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2 744 890

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(51)

IPC

C09K8/35(2006-01-01)

(21) (22)

Application

2020128848, 2020-08-31

(24)

Start date

2020-08-31

(22)

Actual filing date

2020-08-31

(45)

Published

2021-03-16

(72)

Inventor

Khafizov Ajrat RimovichYangirov Farit NailovichDikhtyar Tatyana DmitrievnaYakhin Artur RamilevichIbatullin Artemij Sergeevich

(73)

Holder

Federalnoe Gosudarstvennoe Byudzhetnoe Obrazovatelnoe Uchrezhdenie Vysshego Obrazovaniya Gosudarstvennyj Neftyanoj Tekhnicheskij Universitet"

LUBRICANT ADDITIVE FOR WATER-BASED DRILLING FLUIDS Russian patent published in 2021 - IPC C09K8/35

Abstract RU 2744890 C1

FIELD: drilling oil and gas wells.

SUBSTANCE: invention relates to the field of drilling oil and gas wells, in particular to lubricating additives for regulating the properties of water-based drilling fluids. The lubricating additive for water-based drilling flushing fluids contains, wt%: tall oil - 18-22; polyglycols - 26-32; flotation reagent oxal - 15-18; neutralizing agent - 3-6; isopropyl alcohol - 9-11; soybean oil - 18-22.

EFFECT: improvement of lubricating, anti-seizing, water-repelling and surface-active properties of clay and clayless biopolymer flushing solutions, improving the quality of opening oil and gas productive formations by improving the permeability of the porous space of reservoirs.

1 cl, 2 tbl, 2 ex

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RU 2 744 890 C1

Authors

Khafizov Ajrat Rimovich

Yangirov Farit Nailovich

Dikhtyar Tatyana Dmitrievna

Yakhin Artur Ramilevich

Ibatullin Artemij Sergeevich

Dates

2021-03-16—Published

2020-08-31—Filed