东濮凹陷桥口地区已有30多年的勘探开发历史，平均勘探程度较高，但探明储量的程度较低。
Qiaokou area in Dongpu depression with an exploration and development history over 30 years has a high average exploration level while small proved reserves.
鄂尔多斯盆地中生界油气勘探开发历史较长，目前主要面临着寻找新的有利勘探区块和层位的任务。
It is important for us to find new targets of the exploration of oil-gas in Ordos Basin, with the oilfield development in Mesozoic stratum for a long time.
回顾了我国煤炭资源勘探和开发的概略历史和主要成就。
It reviews roughly the history of coal resources prospecting and exploitation.
回顾了我国煤炭资源勘探和开发的概略历史和主要成就。
It reviews roughly the history of coal resources prospecting and exploitation.
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