冀中坳陷饶阳凹陷二次勘探实践

doi:10.3969/j.issn.1672-7703.2017.05.003

摘要/Abstract

摘要： 通过深入分析饶阳凹陷剩余资源和勘探程度，指出饶阳凹陷还存在持续勘探的潜力，明确洼槽区、斜坡带及隐蔽型潜山为下步重点勘探领域和方向，同时梳理出深化勘探面临的地震资料碎散、构造关系与有效储层展布不清、成藏主控因素与成藏模式不明等关键问题。为了最大限度地挖掘资源，寻找更多的优质规模储量，进一步提高资源转化率，提出基于"整体认识、整体评价和整体部署"的饶阳凹陷二次勘探思路与方法，即构建全凹陷整体三维地震数据平台，重建凹陷构造、沉积、储层地质模型，量化表征油气资源空间分布，构建多领域成藏模式，优选重点领域与目标整体实施、精细勘探。自2005年以来，饶阳凹陷应用二次勘探思路与方法，相继取得油气重要发现，形成了2×10⁸t级规模效益储量区。通过对饶阳凹陷二次勘探实践的剖析，系统阐述了其二次勘探方法、技术和经验，以期对其他类似地区或领域的油气勘探工作有所借鉴和启迪。

关键词: 饶阳凹陷, 洼槽区, 斜坡带, 隐蔽型潜山, 二次勘探

Abstract: In-depth analysis of remaining resources and exploration degree in the Raoyang sag indicated sustainable exploration potential, and made clear future key exploration domains and directionsin the low-lying zone, slope zone and subtle buried hill, and pointed out potential issues in further exploration, such as scattered seismic data, unclear structural relationship and distribution of effective reservoirs, unidentified controlling factors and models of hydrocarbon accumulation. In order to discover more resources and high-quality large-scale reserves, and further increase resource conversion ratio, principles focusing on "overall understanding, comprehensive evaluation and integral deployment" for secondary exploration in the Raoyang sag were put forward, namely,to establish an overall 3D seismic data platform of the whole sag, to rebuild structure model, sedimentary model and reservoir geological model of the sag, to quantify the spatial distribution of hydrocarbon resources, to build multi-field hydrocarbon accumulation models, and to carry out integral and fine exploration in optimized key areas and targets. Following these principles, since 2005, a series of important discoveries have been made and constructed 200 million tons of large-scale economic reserves area in the Raoyang sag. This paper analyzes and summarizes the methods, techniques and experiences of the secondary exploration in the Raoyang sag, which may provide reference to and enlightenment on further exploration in other similar sags.

Key words: Raoyang sag, low-lying zone, slope zone, subtle buried hill, secondary exploration

中图分类号:

TE112.12

侯凤香, 刘井旺, 李熹微, 汪勇, 王鑫, 侯凤梅, 袁文娟, 肖红, 刘慧. 冀中坳陷饶阳凹陷二次勘探实践[J]. 中国石油勘探, 2017, 22(5): 21-32.

Hou Fengxiang, Liu Jingwang, Li Xiwei, Wang Yong, Wang Xin, Hou Fengmei, Yuan Wenjuan, Xiao Hong, Liu Hui. Secondary exploration practice in Raoyang sag, Jizhong depression, Bohai Bay Basin[J]. China Petroleum Exploration, 2017, 22(5): 21-32.

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