The Dead Sea has a high level of salinity.
死海的盐分浓度很高。
The invention has excellent filtration reduction property under high temperature and high salinity drilling environment.
本发明在高温、高盐度钻井环境下具有优异的降滤失性能。
The invention has excellent filtration reduction property under high temperature and high salinity drilling environment.
本发明在高温、高盐度钻井环境下具有优异的降滤失性能。
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