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Oil-based drilling fluid comprising a temperature-stable and non-polluting emulsifying system
Oil-based drilling fluid comprising a temperature-stable and non-polluting emulsifying system
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机译:包含温度稳定且无污染的乳化系统的油基钻井液
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摘要
A temperature-stable, non eco-toxic oil-base well fluid that is particularly suitable for high pressure/high temperature drilling comprises an emulsification system comprising at least one superamide that may or may not be polyalkoxylated, optionally associated with a non-ionic co-surfactant. The oil-base well fluid comprising such a system can be used at temperatures of up to about 200° C. due to the production of highly temperature-stable reverse emulsions.
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