贵州遵义黔XY 1井龙马溪组页岩孔隙特征及主控因素

谢婷; 张聪; 杨玉茹; 夏响华; 李琦; 王向华; 于伟欣

doi:10.11781/sysydz201901068

贵州遵义黔XY 1井龙马溪组页岩孔隙特征及主控因素

doi: 10.11781/sysydz201901068

谢婷^1,2,
张聪^1,3, ,,
杨玉茹^1,3,
夏响华^1,3,
李琦²,
王向华^1,2,
于伟欣^1,2

1. 中国地质调查局非常规油气地质重点实验室, 北京 100029;
2. 中国地质大学(北京), 北京 100083;
3. 中国地质调查局油气资源调查中心, 北京 100029

基金项目:

“十三五”国家科技重大专项（2016ZX05034003-006）和中国地质调查局地质矿产调查评价专项（DD20160094-1）联合资助。

详细信息

作者简介:
谢婷(1994-),女,硕士研究生,含油气盆地分析方向。E-mail:1442760899@qq.com。

通讯作者:
张聪(1986-),女,高级工程师,地质学专业。E-mail:zh_cong520@qq.com。

中图分类号: TE122.2
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- 被引次数: 0
出版历程
- 收稿日期: 2018-09-19
- 修回日期: 2018-12-22
- 刊出日期: 2019-01-28

Shale pore characteristics and controls in well Qian XY 1, Zunyi City, Guizhou Province

XIE Ting^1,2,
ZHANG Cong^{1,3
, ,},
YANG Yuru^1,3,
XIA Xianghua^1,3,
LI Qi²,
WANG Xianghua^1,2,
YU Weixin^1,2

1. Key Laboratory of Unconventional Oil & Gas Geology, China Geological Survey, Beijing 100029, China;
2. China University of Geosciences(Beijing), Beijing 100083, China;
3. Oil & Gas Survey Center, China Geological Survey, Beijing 100029, China

摘要

摘要: 以贵州省遵义市黔XY 1井龙马溪组1 029.91~1 140.4 m深度范围的22个完整的全井段取心页岩样品作为研究对象，将场发射扫描电镜及PerGeos数字岩心分析系统联用，借助有机质含量及成熟度、矿物成分能谱分析测试数据，对其孔隙发育特征及主控因素进行定性及定量分析。黔XY 1井龙马溪组页岩有机质丰度较高，处于高-过成熟阶段，主要发育无机矿物孔、有机质孔及微裂缝3类孔隙，其中无机矿物孔包括粒间、粒内、晶间、铸模及溶蚀孔，微裂缝包括构造微裂缝、成岩收缩缝、有机质生排烃缝及人为裂缝。影响页岩孔隙发育的主控因素为有机质含量、有机质热演化程度及埋藏深度。
- 场发射扫描电镜 /
- PerGeos 1.0 /
- 孔隙特征 /
- 页岩 /
- 龙马溪组 /
- 贵州
Abstract: Twenty-two intact shale core samples from 1 029.91-1 140.4 m in the well Qian XY 1 in the Zunyi City of the Guizhou Province were studied using FE-SEM combined with PerGeos. Qualitative and quantitative analyses of pore development characteristics and main controlling factors were identified based on the organic matter content and maturity, as well as the energy spectrum data of mineral components. The Longmaxi Formation shale in the well Qian XY 1 has a high organic matter abundance and is highly mature to over mature. It mainly developed three types of pores:inorganic mineral pores, organic pores and micro-cracks. The inorganic mineral pores include intragranular, intergranular, intracrystalline, mold and dissolution pores, while the micro-cracks include structural micro-cracks, diagenetic shrinkage joints, organic matter hydrocarbon-discharge joints and artificial cracks. The main controlling factors affecting shale pore development are organic matter content, thermal evolution of organic matter and burial depth.
- FE-SEM /
- PerGeos 1.0 /
- pore characteristics /
- shale /
- Longmaxi Formation /
- Guizhou Province

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