The problem of borehole instability in the Triassic system and the Carboniferous system has been kept as a major difficulty in the exploration and development of this oilfield.
塔河油田三叠系、石炭系井眼失稳问题一直是该油田勘探与开发的技术难点。
The dark mudstone in Triassic system of Tanzhuang Formation which rich for organic substance is mainly source rocks, which has large thickness, wide distribution and great burial depth.
研究区三叠系谭庄组有机质丰富的暗色泥岩是主要烃源岩，它厚度大、分布广，埋藏深度也大。
The dark mudstone in Triassic system of Tanzhuang Formation which rich for organic substance is mainly source rocks, which has large thickness, wide distribution and great burial depth.
研究区三叠系谭庄组有机质丰富的暗色泥岩是主要烃源岩，它厚度大、分布广，埋藏深度也大。
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