西南石油大学学报(自然科学版) ›› 2008, Vol. 30 ›› Issue (6): 54-56.DOI: 10.3863/j.issn.1000-2634.2008.06.013

• 地质勘探 • Previous Articles     Next Articles

THE QUANTITATIVE FORECASTING METHOD FOR INTRAGRANULAR FRACTURE DISTRIBUTION

LIU Jin-hua1a,1b YANG Shao-chun1a,1b REN Huai-qiang1a,1b LIANG Qin2a CHEN Xuan2b   

  1. 1.China University of Petroleum：a.Subtle Reservoir and Remaining Oil Researching Laboratory，b.Resources and Information Institute，Dongying Shandong 257061，China； 2.Tuha Oilfield Company of Petrochina：a.Exploitation Department，b.Exploration and Development Research Institute，Hami Xinjiang 839009，China
  • Received:1900-01-01 Revised:1900-01-01 Online:2008-12-20 Published:2008-12-20

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Abstract:

In the process researching the reservoirs in Hongtai area，which is based on the casting and conventional thin section inspection data，many intragranular

fractures are found.Because the development scope and degree of fractures in the downdip block are lower than the ones in hanging wall in the research area，the further the

distance from the wall is，the lower the development degree，and the width and length of the fractures decrease with the distance increasing，after researching and

analyzing the fractures，it is recognized the origin of the fractures is not by normal compaction，but the influence of reverse slip fault.Because there is an close

relationship between the width of the intergranular fractures and the distance from the wall，a method by using regression and statistics is put forward to forecast the

relationship between the width of fracture development belt and the distance from the wall，which can qualitatively forecast the scope of fracture development.

Key words: Tuha Basin, Hongtai area, intragranular fracture, regression analysis, quantitative forecast

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