长岭断陷龙凤山地区断裂与火石岭组火山岩油气运聚关系

金帅; 蒋有录; 苏圣民; 陈杏霞; 侯帅

doi:10.19509/j.cnki.dzkq.tb20210500

长岭断陷龙凤山地区断裂与火石岭组火山岩油气运聚关系

doi: 10.19509/j.cnki.dzkq.tb20210500

金帅^1,,
蒋有录^1, ,,
苏圣民¹,
陈杏霞²,
侯帅¹

1.
中国石油大学(华东)地球科学与技术学院, 山东青岛 266580
2.
中国石油化工股份有限公司东北油气分公司, 长春 130062

基金项目:

国家自然科学基金项目 41972140

中国石油化工股份有限公司东北油气分公司油气勘探类项目 DBKJ20190005

详细信息

作者简介:
金帅(1997-), 男, 主要从事油气藏形成与分布规律方面研究工作。E-mail: 853398502@qq.com

通讯作者:
蒋有录(1959-), 男, 教授, 博士生导师, 主要从事油气成藏机理与分布规律研究工作。E-mail: jiangyl@upc.edu.cn

中图分类号: P618.13
计量
- 文章访问数: 598
- PDF下载量: 51
- 被引次数: 0
出版历程
- 收稿日期: 2021-08-14

Relationship between faults and hydrocarbon migration and accumulation in Huoshiling Formation volcanic rocks in Longfengshan area, Changling Fault Depression

1.
School of Geosciences, China University of Petroleum (East China), Qingdao Shandong 266580, China
2.
Northeast Oil & Gas Branch, China Petroleum & Chemical Corporation, Changchun 130062, China

摘要

摘要:
龙凤山地区是长岭断陷重要的油气富集区，已发现油气多分布于断裂带附近，探讨断裂与油气运聚的关系具有重要意义。结合地震、测井、岩心、镜下薄片、流体包裹体观察及测温等资料，在断裂静态特征与断裂带结构识别研究基础上，综合分析断面形态、断裂活动特征与油气运聚的关系。研究结果表明，断裂的诱导裂缝带发育大量裂缝，有效地改善火山岩的物性，断裂可作为输导油气的优势运移通道；Ⅰ级断层的"汇聚型"断面形态控制油气主要富集位置；断层活动性与第一期成藏期匹配良好，断裂可作为输导油气的优势通道，后期断裂带裂缝被石英、方解石所充填，断裂对火山岩油气藏主要起封闭作用。
- 断裂带结构 /
- 裂缝 /
- 断层活动性 /
- 火山岩 /
- 油气运聚 /
- 龙凤山地区
Abstract:
The Longfengshan area is an important hydrocarbon enrichment area in the Changling Fault Depression. Most of the oil and gas are distributed near the fault zone. It is of great significance to discuss the relationship between faults and hydrocarbon migration and accumulation. Combined with seismic, logging, core, microscopic thin sections, fluid inclusion observations and temperature measurement data, the relationship between section morphology, fault activity characteristics and hydrocarbon migration and accumulation is comprehensively analyzed on the basis of fault static characteristics and fault zone structure identification. The results show that a large number of fractures are developed in the fault-induced fracture zone, which can effectively improve the physical properties of volcanic rocks, and the fault can be used as the dominant migration channel for hydrocarbons. The "convergent" section shape of the grade Ⅰ fault controls the main enrichment location of hydrocarbons. The fault activity matches well with the first stage of reservoir formation, and faults can be used as a dominant channel for transporting hydrocarbons. In the later stage, the fracture of the fault zone is filled with quartz and calcite, and the fault zone mainly plays a sealing role in the volcanic oil and gas reservoirs.
- fault zone structure /
- fracture /
- fault activity /
- volcanic rock /
- hydrocarbon migration and accumulation /
- Longfengshan area

HTML全文

图 1 龙凤山地区构造单元与地层综合柱状图

b中：1.长岭断陷; 2.古龙断陷; 3.常家围子断陷; 4.徐家围子断陷; 5.莺山断陷; 6.王府断陷; 7.伏龙泉断陷; 8.德惠断陷; 9.小合隆断陷; 10.平安镇断陷; 11.梨树断陷; 12.双辽断陷; 13.榆树断陷; 14.孤店断陷; 15.拉新断陷; 16.镇贲断陷; 17.洮南断陷; 18.白城断陷; 19.大安断陷; 20.海坨断陷; 21.通榆断陷

Figure 1. Comprehensive column chart of tectonic units and strata in the Longfengshan area

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图 2 北204-北218连井地震剖面图(A-A′剖面位置见图 1)

Figure 2. Seismic profile of the wells Bei 204-Bei 218(the location of the A-A′ section is shown in Fig. 1)

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图 3 北204井断裂带结构综合识别图版

Figure 3. Comprehensive structural identification plate of the fault zone in Well Bei 204

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图 4 F₃和F₄断层面形态与油藏及油气显示井分布图

Figure 4. F₃ and F₄ section morphology and distribution of reservoir and oil and gas display wells

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图 5 龙凤山地区不同沉积期断层活动速率柱状图

Figure 5. Histogram of fault activity rates in different depositional periods in the Longfengshan area

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图 6 龙凤山地区断层活动时期与第一期成藏期匹配关系图

K₁q.泉头组；K₁d.登娄库组；K₁yc.营城组；K₁sh.沙河子组；K₁h.火石岭组；Pz.古生界

Figure 6. Matching relation diagram of the fault active period and first accumulation period in the Longfengshan area

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图 7 北204井断裂带内部裂缝充填物及包裹体发育特征

Figure 7. Characteristics of inclusions and fracture filling in fault zone in Well Bei 204

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图 8 北204井埋藏史图及包裹体均一温度图

K₁h.火石岭组；K₁sh.沙河子组；K₁yc.营城组；K₁d.登娄库组；K₁q.泉头组；K₁qn.青山口组；K₁n.嫩江组

Figure 8. Burial history diagram and inclusion homogenization temperature diagram of Well Bei 204

下载: 全尺寸图片幻灯片

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