Volume 32 Issue 3
Jul.  2015
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Article Navigation >  DRILLING FLUID & COMPLETION FLUID  > 2015  >  32(3): 27-29
LIN Feng, YOU Fuchang, WANG Shengxiang, YANG Peilong. Study on Prevention of Barite Sedimentation in Weighted Drilling Fluids[J]. DRILLING FLUID & COMPLETION FLUID, 2015, 32(3): 27-29. doi: 10.3969/j.issn.1001-5620.2015.03.008
Citation: LIN Feng, YOU Fuchang, WANG Shengxiang, YANG Peilong. Study on Prevention of Barite Sedimentation in Weighted Drilling Fluids[J]. DRILLING FLUID & COMPLETION FLUID, 2015, 32(3): 27-29. doi: 10.3969/j.issn.1001-5620.2015.03.008
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Study on Prevention of Barite Sedimentation in Weighted Drilling Fluids

doi: 10.3969/j.issn.1001-5620.2015.03.008

  • Level 18 of Block B, Kaiheng Mansion, No. 2 Chaoyangmen Nei Dajie, Dongcheng District, Beijing 100010, China

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  • Corresponding author: 由福昌,E-mail:yfc81@163.com。
  • Received Date: 2015-01-18
  • Publish Date: 2015-05-31
    Abstract
  • Settling of barite has long been a problem in deviated well and extended reach well drilling. A cost effective method for preventing barite settling is developed by combining the methods for barite particle size measurement and sedimentation stability testing. Experiments showed that by adding a certain amount of ultra-fine barite into commonly used drilling fluid barite improved the sedimentation stability, especially the dynamic sedimentation, of the barite, the dynamic density difference decreased from 0.436 g/cm3 for conventional barite only, to 0.011 g/cm3 for the mixed barite, greatly improving the sedimentation stability of barite.

     

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