Drilling fluid, drilling method, and drilling fluid additive

An object of the present invention is to provide an environmentally friendly drilling fluid that has excellent cuttings transport capability and excellent hole cleaning capability. A drilling fluid according to the present disclosure is a drilling fluid containing water, biodegradable fibers, and a...

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Bibliographic Details
Main Authors Naganawa, Shigemi, Mukai, Ryutaro
Format Patent
LanguageEnglish
Published 30.04.2024
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Summary:An object of the present invention is to provide an environmentally friendly drilling fluid that has excellent cuttings transport capability and excellent hole cleaning capability. A drilling fluid according to the present disclosure is a drilling fluid containing water, biodegradable fibers, and a thickener. The thickener contains a biodegradable polysaccharide. The content of the biodegradable polysaccharide in the drilling fluid is greater than or equal to 0.01 g/L and less than or equal to 5 g/L.
Bibliography:Application Number: US202017614807