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Yu-Gang Ren, Lei Yang, Yan-Jun Liu, Bao-Hua Liu, Kai-Ben Yu and Jian-Hua Zhang
Due to the need for accurate exploration of deep-sea scientific research, drilling techniques by combining the operational advantages of the Jiaolong manned submersible is considered one of the most feasible methods for deep-sea bedrock drilling. Based o...
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Jianxun Liu, Hualin Zheng, Yuchun Kuang, Han Xie and Chao Qin
The low rock breaking efficiency of conventional polycrystalline diamond compact (PDC) bits in hard abrasive formations prompts the development of PDC cutting elements from the planar structure to the non-planar structure. As an innovative non-planar cut...
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Changhang Xu, Xumei Gong, Wuyang Zhang and Guoming Chen
Polycrystalline diamond compact (PDC) bits are commonly used drill bits in the petroleum drilling industry. Cracks often occur on the surface of a bit, which may result in the unexpected suspension of the drilling operation, or even accidents. Therefore,...
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