天然气地球科学 ›› 2011, Vol. 22 ›› Issue (3): 391–398.doi: 10.11764/j.issn.1672-1926.2011.03.391

• 天然气地质学 • 上一篇    下一篇

埕岛地区中生界碎屑岩储层特征及综合评价

高喜龙   

  1. 中国石化胜利油田分公司海洋采油厂,山东 东营 257237
  • 收稿日期:2010-08-09 修回日期:2010-09-28 出版日期:2011-06-10 发布日期:2011-06-10
  • 通讯作者: 高喜龙gaoxilong.slyt@sinopec.com E-mail:gaoxilong.slyt@sinopec.com
  • 作者简介:高喜龙(1966-),男,甘肃宁县人,高级工程师,博士,主要从事油气勘探开发研究和管理工作.
  • 基金资助:

    中国石油化工股份有限公司提高采收率导向技术项目(编号:2009SO-PF0969D010E);国家“863”计划重点项目(编号:2008AA092801)联合资助.

Reservoir Characteristics and Comprehensive Evaluation of  Mesozoic Clastic Reservoirs in Chengdao Region

GAO Xi-Long   

  1. OffshoreOil Production Factory,Shengli Oilfield Company Ltd.,SINOPEC,Dongying  257237,China
  • Received:2010-08-09 Revised:2010-09-28 Online:2011-06-10 Published:2011-06-10

摘要:

通过用岩心观察、薄片鉴定、物性分析等实验室分析技术,对埕岛地区中生界开展碎屑岩储层的岩石特征、成岩作用、储层空间以及主控因素等进行了研究。结果表明:埕岛地区中生界碎屑岩储层经历了强烈的压实压溶作用、交代作用、溶解溶蚀作用、充填作用以及裂缝的形成作用。主要储集空间类型为溶解孔隙和裂缝。储层主要受沉积作用、成岩作用以及构造作用的影响,其中沉积作用是主要的控制因素,构造作用次之,成岩作用最小。综合考虑沉积作用、构造作用以及成岩作用对储层的影响,将中生界碎屑岩储层划分为4类,其中Ⅰ类储层最好,Ⅱ1亚类、Ⅱ2亚类和Ⅱ3亚类储层次之,Ⅲ类储层和Ⅳ类储层较差,属于低孔低渗透储层。

关键词: 埕岛地区, 中生界, 碎屑岩, 储层特征, 控制因素, 综合评价

Abstract:

      This paper studies rock characteristics,diagenesis,reservoir spaces and main control factors of Mesozoic clastic reservoirs in Chengdao region by means of core observation,thin\|section and physical property analysis. Results indicate that the Mesozoic clastic reservoirs have experienced strong compaction pressure solution,replacement,dissolution and packing action as well as crack formation. There exist two main reservoir spaces of dissolution pores and fractures. The reservoirs are controlled by sedimentation,diagenesis and tectonic effects,among which deposition is the main controlling factor,followed by tectonism,and diagenesis is the minimum. Consideration of sedimention,tectonism and diagenesis,the Mesozoic clastic reservoirs have been divided into four types,of which typeⅠis the best,followed by type Ⅱ1、2 andⅡ3,and type Ⅲ and Ⅳ are the lowest porosity and permeability reservoir.

Key words: Chengdao region, Mesozoic, Clastic, Reservoir characteristics, Control factors, Comprehensive evaluation.

中图分类号: 

  • TE122.2+21

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