升温速率、时间和含水率对油页岩热解后物性变化的影响

徐良发; 马中良; 郑伦举; 鲍芳

doi:10.11781/sysydz201804545

升温速率、时间和含水率对油页岩热解后物性变化的影响

doi: 10.11781/sysydz201804545

徐良发^1,2,3,4,
马中良^1,2,3,4, ,,
郑伦举^1,2,3,4,
鲍芳^1,2,3,4

1. 页岩油气富集机理与有效开发国家重点实验室, 江苏无锡 214126;
2. 国家能源页岩油研发中心, 江苏无锡 214126;
3. 中国石化油气成藏重点实验室, 江苏无锡 214126;
4. 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:

国家科技重大专项（2017ZX05036002-004，2017ZX05005001-003）和国家能源页岩油研发中心自主研发基金（2017）资助。

详细信息

作者简介:
徐良发(1963-),男,工程师,从事石油地质综合研究。E-mail:xulf.syky@sinopec.com。

通讯作者:
马中良(1984-),男,高级工程师,从事油气地球化学、实验地质学和油页岩原位开采研究。E-mail:mazl.syky@sinopec.com。

中图分类号: TE19
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出版历程
- 收稿日期: 2018-01-14
- 修回日期: 2018-06-04
- 刊出日期: 2018-07-28

Change of physical properties at different heating rates, time and water content for oil shale

XU Liangfa^1,2,3,4,
MA Zhongliang^{1,2,3,4
, ,},
ZHENG Lunju^1,2,3,4,
BAO Fang^1,2,3,4

1. State Key Laboratory of Shale Oil and Gas Enrichment Mechanisms and Effective Development, Wuxi, Jiangsu 214126, China;
2. State Energy Center for Shale Oil Research and Development, Wuxi, Jiangsu 214126, China;
3. SINOPEC Key Laboratory of Petroleum Accumulation Mechanisms, Wuxi, Jiangsu 214126, China;
4. Wuxi Research Institute of Petroleum Geology, SINOPEC, Wuxi, Jiangsu 214126, China

摘要

摘要: 针对升温速率、加热时间和油页岩本身的含水率对油页岩原位转化开采物性的影响，利用烃源岩生排烃模拟实验装置，开展了不同升温速率、加热时间和含水率作用下、终温为350℃的油页岩原位热解模拟实验，对热解后油页岩样品进行了核磁共振测试分析，探讨了这些因素对油页岩原位开采热解物性变化的影响。结果表明：较慢的升温速率有利于有机微孔的发育，较快的升温速率有利于微裂缝的发育；恒温时间的增加，可以改善油页岩物性，随着恒温时间的增长，小孔隙逐渐发育成相对大的孔隙；高温水可能作为催化剂、反应物和溶剂参加反应，一方面有利于与有机质反应生成有机孔，另一方面高温水与油页岩矿物可能发生反应，改善了油页岩的物性。
- 核磁共振 /
- 原位开采 /
- 物性 /
- 油页岩
Abstract: An oil shale in situ pyrolysis simulation experiment with different heating rates, heating time and water contents was carried out to assess the influences of these parameters on the physical properties of oil shale in situ conversion production. The physical properties of oil shale in situ conversion production were analyzed using nuclear magnetic resonance T₂ spectra. The results showed that the slow heating rate (the increase of reaction time) was beneficial to the development of organic micro-pores, while the increase of heating rate was beneficial to the development of micro-cracks. With the increase of constant temperature time, the physical properties of oil shale can be improved, and small pores gradually develop into relatively larger pores. High-temperature water may be used as a catalyst, reactant and solvent to participate in the reaction. On the one hand, it is beneficial to react with organic matter to generate organic pores; on the other hand, high-temperature water may react with oil shale minerals, thus improving the physical properties of oil shale.
- nuclear magnetic resonance /
- in situ minning /
- physical properties /
- oil shale

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