珠江口盆地珠一坳陷隆控类油藏有利发育区带定量预测与评价

doi:10.7623/syxb2015S2012

石油学报 ›› 2015, Vol. 36 ›› Issue (S2): 134-144.DOI: 10.7623/syxb2015S2012

珠江口盆地珠一坳陷隆控类油藏有利发育区带定量预测与评价

刘丽华¹, 李洪博¹, 彭辉界¹, 王文勇¹, 姜大朋¹, 肖爽^2,3, 高翔¹

1. 中海石油(中国)有限公司深圳分公司研究院广东广州 510240;
2. 油气资源与探测国家重点实验室北京 102249;
3. 中国石油大学盆地与油藏研究中心北京 102249

收稿日期:2015-08-04 修回日期:2015-11-18 发布日期:2016-02-24
通讯作者: 刘丽华,女,1963年12月,1983年获成都地质学院学士学位,1992年获成都地质学院博士学位,现任中海石油(中国)有限公司深圳分公司南海东部石油研究院区域室主任、高级工程师,主要从事石油地质研究与勘探工作.Email:liulh1@cnooc.com.cn
基金资助:
国家重大科技专项(2011ZX05023-006-003)资助.

Q uantitative prediction and evaluation of favorable development zone of uplift-controlling reservoir in Zhu I depression of Pearl River Mouth Basin

Liu Lihua¹, Li Hongbo¹, Peng Huijie¹, Wang Wenyong¹, Jiang Dapeng¹, Xiao Shuang^2,3, Gao Xiang¹

1. Research Institute of Shenzhen Branch, CNOOC China Limited, Guangdong Guangzhou 510240, China;
2. State Key Laboratory of Petroleum Resources and Prospecting, Beijing 102249, China;
3. Basin and Reservoir Research Center, China University of Petroleum, Beijing 102249, China

Received:2015-08-04 Revised:2015-11-18 Published:2016-02-24

摘要/Abstract

摘要：

珠江口盆地珠一坳陷发现的油气主要集中在中浅层,油藏类型主要为背斜、断鼻等构造类油藏.该类油藏多分布在继承性的正向构造上,也称之为"隆控类"油藏,即在浮力作用下油气向隆起部位运移,成藏与否主要与盖(C)、相(D)、古隆起(M)及源(S)四大功能要素有关.本次通过对已发现油气藏解剖分析及统计,建立各单要素定量控藏数学模型,同时采用功能要素组合控藏模式(T-CDMS)对珠一坳陷隆控类油藏有利发育区带进行定量预测和可靠性检验.结果表明:油气藏主要分布在距烃源灶3.5倍排烃半径范围内,以三角洲前缘亚相沉积砂体储集油气能力最强,古隆起坡顶及坡上位置较为发育,同时泥/地比大于30 % 时封盖才有效.在此基础上,定量预测了韩江组上段、韩江组下段、珠江组上段、珠江组下段、珠海组5套目的层位的有利勘探区带为XJ24潜山断裂构造带、HZ10潜山披覆构造带、HZ26潜山披覆构造带,是下一步滚动勘探的有利方向.

关键词: 珠一坳陷, 隆控类油藏, 功能要素组合模式, 定量预测

Abstract:

Discovered hydrocarbons in Zhu I depression of Pearl River Mouth Basin are mainly distributed in the medium-shallow strata. Hydrocarbon reservoirs are mainly classified as structural type, such as anticline and fault nose. This type of reservoir is mainly distributed in the inherited positive structure, also called uplift-controlling reservoir, i.e., hydrocarbons migrating toward uplift by buoyancy. Formation of reservoir is depended on 4 controlling factors, including cap rock (C), facies(D), palaeohigh (M) and source (S). Based on analyses of the discovered reservoirs and statistics data, mathematical model is built for quantitative control of single element on the reservoir, and model of functional element (T-CDMS) is also adopted for quantitative prediction and reliability test of favorable development zone of uplift-controlling reservoir in Zhu I depression. The results show that reservoir is mainly distributed within the range 3.5 times the radius of hydrocarbon expulsion from hydrocarbon kitchen; sedimentary sand body of delta front subfacies is of the strongest hydrocarbons storage capacity; hydrocarbon reservoir is relatively developed in the top or upslope of palaeohigh, and sealing is not effective unless ratio of mud thickness to bed thickness is above 30 % . On this basis, favorable prospecting zones of five sets of target strata, including the upper and lower Member of Hanjiang Formation, upper and lower Member of Zhujiang Formation and Zhuhai Formation, are predicted to be buried hill faulted structure belt XJ24, as well as buried hill drape structural belt HZ10 and HZ26, indicating favorable direction for further exploration.

Key words: Zhu I depression, uplift-controlling hydrocarbon, function elements combined model, quantitative prediction

中图分类号:

TE122

刘丽华, 李洪博, 彭辉界, 王文勇, 姜大朋, 肖爽, 高翔. 珠江口盆地珠一坳陷隆控类油藏有利发育区带定量预测与评价[J]. 石油学报, 2015, 36(S2): 134-144.

Liu Lihua, Li Hongbo, Peng Huijie, Wang Wenyong, Jiang Dapeng, Xiao Shuang, Gao Xiang. Q uantitative prediction and evaluation of favorable development zone of uplift-controlling reservoir in Zhu I depression of Pearl River Mouth Basin[J]. Acta Petrolei Sinica, 2015, 36(S2): 134-144.

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珠江口盆地珠一坳陷隆控类油藏有利发育区带定量预测与评价

Q uantitative prediction and evaluation of favorable development zone of uplift-controlling reservoir in Zhu I depression of Pearl River Mouth Basin

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