Investigating the Effect of Electrolytes and Temperature on Rheological Properties of Jatropha Oil Based Mud

Abstract

Numerous studies have been carried out on diesel as base fluid in oil-based drilling fluids, and have concluded that diesel oil-based mud is highly environmentally unfriendly and expensive to dispose. One of the ways to avoid these problems while keeping the advantages of oil-based muds is to substitute diesel in muds with environmentally friendly oils, such as Jatropha oil. This study examined the rheological properties of Jatropha oil based mud in the presence of sodium chloride and potassium chloride salts, and at increasing temperature of the muds. The results showed that salinity and temperature have negative effects on flow properties of oil-based drilling fluids. It also showed that jatropha oil based mud exhibits less adaptability than diesel oil based mud under high salinity and temperature condition, hence there is the need to improve the rheological properties of jatropha oil based mud under this condition. Finally it was revealed that Jatropha oil-based mud possesses great chances of being a technically viable replacement for Diesel oil-based mud.

Evaluation of the Effects of Nanofluid on the Lubricity of Oil-based Mud

“…A drilling fluid is typically pumped through the drill string and is subsequently introduced to the bottom of the bore hole as it squirts out from the drill bit nozzles [1]. This action cools and lubricates the drill bit and helps to convey rock debris/drill cuttings from the drilling area to the surface [2][3][4][5][6].…”

Investigating the effect of high thermal–saline conditions on the rheological properties of waste vegetable oil biodiesel-based emulsion mud

“…Both water-based mud and oil-based mud are widely used for this purpose. However, oil-based drilling muds are extensively preferred because they offer additional features such as: great ability to withstand high temperatures, provision of faster penetration rates and shale stability, as well as lubricious feature which makes them to be specially used to drill horizontal and deviated wells, thereby overcoming any risk of differential pipe sticking, and also inert to salt and anhydrite contamination (Fadairo et al 2012). Mineral oil-based mud formulations have been used to meet these desirable features in more unreceptive drilling environments (Plank 1992).…”