摘要 |
<p>A composition for viscosifying a nonaqueous base liquid. The composition has an alkoxylated alcohol having the general formula : X-O-(CnH2nO)y-(C2H4O)z-H wherein X is an organyl group having from 3 to 40 carbon atoms, n is 2, 3 or 4, y is 0 to 6, and z is 3-20, and an organophilic clay. The base liquid is an oleaginous liquid which is liquid at 25°C and is substantially immiscible in water.</p> |