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Treatment Technology for Waste Drilling Fluids in Environmental Sensitivity Areas

机译：环境敏感地区废钻井液处理技术

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摘要

Environmental sensitivity areas need more investment to treat and process environmental pollution from waste drilling fluids than non-sensitivity areas because the former was closer to rivers, villages, farmlands, etc., which not only increased the burden of enterprises, but also constrained the sustainable development for oilfields. In order to overcome the challenge of treating waste drilling fluids in environmental sensitivity areas, harmless treatment technology and formulas for waste drilling fluids were developed and determined in this study. The basic formula was: 10.0% SD-4 + 2.5% SD-5 + 9.0% SD-6 + 7.0% SD-7. This technology broke through the traditional curing processing technology and it was successfully applied to two oil wells in Wenmi environmental sensitivity areas. The results showed that the main pollutants were below the requirements of related state environmental protection standard limits and had some porosity and soil-like characteristics. Therefore, the aim of harmless treatment and restoring drilling of waste drilling fluids was realized and the ecological environment of environmental sensitivity areas was well protected.
机译：与非敏感地区相比，环境敏感地区需要更多的投资来处理和处理废钻井液造成的环境污染，因为前者更靠近河流，村庄，农田等，这不仅增加了企业的负担，而且限制了可持续性。油田开发。为了克服在环境敏感地区处理废钻井液的挑战，本研究开发并确定了无害处理技术和废钻井液配方。基本公式为：10.0％SD-4 + 2.5％SD-5 + 9.0％SD-6 + 7.0％SD-7。该技术突破了传统的固化工艺技术，成功应用于温密环境敏感地区的两口油井。结果表明，主要污染物均低于国家有关环境保护标准限值的要求，并具有一定的孔隙度和类似土壤的特征。因此，实现了无害化处理和恢复钻井液的目的，良好地保护了环境敏感区的生态环境。

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  • 来源
    《Energy sources》 |2015年第8期|817-824|共8页
  • 作者

    Xie S. X.; Jiang G. C.; Chen M.; Li Z. Y.; Mao H.; Zhang M.; Li Y. -Y.;

  • 作者单位

    CNPC Res Inst Safety & Environm Technol, Beijing, Peoples R China;

    CNPC Res Inst Safety & Environm Technol, Beijing, Peoples R China|China Univ Petr, State Key Lab Petr Resources & Prospecting, Beijing, Peoples R China;

    China Univ Petr, State Key Lab Petr Resources & Prospecting, Beijing, Peoples R China;

    China Univ Petr, State Key Lab Petr Resources & Prospecting, Beijing, Peoples R China;

    CNPC Res Inst Safety & Environm Technol, Beijing, Peoples R China;

    Sinopec Shengli Oilfield Geol Sci Res Inst, Dongying, Shandong, Peoples R China;

    CNPC Res Inst Safety & Environm Technol, Beijing, Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    application; environmental sensitivity areas; harmless treatment; mechanism; waste drilling fluids;

    机译：应用;环境敏感区域;无害处理;机制;废钻井液;

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