During operations, preventive measures shall be taken against pollution of the sea by oils, oil mixtures and other wastes.

进行作业时，应当采取预防措施，防止油类、油性混合物和废弃物污染海域。

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A phase behavior test scheme is designed for condensate gas-oil mixtures with rich gaseous condensate water in abnormally high temperature and pressure.

设计了一套适合异常高温、高压富含气态凝析水的凝析油气相态测试方法，并依该方法开展了一系列的先导实验。

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When testing offshore Wells, oils and oil mixtures may not be discharged into the sea, and the gas and oil shall be thoroughly flared so as to prevent pollution of the sea.

海上试油时，油和油性混合物不得排放入海，并应当确保油气充分燃烧，防止污染海洋。

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Fracking uses high-pressure mixtures of water, sand or gravel and chemicals to crack rock formations and release oil and natural gas deep underground.

NPR: Scenic, Struggling S. Illinois Braces For Oil Rush