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Liquid comprising cellulose nanofibrils and their use for oil field utilization
Liquid comprising cellulose nanofibrils and their use for oil field utilization
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机译:包含纤维素纳米原纤维的液体及其在油田利用中的用途
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摘要
The present invention relates to a drilling fluid comprising cellulose nanofibrils comprising at least 80% of cells with primary walls and charged with carboxylic acids and with acidic polysaccharides, alone or as a mixture. This additive, alone, gives the drilling fluid shear-thinning properties and is stable up to temperatures of about 180° C.
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