珠江口盆地恩平凹陷文昌组浊积体含油气性分析

陈国俊

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珠江口盆地恩平凹陷文昌组浊积体含油气性分析

陈国俊

文章导航 > 沉积学报 > 2008 > 26(5): 881-885

陈国俊. 珠江口盆地恩平凹陷文昌组浊积体含油气性分析[J]. 沉积学报, 2008, 26(5): 881-885.

引用本文:

陈国俊. 珠江口盆地恩平凹陷文昌组浊积体含油气性分析[J]. 沉积学报, 2008, 26(5): 881-885.

CHEN Guo-jun. Analysis of the Oil and GasBearing Turbidite Within Wenchang  Formation in Enping Depression, Pearl River Mouth Basin, China[J]. Acta Sedimentologica Sinica, 2008, 26(5): 881-885.

Citation:

CHEN Guo-jun. Analysis of the Oil and GasBearing Turbidite Within Wenchang  Formation in Enping Depression, Pearl River Mouth Basin, China[J]. Acta Sedimentologica Sinica, 2008, 26(5): 881-885.

陈国俊. 珠江口盆地恩平凹陷文昌组浊积体含油气性分析[J]. 沉积学报, 2008, 26(5): 881-885.

引用本文:

陈国俊. 珠江口盆地恩平凹陷文昌组浊积体含油气性分析[J]. 沉积学报, 2008, 26(5): 881-885.

Citation:

珠江口盆地恩平凹陷文昌组浊积体含油气性分析

陈国俊

中国科学院地质与地球物理研究所气体地球化学重点实验室兰州 730000

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通讯作者:
陈国俊

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Analysis of the Oil and GasBearing Turbidite Within Wenchang  Formation in Enping Depression, Pearl River Mouth Basin, China

CHEN Guo-jun

Key Laboratory of Gas Geochemistry, Chinese Academy of Sciences,Lanzhou〖KG1〗730000

More Information

Corresponding author: CHEN Guo-jun

摘要

摘要: 岩性油气藏是目前油气勘探开发的重要方向和热点研究领域。珠江口盆地恩平凹陷古近系文昌组发育一厚300余米、面积约140 km2的浊积砂体，其上下岩性均为深湖—半深湖相暗色细粒沉积物。文昌组是该盆地最主要的烃源岩，具有形成岩性油气藏的物质条件。以地震资料为主，结合地质和测井等综合技术，对该浊积体的含油气性进行了综合分析。研究表明，浊积体具有低频振幅能量增强、高频振幅能量降低的特点；同时AVO异常，在浊积体下部表现出同相轴下拉现象。EP1731井钻遇该浊积体边缘，在浊积砂体深度（4 552～4 642 m）出现异常高压。这些特点都是含油气的表现。因此，该浊积砂体是有利的勘探目标，也是该区获得油气勘探开发重大突破的希望所在。
- 油气 /
- 浊积体 /
- 文昌组 /
- 恩平凹陷
Abstract: Exploration and development of lithologic oilgas reservoirs are important directions and hot research areas. Zhu1 Depression of Pearl River Mouth Basin has an annual crude oil output over 10 million tons,but the industrial value of the reservoir has not been found in subtectonic units:Enping Depression. In lower Tertiary Wenchang Formation in Enping Depression, there is a set of turbidite sand with 300 meters thickness and 140 km2 area and up and down it are halfdeep to deep lacustrine sedimentary facies fine sediments.Geological and geochemical study shows that the main hydrocarbon source rocks from Wenchang Formation developed well and there is the condition to form lithologic Oilgas reservoirs. Based on seismic data, combined geological and logging technology, hydrocarbon potential of turbidite has been comprehensively analyzed in Enping Depression from Lower Tertiary Wenchang Formation. Seismic information indicates that the turdibite has a low frequency energy boost up and high frequency energy depressed character; AVO anomaly in the same time, inphase axes descend in the below of the turdibite. Well EP1731 is the margin of the turdibite, an anomaly high pressure has been detected in the 45524642 meters depth. All the above shows oilgas bearing character. So, the turdibite is a favorable exploration object and of the hope for the exploration and development of oilgas reservoirs in Enping Depression.
- oil and gas /
- turbidite /
- Wenchang formation /
- Enping depression

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[1]	李忠. 沉积盆地深层—超深层成岩动力学：若干研究进展与专属问题 . 沉积学报, 2023, 41(6): 1768-1780. doi: 10.14027/j.issn.1000-0550.2023.089
[2]	孔令武, 赵红岩, 梁建设, 程涛, 王嘉, 赵佳奇, 喻英梅. 转换大陆边缘盆地深水浊积砂岩油气成藏差异性研究 . 沉积学报, 2022, 40(1): 244-254. doi: 10.14027/j.issn.1000-0550.2020.084
[3]	梁杰, 刘杰, 牛胜利, 林秋金, 朱君雪, 刘徐敏. 珠江口盆地惠州25转换带文昌组五段早期低位体系域源—渠—汇耦合关系及勘探潜力探讨 . 沉积学报, 2022, 40(6): 1451-1460. doi: 10.14027/j.issn.1000-0550.2022.016
[4]	赵鹏, 彭光荣, 吴静, 许新明, 熊万林, 石创, 蔡国富, 张月霞. 珠一坳陷小型洼陷文昌组烃源岩发育模式与主控因素 . 沉积学报, 2022, 40(4): 1109-1121. doi: 10.14027/j.issn.1000-0550.2021.081
[5]	邓孝亮, 张迎朝, 陆江, 甘军, 詹冶萍, 刘凯. 文昌B凹陷北坡珠海组潮汐沉积特征及演化 . 沉积学报, 2020, 38(6): 1313-1326. doi: 10.14027/j.issn.1000-0550.2020.007
[6]	葛家旺, 朱筱敏, 潘荣, 雷永昌, 张昕, 陈淑慧. 珠江口盆地惠州凹陷文昌组砂岩孔隙定量演化模式——以HZ-A地区辫状河三角洲储层为例 . 沉积学报, 2015, 33(1): 183-193. doi: 10.14027/j.cnki.cjxb.2015.01.019
[7]	祖辅平. 金衢盆地的原型及其含油气前景 . 沉积学报, 2011, 29(4): 644-657.
[8]	李军辉. 贝尔凹陷贝西斜坡南屯组层序特征及其油气成藏模式研究 . 沉积学报, 2009, 27(2): 306-311.
[9]	付兆辉. 渤海湾盆地埕北凹陷古近系沉积体系分析与油气成藏 . 沉积学报, 2009, 27(1): 26-31.
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珠江口盆地恩平凹陷文昌组浊积体含油气性分析

陈国俊

中国科学院地质与地球物理研究所气体地球化学重点实验室兰州 730000

通讯作者: 陈国俊

收稿日期: 1900-01-01
修回日期: 1900-01-01
刊出日期: 2008-10-10

关键词:

油气 /

浊积体 /

文昌组 /

恩平凹陷

摘要: 岩性油气藏是目前油气勘探开发的重要方向和热点研究领域。珠江口盆地恩平凹陷古近系文昌组发育一厚300余米、面积约140 km2的浊积砂体，其上下岩性均为深湖—半深湖相暗色细粒沉积物。文昌组是该盆地最主要的烃源岩，具有形成岩性油气藏的物质条件。以地震资料为主，结合地质和测井等综合技术，对该浊积体的含油气性进行了综合分析。研究表明，浊积体具有低频振幅能量增强、高频振幅能量降低的特点；同时AVO异常，在浊积体下部表现出同相轴下拉现象。EP1731井钻遇该浊积体边缘，在浊积砂体深度（4 552～4 642 m）出现异常高压。这些特点都是含油气的表现。因此，该浊积砂体是有利的勘探目标，也是该区获得油气勘探开发重大突破的希望所在。

English Abstract

Analysis of the Oil and GasBearing Turbidite Within Wenchang  Formation in Enping Depression, Pearl River Mouth Basin, China

CHEN Guo-jun

Key Laboratory of Gas Geochemistry, Chinese Academy of Sciences,Lanzhou〖KG1〗730000

Corresponding author: CHEN Guo-jun

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2008-10-10

Keywords:

Abstract: Exploration and development of lithologic oilgas reservoirs are important directions and hot research areas. Zhu1 Depression of Pearl River Mouth Basin has an annual crude oil output over 10 million tons,but the industrial value of the reservoir has not been found in subtectonic units:Enping Depression. In lower Tertiary Wenchang Formation in Enping Depression, there is a set of turbidite sand with 300 meters thickness and 140 km2 area and up and down it are halfdeep to deep lacustrine sedimentary facies fine sediments.Geological and geochemical study shows that the main hydrocarbon source rocks from Wenchang Formation developed well and there is the condition to form lithologic Oilgas reservoirs. Based on seismic data, combined geological and logging technology, hydrocarbon potential of turbidite has been comprehensively analyzed in Enping Depression from Lower Tertiary Wenchang Formation. Seismic information indicates that the turdibite has a low frequency energy boost up and high frequency energy depressed character; AVO anomaly in the same time, inphase axes descend in the below of the turdibite. Well EP1731 is the margin of the turdibite, an anomaly high pressure has been detected in the 45524642 meters depth. All the above shows oilgas bearing character. So, the turdibite is a favorable exploration object and of the hope for the exploration and development of oilgas reservoirs in Enping Depression.

陈国俊. 珠江口盆地恩平凹陷文昌组浊积体含油气性分析[J]. 沉积学报, 2008, 26(5): 881-885.

引用本文:

陈国俊. 珠江口盆地恩平凹陷文昌组浊积体含油气性分析[J]. 沉积学报, 2008, 26(5): 881-885.

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珠江口盆地恩平凹陷文昌组浊积体含油气性分析

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陈国俊

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Analysis of the Oil and GasBearing Turbidite Within Wenchang  Formation in Enping Depression, Pearl River Mouth Basin, China

Corresponding author: CHEN Guo-jun

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珠江口盆地恩平凹陷文昌组浊积体含油气性分析

中国科学院地质与地球物理研究所气体地球化学重点实验室兰州 730000

通讯作者: 陈国俊

English Abstract

Analysis of the Oil and GasBearing Turbidite Within Wenchang  Formation in Enping Depression, Pearl River Mouth Basin, China

Key Laboratory of Gas Geochemistry, Chinese Academy of Sciences,Lanzhou〖KG1〗730000

Corresponding author: CHEN Guo-jun

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珠江口盆地恩平凹陷文昌组浊积体含油气性分析

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Analysis of the Oil and GasBearing Turbidite Within Wenchang  Formation in Enping Depression, Pearl River Mouth Basin, China

Corresponding author: CHEN Guo-jun

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珠江口盆地恩平凹陷文昌组浊积体含油气性分析

中国科学院地质与地球物理研究所气体地球化学重点实验室 兰州 730000

通讯作者: 陈国俊

English Abstract

Analysis of the Oil and GasBearing Turbidite Within Wenchang  Formation in Enping Depression, Pearl River Mouth Basin, China

Key Laboratory of Gas Geochemistry, Chinese Academy of Sciences,Lanzhou〖KG1〗730000

Corresponding author: CHEN Guo-jun

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通讯作者:
陈国俊

中国科学院地质与地球物理研究所气体地球化学重点实验室兰州 730000