重排藿烷：示踪油藏充注途径的分子标志物

李威; 窦立荣; 文志刚; 张光亚; 程顶胜; 刘爱香; 客伟利

doi:10.3799/dqkx.2018.322

重排藿烷：示踪油藏充注途径的分子标志物

doi: 10.3799/dqkx.2018.322

李威^{1, 2, 3,},
窦立荣^{2, 3, 4, ,},
文志刚²,
张光亚³,
程顶胜³,
刘爱香³,
客伟利³

1.
中海油研究总院有限责任公司, 北京 100028
2.
长江大学资源与环境学院油气资源与勘探技术教育部重点实验室, 湖北武汉 430100
3.
中国石油勘探开发研究院, 北京 100083
4.
中国石油天然气勘探开发公司, 北京 100034

基金项目:

国家油气重大专项项目 2011ZX05029

详细信息

作者简介:
李威(1988-), 男, 工程师, 主要从事油气形成与分布方面的研究工作.E-mail: liwei173@cnooc.com.cn

通讯作者:
窦立荣, E-mail: doulirong@cnpcint.com

中图分类号: P618
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- 被引次数: 0
出版历程
- 收稿日期: 2017-08-28
- 刊出日期: 2021-07-15

Rearranged Hopane: Molecular Tracers for Filling Pathway in Oil Reservoirs

Li Wei^{1, 2, 3
,},
Dou Lirong^{2, 3, 4
, ,},
Wen Zhigang²,
Zhang Guangya³,
Cheng Dingsheng³,
Liu Aixiang³,
Ke Weili³

1.
CNOOC Research Institute Co. Ltd., Beijing 100028, China
2.
College of Resources and Environment, Key Laboratory of Exploration Technology for Oil and Gas Resources, Ministry of Education, Yangtze University, Wuhan 430100, China
3.
Research Institute of Petroleum Exploration and Development, Petrochina, Beijing 100083, China
4.
China National Oil and Gas Exploration and Development Corporation, Beijing 100034, China

摘要

摘要: 基于C₃₀重排藿烷（C₃₀DH）和C₃₀藿烷（C₃₀H）热稳定性差异，研究了C₃₀DH/C₃₀H作为油气运移方向和充注途径的可行性.结果发现：C₃₀DH结构稳定性高于C₃₀H，C₃₀DH/C₃₀H参数具有成熟度属性；同时对比分析C₃₀DH/C₃₀H参数与咔唑类参数的相关性，认为两者之间正相关性明显，表明C₃₀DH/C₃₀H参数不仅是良好的热成熟度参数还是良好的石油充注运移参数.M油田位于Fula凹陷东部，M油田原油为弱氧化-还原、淡水-微咸水环境下低等藻类与高等植物混源生成，属于同一族群原油.利用C₃₀DH/C₃₀H参数示踪Fula凹陷M油田石油充注方向，油气运移途径主要为自北向南，同时还发育自西向东的运移途径；咔唑类参数也验证了C₃₀DH/C₃₀H参数示踪油气运移的准确性.结果表明C₃₀DH/C₃₀H参数是示踪石油充注途径的有效参数.
- 充注途径 /
- C₃₀DH/C₃₀H /
- 咔唑 /
- M油田 /
- Fula凹陷 /
- 石油地质
Abstract: Based on the differences in thermal stability of C₃₀ diahopane(C₃₀DH) and C₃₀ hopane(C₃₀H), this paper studied the feasibility of C₃₀DH/C₃₀H in tracing oil migration orientation and filling pathways.The result shows that the thermal stability of C₃₀DH is considered to be higher than C₃₀H, C₃₀DH/C₃₀H parameters have maturity properties. Meanwhile, contrast C₃₀DH/C₃₀H parameters with carbazoles, found that the C₃₀DH/C₃₀H parameters and carbazoles have great positive correlation. Indicate that the C₃₀DH/C₃₀H parameters not only is a good thermal maturity parameters but also a good in hydrocarbon charging migration. M oilfield is located in the eastern Fula depression. The oils are all normal and the source materials are dual contributions of lower hydrobiont and terrigenous higher plants, the environment is fresh to slight saline water oxidizing to reducing sedimentation, belong to the same group of crude oil.Using C₃₀DH/C₃₀H parameter tracer M oilfield reservoir group of hydrocarbon charging migration direction in Fula depression.The migration path of oil and gas is mainly from north to south, and it also develops from west to east. The classic carbazoles parameter also verified the C₃₀DH/C₃₀H tracer the accuracy of the oil and gas migration. Preliminary results show that C₃₀DH/C₃₀H arameters is an effective parameter for tracer oil filling way.
- hydrocarbon charging migration /
- C₃₀DH/C₃₀H /
- carbazoles /
- M oilfield /
- Fula depression /
- petroleum geology

HTML全文

图 1 Fula坳陷M油田分布（据Dou et al., 2013修改）

Fig. 1. Distribution of M oil fields in Fula depression(modified by Dou et al., 2013)

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图 2 Fula坳陷原油链烷烃和萜烷分布对比

X. 早洗脱重排藿烷（early-eluting rearranged hopane）；C₂₉DH. C₂₉重排藿烷（C₂₉-diahopane）；C₃₀DH. C₃₀重排藿烷（C₃₀-diahopane）；C₃₀H. C₃₀藿烷（C₃₀-hopane）；25-NHC₂₉. 25-降藿烷（25-norhopane）

Fig. 2. Distributions of chain alkanes and terpane in crude oil from Fula depression

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图 3 Fula凹陷原油地球化学成因判别

TeT. 四环萜烷；TT. 三环萜烷；H. 藿烷；G. 伽马蜡烷；TAS. 三芳甾烷

Fig. 3. Crude oil geochemical genesis discriminant diagrams Fula depression

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图 4 咔唑、二苯并噻吩、藿烷系列结构

Fig. 4. Structures of hopane, carbazoles and dibenzothiophenes compounds

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图 5 C₃₀DH /C₃₀H与Ts/（Ts+Tm）、咔唑类含氮化合物含量相关图

Fig. 5. C₃₀DH /C₃₀H with Ts/(Ts+Tm) and Carbazole contains nitrogen compounds correlation diagram

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图 6 Fula凹陷M油田油藏充注方向示意图

Fig. 6. Schematic diagram of oil migration orientation of M oil field, in Fula depression

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