Cyclic thioether compound, vegetable oil composition containing the same, their preparation and application thereof
AssigneesChina Petroleum & Chemical Corporation, Sinopec Oilfield Service Corporation, Sinopec Shengli Petroleum Engineering Co., Ltd, Drilling Technology Research Institute of Sinopec Shengli Petroleum Engineering Co., Ltd
InventorsGongrang Li, Wenbo Li, Chengjun Wang, Bingxiang Sun, Hui Tian, Ke Li, Jianghong Jia, Xudong Wang, Lei Yu, Jun Wang, Wei Wang, Lei Li
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Abstract
A cyclic thioether compound has a structure represented by the following formula (I). A vegetable oil composition contains the cyclic thioether compound. When the cyclic thioether compound is used as a drilling fluid lubricant in a drilling fluid. The lubrication performance of the drilling fluid can be significantly improved.
Claims8
A cyclic thioether compound selected from the group consisting of compounds of formulae (I-3), (I-3′), and (I-3″):
- wherein:
- m is 1, 2, or 3, n is 0, 1, or 2, m+n=3, Y1 is a 1, 2, 3-trivalent propyl group, and
- each Z, being the same or different from each other, is independently oleoyl group or linoleoyl group.
Dependencies are inferred from the claim text.