation

Email: iastruchkov@tnnc.rosneft.ru

For citation:

​

I.A. Stetsyuk, M.I. Korolev, P.V. Roschin, I.A. Struchkov Izuchenie uslovij obrazovanija chastic tverdoj fazy v tjazheloj vysokovjazkoj nefti mestorozhdenij Zapadnoj Sibiri [Study of the organic-scales formation in heavy oil of the Western Siberia field]. Neftyanaya Provintsiya, No. 4(28), Part 2, 2021. pp. 327-342. DOI https://doi.org/10.25689/NP.2021.3.327-342 (in Russian)