阿拉伯板块被动陆缘盆地油气差异富集主控因素

白国平; 牛斌斌; 陈君; 胡靖靖; 孟秋含; 邱海华

doi:10.11781/sysydz202001103

阿拉伯板块被动陆缘盆地油气差异富集主控因素

doi: 10.11781/sysydz202001103

白国平^{1, 2,},
牛斌斌^{1, 2, ,},
陈君^{1, 2},
胡靖靖^{1, 2},
孟秋含^{1, 2},
邱海华^{1, 2}

1.
中国石油大学(北京) 地球科学学院, 北京 102249
2.
中国石油大学(北京) 油气资源与探测国家重点实验室, 北京 102249

基金项目:

国家自然科学基金 91755104

国家科技重大专项 2017X05005001-006

详细信息

作者简介:
白国平(1963-), 男, 教授, 从事全球油气分布、含油气系统分析与资源评价等的研究工作。E-mail: baigp@cup.edu.cn

通讯作者:
牛斌斌(1995-), 女, 硕士研究生, 从事油气分布与成藏研究。E-mail: niu2982452343@163.com

中图分类号: TE122.3
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出版历程
- 收稿日期: 2019-10-09
- 修回日期: 2019-12-11
- 刊出日期: 2020-01-28

Differential hydrocarbon enrichment and controlling factors in passive margin basins of the Arabian Plate

BAI Guoping^{1, 2
,},
NIU Binbin^{1, 2
, ,},
CHEN Jun^{1, 2},
HU Jingjing^{1, 2},
MENG Qiuhan^{1, 2},
QIU Haihua^{1, 2}

1.
College of Geosciences, China University of Petroleum(Beijing), Beijing 102249, China
2.
State Key Laboratory of Petroleum Resources and Prospecting, China University of Petroleum(Beijing), Beijing 102249, China

摘要

摘要: 通过对阿拉伯板块被动陆缘盆地内含油气系统的系统表征和类比分析，结合中东地区油气田最新资料和前人研究成果，揭示阿拉伯板块被动陆缘盆地构造沉积演化、源盖成藏要素和油气富集的相关关系，探索盆地油气差异富集的主控因素。阿拉伯板块被动陆缘盆地群发育内克拉通、弧后、被动陆缘和活动陆缘4个超级含油气系统，其中被动陆缘和内克拉通超级含油气系统油气最为富集；区域上油气主要富集于中阿拉伯盆地和鲁卜哈利盆地，层系上石油主要储集于白垩系和侏罗系，而天然气则主要富集于二叠系和三叠系；阿拉伯板块被动陆缘盆地群油气的差异富集主要受3个因素的控制，即优质烃源岩的展布与盆地的正向构造带控制油气的区域分布，区域盖层控制油气的层系分布。
- 超级含油气系统 /
- 油气差异富集 /
- 主控因素 /
- 被动陆缘盆地 /
- 阿拉伯板块
Abstract: The integrated analyses, classification and comparison of petroleum systems, combined with the latest oil and gas field data from the Middle East and the previous research results, indicate how tectonic-depositional evolution, source rocks and seals, and petroleum resource endowment are inter-linked. The impacts of these factors on the enrichment of petroleum resources could be established. There are four super petroleum systems in the passive margin basins of the Arabian Plate, namely, the intra-craton, the back-arc, the passive margin and the active margin, among which the passive margin and intra-craton super petroleum systems are the most significant. Regionally, oil and gas in the study area are mainly concentrated in the Central Arabian Basin and the Rub' Al Khali Basin. Stratigraphically, oil is mainly reservoired in the Cretaceous and Jurassic whereas the gas in the Permian and Triassic. The diffe-rential enrichment of hydrocarbons is mainly controlled by three factors: the distribution of high-quality effective source rocks and the positive structural trends of basins, which have a dominant control on the regional distribution of oil and gas, and the regional seals, which govern the stratigraphic distribution of oil and gas.
- super petroleum systems /
- hydrocarbon differential enrichment /
- controlling factor /
- passive margin basin /
- Arabian Plate

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图 1 阿拉伯板块被动陆缘盆地地层、构造演化对比

Figure 1. Comparison of stratigraphic division and tectonic evolution in passive margin basins of the Arabian Plate

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图 2 阿拉伯板块被动陆缘超级含油气系统成藏事件

Figure 2. Events chart of super petroleum systems of passive margin basins of the Arabian Plate

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图 3 阿拉伯板块内克拉通和被动陆缘超级含油气系统分布

Figure 3. Distribution of intra-craton and passive margin super petroleum systems in the Arabian Plate

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图 4 阿拉伯板块大油气田和油气区域、层系分布

Figure 4. Distribution of gaint oil and gas fields, oil and gas regions and strata of the Arabian Plate

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图 5 阿拉伯板块大型隆起、盐盆及主要油气藏分布

Figure 5. Distribution of large uplifts, salt basins and major oil and gas reservoirs of the Arabian Plate

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图 6 阿拉伯板块上侏罗统Hith组、Gotnia组硬石膏及上侏罗统、下白垩统油气藏分布

Figure 6. Distribution of Upper Jurassic Hith and Gotnia anhydrite and Upper Jurassic and Lower Cretaceous reservoirs in the Arabian Plate

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表 1 阿拉伯板块各被动陆缘盆地探明和控制储量特征^[7-10]

Table 1. Proved and probable reserve characteristics of passive margin basins of the Arabian Plate

盆地	石油/MMbbl	天然气/Tcf	凝析油/MMbbl	油气当量/MMboe	占比/%	油气田/个	大型油气田/个	特大型油气田/个
西阿拉伯	4 355.7	18.9	355.4	7 858.0	0.6	187	1	0
维典	23 618.9	12.1	5.0	25 644.0	2.0	30	9	1
中阿拉伯	627 545.0	2 174.8	61 137.9	1 051 143.5	83.2	194	88	28
鲁卜哈利	119 602.9	292.6	9 985.2	178 356.6	14.1	136	35	6
合计	775 122.4	2 498.4	71 483.5	1 263 002.2	100	547	133	35

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表 2 阿拉伯板块被动陆缘盆地不同超级含油气系统探明和控制储量分布

Table 2. Proved and probable reserve distribution of different super petroleum systems of passive margin basins of the Arabian Plate

超级含油气系统	石油/MMbbl	天然气/Tcf	凝析油/MMbbl	油气当量/MMboe	储量占比/%			油气藏/个
超级含油气系统	石油/MMbbl	天然气/Tcf	凝析油/MMbbl	油气当量/MMboe	石油	天然气	凝析油	油气藏/个
内克拉通	9 585.1	1 829.2	55 505.6	369 951.8	2.6	82.4	15.0	166
弧后	1 010.4	11.2	114.3	2 982.9	33.4	62.7	3.9	126
被动陆缘	758 417.3	653.3	15 859.4	883 160.6	85.9	12.3	1.8	911
活动陆缘	6 109.6	4.8	4.2	6 906.9	89.1	10.8	0.0	95
合计	775 122.4	2 498.4	71 483.5	1 263 002.2	61.4	33.0	5.7	1 298

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表 3 阿拉伯板块被动陆缘盆地各超级含油气系统主要烃源岩特征

Table 3. Characteristics of main source rocks of each super petroleum system of passive margin basins of the Arabian Plate

超级含油气系统	地层	岩相	w(TOC)/%	干酪根	成熟度
内克拉通	下志留统Qalibah组 Qusaiba段	海相页岩	R_o=2.0~6.2	Ⅱ型	R_o=0.7%~2.5%
弧后	三叠系Mulussa群	海相—潟湖相泥岩	8~9(均值)	Ⅰ型	生油窗—过成熟
被动陆缘	上侏罗统Tuwaiq组、Diyab组、Hanifa组和Dukhan组	陆架内静水盆地泥质、沥青质灰泥石灰岩	3~12.5	Ⅱ型和Ⅲ型	生油窗
被动陆缘	下白垩统Khatiyah和Shilaif组	陆架内静水盆地泥质、沥青质灰泥石灰岩和页岩	1~15	Ⅱ型	R_o < 0.9%
活动陆缘	上白垩统Shiranish组	海相沥青质石灰岩和泥灰岩	3~14.3	Ⅱ型

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表 4 阿拉伯板块被动陆缘各盆地内不同超级含油气系统探明和控制储量分布

Table 4. Proved and probable reserve characteristics of different super petroleum systems in different basins of passive margin basins of the Arabian Plate

盆地	内克拉通超级含油气系统		弧后超级含油气系统		被动陆缘超级含油气系统		活动陆缘超级含油气系统
盆地	油气当量/MMboe	占比/%	油气当量/MMboe	占比/%	油气当量/MMboe	占比/%	油气当量/MMboe	占比/%
西阿拉伯	2 327.1	0.7	1 489.9	51.8	446.2	0.1	4 224.9	62.2
维典			731.3	25.4	24 879.4	2.8
中阿拉伯	355 446.9	95.9	461.5	16.1	692 355.2	78.4	2 559.0	37.8
鲁卜哈利	12 517.8	3.4	191.0	6.6	165 370.7	18.7	1.3
合计	370 291.8		2 873.7		883 051.5		6 785.2

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