These are companies that own the drilling rigs. This might be a single company that owns the rig, or a small group of companies that are pooling resources. The drilling contractor drills the well, supplying the rig. [pdf]
This is a list of leaders of the People's Republic of China's Government institutions. Each institution of is headed by a chairperson or secretary, with some being more prominent than others. The holds the highest authority of the (CCP) and of the (PRC). [pdf]
[FAQS about Chinese officials]
Basic Quality (BQ) method is a basic national standard of rock mass classification suitable for different industries in geomechanics and geotechnical engineering in China. Referring to the relevant pr. [pdf]
[FAQS about Performance parameter comparison of Chinese surface rock]
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