二连油田成藏规模小，构造复杂，油藏类型多，受沉积环境和构造破碎影响，储层非均质性严重。
Erlian Oilfield is a small sandstone oil reservoir with complex structural reservoir and serious conflict between formations because of sediment environment and structure fragmentation.
构造的不确定性、储集层的非均质性及钻井过程中的各种工程因素，都使水平井的钻井成功率受到影响，新开发区块更是如此。
Structural uncertainty, reservoir's anisotropic and various engineering factors in drilling can influence the success rate of drilling horizontal Wells, especially in new development zone.
濮城油田文51断块区是一个典型的多油层非均质油藏， 油气分布受构造—岩性双重因素控制。
The fault-block W51 is a typical multizones hetergenous reservoir, the oil-gas distribution is controlled by structure and lithology .
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