Volume 32 Issue 1
Jan.  2015
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CHEN Bo, ZHAO Houchun, XU Xintong. Drilling Fluid Technology to Enhance ROP in Azraq, Sudan[J]. DRILLING FLUID & COMPLETION FLUID, 2015, 32(1): 93-96. doi: 10.3969/j.issn.1001-5620.2015.01.025
Citation: CHEN Bo, ZHAO Houchun, XU Xintong. Drilling Fluid Technology to Enhance ROP in Azraq, Sudan[J]. DRILLING FLUID & COMPLETION FLUID, 2015, 32(1): 93-96. doi: 10.3969/j.issn.1001-5620.2015.01.025
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Drilling Fluid Technology to Enhance ROP in Azraq, Sudan

doi: 10.3969/j.issn.1001-5620.2015.01.025

  • 11 Floor of Building A, Beichen Shiji Center, No. 8 Beichenxi Road, Chaoyang District, Beijing 100101, china

  • Received Date: 2014-10-25
  • Publish Date: 2015-01-30
    Abstract
  • Optimization of drilling fluid property was studied in laboratory to aim at rate of penetration (ROP) in Azraq area in Sudan. The optimized drilling fluid had filter loss of 6-8 mL, plastic viscosity (PV) of 15-20 mPa·s, yield point (YP) of 10-15 Pa and an YP/PV ratio of 0.75 Pa/mPa·s. A clay-free silicate drilling fluid with these properties was formulated through laboratory experiment. With this drilling fluid the ROP was increased from 6-8 m/h to 12-18 m/h in the Abu Gbura formation. The well Azraq K-9 was completed in the shortest period of time in this area.

     

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