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| 配方类型： |
MISCELLANEOUS |
| 配方说明： |
Drilling Fluid for High-Temperature Wells (U.S. Patent 2,691,630) |
| 配方组成： |
Water/To make 1 bbl.
Quebracho/2 lb.
Sodium Hydroxide/1.5 lb.
Commercial Lignin/2 lb.
Bentonite/5 lb.
Starch/8 lb.
Lime/7 lb.
Petroleum/15% by volume
Barite/500 lb. |
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