Calcium Petroleum Sulfonate oil is over based by making use of lime, a low boiling alcohol and carbon dioxide. This is a monoalkyl benzene solvent, demanded for several industrial applications. This is an embodiment of calcium petroleum sulfonate, toluene, propane-fractionated lubricating oil, hydrated lime and methanol. Calcium Petroleum Sulfonate oil can be used as an excellent additive in greases, rust inhibition, lubricating oils, antiwear and hydraulic fluids. This is highly soluble in napthanic, solvents and paraffinic oil. The oil can be normally handled at the room temperature.