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2 534 353

(13)

(51)

IPC

C09K8/35(2006-01-01)

C09K8/36(2006-01-01)

(21) (22)

Application

2013134914/03, 2013-07-23

(24)

Start date

2013-07-23

(22)

Actual filing date

2013-07-23

(45)

Published

2014-11-27

(72)

Inventor

Jakovlev Igor' Grigor'EvichOvchinnikov Vasilij PavlovichRozhkova Oksana Vladimirovna

(73)

Holder

Federal'Noe Gosudarstvennoe Bjudzhetnoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennyj Neftegazovyj Universitet"

COMPOUND EMULSIFIER FOR PRODUCTION OF INVERT EMULSION MUD BASED ON MINERAL OIL AND USED FOR PENETRATION OF PRODUCTIVE STRATA Russian patent published in 2014 - IPC C09K8/35 C09K8/36

Abstract RU 2534353 C1

FIELD: oil and gas industry.

SUBSTANCE: invention is related to oil and gas industries, in particular to components of oil-based drill mud emulsifiers. The compound emulsifier for invert emulsion mud contains the following ingredients, wt %: tall oil 30-40, ethylene glycol 10-20, emulsifier EKS-EM 20-40, unhydrated lime 10-20.

EFFECT: provision of long-term electrical stability for emulsifier.

1 tbl

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RU 2 534 353 C1

Authors

Jakovlev Igor' Grigor'Evich

Ovchinnikov Vasilij Pavlovich

Rozhkova Oksana Vladimirovna

Dates

2014-11-27—Published

2013-07-23—Filed