A Comparative Study of Diesel Oil and Soybean Oil as Oil-Based Drilling Mud

Table 2

Base properties of oil for use as OBMs.

Property	Aniline point (°C)	Pour point (°C)	Flash point (°C)	Fire point (°C)	Kinematic; viscosity at 40°C, Cst	Aromatic; content (%)
Base oil required properties	>65	<Ambient temperature	>66	>80	2.3–3.5	4–8
Diesel oil	145	−18	66	108	2.7–3.4	25% v/v
Soybean oil	60	−20	330	342	31.8	N/A

Source: Yassin et al., 1991 [10].