岩性油气藏 ›› 2017, Vol. 29 ›› Issue (3): 76–82.doi: 10.3969/j.issn.1673-8926.2017.03.009

• 油气地质 • 上一篇    下一篇

缝洞型碳酸盐岩油藏储层类型动静态识别方法——以塔里木盆地奥陶系为例

程飞   

  1. 山东胜软科技股份有限公司 胜软油气勘探开发研究院, 山东 东营 257000
  • 收稿日期:2016-07-11 修回日期:2016-09-21 出版日期:2017-05-21 发布日期:2017-05-21
  • 作者简介:程飞(1989-),男,主要从事油气藏开发地质综合研究工作。地址:(257000)山东省东营市东营区北一路726号海科大厦。Email:cf20080189@163.com。
  • 基金资助:
    国家重大科技专项“大型油气田及煤层气开发”（编号：2011ZX05004）和中国石油天然气股份公司重大科技专项“塔北碳酸盐岩油藏重大开发试验”（编号：2014E-2015）联合资助

Integrated dynamic and static identification method of fracturedvuggy carbonate reservoirs: a case from the Ordovician in Tarim Basin

CHENG Fei   

  1. Oil & Gas Exploration and Development Research Institute of Victorysoft, Shandong Victorysoft Co., Ltd., Dongying 257000, Shandong, China
  • Received:2016-07-11 Revised:2016-09-21 Online:2017-05-21 Published:2017-05-21

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摘要： 塔里木盆地奥陶系碳酸盐岩储层非均质性和各向异性极强，成因机理复杂，不同成因、机理及尺度的孔、洞、缝常伴生发育，单一的静态方法（钻井、岩心、测井和地震等）探测范围较小及精度不够准确，难以精细划分储层类型。在以动窥静，动静结合的思路下，深入剖析了145口井的动静态资料及其在不同储层类型中的响应特征，最终确定以试井渗透率、井储系数、井控半径、酸压停泵压力、累积产液压降曲线、钻井放空漏失、地震反射特征和测井曲线为主体，建立碳酸盐岩油藏储层类型识别模板，并划分出3种储层类型，即洞穴+裂缝孔洞型、洞穴型和裂缝-孔洞型。该方法克服了以往依靠单因素识别储层类型的局限性，拓展了动静态方法结合的研究思路，为碳酸盐岩油藏储层类型的识别提供了依据。

关键词: 储层特征, 成岩作用, 孔隙演化, 巴二段, 查干凹陷

Abstract: The carbonate reservoirs are characterized by strong heterogeneity, anisotropy and complex genetic mechanism. The vuggy, caves and fractures are associated with each other in variety of different genesis, formation mechanisms and scales in a Ordovician carbonate reservoir of Tarim Basin, thus it is difficult to classify carbonate reservoir types by using single static data. The static and dynamic data from 145 wells and their response characteristics in different types of reservoirs were analyzed, and well testing permeability, wellbore storage coefficient, well control radius, acid fracturing pressure of pump off, cumulative production hydraulic curve, drilling blowdown leakage, seismic reflection characteristics and logging curve were selected to establish the identification model of carbonate reservoirs. The reservoirs were divided into three types:cavity-fracture, cavity and fractured-vuggy. This method overcomes the limitation of identifying reservoir types by single factor in the past, ex-pands the research methods of the combination of dynamic and static methods, and provides a basis for the identification of carbonate reservoirs.

Key words: reservoir characteristic, diagenesis, porosity evolution, the second member of Bayingebi Formation, Chagan Depression

中图分类号: 

  • TE132.1
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