... exploration map 勘探图 exploration operation 勘探作业 exploration permit 勘探许可 ...
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论述海洋石油勘探作业中使用的30寸隔水套管的试制过程。
The fabrication of 30 inch conductor tubes for offshore drilling operation is described in this paper.
因此，在美国进行勘探作业的公司可以建立一个美国法律实体来雇用并赔偿在美国国内的人员。
Thus, a company with exploratory operations in the United States can establish an American entity to employ and compensate its workers domestically.
每公里二维地震成本、每平方公里三维地震成本和每米进尺钻井成本是评价勘探作业效率的关键指标。
The key indicators for evaluating the benefit of explorational activity should include 2-D seismic cost per kilometer, 3-D seismic cost per square kilometer, and drilling cost per meter in depth.
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