Published August 2021, Pg. 22-27

Section: Oil and gas field development and exploitation

UOT: 622.276.5:550.064.45

DOI: 10.37474/0365-8554/2021-8-22-27

Selective blocking of highly permeable reservoir channels to increase sweep efficiency

V.J. Balakchi - Institute for Oil and Gas

The article presents the results of experimental studies on the blocking insulation compositions for selective isolation of highly permeable channels and increasing the sweep efficiency factor. The paper classifies the problems of water cut growth, mentions typical methods of combating the breakthrough of injected water volumes through washed high-permeable channels. A new clay-containing dispersed composition is proposed to block the highly permeable channels of the porous medium, ensure the flow diversion of the injected water to the stagnant zones of the formation and thus increase the sweep efficiency.

References:

1. Gazizov A.A. Regulirovanie zavodneniya neodnorodnykh neftyanykh zalezhey s primeneniem osadkogeleobrazuyushchikh tekhnologiy: avtoref. diss. … d-ra tekh. nauk. – Ufa: Ufimskiy gosudarstvenniy neftyanoy tekhnicheskiy universitet, 2004, 44 s. 

2. Sagbana, P.I., Abushaikha, A.S. A comprehensive review of the chemical-based conformance control methods in oil reservoirs. Journal of Petroleum Exploration Production Technology, 2021. https://doi.org/10.1007/s13202-021-01158-6

3. Seright, R., Brattekas, B. Water shutoff and conformance improvement: an introduction. Pet. Sci. 18, pp. 450–478 (2021). https://doi.org/10.1007/s12182-021-00546-1

4. Duryagin V.N. Razrabotka neorganicheskogo vodoizolyatsionnogo sostava na osnove silikata natriya dlya nizkopronitsaemykh neodnorodnykh kollektorov / V.N. Duryagin, K.V. Srizhnev // Neftegazovoe delo, 2014, No 1, s. 14-29.

URL:http://www.ogbus.ru/authors/DuryaginVN/DuryaginVN_1.pdf

5. Honty M., De Craen M., Wang L., Madejová J., Czímerová A., Pentrák M., Stríček I., Van Geet M. The effect of high pH alkaline solutions on the mineral stability of the Boom Clay – Batch experiments at 60 оC // Applied Geochemistry vol. 25, iss. 6, P825-840 2010 DOI: 10.1016/j. apgeochem.2010.03.002.

6. Llorente I., Fajardo S., Bastidas J.M. Applications of electrokinetic phenomena in materials science // Journal of Solid State Electrochemistry, 2014. 18:293–307 DOI 10.1007/s10008-013-2267-0.

7. Pat. AZ I No a 20190119. Laylarda yuksekkechirijilikli intervallaryn tejrid edilmesi ve gebuletme profilinin nizamlanmasy uchun guru garishig terkib / G.M. Panahov, E.M. Abbasov.

8. US2013/0317135 A1; US20180265764A1. Water shut-off method for porous formations, 2018.

9. Panakhov G.M., Abbasov E.M., Yuzbashieva A.O., Balakchi V.D. Osobennosti nabukhaniya glin v rastvorakh elektrolitov // Neftepromyslovoe delo, 2019, No 4, s. 94-109. http://dx.doi.org/10.17122/ogbus-2019-4-93-109.

10. Geylani M. Panahov, Eldar M. Abbasov, Afet O. Yuzbashiyeva, Vusale J. Balakchi. Clay swelling characteristics in electrolyte solutions // Abstracts of International Conference “Modern Problems of Mathematics and Mechanics” devoted to the 60th anniversary of the Institute of Mathematics and Mechanics, 23-25 October, 2019, Baku, Azerbaijan, pp. 418-420.

11. Panakhov G.M., Abbasov E.M., Balakchi V.D. Vodoizoliruyushchie glinosoderzhashchie kompozitsii s reguliruemimi kharakteristikami nabukhaniya // Azerbaijan neft teserrufaty, 2020, No 8, s. 27-33.

12. Instruction Manual of Linear Swell Meter, Model 2100 // Manual No. 102114531, Revision D Instrument No. 102123383.