Volume 37 Issue 3
Jun.  2020
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Article Navigation >  DRILLING FLUID & COMPLETION FLUID  > 2020  >  37(3): 384-388
WANG Hongke, LIU Yin, HE Wu, ZHOU Guanglong, LU Wei, JIN Jianxia, LIU Yuchen, LI Xingbao. Preparation of Fracturing Fluids with Hot Water[J]. DRILLING FLUID & COMPLETION FLUID, 2020, 37(3): 384-388. doi: 10.3969/j.issn.1001-5620.2020.03.020
Citation: WANG Hongke, LIU Yin, HE Wu, ZHOU Guanglong, LU Wei, JIN Jianxia, LIU Yuchen, LI Xingbao. Preparation of Fracturing Fluids with Hot Water[J]. DRILLING FLUID & COMPLETION FLUID, 2020, 37(3): 384-388. doi: 10.3969/j.issn.1001-5620.2020.03.020
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Preparation of Fracturing Fluids with Hot Water

doi: 10.3969/j.issn.1001-5620.2020.03.020

  • 1. Research Institute of Engineering Technology of CNPC Bohai Drilling Engineering Company Limited, Tianjin 300280;

  • 2. Downhole Technical Service Branch of CNPC Bohai Drilling Engineering Company Limited, Tianjin 300280;

  • 3. Tianjin Design Institute of China Petroleum Engineering Project Management Company, Tianjin 300457;

  • 4. The second gas production plant of Changqing oilfield, Preparation of Fracturing Fluids with Hot Water, Yulin, Shan'xi 716000

  • Received Date: 2020-02-02
  • Publish Date: 2020-06-28
    Abstract
  • Reservoirs in the Fuer member in Subei basin produce oils with high pour point, no asphaltene and low sulfur. Fracturing fluids prepared with water of normal temperature render "cold" damage to the producibility of the reservoirs. By optimizing the method of preventing "cold" damage from fracturing operation and analyzing the mechanisms of dispersion of guar gum in hot water, a fracturing fluid was prepared with hot water. Studies were performed on the effects of hot water on the properties of guar gum fracturing fluid, such as apparent viscosity, time for swelling, shear viscosity, time of sand suspending, viscosity of fluid with gel broken as well as core damage etc., and a technology of preparing fracturing fluid with water of 70℃ was established. Field application showed that the fracturing fluid prepared with hot water effectively prevented "cold" damage to the reservoirs. Production rate of oil after fracturing job was 6.8 m3/d, 2 times of the production rate of the reservoirs fractured with fracturing fluids prepared with water of normal temperature, demonstrating that the hot water fracturing fluid has presented good potential in enhancing oil recovery.

     

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