Additives Role in Improvement of Oil-Base Mud Properties (National Iranian Oil Company)

In the beginning of the worn of rotary drilling, the function of drilling muds was to transfer the drilling cutting from the bottom of the well to the surface of the ground whereas by developing this industry drilling muds improved too. In this paper we introduce the roles of additive materials to improvement of oil-base muds.

Keywords:

Drilling , Additive , Drilling fluid , Oil-base mud