石油勘探与开发 >

2018 , Vol. 45 >Issue 6: 1092 - 1102

DOI: https://doi.org/10.11698/PED.2018.06.18

综合研究

断陷盆地洼槽聚油理论的发展与勘探实践——以渤海湾盆地沧东凹陷古近系孔店组为例

  • 赵贤正 ,
  • 周立宏 ,
  • 蒲秀刚 ,
  • 金凤鸣 ,
  • 姜文亚 ,
  • 肖敦清 ,
  • 韩文中 ,
  • 时战楠
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  • 中国石油大港油田公司,天津 300280
赵贤正（1962-）,男,浙江义乌人,博士,中国石油大港油田公司教授级高级工程师,李四光地质科学奖、孙越崎能源大奖获得者,主要从事油气勘探与开发综合研究和管理工作?地址：天津市滨海新区大港油田三号院,邮编：300280。E-mail: xzzhao@petrochina.com.cn

收稿日期: 2018-07-29

  修回日期: 2018-09-11

  网络出版日期: 2018-10-30

基金资助

国家科技重大专项“大型油气田及煤层气开发”（2016ZX05006-005）; 中国石油天然气股份有限公司 科技重大专项“大港油区效益增储稳产关键技术研究与应用”（2018E-11）

收起

Development and exploration practice of the concept of hydrocarbon accumulation in rifted-basin troughs: A case study of Paleogene Kongdian Formation in Cangdong Sag, Bohai Bay Basin

  • ZHAO Xianzheng ,
  • ZHOU Lihong ,
  • PU Xiugang ,
  • JIN Fengming ,
  • JIANG Wenya ,
  • XIAO Dunqing ,
  • HAN Wenzhong ,
  • SHI Zhannan
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  • PetroChina Dagang Oilfield Company, Tianjin 300280, China

Received date: 2018-07-29

  Revised date: 2018-09-11

  Online published: 2018-10-30

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摘要

依据渤海湾盆地沧东凹陷三维连片地震数据、钻井、测录井、试油及分析测试数据,对沧东凹陷古近系孔店组洼槽区构造演化、沉积储集层、烃源岩成烃演化进行研究,进一步发展了断陷盆地洼槽区常规-非常规油气聚集模式。沧东凹陷洼槽区成藏要素储集层与烃源岩具有分区性特征,具有原型洼槽和改造型洼槽两种常规-非常规油气成藏模式。洼槽形成及演化控制了常规油到非常规油的有序分布。洼槽上部构造油气藏发育,洼槽外环带为三角洲前缘形成地层-岩性油气藏的有利场所,中环过渡带为致密油发育有利区,而内环带细粒沉积相区为页岩油气勘探区。断陷盆地洼槽聚油理论的发展为老油田开展二次勘探开辟了新的建产增储领域和方向。图8表1参32

关键词： 断陷盆地; 洼槽聚油; 地层-岩性油气藏; 页岩油; 有序成藏; 渤海湾盆地; 沧东凹陷; 古近系孔店组

本文引用格式

赵贤正 , 周立宏 , 蒲秀刚 , 金凤鸣 , 姜文亚 , 肖敦清 , 韩文中 , 时战楠 . 断陷盆地洼槽聚油理论的发展与勘探实践——以渤海湾盆地沧东凹陷古近系孔店组为例[J]. 石油勘探与开发, 2018 , 45(6) : 1092 -1102 . DOI: 10.11698/PED.2018.06.18

Abstract

Based on the merged 3D seismic data, well logging, formation testing, analysis and testing data, the structural evolution, sedimentary reservoirs, thermal evolution of source rocks were investigated of Paleogene Kongdian Formation in the trough area of Cangdong Sag, Bohai Bay Basin. A conventional-unconventional hydrocarbon accumulation pattern in the trough area of rifted basin was revealed. The reservoir forming elements in the trough area of Cangdong Sag have a zonation feature in terms of reservoirs and source rocks. There are two types of reservoir forming models, primary trough and reformed trough. The formation and evolution of trough controlled the orderly distribution of conventional oil to unconventional oil in the trough. Particularly, structural reservoirs occur in the upper part of the trough, stratigraphic-lithologic reservoirs are likely to form in the delta front deposits at the outer ring of trough, the middle ring transitional belt is the favorable site for tight oil reservoirs, while the fine grain deposits zone in the inner ring is shale oil and gas exploration area. The study has pointed out the new domains and directions for searching reserves in the secondary exploration of mature oilfields.

Key words： rifted basin; trough hydrocarbon accumulation; stratigraphic-lithologic reservoir; shale oil; orderly accumulation; Bohai Bay Basin; Cangdong Sag; Paleogene Kongdian Formation

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