Effect of Agents on Hydrate Formation and Low-Temperature Rheology of Polyalcohol Drilling Fluid |
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| Authors: | Guosheng Jiang Fulong Ning Ling Zhang Yunzhong Tu Faculty of Engineering China University of Geosciences Wuhan China |
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| Institution: | Guosheng Jiang,Fulong Ning,Ling Zhang,Yunzhong Tu Faculty of Engineering,China University of Geosciences,Wuhan 430074,China |
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| Abstract: | In order to ensure safe drilling in deep water and marine gas hydrate bearing sediments,the needed characteristics of drilling fluid system were analyzed.Moreover,the effect of different agents on hydrate formation and the low-temperature rheology of designed polyalcohol drilling fluid were tested,respectively.The results show that clay can promote gas hydrate growth,while modified starch and polyalcohol can inhibit hydrate formation to some extent,and PVP K90 has a good performance on hydrate inhibition.Th... |
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| Keywords: | deep water marine gas hydrate polyalcohol drilling fluid hydrate inhibition low-temperature rheology |
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