构造脊控藏模式及勘探实例

doi:10.7623/syxb202208003

石油学报 ›› 2022, Vol. 43 ›› Issue (8): 1065-1077.DOI: 10.7623/syxb202208003

构造脊控藏模式及勘探实例

冯许魁¹, 何文渊², 胡少华¹, 常德双¹, 党虎强¹, 庞彦明², 周赏¹, 李凯¹, 柯钦¹, 沈亚¹, 郭波¹, 安鹏¹, 刘剑伦¹, 刘冬民¹, 潘良云¹

1. 中国石油集团东方地球物理勘探有限责任公司河北涿州 072750;
2. 大庆油田有限责任公司黑龙江大庆 163002

收稿日期:2021-06-25 修回日期:2021-12-09 出版日期:2022-08-25 发布日期:2022-09-05
通讯作者: 胡少华,男,1964年6月生,2007年获中国地质大学(北京)矿产普查与勘探专业博士学位,现为中国石油集团东方地球物理勘探有限责任公司高级技术专家、教授级高级工程师,主要从事新领域及风险勘探目标评价工作。Email:hushaohua@cnpc.com.cn
作者简介:冯许魁,男,1967年11月生,2015年获成都理工大学地球探测与信息技术专业博士学位,现为中国石油集团东方地球物理勘探有限责任公司研究院院长、教授级高级工程师,主要从事地震勘探相关技术应用研究工作。Email:fengxukui@cnpc.com.cn
基金资助:
中国石油天然气股份有限公司"十四五"前瞻性基础性战略性技术攻关课题项目"页岩油气地震地质工程一体化储层评价关键技术研究"(2021DJ3705)资助。

Hydrocarbon accumulation model and exploration case of structural ridge

Feng Xukui¹, He Wenyuan², Hu Shaohua¹, Chang Deshuang¹, Dang Huqiang¹, Pang Yanming², Zhou Shang¹, Li Kai¹, Ke Qin¹, Shen Ya¹, Guo Bo¹, An Peng¹, Liu Jianlun¹, Liu Dongmin¹, Pan Liangyun¹

1. CNPC Geophysical Company Limited, Hebei Zhuozhou 072750, China;
2. Daqing Oilfield Limited Company, Heilongjiang Daqing 163002, China

Received:2021-06-25 Revised:2021-12-09 Online:2022-08-25 Published:2022-09-05

摘要/Abstract

摘要： 松辽盆地和渤海湾盆地普遍发育低幅度、线性分布的正向构造,依附于断裂、斜坡和大背斜翼部发育。这种正向构造整体不能自成圈闭但对油气分布有着强烈的控制作用,是重要的勘探目标。通过构造特征分析将其归为构造脊,并细分为断背脊、鼻状脊和断块脊3种类型,确定了构造脊的脊线、长度、幅度、宽度、面积5个几何要素,丰富了构造脊的内涵。通过研究构造脊对油气成藏的控制作用,探讨了构造脊控藏理论,指出构造脊是油气输导的优势通道,建立了构造脊与薄储层、窄河道配置的油气成藏模式。通过在松辽盆地杏西-哈尔温地区和江桥地区中-浅层油气勘探中应用构造脊地震识别技术,发现并落实了一批构造脊勘探目标,多口井获得高产油流,拓展了油气勘探领域,支撑了大庆油田在中-浅层油气勘探中取得显著成效。

关键词: 构造脊, 松辽盆地, 成藏模式, 复合圈闭, 勘探目标

Abstract: Positive structures with low amplitude and linear distribution are generally developed in Songliao Basin and Bohai Bay Basin,which are attached to faults,slopes and large anticlinal flanks.This kind of positive structures cannot form a trap by itself as a whole,but it has a great control over the oil and gas distribution,so it is an important target for oil and gas exploration.Based on the analysis of structural characteristics,the positive structures are classified as structural ridge and subdivided into three types,i.e.,faulted anticline ridge,nose-like ridge and fault block ridge.Five geometric elements,i.e.,the ridge line,length,amplitude,width and area of the structural ridge are determined,thus enriching the connotation of structural ridge.Through studying the control effect of structural ridge on hydrocarbon accumulation,the paper explores the accumulation control theory of structural ridge,points out that structural ridge is the predominant pathway for hydrocarbon transportation,and establishes a hydrocarbon accumulation mode based on the configuration of structural ridges and thin reservoirs or narrow river courses.By applying seismic identification technology of the structural ridge to hydrocarbon exploration in the middle-shallow strata in Xingxi-Harwen area and Jiangqiao area of Songliao Basin,a number of exploration targets related to structural ridge have been discovered and determined,and a number of wells have been achieved high yield industrial oil flow.That has expanded the oil and gas exploration fields,and supported Daqing oilfield to achieve remarkable results in middle-shallow oil and gas exploration.

Key words: structural ridge, Songliao Basin, accumulation mode, combination trap, exploration target

中图分类号:

TE121.2

冯许魁, 何文渊, 胡少华, 常德双, 党虎强, 庞彦明, 周赏, 李凯, 柯钦, 沈亚, 郭波, 安鹏, 刘剑伦, 刘冬民, 潘良云. 构造脊控藏模式及勘探实例[J]. 石油学报, 2022, 43(8): 1065-1077.

Feng Xukui, He Wenyuan, Hu Shaohua, Chang Deshuang, Dang Huqiang, Pang Yanming, Zhou Shang, Li Kai, Ke Qin, Shen Ya, Guo Bo, An Peng, Liu Jianlun, Liu Dongmin, Pan Liangyun. Hydrocarbon accumulation model and exploration case of structural ridge[J]. Acta Petrolei Sinica, 2022, 43(8): 1065-1077.

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构造脊控藏模式及勘探实例

Hydrocarbon accumulation model and exploration case of structural ridge

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