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    Chapter and Conference Paper

    Development of a New Type Two-Stage Cutting Composite Bit

    In drilling engineering, the timeliness of drill bits is very important, which affects drilling speed and drilling cost. This paper aims at improving economic and technical indexes of single bit and achieving ...

    Yanchao Sun, Yichang Zhang, Qibing Wang in Proceedings of the International Field Exp… (2020)

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    Chapter and Conference Paper

    Optimization Design of Drilling Speed in Sulige Gas Field

    Ordos basin formation contains a lot of sandstone, strong abrasive property, large amount of mud and sand. The lower part of Yanchang formation has high hardness, poor drillability, and serious dip**, which ...

    Yanchao Sun, Yue Su, Shengming Huang in Proceedings of the International Field Exp… (2020)

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    Chapter and Conference Paper

    Design of Oil and Gas Well Ground Manifold Connecting Aid

    During the construction of drilling engineering, the connection of the blowout line is inconvenient in the well field. Nowadays, there is no effective auxiliary connection tool. In this paper, according to the...

    Yanchao Sun, Mingxue Chen, Shengming Huang in Proceedings of the International Field Exp… (2020)