DRILLING AGENT FOR DRILLING VERTICAL HOLES (VERSIONS) Russian patent published in 2011 - IPC C09K8/24 

Abstract RU 2436825 C1

FIELD: gas and oil production.

SUBSTANCE: according to first version drilling agent contains, wt %: bentonite PBMA 6.0-7.0, soda ash 0.1-2.0, caustic soda 0.1-0.5, Givpan 0.2-0.3, Lubriol 1.0, water - the rest. According to the second version drilling agent contains, wt %: bentonite PBMA 5.0, soda ash 0.1-0.5, caustic soda 0.1-0.5, Givpan 0.2-0.3, Kamcel PAC-VV 0.1-0.3, Kamcel PAC-SV 0.1-0.3, Lubriol 1.0, ALS 0.2-0.3, PES 0.1-0.2, water - the rest. According to the third version drilling agent contains, wt %: bentonite PBMA 2.0, soda ash 0.1-0.5, caustic soda 0.1-0.5, Kamcel PAC-VV 0.1-0.2, Kamcel PAC-SV 0.2, Lubriol 1.0, ALS 0.2-0.3, PES 0.1, water - the rest.

EFFECT: accident-free hole drilling under complicated mining-geological conditions, control over pH and removal of ions Ca2+ incoming into solution from carbonate rock.

3 cl, 8 tbl

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RU 2 436 825 C1

Authors

Storonskij Nikolaj Mironovich

Vasil'Chenko Ljudmila Jur'Evna

Nigmatullina Anisa Galim'Janovna

Dates

2011-12-20Published

2010-05-04Filed