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2 036 216

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(51)

IPC

(21) (22)

Application

5061662/03, 1992-09-04

(22)

Actual filing date

1992-09-04

(45)

Published

1995-05-27

(72)

Inventor

Karaseva Ehmma ViktorovnaDedjukhina Svetlana NikolaevnaDedjukhin Aleksandr Anatol'Evich

(73)

Holder

Karaseva Ehmma ViktorovnaDedjukhina Svetlana NikolaevnaDedjukhin Aleksandr Anatol'Evich

METHOD OF DRILLING FLUID TREATMENT CONTAINING REAGENTS SUBJECTED FOR MICROBIAL DESTRUCTION Russian patent published in 1995 - IPC

Abstract RU 2036216 C1

FIELD: oil and gas mining industry. SUBSTANCE: thiazone-3,5-dimethyltetrahydro-1,3,5-thiadiazinethione is added to the drilling fluid as bactericide addition at concentration 0.1% (not less) of drilling fluid mass. Thiazone addition to the drilling liquid provides enhancement of bactericidal properties and simultaneous filtration decrease of drilling liquid. EFFECT: improved properties of drilling solution. 4 tbl

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RU 2 036 216 C1

Authors

Karaseva Ehmma Viktorovna

Dedjukhina Svetlana Nikolaevna

Dedjukhin Aleksandr Anatol'Evich

Dates

1995-05-27—Published

1992-09-04—Filed