南襄盆地南阳凹陷核桃园组“源势相导”控藏作用

罗家群; 彭金宁; 杨云飞; 刘桂兰; 郭飞飞; 张帆; 闫永芳

doi:10.11781/sysydz201903319

南襄盆地南阳凹陷核桃园组“源势相导”控藏作用

doi: 10.11781/sysydz201903319

1. 中国石化河南油田分公司勘探开发研究院, 郑州 450000;
2. 中国石化石油勘探开发研究院无锡石油地质研究所, 江苏无锡 214126

基金项目:

国土资源部项目“南襄及南华北盆地油气资源动态评价”（1A14YQKYQ0107）和中国石化科技部项目“南阳凹陷核三段油气成藏条件研究”（P11069）资助。

详细信息

作者简介:
罗家群(1962-),男,硕士,教授级高级工程师,从事油气勘探综合研究工作。E-mail:luojq5186@126.com。

中图分类号: TE122.1
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出版历程
- 收稿日期: 2018-12-19
- 修回日期: 2019-04-10
- 刊出日期: 2019-05-28

Reservoir forming control of “source-potential-facies-migration” in Hetaoyuan Formation of Nanyang Sag, Nanxiang Basin

1. Exploration & Development Research Institute of Henan Oil Field Company, SINOPEC, Zhengzhou, Henan 450000, China;
2. Wuxi Research Institute of Petroleum Geology, SINOPEC, Wuxi, Jiangsu 214126, China

摘要

摘要: 南襄盆地南阳凹陷核桃园组油气勘探实践表明，油气受“源势相导”共控成藏，即烃源岩、流体势、地质相和输导层的协同控制。“源控”作用表现为近源控藏，“相控”作用表现为高孔渗、优相控藏，“势控”作用表现为低界面势能控藏，“导控”作用表现为断层和优势砂体控藏。通过典型油气藏解剖结果显示，南阳凹陷核桃园组烃源岩、流体势、地质相的控油气作用的模式为“近源-低势-优相”，油气主要分布在中高势-中相区和中势-优相区，油气运移遇断层后向钝角方向呈胡同式侧向运移，富集于正向断块。白秋地区核三段的油气汇聚优于魏岗地区，因此是下一步的有利勘探区。
- 流体势 /
- 沉积相 /
- 相-势耦合 /
- 核桃园组 /
- 古近系 /
- 南阳凹陷 /
- 南襄盆地
Abstract: The hydrocarbon exploration practice of the Hetaoyuan Formation in the Nanyang Sag indicates that the hydrocarbon distribution is controlled by “source-potential-facies-migration”, that is, the coordinated control of source rock, fluid potential, geologic facies and migration channel. The effect of “source control” reflects near source-controlled reservoir, the effect of “facies control” reflects high porosity and permeability, and superior facies-controlled reservoir, the effect of “potential control” reflects low interfacial potential energy-controlled reservoir, and the effect of “migration control” reflects fault and dominant sand body-controlled reservoir. According to typical oil and gas reservoir analysis, the hydrocarbon controlling pattern of the Hetaoyuan Dormation in the Nanyang Sag is “near source-low potential-superior facies” one, and hydrocarbon mainly distributed in the middle-high potential and middle facies area, as well as the middle potential-superior facies area. After meeting faults, hydrocarbon migration presented an alley lateral migration pattern in obtuse angle direction and concentrated in positive fault blocks. It is predicted that hydrocarbon accumulation in the He-3 member of the Baiqiu area is better than that of in the Weigang area, which is considered to be a favorable exploration area in the next step.
- fluid potential /
- sedimentary facies /
- facies-potential coupling /
- Hetaoyuan Formation /
- Nanyang Sag /
- Nanxiang Basin /

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