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《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

卷:

第39卷

期数:

2017年第04期

页码:

530-538

栏目:

基础地质与矿产地质

出版日期:

2017-07-15

文章信息/Info

Title:

Hydrocarbon Sources and Reservoir Forming Stages in Fangliji Tectonic Belt of Dongpu Depression, China

文章编号:

1672-6561(2017)04-0530-09

作者:

国殿斌; 万涛; 李继东; 袁波; 袁丽

1.中国石化石油勘探开发研究院，北京 100083； 2.中国石化中原油田勘探开发研究院，河南 濮阳 457001

Author(s):

GUO Dian-bin;  WAN Tao;  LI Ji-dong;  YUAN Bo;  YUAN Li

1. SINOPEC Petroleum Exploration and Production Research Institute, Beijing 100083, China； 2. Exploration and Development Research Institute, Zhongyuan Oilfield Company, SINOPEC, Puyang 457001, Henan, China

关键词:

油源对比; 气源对比; 流体包裹体; 油气成藏; 盆地模拟; 成藏过程; 方里集构造带; 东濮凹陷

Keywords:

oil source contrast;  gas source contrast;  fluid inclusion;  hydrocarbon reservoir;  basin modeling;  reservoir forming process;  Fangliji tectonic belt;  Dongpu depression

分类号:

P618.130.2；TE122

DOI:

-

文献标志码:

A

摘要:

通过精细油源对比、气源对比，明确了渤海湾盆地东濮凹陷方里集构造带的油气来源；基于流体包裹体的光性特征和均一温度，结合埋藏史确立了油气成藏时间及期次，恢复了油气成藏过程。油源对比结果表明，沙三段原油和烃源岩地球化学指标相近，具有自生自储特征，沙二段和沙三段天然气以煤成气为主，为断层输导成藏。沙三段油包裹体荧光下呈蓝色,盐水包裹体均一温度峰值为130 ℃~140 ℃，原油成藏期为明化镇组晚期—平原组中期(距今1~3 Ma)。根据山西组—本溪组煤系烃源岩的热演化史，煤成气的成藏期为东营组时期，早于原油的成藏时间。油气成藏过程恢复表明：在东营组中期至东营组剥蚀期间，煤成气通过断层输导，形成沙二段气藏和沙三段早期气藏；在明化镇组晚期—平原组中期，沙三段烃源岩生成的原油就近充注于沙三段气藏中，形成了沙三段油气藏。方里集构造带具有“双源两期”的成藏特征。

Abstract:

Hydrocarbon sources and reservoir forming stages in Fangliji tectonic belt of Dongpu depression, Bohai Bay Basin were studied by fine oil and gas source contrasts; combined with the characteristics of microscopic fluorescence and homogenization temperatures of fluid inclusions and buried history, the reservoir forming periods and stages were discussed, and the hydrocarbon forming process was reconstructed. The oil and gas source contrasts show that the crude oil and hydrocarbon source rocks in Sha 3 member are similar; and have characteristics of self-generating and self-preserving; the gas in Sha 3 member is main coal bed gas, and is fault migration reservoir. The fluorescence of oil inclusion is blue, and the peak of homogenization temperatures of saline inclusions is 130 ℃-140 ℃; the crude oil forming stages are late Minghuazhen period and middle Pingyuan period(1-3 Ma before nowadays). According to the thermal evolution history of coal-bearing hydrocarbon source rocks in Dongying Formation-Benxi Formation, the reservoir-forming stage of coal bed gas is Dongying period, which is earlier than that of the crude oil. The reconstruction of hydrocarbon reservoir forming process shows that the coal bed gas transforms by fault, and the gas reservoirs form in Sha 2 member and the early Sha 3 member; the rude oil formed by the hydrocarbon source rocks in Sha 3 member fills into Sha 3 member gas reservoir in late Minghuazhen and middle Pingyuan periods. Fangliji tectonic belt has the characteristics of “double sources and two stages”.

参考文献/References:

-

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备注/Memo

备注/Memo:

收稿日期:2017-01-07
基金项目:国家科技重大专项项目(2016ZX05006-004)
作者简介:国殿斌(1975-),男,山东东营人,教授级高级工程师,工学博士,E-mail:guodianbin1975@163.com。

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更新日期/Last Update: 2017-07-28