Ultra-Low Permeability Reservoir Logging Series Evaluation in HQ Area
详细信息
- 责任者：Sun Baodian (Oil and Gas Evaluation Center ; CNPC Logging Co. ; Xi’an 710077 ; China) ; Song Ziqi
- 刊名：Oil Geophysical Prospecting
- 出版年：2012
- 卷期：47(3)
- 关键词：低渗透储集层 ; low permeability reservoirs ; 地球物理测井 ; geophysical logging ; 鄂尔多斯盆地 ; Ordos Basin
- 页码：p.483-490
- 图表：3 illus., 3 tables, 14 refs.
- 分类号：1600
- issnNo：ISSN1000-7210
- isbnNo：CN13-1095/TE
摘要
The reservoir Chang 6 in HQ area is characterized by low porosity,low permeability, complex lithology,and pore structure. Using ultra-low permeability identification and permeability characteristics analysis, the study focuses on the optimization evaluation of 11 types of logging. After statistical analysis of logging responses of more than 1000 reservoirs in 100 wells, the authors divide these 11 types of logging into 3 kinds of responses, good, normal or poor response. The statistical analysis shows that the different logging methods have different functions and effects. In lithology logging series, the best one is SP logging, CAL and Pe logging are normal, and GR logging is a poor one. In porosity logging series, the best one is DEN logging, then CNL, and the last one is AC.
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