Abstract
This work is on the use of locally sourced cassava starch for the improvement of the rheological properties of water based mud. The efficiency of drilling operation is enhanced by the application of drilling mud with suitable additives. In this experiment, the mud samples were formulated in the absence and presence of various concentrations of cassava starch. The production method of the mud and the determination of its rheological and allied properties were carried out based on the API mud production standards. From the analyses of the experimental results, water based mud with 4% locally sourced cassava starch appears to be the optimum concentration. The cassava starch additive improves the rheological properties of the drilling mud.
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