准噶尔盆地西北缘车排7井区八道湾组顶部有利储层分布预测

张尚明; 程中疆; 金萍; 彭立才; 曾庆梓

doi:10.3969/j.issn.1006-6535.2021.03.006

特种油气藏 >

2021 , Vol. 28 >Issue 3: 40 - 46

DOI: https://doi.org/10.3969/j.issn.1006-6535.2021.03.006

地质勘探

准噶尔盆地西北缘车排7井区八道湾组顶部有利储层分布预测

张尚明 ,
程中疆 ,
金萍 ,
彭立才 ,
曾庆梓

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1.中国石油新疆油田分公司,新疆克拉玛依 834000;
2.清华大学,北京 100084;
3.山东科技大学,山东青岛 266590

张尚明(1987—),男,工程师,2008年毕业于中国地质大学(北京)资源勘查工程专业,现主要从事油气田开发工作。

收稿日期: 2020-05-23

修回日期: 2021-03-26

网络出版日期: 2022-02-16

基金资助

国家科技重大专项“大型岩性油气藏形成主控因素与有利区带评价”(2017ZX05001-002)

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Prediction of Favorable Reservoir Distribution on the Top of Badaowan Formation in Wellblock Chepai 7, Northwestern Margin, Junggar Basin

Zhang Shangming ,
Cheng Zhongjiang ,
Jin Ping ,
Peng Licai ,
Zeng Qingzi

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1. PetroChina Xinjiang Oilfield Company, Karamay, Xinjiang 834000, China;
2. Tsinghua University, Beijing 100084, China;
3. Shandong University of Science and Technology, Qingdao, Shandong 266590, China

Received date: 2020-05-23

Revised date: 2021-03-26

Online published: 2022-02-16

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摘要

针对准噶尔盆地西北缘车排7井区八道湾组顶部有利储层分布及油水关系认识不清,导致油藏扩边评价难以取得进展的问题,综合运用录井、测井及地震等资料,通过沉积相划分、连井砂体对比、地震属性分析、地震波阻抗反演及地层切片等技术手段,对研究区内沉积相和有利储层分布进行精细研究。研究结果表明:八道湾组顶部主要发育扇三角洲前缘沉积亚相,水下分流河道是最有利储层;八道湾组顶部主要发育由西北向东南方向展布的3个相对独立的扇三角洲水下分流河道砂体,其中2个为含油气有利储层;车5027井和车369井所在砂体为2个不连通的独立砂体;车5027井和车排7井所在砂体可以分别向东南和东南、东北方向扩边评价。该研究成果对研究区八道湾组进一步勘探开发具有重要的指导意义。

关键词： 储层预测; 波阻抗反演; 地震属性分析; 八道湾组顶部; 车排7井区; 准噶尔盆地

本文引用格式

张尚明 , 程中疆 , 金萍 , 彭立才 , 曾庆梓 . 准噶尔盆地西北缘车排7井区八道湾组顶部有利储层分布预测[J]. 特种油气藏, 2021 , 28(3) : 40 -46 . DOI: 10.3969/j.issn.1006-6535.2021.03.006

Abstract

Due to the poor understanding of favorable reservoir distribution and oil-water relationship in the top oil-gas-producing interval of the Badaowan Formation in the Wellblock Chepai 7, northwestern margin, the Junggar Basin, it is difficult to make progress in the evaluation of reservoir expansion. Based on logging, well testing and seismic data, the sedimentary facies and favorable reservoir distribution in the study area were carefully studied by means of sedimentary facies division, comparison of sand facies in continuous wells, seismic attribute analysis, seismic wave impedance inversion, stratigraphic slicing, etc. The results showed that there was fan prodelta sedimentary subfacies developed on the top of the Badaowan Formation, three relatively independent fan delta underwater distributary channel sand facies developed on the top of the Badaowan Formation from northwest to southeast, two of which were favorable oil and gas reservoirs. The sand facies of Wells Che 5027 and 369 were two independent disconnected sand facies. The sand facies of Well Che 5027 and Well Chepai 7 could be expanded in direction of southeast, southeast and northeast respectively. The study results play a guiding role in the further development of the Badaowan Formation in the study area.

Key words： reservoir prediction; wave impedance inversion; seismic attribute analysis; top of Badaowan Formation; Wellblock Chepai 7; Junggar Basin

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