Abstract—Investigation on rheological and fluid loss properties of water based drilling mud containing acid modified
fufu starch is presented. Hydrochloric acid at 8% and 16% was used, aiming at improving
fufu performance as a fluid loss agent under extreme drilling temperature of 300 F. Three formulations of mud weights of 75, 100 and 150 pcf were used, as proposed by the API and NISOC standards. Rheological properties, which are apparent viscosity, plastic viscosity, yield point and gel strength for the modified
fufu showed significant improvement when 16% acid was employed. A significant amount of fluid loss reduction was obtained within light and average mud weights formulation (75pcf and 100pcf). Although none of the samples (modified and unmodified) meet the NISOC fluid loss standard requirement for the applied temperature, a great improvement was observed in ascending order of 16%HCl > 8%HCl > unmodified
fufu WBMs, accordingly.
Index Terms—Drilling mud, fluid loss,
fufu, starch
Raheleh Samavati and Norhafizah Abdullah are with the Faculty of Chemical and Environmental Engineering, Universiti Putra Malaysia, 43400, UPM Serdang, Malaysia (e-mail: Samavati_Raheleh@yahoo.com, nhafizah@upm.edu.my).
[PDF]
Cite: Samavati R., Abdullah N., Tahmasbi Nowtarki K., Hussain S. A., and Awang Biak D. R., "Rheological and Fluid Loss Properties of Water Based Drilling Mud Containing HCl-Modified Fufu as a Fluid Loss Control Agent," International Journal of Chemical Engineering and Applications vol. 5, no. 6, pp. 446-450, 2014.
