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Volume 40 Issue 3
May  2021
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Article Navigation >  Bulletin of Geological Science and Technology  > 2021  >  40(3): 78-84
Song Zhifeng, Zhang Jianguang. Classification and modeling of targeted fracture-cave bodies in acid fracturing[J]. Bulletin of Geological Science and Technology, 2021, 40(3): 78-84. doi: 10.19509/j.cnki.dzkq.2021.0303
Citation: Song Zhifeng, Zhang Jianguang. Classification and modeling of targeted fracture-cave bodies in acid fracturing[J]. Bulletin of Geological Science and Technology, 2021, 40(3): 78-84. doi: 10.19509/j.cnki.dzkq.2021.0303
shu

Classification and modeling of targeted fracture-cave bodies in acid fracturing

doi: 10.19509/j.cnki.dzkq.2021.0303
  • Received Date: 01 Aug 2020
    Abstract
  • targeted acid-fracturing technology is very demanding of the Localization and characterization of the reservoirs near wellbores.It is the key to accurately and quantitatively characterize the location, distance, scale and spatial distribution of the main stress of the reservoir near the wellbore.We realized the integration of the different types reservoir and builded multiple types fusion model of fracture-vug reservoir using five kinds of methods to depict different reservoir type with one-dimensional data to 3d data.Based on the unit level model, a visualized 3d quantitative model method for different ranges of Wells is established, and a three-level single well quantitative model is established.Based on the nine-factor of four-level classification index system of acidizing fracturing, 11 types of target reservoir and its adaptation technology methods were determined.Targeted acid-fracturing oil field application results: the effect is remarkable with higher production, more than 3.6 times than a conventional acid-fracturing in the same oil block.It significantly improves the pertinence and targeting of acid-fracturing technology.

     

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