准噶尔盆地西北缘超剥带圈闭含油性量化评价

doi:10.7623/syxb201601005

石油学报 ›› 2016, Vol. 37 ›› Issue (1): 64-72.DOI: 10.7623/syxb201601005

准噶尔盆地西北缘超剥带圈闭含油性量化评价

宋明水¹, 赵乐强², 宫亚军², 曾治平², 沈扬², 陈雪²

1. 中国石油化工股份有限公司胜利油田分公司山东东营 257000;
2. 中国石油化工股份有限公司胜利油田分公司勘探开发研究院西部分院山东东营 257000

收稿日期:2015-07-07 修回日期:2015-12-05 出版日期:2016-01-25 发布日期:2016-02-02
通讯作者: 宫亚军,男,1984年10月生,2007年获成都理工大学资源勘察工程专业学士学位,2010年获成都理工大学矿产普查与勘探专业硕士学位,现为中国石油化工股份有限公司胜利油田分公司勘探开发研究院西部分院工程师,主要从事区域油气成藏研究工作。Email:278365907@qq.com
作者简介:宋明水,男,1964年6月生,1987年获华东师范大学地质与地貌专业学士学位,现为中国石油化工股份有限公司胜利油田分公司教授级高级工程师,主要从事油田勘探与管理工作。Email:songms@slof.com
基金资助:
国家重大科技专项(2011ZX05002-002)及中国石油化工股份有限公司重大科技攻关项目"准西北地区超剥带成藏规律及勘探目标"(P12028)资助。

Quantitative assessment on trap oil-bearing property in ultra-denudation zones at the northwestern margin of Junggar Basin

Song Mingshui¹, Zhao Leqiang², Gong Yajun², Zeng Zhiping², Shen Yang², Chen Xue²

1. Sinopec Shengli Oilfield Company, Shandong Dongying 257001, China;
2. Western Branch, Research Institute of Exploration and Development, Sinopec Shengli Oilfield Company, Shandong Dongying 257001, China

Received:2015-07-07 Revised:2015-12-05 Online:2016-01-25 Published:2016-02-02

摘要/Abstract

摘要：

准噶尔盆地西北缘超剥带圈闭总体上具有分布广、埋藏浅、圈-源距离较远、圈闭含油性差异大等特点。圈闭含油性主要受控于断层-砂体(断-砂)输导体系的输导性能、油气运移距离、储-盖物性差等因素。其中,断层、砂体的输导性能分别可用断层启闭指数、砂体输导指数进行表征,油气运移距离可用圈-源平面距离表征,圈闭储集性能可用遮盖层与储集层孔隙度差值进行表征。圈闭是否含油取决于断层-砂体输导指数是否超过临界值,圈闭含油程度与断层-砂体输导指数、圈闭储-盖孔隙度差呈较好正相关关系,而与圈-源平面距离呈负相关关系。在圈闭含油性与单因素关系分析基础上,通过多因素综合,建立了超剥带圈闭含油性多参数拟合关系式,应用结果表明,该拟合关系式预测值与实际值吻合度较高,可用来对准噶尔盆地西北缘超剥带圈闭含油性进行量化评价。

关键词: 圈闭含油性, 主控因素, 量化评价, 超剥带, 西北缘, 准噶尔盆地

Abstract:

The traps in the ultra-denudation zones at the northwestern margin of Junggar Basin are characterized by wide distribution,shallow buried depth,long trap-source distance,large differences in trap oil-bearing property and etc.Trap oil-bearing property is mainly controlled by the migrating capability of fault-sand transport system,hydrocarbon migration distance,poor reservoir-cap physical properties and other factors.Among them,the fault-sand transport performance can be expressed by fault open-closure index and sand transport index.The hydrocarbon migration distance can be expressed by trap-source plane distance,and trap reserving performance can be characterized by the difference in reservoir porosity between reservoir and cap rock.Whether the trap contains oil or not depends on whether the fault-sand transport index exceeds critical value.The trap oil-bearing degree has a favorable positive correlation with fault-sand transport index and trap reservoir-cap porosity difference,but shows a negative correlation with trap-source plane distance.Through analyzing the relationship between trap oil-bearing property and single factors,multiple factors are combined to establish the multi-parameter fitting relation of trap oil-bearing property in ultra-denudation zones.The application results show that the predicted value of such fitting relation is highly consistent with the true value,so that this relation can be used for quantitative assessment on the trap oil-bearing property in ultra-denudation zones at the northwestern margin of Junggar Basin.

Key words: trap oil-bearing property, main controlling factors, quantitative assessment, ultra-denudation zone, northwestern margin, Junggar Basin

中图分类号:

TE122

宋明水, 赵乐强, 宫亚军, 曾治平, 沈扬, 陈雪. 准噶尔盆地西北缘超剥带圈闭含油性量化评价[J]. 石油学报, 2016, 37(1): 64-72.

Song Mingshui, Zhao Leqiang, Gong Yajun, Zeng Zhiping, Shen Yang, Chen Xue. Quantitative assessment on trap oil-bearing property in ultra-denudation zones at the northwestern margin of Junggar Basin[J]. Acta Petrolei Sinica, 2016, 37(1): 64-72.

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准噶尔盆地西北缘超剥带圈闭含油性量化评价

Quantitative assessment on trap oil-bearing property in ultra-denudation zones at the northwestern margin of Junggar Basin

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