Sand control is an important guarantee for normal production and environmental protection.

防砂是油藏正常生产的重要保证,也是环境保护的需要.

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The sand - control project has entered a new stage on a gigantic scale.

防沙 治沙 进入了工程化、规模化建设新阶段.

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Sand production and sand control are main problems during development of loose sand.

出砂、防砂问题是疏松砂岩油气层开发过程中永恒的主题.

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