HYDROCARBON-BASED DRILLING MUD Russian patent published in 2012 - IPC C09K8/02 

Abstract RU 2447121 C2

FIELD: chemistry.

SUBSTANCE: invention relates to oil and gas extraction industry and specifically to process liquids and drilling compositions used in well construction for drilling in. The hydrocarbon-based drilling mud contains a filtrate agent in form of either tall oil or biglital or tall oil rosin glycerine ether combined with bitumen mastic, with the following ratio of components, wt %: diesel fuel 36-40; mineralised water 50-59; emultal 1-2; organobentonite 1-2; filtrate agent 2-5.

EFFECT: high electrical stability and improved rheological and filtration properties of the drilling mud.

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RU 2 447 121 C2

Authors

Gajdarov Mitalim Magomed-Rasulovich

Sharafutdionov Zarif Zakievich

Khubbatov Andrej Atlasovich

Dates

2012-04-10Published

2010-06-11Filed