DEVELOPMENT OF ANHYDROUS DRILLING FLUIDS BASED ON TAGAN DEPOSIT’S SUPERHYDROPHOBIC CLAY FOR DRILLING OIL WELLS AT THE KUMKOL FIELD
Rozhkova O.V. Ibraimova D.M.-K. Musabekov K.B. Rozhkov V.I. Ermekov M.T.
2024National Academy of Sciences of the Republic of Kazakhstan
News of the National Academy of Sciences of the Republic of Kazakhstan, Series of Geology and Technical Sciences
2024#2024Issue 3146 - 163 pp.
This work shows a method for producing superhydrophobic clays from the Tagan deposit bentonite (the East Kazakhstan region) has been developed for use in the production of anhydrous drilling fluids for the oil industry. A wide range of the most diverse cationic surfactants have been used as superhydrophobizing agents. An organophilic (superhydrophobic) clay with a contact angle of 170° was obtained in the presence of tetrakis(decyl) ammonium bromide (TKDAB). It has been proved that the particles of organophilic clays have been obtained by modification TKDAB form a stable suspension in diesel fuel and do not mix at all with the aqueous phase at all. A new technological scheme for the production of orgonoclay has been developed. The formula for the obtained anhydrous drilling fluids has been presented and its technical characteristics have been determined. A technological scheme for producing drilling fluids based on orgonoclay has been developed. This drilling fluid is manufactured in accordance with the characteristics and thixotropic properties of oil at the Kumkol oilfield (Kyzylorda, Kazakhstan). It has been shown that drilling fluid can be used in oil drilling operations at the Kumkol field and other similar fields.
bentonite , drilling fluids , Kumkol oil deposit , montmorillonite , superhydrophobic clay , surfactants , technological characteristics
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АО «Science and Technology Solutions», Almaty, Kazakhstan
NJSC Al-Farabi Kazakh National University, Almaty, Kazakhstan
NJSC Saken Seifullin Kazakh Agrotechnical Research University», Astana, Kazakhstan
Altai Geological-Ecological Institute LLP, Ust-Kamenogorsk, Kazakhstan
АО «Science and Technology Solutions»
NJSC Al-Farabi Kazakh National University
NJSC Saken Seifullin Kazakh Agrotechnical Research University»
Altai Geological-Ecological Institute LLP
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