| drilling fluid | น้ำโคลนเจาะ [ธรณีวิทยา๑๔ ม.ค. ๒๕๔๖] |
| drilling mud | (n) a mixture of clays and chemicals and water; pumped down the drill pipe to lubricate and cool the drilling bit and to flush out the cuttings and to strengthen the sides of the hole, Syn. drilling fluid |