在后续的构造沉积演化中，经埋藏而形成稠油封堵油藏，此类油藏具有较强的隐蔽性。

In consequent structural and deposit evolution, it tends to shape heavy oil-sealing reservoir with highly hidden nature.

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在制定油气开发方案前，必须建立一个完整的构造演化、沉积作用、成岩作用的综合模式，进而预测有利构造沉积成岩相带。

So, before a development scheme of oil and gas is formulated, a synthetic model on structural evolution, sedimentation, and diagenesis should be set up to predict the favourable zones.

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本文提出了拉伸煤盆地最一般的沉积—构造模式，并用以解释盆地结构的演化和泥炭聚积的条件。

A generalized sedimentary-tectonic model for extensional coal basin is presented, together with the explanation for the evolution of basin architecture and the conditions of peat accumulation.

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