Well-testing exploration is the last step of discovering and verifying oil and gas in petroleum and natural gas exploration, following the seismic exploration, well locating, and logging-analysis.

试油勘探是石油和天然气勘探中，继地震勘探和井位研究部署、钻井勘探、测井分析完成后，进行油气层验证及油气发现的最后一个环节。

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Understanding of the geological conditions under which oil and gas are formed came quickly from the data of oil exploration and inferences from the chemical composition of petroleum and natural gas.

石油和天然气勘探资料和对石油天然气化学成分的预测加速了人们对石油、天然气形成地质条件的了解。

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On the basis of analyzing the natural gas resources and geological rules, a research evaluation was carried out for the exploration targets in the regions governed by the North China Petroleum Bureau.

在天然气资源与地质规律分析的基础上，对华北局所属探区的勘探目标进行了研究评价，提出了“十五”勘探计划部署原则及指导思想。

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