Improving the waterproofing efficiency by using a plugging compound | Zendy

И Г Фаттахов | Zendy; L S Kuleshova | Zendy; Sh.Kh. Sultanov | Zendy; V V Mukhametshin | Zendy; А С Жиркеев | Zendy; А. К. Сахапова | Zendy

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Improving the waterproofing efficiency by using a plugging compound

Author(s) -

И Г Фаттахов,

L S Kuleshova,

Sh.Kh. Sultanov,

V V Mukhametshin,

А С Жиркеев,

А. К. Сахапова

Publication year - 2021

Publication title -

proceedings of oilgasscientificresearchprojects institute socar

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.409

H-Index - 11

eISSN - 2218-8622

pISSN - 2218-6867

DOI - 10.5510/ogp2021si200591

Subject(s) - anhydrite , gypsum , chloride , mixing (physics) , inflow , suspension (topology) , aqueous solution , materials science , petroleum engineering , pulp and paper industry , chemistry , geology , composite material , metallurgy , engineering , mathematics , organic chemistry , oceanography , physics , quantum mechanics , homotopy , pure mathematics

Increasing the efficiency of water shut-off works is one of the important tasks for the sustainable well operation. The article discusses the use of various plugging compositions for water inflow into a well isolating, their advantages and disadvantages, conditions of use, and presents the results of a study of the proposed composition. The composition of an aqueous solution of polyaluminium chloride and a suspension of gypsum anhydrite is considered. The composition contains 45-55 mass percent of 15-25 percent aqueous solution of polyaluminium chloride and 45-55 mass percent suspension of gypsum anhydrite at a water-solid ratio of 0.9. The technical result is an increase in the efficiency of water inflow into the well isolating by obtaining a homogeneous, dense plugging mass formed by mixing the components of the composition and gaining maximum strength over time. Keywords: well; water cut; isolation; water inflow; plugging mass; bottomhole formation zone; oil production; polyaluminium chloride; anhydrite.

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