济阳坳陷埕岛地区下古生界潜山断裂特征及控藏作用
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TE112

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国家重大专项《渤海湾盆地精细勘探关键技术》,项目编号:2016ZX05006


Fault characteristics and their controls on hydrocarbon accumulation of Lower Paleozoic buried hills in Chengdao area, Jiyang Depression
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    摘要:

    下古生界做为埕岛地区主要含油层系之一,经历了一轮勘探高潮之后陷入沉寂。本文在对埕岛地区下古生界潜山的断裂进行系统分析的基础上,通过对已钻井的解剖,综合断层的活动性质和力学性质,分析断层封堵性的差异,探讨了断层的封堵机理,创新性的提出了古断层和具有压扭性的断层具有较好的封堵性的认识,对埕岛潜山的封堵模式进行了修正,指出了潜山斜坡和负向构造是下一步有利的勘探方向,该认识在勘探实践中得到了进一步的证实,实现了潜山勘探的新突破,增强了潜山勘探的信心,打开了勘探局面。

    Abstract:

    As one of the main oil-bearing strata in Chengdao area, the Lower Paleozoic has experienced a round of exploration climax and fallen into silence. On the basis of systematic analysis of the faults in the Lower Paleozoic buried hills in Chengdao area, this paper analyses the differences of fault sealing ability through the analysis of drilled wells, the active and mechanical properties of faults, explores the sealing mechanism of faults, innovatively puts forward the knowledge that the ancient faults and compressive-torsional faults have better sealing ability, and puts forward the sealing mode of Chengdao buried hills. It is pointed out that the slope and negative structure of the buried hill are the favorable exploration direction for the next step. This knowledge has been further proved in exploration practice, which has realized a new breakthrough in buried hill exploration, enhanced the confidence of buried hill exploration and opened up the prospecting situation.

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景安语. 济阳坳陷埕岛地区下古生界潜山断裂特征及控藏作用[J]. 科学技术与工程, 2020, 20(15): 6011-6017.
Jing Anyu. Fault characteristics and their controls on hydrocarbon accumulation of Lower Paleozoic buried hills in Chengdao area, Jiyang Depression[J]. Science Technology and Engineering,2020,20(15):6011-6017.

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  • 收稿日期:2019-08-27
  • 最后修改日期:2020-06-15
  • 录用日期:2019-11-11
  • 在线发布日期: 2020-06-24
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