Volume 32 Issue 1
Jan.  2015
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SHI Peiqian, WANG Qing, ZHANG Hongwei, WANG Shanju, LI Baohui. Development and Evaluation of a Dual Adsorption Base Lubricant SR-1[J]. DRILLING FLUID & COMPLETION FLUID, 2015, 32(1): 30-33. doi: 10.3969/j.issn.1001-5620.2015.01.008
Citation: SHI Peiqian, WANG Qing, ZHANG Hongwei, WANG Shanju, LI Baohui. Development and Evaluation of a Dual Adsorption Base Lubricant SR-1[J]. DRILLING FLUID & COMPLETION FLUID, 2015, 32(1): 30-33. doi: 10.3969/j.issn.1001-5620.2015.01.008
shu

Development and Evaluation of a Dual Adsorption Base Lubricant SR-1

doi: 10.3969/j.issn.1001-5620.2015.01.008

  • Department of Oilfield Chemistry, Research Institute of Drilling Engineering of Zhongyuan Oilfield, No.462 Zhongyuan Dong Road, Longhua District, Puyang, Henan 457001, china

  • Received Date: 2014-12-28
  • Publish Date: 2015-01-30
    Abstract
  • A lubricant, SR-1, was developed by introducing dual adsorption base hydrophilic group into the molecule of a high molecular weight fatty acid, which would strengthen the adsorption of SR-1 onto the friction interface, and weaken the influences of other additives on the lubricity of SR-1. Laboratory study showed that SR-1 is resistant to salt contamination and high temperature (220℃). Polymer sulfonate mud treated with SR-1 reduced the extreme pressure coefficient of friction to less than 0.06, (percent decrease by 80.24%). SR-1 should be used at pH of not less than 12, otherwise the efficiency of SR-1 will decrease. SR-1 has good compatibility with other mud additives, and reduces filter loss to some extent. It can be used in deep well, directional well and horizontal well for the requirement of low friction.

     

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