Volume 36 Issue 1
Feb.  2019
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Article Navigation >  DRILLING FLUID & COMPLETION FLUID  > 2019  >  36(1): 46-50
LI Yanjun, HU Youlin, WU Jiang, ZHANG Wandong, LIAO Fengwu, YUE Qiansheng. A New Method for Evaluating Wetting Agents Used in Oil Base Drilling Fluid[J]. DRILLING FLUID & COMPLETION FLUID, 2019, 36(1): 46-50. doi: 10.3969/j.issn.1001-5620.2019.01.009
Citation: LI Yanjun, HU Youlin, WU Jiang, ZHANG Wandong, LIAO Fengwu, YUE Qiansheng. A New Method for Evaluating Wetting Agents Used in Oil Base Drilling Fluid[J]. DRILLING FLUID & COMPLETION FLUID, 2019, 36(1): 46-50. doi: 10.3969/j.issn.1001-5620.2019.01.009
shu

A New Method for Evaluating Wetting Agents Used in Oil Base Drilling Fluid

doi: 10.3969/j.issn.1001-5620.2019.01.009

  • 1. CNOOC Zhanjiang Branch Company, Zhanjiang, Guangdong 524057;

  • 2. School of Petroleum Engineering, Yangtze University, Wuhan, Hubei 430100;

  • 3. College of Chemistry and Environmental Engineering, Yangtze University, Jingzhou, Hubei 434023

  • Received Date: 2018-10-05
  • Publish Date: 2019-02-28
    Abstract
  • Wetting agent is a key additive of oil base drilling fluid. Presently although there are a lot of methods for evaluating the performance of the oil base mud wetting agents, there is no standard for the evaluation. A new simple and easy method has been established to eliminate the deficiencies the old methods have, and it is based on the plastic viscosity of the oil phase, the settling velocity of barite particles in the oil phase and the volume of barite particles that settles. Three oil base mud wetting agents were studied in our studies, which are wetting agent A, wetting agent B and wetting agent C. Using the above evaluation parameters, the performance of the three wetting agents is in an order of C > A > B. To verify the feasibility of the new method, the contact angles of the three wetting agents and the properties of an oil base drilling fluid sample treated with A, B and C, respectively. The results showed that the new method is able to be used to effectively evaluate the wetting performance of wetting agents used in oil base drilling fluid.

     

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