REAGENT FOR TREATING DRILLING MUDS Russian patent published in 1998 - IPC

Abstract RU 2107708 C1

FIELD: drilling fluids. SUBSTANCE: invention confers drilling mud necessary operational parameters without additionally treating it by other chemical reagents and provides stability of its properties under salt corrosion conditions and drilled out rock action, while simultaneously accelerating formation of mudding layer upon drilling with this mud and preserving inhibition capability. Reagent contains (in wt %): starch, 4-8; sodium metasilicate, 0.5-6.0; sodium hydroxide, 0.1-0.5; aluminum sulfate or potash alum, 0.3-1.5; and water, the balance. EFFECT: improved operational quality. 5 tbl

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RU 2 107 708 C1

Authors

Sukhikh Ju.M.

Tataurov V.G.

Natsepinskaja A.M.

Garshina O.V.

Dates

1998-03-27—Published

1996-02-26—Filed