岩性油气藏 ›› 2016, Vol. 28 ›› Issue (3): 27–33.doi: 10.3969/j.issn.1673-8926.2016.03.005

• 油气地质 • 上一篇    下一篇

EUR 分级类比法在致密油资源评价中的应用—— 以三塘湖盆地芦草沟组为例

苟红光1,2,赵莉莉2,梁桂宾2,佘家朝2,刘俊田2   

  1.  1. 中国石油大学(华东) 石油工程学院,山东 青岛 266580 ; 2. 中国石油吐哈油田分公司 勘探开发研究院,新疆 哈密 839009
  • 出版日期:2016-05-20 发布日期:2016-05-20
  • 第一作者:苟红光( 1972- ),男,硕士,高级工程师,主要从事油气资源评价与区域地质综合研究方面的工作。 地址:( 839009 )新疆哈密市石油基地勘探开发研究院勘探二所。 电话:( 0902 ) 2763724 。 E-mail : gouhongguang@petrochina.com.cn
  • 基金资助:

    中国石油股份有限公司重大科技专项“中国石油第四次油气资源评价”(编号: 2013E-050206 )和“十三五”国家重大科技专项专题“吐哈—三塘湖盆地岩性地层油气藏分布规律与目标评价”(编号: 2016ZX05001003-006 )联合资助

Application of EUR distribution analogous method to tight oil assessment:A case study from Lucaogou Formation in Santanghu Basin

  Gou Hongguang12, Zhao Lili2, L iang Guibin2, She Jiachao2, L iu Juntian2

    

  1.  1. School of Petroleum Engineering , China University of Petroleum , Qingdao 266580 , Shandong , China ; 2. Research Institute of Exploration and Development , PetroChina Tuha Oilfield Company , Hami 839009 , Xinjiang , China
  • Online:2016-05-20 Published:2016-05-20

摘要:

致密油资源评价在国内还处于起步阶段,不同专家对其资源潜力和规模的认识差异较大。 三塘湖盆地芦草沟组属典型的致密油,烃源岩厚度、成熟度和总有机碳含量均是控制油气富集的主要因素。 与生产实际紧密结合,建立了三塘湖盆地芦草沟组致密油有利区分级地质评价标准,优选出油气勘探的 3级评价区。 以 EUR ( Estimated Ultimate Recovery )分级类比法资源评价的关键参数研究为核心,应用油井产量递减规律进行不同评价区单井 EUR 值求取,运用合理开发井距法、探边测试法和微地震裂缝监测法等 3 种方法开展了井控面积参数研究,并进行了多方法相互印证,保证了评价结果的科学性与合理性。 评价结果已应用于勘探生产中,有效地指导了油气勘探部署,该方法对其他致密油评价区也具有参考价值。

关键词: 单砂体分布模式, 沉积微相, 岩性油藏, 扶余油层, 松辽盆地

Abstract:

Tight oil resource assessment is still in the initial stage in China, and the understandings of the resource scale from different experts are different. The Lucaogou Formation in Santanghu Basin is typical tight oil reservoir,and source rock thickness, maturity and total organic carbon content are the main factors for controlling hydrocarbon enrichment. Combined with practical production, a geological classification evaluation criterion of favorable area was established, and three favorable areas for hydrocarbon exploration were selected. With the key parameters of EUR ( estimated ultimate recovery ) distribution analogous method as the core, the decline law of well production was applied to obtain the EUR value of single well in different evaluation areas. The reasonable well spacing method, delineation drilling test method and microseismic fracture monitoring method were used to study the well control area parameters,and multi-methods were mutually verified to ensure the scientificity and rationality of the evaluation results. The evaluation results have been applied to exploration and production, and effectively guided the oil and gas exploration deployment. This method has important reference for other tight oil region.

Key words: single sand body distribution patterns, sedimentary microfacies, lithologic reservoirs, Fuyu oil layer, Songliao Basin

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