Special Oil & Gas Reservoirs >

2022 , Vol. 29 >Issue 3: 57 - 63

DOI: https://doi.org/10.3969/j.issn.1006-6535.2022.03.008

Geologic Exploration

Study on Logging Identification Method and Influencing Factors of Water-flooded Zone in Tight Sandstone Reservoir

  • Liu Yanhong ,
  • Luo Xingwang ,
  • Zhang Wu ,
  • Li Chen ,
  • Zhang Ruixue ,
  • Luo Qiang ,
  • Wang Bin ,
  • Zhang Yanmei
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  • 1. PetroChina Xinjiang Oilfield Company, Fukang, Xinjiang 831511, China;
    2. Xinjiang Zhundong Petroleum Technology Co. Ltd,Fukang,Xinjiang 831511,China

Received date: 2021-04-26

  Revised date: 2022-03-28

  Online published: 2023-01-09

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Abstract

In view of the complex and variable logging response characteristics of the Permian tight sandstone reservoirs in Junggar Basin, difficulty in identifying the water-flooded zones, and other challenges, a logging interpretation model was established for the parameters of the water-flooded zones according to the logging principles and methods, so as to obtain the characteristic parameters of water-flooded zone such as oil saturation and flow zone indicator. A set of quantitative characterization technologies for water-flooded zones in fractured tight sandstone oil reservoirs were developed to accurately identify the logging response characteristics of water-flooded zones. The field application results showed that the technology worked well in actual oil wells. After the implementation of the scheme, the water cut of the oil well was decreased sharply from 98% to 40%, the daily oil production increased from 0.5 t/d to 5.2 t/d, and the productivity increased nearly 10 times, with obvious development effect. The research results enrich the effective identification and quantitative characterization of water-flooded zones in Junggar Basin, and also provide a reference for the identification and effective development of water-flooded zones in similar oil reservoirs.

Key words： tight sandstone; lithology; logging response; influencing factors; well placement; Junggar Basin; Huoshaoshan Oilfield

Cite this article

Liu Yanhong , Luo Xingwang , Zhang Wu , Li Chen , Zhang Ruixue , Luo Qiang , Wang Bin , Zhang Yanmei . Study on Logging Identification Method and Influencing Factors of Water-flooded Zone in Tight Sandstone Reservoir[J]. Special Oil & Gas Reservoirs, 2022 , 29(3) : 57 -63 . DOI: 10.3969/j.issn.1006-6535.2022.03.008

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