在炼化之前的石油上游环节中，钻井成本占到了总成本的60 ~ 70%，具有显著的资金密集型、知识密集型、技术密集型特征。

In the upstream link before refining, drilling cost accounts for 60 ~ 70% of overall costs, and has remarkably capital-intensive, knowledge-intensive and technology-intensive characteristics.

youdao

在炼化之前的石油上游环节中，钻井成本占到了总成本的60 ~ 70%，具有显著的资金密集型、知识密集型、技术密集型特征。

In the upstream link before refining, drilling cost accounts for 60 ~ 70% of overall costs, and has remarkably capital-intensive, knowledge-intensive and technology-intensive characteristics.

youdao