NL-mud lubricant is an additive agent used in oil drilling.It is produced with vegetable oilsand the leftover of Chinese Tallowtree seeds used as raw meterials to get a kind of Cocoa fat.Sulfonation and sulfurization are used to made the lubricant.The production process requires simple equipment,consumes less energy,causes little pollution while the product is of good properties.
Yang Yaqin; Xue Xinghua;Wei Shuguang.
A STUDY ON THE DEVELOPMENT OF NL-MUD LUBRICANT[J]. JOURNAL OF NANJING FORESTRY UNIVERSITY. 1994, 18(03): 91-94 https://doi.org/10.3969/j.jssn.1000-2006.1994.03.019
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