Development of Extreme Pressure Anti-wear Lubricant MPA for Water Base Drilling Fluids
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摘要: 合成了一种有机硫型极压抗磨剂,对其进行结构表征和极压抗磨性评价,结果表明,合成的有机硫化物为饱和烷烃,含硫量高达35.49%,具有良好的极压抗磨性。以改性植物油为基础油,添加有机硫型极压抗磨剂、表面活性剂等环境友好型组分,研制出一种钻井液用极压抗磨润滑剂MPA。性能评价结果表明,研制的MPA配伍性好,在清水或钻井液体系中能完全分散,能优化水基钻井液性能,具有优良的润滑性能。Abstract: An extreme pressure organic sulfur anti-wear additive has been developed for use in water base drilling fluids. Structural characteristics and extreme pressure anti-wear performance evaluation showed that the organic sulfur compound is a saturated alkane, with sulfur content as high as 35.49%, and has good extreme pressure anti-wear property. An extreme pressure anti-wear additive, MPA, was developed with a modified vegetable oil as the base oil, the extreme pressure organic sulfur anti-wear additive and surfactants. The components of MPA are all environmentally friendly. Performance evaluation showed that MPA has good compatibility with other additives, and is completely dispersible in fresh water or drilling fluids. It helps optimize the properties of drilling fluids and has excellent lubricity.
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