Volume 35 Issue 2
Mar.  2018
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ZHANG Wei, XIAO Weiwei, GENG Hailong, XU Tongtai, ZHOU Yu, ZHANG Ruifang. Study on Compatibility of Completion Fluid Additives with Formate Water Solutions[J]. DRILLING FLUID & COMPLETION FLUID, 2018, 35(2): 56-61. doi: 10.3969/j.issn.1001-5620.2018.02.009
Citation: ZHANG Wei, XIAO Weiwei, GENG Hailong, XU Tongtai, ZHOU Yu, ZHANG Ruifang. Study on Compatibility of Completion Fluid Additives with Formate Water Solutions[J]. DRILLING FLUID & COMPLETION FLUID, 2018, 35(2): 56-61. doi: 10.3969/j.issn.1001-5620.2018.02.009
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Study on Compatibility of Completion Fluid Additives with Formate Water Solutions

doi: 10.3969/j.issn.1001-5620.2018.02.009

  • 1. Research Institute of Oil and Gas Engineering, PetroChina Tarim Oilfield Division, Korla, Xinjiang 841000;

  • 2. Beijing Shidahuyang Petroleum Scien-Tech Development Company Ltd., Beijing 102200

  • Received Date: 2017-11-12
  • Publish Date: 2018-03-30
    Abstract
  • Formate completion fluid is mainly used in Tarim Basin to drill high temperature deep wells with bottom hole temperature to 180℃. Successful drilling of these high temperature deep wells imposes rigorous requirements on the properties of completion fluid, such as thermal stability, viscosity, filtration rate, plugging capacity, settling stability and permeability recovery etc. Selection of appropriate formate completion fluid additives is essential for the completion fluid to have properties satisfying the needs aforementioned. This paper discusses the pattern of compatibility between completion fluid additives and formate water solution, providing a basis on which formate completion fluid additives can be screened and used. The composition of a high temperature high density clay-free formate completion fluid that can be used at 180℃ is also presented in this paper.

     

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