鄂尔多斯盆地姬塬地区上三叠统坡折带、斜坡类型与油藏的关系

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鄂尔多斯盆地姬塬地区上三叠统坡折带、斜坡类型与油藏的关系

窦伟坦

文章导航 > 沉积学报 > 2010 > 28(6): 1129-1134

窦伟坦. 鄂尔多斯盆地姬塬地区上三叠统坡折带、斜坡类型与油藏的关系[J]. 沉积学报, 2010, 28(6): 1129-1134.

引用本文:

窦伟坦. 鄂尔多斯盆地姬塬地区上三叠统坡折带、斜坡类型与油藏的关系[J]. 沉积学报, 2010, 28(6): 1129-1134.

DOU Weitan. Relationship of SlopeBreak, Slope Type with Hydrocarbon PoolForming of the Upper Triassic from Jiyuan Area, the Northwestern Ordos Basin[J]. Acta Sedimentologica Sinica, 2010, 28(6): 1129-1134.

Citation:

DOU Weitan. Relationship of SlopeBreak, Slope Type with Hydrocarbon PoolForming of the Upper Triassic from Jiyuan Area, the Northwestern Ordos Basin[J]. Acta Sedimentologica Sinica, 2010, 28(6): 1129-1134.

窦伟坦. 鄂尔多斯盆地姬塬地区上三叠统坡折带、斜坡类型与油藏的关系[J]. 沉积学报, 2010, 28(6): 1129-1134.

引用本文:

窦伟坦. 鄂尔多斯盆地姬塬地区上三叠统坡折带、斜坡类型与油藏的关系[J]. 沉积学报, 2010, 28(6): 1129-1134.

Citation:

鄂尔多斯盆地姬塬地区上三叠统坡折带、斜坡类型与油藏的关系

窦伟坦

中国石油长庆油田分公司/低渗透油气田勘探开发国家工程实验室西安710021

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窦伟坦

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Relationship of SlopeBreak, Slope Type with Hydrocarbon PoolForming of the Upper Triassic from Jiyuan Area, the Northwestern Ordos Basin

DOU Weitan

The Changqing Petroleum Corporation, Petrochina/State Engineering Laboratory of Low Permeability Hydrocarbon Field Exploration and Development, Xi'an 710021; 

More Information

Corresponding author: DOU Weitan

摘要

摘要: 通过盆地边界性质、沉积相类型、地层厚度、沉积序列与砂体空间组合特征及砂岩的粒度变化与物性的研究，结合地震相对姬塬地区上三叠统延长组长4+5—长7油层组湖盆古地貌的恢复结果，认为鄂尔多斯盆地西北缘、西缘、西南缘、东南缘的沉积边界受构造控制，属于构造坡折带，形成以冲积扇、扇三角洲、辫状河三角洲共同发育的沉积格局；盆地东北缘和北缘为扰曲宽缓盆地边缘性质，属于沉积坡折带，发育缓坡曲流河三角洲沉积体系。姬塬地区三角洲前缘可划分为坡型前缘和台型前缘两种斜坡带类型。位于坡型前缘的砂体厚度大、物性好，是低渗背景上相对高渗带发育区，为油藏聚集的有利场所。该成果为在大型坳陷型盆地中寻找三角洲相隐蔽油气藏提供了新的研究思路与勘探方向。
- 坡折带（线） /
- 三角洲坡型前缘与台型前缘 /
- 斜坡带类型与油藏 /
- 上三叠统延长组 /
- 姬塬地区 /
- 鄂尔多斯盆地
Abstract: The northwestern, western, southern and southeastern depositional margin of the Ordos basin is tectonic slopebreak controlled by tectonic movement occurred at the end of the Triassic, where alluvial, fandeltaic and braideddeltaic sedimentary suite developed. While the eastern and northeastern margin belong to depositional slopebreak because of its gently uplifting during the late Triassic, which resulted in the meanderingdeltaic sedimentary system. Two types of slopes including slopeshapedfront and platformfront can be recognized in the Jiyuan area, northwestern Ordos Basin, based upon analysis on feature of the basin margin, types of depositional facies and sediments, thickness of the strata, spatial assemblage and distribution of the sandstone bodies, and changes of the sandstone grain size, combined with seismic interpretation for topographic form of the Chang 4+5Chang 7 lake basin. Research result shows that sandstones at the slopeshapedfront are of greater thickness with relatively developed secondary dissolution pores and higher permeability values in delta front setting where sandstones tend to be of low porosity and very low permeability. Thus, sandstones at the slopeshapedfront with the better reservoir potential in Jiyuan area are optimistic regions for hydrocarbon accumulation. This study will provide a new idea and a fresh approach to explore and search for hidden oil pools at a delta depositional system in depression basins.
- slopebreak zone (line) /
- slopeshaped delta front and platformshaped delta front /
- slope types and hydrocarbon pool /
- the Yanchang Formation of the Upper Triassic /
- Jiyuan area /
- the Ordos Basin

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[1]	尹泽, 刘自亮, 彭楠, 沈芳, 谭梦琪, 王玉冲, 梁雨晨, 王红伟. 鄂尔多斯盆地西缘上三叠统延长组沉积相特征研究 . 沉积学报, 2019, 37(1): 163-176. doi: 10.14027/j.issn.1000-0550.2018.156
[2]	刘广林, 王亚玲, 马爽, 韩天佑, 陈璐, 楚美娟, 时志强. 鄂尔多斯盆地姬塬地区延长组长6油藏成藏条件和充注模式 . 沉积学报, 2019, 37(6): 1152-1161. doi: 10.14027/j.issn.1000-0550.2019.087
[3]	杨华, 傅强, 齐亚林, 周新平, 龚宁, 黄少雄. 鄂尔多斯盆地晚三叠世延长期古湖盆生物相带划分及地质意义 . 沉积学报, 2016, 34(4): 688-693. doi: 10.14027/j.cnki.cjxb.2016.04.009
[4]	. 鄂尔多斯盆地吴堡地区上三叠统延长组原油地球化学特征及油源对比 . 沉积学报, 2013, 31(2): 374-383.
[5]	. 鄂尔多斯盆地富县地区上三叠统延长组砂质碎屑流沉积特征及其油气勘探意义 . 沉积学报, 2012, 30(6): 1042-1052.
[6]	姚泾利. 鄂尔多斯盆地华庆地区延长组长6砂岩绿泥石膜的形成机理及其环境指示意义 . 沉积学报, 2011, 29(1): 72-79.
[7]	陈飞. 陕北地区上三叠统延长组三角洲骨架砂体粒度特征 . 沉积学报, 2010, 28(1): 58-67.
[8]	廖一. 鄂尔多斯盆地姬塬地区长8油层组高分辨率层序分析 . 沉积学报, 2010, 28(3): 481-488.
[9]	李相博. 大型坳陷湖盆沉积坡折带特征及其对砂体与油气的控制作用——以鄂尔多斯盆地三叠系延长组为例 . 沉积学报, 2010, 28(4): 717-729.
[10]	傅强. 鄂尔多斯盆地晚三叠世延长组长6期湖盆坡折带特征及其地质意义 . 沉积学报, 2010, 28(2): 294-298.
[11]	韩永林. 姬塬地区长8油层组浅水三角洲沉积特征 . 沉积学报, 2009, 27(6): 1057-1067.
[12]	王峰. 鄂尔多斯盆地北部上古生界盒8储层特征及控制因素分析 . 沉积学报, 2009, 27(2): 238-245.
[13]	王昌勇. 鄂尔多斯盆地姬塬地区长6油层组物源区分析 . 沉积学报, 2008, 26(6): 933-938.
[14]	夏青松. 鄂尔多斯盆地南部上三叠统延长组震积岩的发现及地质意义 . 沉积学报, 2007, 25(2): 246-252.
[15]	刘林玉. 鄂尔多斯盆地镇北地区长3储层微观非均质性的实验分析 . 沉积学报, 2007, 25(2): 224-229.
[16]	王琪, 禚喜准, 陈国俊, 史基安, 王多云. 鄂尔多斯盆地盐池—姬源地区三叠系长4+5砂岩成岩演化特征与优质储层分布 . 沉积学报, 2005, 23(3): 397-405.
[17]	王峰, 王多云, 高明书, 姚永朝, 王志坤, 李树同, 秦红. 陕甘宁盆地姬塬地区三叠系延长组三角洲前缘的微相组合及特征 . 沉积学报, 2005, 23(2): 218-224.
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鄂尔多斯盆地姬塬地区上三叠统坡折带、斜坡类型与油藏的关系

窦伟坦

中国石油长庆油田分公司/低渗透油气田勘探开发国家工程实验室西安710021

通讯作者: 窦伟坦

收稿日期: 1900-01-01
修回日期: 1900-01-01
刊出日期: 2010-12-10

关键词:

摘要: 通过盆地边界性质、沉积相类型、地层厚度、沉积序列与砂体空间组合特征及砂岩的粒度变化与物性的研究，结合地震相对姬塬地区上三叠统延长组长4+5—长7油层组湖盆古地貌的恢复结果，认为鄂尔多斯盆地西北缘、西缘、西南缘、东南缘的沉积边界受构造控制，属于构造坡折带，形成以冲积扇、扇三角洲、辫状河三角洲共同发育的沉积格局；盆地东北缘和北缘为扰曲宽缓盆地边缘性质，属于沉积坡折带，发育缓坡曲流河三角洲沉积体系。姬塬地区三角洲前缘可划分为坡型前缘和台型前缘两种斜坡带类型。位于坡型前缘的砂体厚度大、物性好，是低渗背景上相对高渗带发育区，为油藏聚集的有利场所。该成果为在大型坳陷型盆地中寻找三角洲相隐蔽油气藏提供了新的研究思路与勘探方向。

English Abstract

Relationship of SlopeBreak, Slope Type with Hydrocarbon PoolForming of the Upper Triassic from Jiyuan Area, the Northwestern Ordos Basin

DOU Weitan

The Changqing Petroleum Corporation, Petrochina/State Engineering Laboratory of Low Permeability Hydrocarbon Field Exploration and Development, Xi'an 710021; 

Corresponding author: DOU Weitan

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2010-12-10

Keywords:

Abstract: The northwestern, western, southern and southeastern depositional margin of the Ordos basin is tectonic slopebreak controlled by tectonic movement occurred at the end of the Triassic, where alluvial, fandeltaic and braideddeltaic sedimentary suite developed. While the eastern and northeastern margin belong to depositional slopebreak because of its gently uplifting during the late Triassic, which resulted in the meanderingdeltaic sedimentary system. Two types of slopes including slopeshapedfront and platformfront can be recognized in the Jiyuan area, northwestern Ordos Basin, based upon analysis on feature of the basin margin, types of depositional facies and sediments, thickness of the strata, spatial assemblage and distribution of the sandstone bodies, and changes of the sandstone grain size, combined with seismic interpretation for topographic form of the Chang 4+5Chang 7 lake basin. Research result shows that sandstones at the slopeshapedfront are of greater thickness with relatively developed secondary dissolution pores and higher permeability values in delta front setting where sandstones tend to be of low porosity and very low permeability. Thus, sandstones at the slopeshapedfront with the better reservoir potential in Jiyuan area are optimistic regions for hydrocarbon accumulation. This study will provide a new idea and a fresh approach to explore and search for hidden oil pools at a delta depositional system in depression basins.

窦伟坦. 鄂尔多斯盆地姬塬地区上三叠统坡折带、斜坡类型与油藏的关系[J]. 沉积学报, 2010, 28(6): 1129-1134.

引用本文:

窦伟坦. 鄂尔多斯盆地姬塬地区上三叠统坡折带、斜坡类型与油藏的关系[J]. 沉积学报, 2010, 28(6): 1129-1134.

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鄂尔多斯盆地姬塬地区上三叠统坡折带、斜坡类型与油藏的关系

通讯作者:
窦伟坦

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Relationship of SlopeBreak, Slope Type with Hydrocarbon PoolForming of the Upper Triassic from Jiyuan Area, the Northwestern Ordos Basin

Corresponding author: DOU Weitan

计量

目录

鄂尔多斯盆地姬塬地区上三叠统坡折带、斜坡类型与油藏的关系

中国石油长庆油田分公司/低渗透油气田勘探开发国家工程实验室西安710021

通讯作者: 窦伟坦

English Abstract

Relationship of SlopeBreak, Slope Type with Hydrocarbon PoolForming of the Upper Triassic from Jiyuan Area, the Northwestern Ordos Basin

The Changqing Petroleum Corporation, Petrochina/State Engineering Laboratory of Low Permeability Hydrocarbon Field Exploration and Development, Xi'an 710021; 

Corresponding author: DOU Weitan

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鄂尔多斯盆地姬塬地区上三叠统坡折带、斜坡类型与油藏的关系

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Relationship of SlopeBreak, Slope Type with Hydrocarbon PoolForming of the Upper Triassic from Jiyuan Area, the Northwestern Ordos Basin

Corresponding author: DOU Weitan

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鄂尔多斯盆地姬塬地区上三叠统坡折带、斜坡类型与油藏的关系

中国石油长庆油田分公司/低渗透油气田勘探开发国家工程实验室 西安710021

通讯作者: 窦伟坦

English Abstract

Relationship of SlopeBreak, Slope Type with Hydrocarbon PoolForming of the Upper Triassic from Jiyuan Area, the Northwestern Ordos Basin

The Changqing Petroleum Corporation, Petrochina/State Engineering Laboratory of Low Permeability Hydrocarbon Field Exploration and Development, Xi'an 710021; 

Corresponding author: DOU Weitan

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窦伟坦

中国石油长庆油田分公司/低渗透油气田勘探开发国家工程实验室西安710021