Volume 32 Issue 5
Sep.  2015
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LIU Minghua, ZHANG Bin, WANG Yang, HUANG Guichun, SUN Ju, WANG Zhonghua. Performance Evaluation of Powdered Oil Base Mud Emulsifier[J]. DRILLING FLUID & COMPLETION FLUID, 2015, 32(5): 7-9. doi: 10.3969/j.issn.1001-5620.2015.05.002
Citation: LIU Minghua, ZHANG Bin, WANG Yang, HUANG Guichun, SUN Ju, WANG Zhonghua. Performance Evaluation of Powdered Oil Base Mud Emulsifier[J]. DRILLING FLUID & COMPLETION FLUID, 2015, 32(5): 7-9. doi: 10.3969/j.issn.1001-5620.2015.05.002
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Performance Evaluation of Powdered Oil Base Mud Emulsifier

doi: 10.3969/j.issn.1001-5620.2015.05.002

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

  • Received Date: 2015-04-03
  • Publish Date: 2015-09-30
    Abstract
  • A powdered emulsifier used in oil base drilling fluid is synthesized using 2, 6-diaminopyridine, amine and organic acids. It has melting point of 120℃ and HLB value of 1.7. As a vitrescentmaterial this emulsifier is easy to pulverize. Characterization of this emulsifier shows that amidation has taken place in the synthesis process, proved by the presence of -CONH2 peak in the IR spectrum. At a treatment of 3% in oil base drilling fluids with different oil/water ratios, good emulsion stability is obtained. Oil water emulsion with oil/water ratio of 7:3 has emulsion stability (ES) voltage of 600 V and 100% emulsification. Oil base muds treated with this emulsifier have ES voltage of 625 V, temperature stability of 180℃ and YP/PV ratio of 0.30 Pa/mPa·s. Newly prepared oil base muds treated with this emulsifier has stable properties after aging at 150℃ for 48 hours, and the ES voltage is greater than 700 V, indicating that this emulsifier has good emulsifying capacity and high temperature stability.

     

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    • References(5)
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