Effect of inert fibre on performance of B. eurycoma as rheology and filtration control additive in water-based drilling fluid
by T.O. Salawudeen; Akeem Olatunde Arinkoola; M.O. Jimoh; K.K. Salam; Emmanuel O. Ogunmola
International Journal of Petroleum Engineering (IJPE), Vol. 2, No. 3, 2016

Abstract: B.Eurycoma also known as 'Achi' is one of the lesser known legumes which have not been fully utilised. It is employed in food industry as thickener. In order to create new market for the product, this paper investigates its potential in the production of water based drilling fluid. The fluid was developed using clay from Ohia in Abia State, Nigeria. The effect of Achi with Coconut and Corn starch fiber was investigated on rheology and filtration. Clay beneficiation was achieved by examining KOH, NaOH and NaHCO3 at different concentrations and time. The best chemical was selected and modified clay was combined with de-fattened Achi, corn starch and coconut fiber for drilling fluid production using experimental design technique. A smaller fluid loss (12 ml/30 Mins/100 psi) when compared to the API recommended value (15 ml/30 Mins/100 psi) was obtained. However, the rheology requires further improvement to meet the API recommended standard.

Online publication date: Tue, 24-Jan-2017

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