Volume 32 Issue 4
May  2015
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Article Navigation >  DRILLING FLUID & COMPLETION FLUID  > 2015  >  32(4): 25-27
LI Xiaolan, SU Xuexia, ZHENG Zhijun, GUO Peng, SUN Ju. Preparation and Study of Fracture Sealing and Plugging Agent FPS[J]. DRILLING FLUID & COMPLETION FLUID, 2015, 32(4): 25-27. doi: 10.3969/j.issn.1001-5620.2015.04.007
Citation: LI Xiaolan, SU Xuexia, ZHENG Zhijun, GUO Peng, SUN Ju. Preparation and Study of Fracture Sealing and Plugging Agent FPS[J]. DRILLING FLUID & COMPLETION FLUID, 2015, 32(4): 25-27. doi: 10.3969/j.issn.1001-5620.2015.04.007
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Preparation and Study of Fracture Sealing and Plugging Agent FPS

doi: 10.3969/j.issn.1001-5620.2015.04.007

  • No. 462 Zhongyuan Road, Puyang City, Henan 457001, China

  • Received Date: 2015-02-28
  • Publish Date: 2015-07-31
    Abstract
  • A product, FPS, is synthesized with used foam styrene, butyl methacrylate and acrylamide using emulsion polymerization. FPS has particle sizes distributed between 0.1 μm and 10 μm, and is aimed at sealing and plugging micro-fractures in borehole walls during drilling. FPS is stable at temperature up to 180 ℃. Drilling fluid treated with FPS at concentration of 2% has good mud cakes, and reduces the filter loss of fresh water drilling fluid from 45 mL to 13.6 mL, and the filter loss of polymer sulfonate drilling fluid from 12 mL to 4 mL. FPS has particle sizes that are compatible with the sizes of micro-fractures and quickly forms a film in the nearwellbore zones. FPS has better performance as a sealing and plugging agent than sulfonated asphalt.

     

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