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    Chapter and Conference Paper

    Development and Performance Evaluation of High Strength and High Temperature Resistant Plugging System for Repairing Casing Damage

    Cement slurry used for plugging in casing damage has long been faced with problems such as low strength, weak corrosion resistance, and low one-time successful rate. It is urgent to develop new plugging materi...

    Fu-hao Zhao, Wei-an Huang, Jiang-hong Jia… in Proceedings of the International Field Exp… (2024)

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    Chapter and Conference Paper

    Using Modified Value Multiplier to Measure the Effectiveness of Carbon Emission Relative Activities

    Based on the analysis of the relationship between activity cost and value creation, this paper integrates carbon emission factors into Activity Value Multiplier (AVM) model. By calculating the multiplier AVM, ...

    Fang-jun Wang, Lin Wu, Li-xin Zhu in Proceedings of the 5th International Asia … (2015)