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油井水泥触变剂的筛选评价

Selection and Evaluation of Four Thixotropic Agents of Oil Well Cement

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【作者】 胡志杰; 杜华平; 陈大钧; 冯昕鹏; 余晓玲;

【Author】 Hu Zhijie1 Du Huaping2 Chen Dajun1 Feng Xinpeng1 Yu Xiaoling1 (1.Southwest Petroleum University,Chengdu 610500; 2.Downhole Engineering Department,Southwest Petroleum Bureau,Deyang 618000)

【机构】 西南石油大学化学化工学院; 中石化西南局井下工程处; 西南石油大学化学化工学院 成都610500; 德阳618000; 成都610500;

【摘要】 运用静切力法对几种触变剂进行筛选优化,考察了4种触变剂(石膏、硫酸铝、钙膨润土、海泡石)对水泥浆体系触变性和流变性的影响,并分别在常温常压不养护条件下和常压、75℃下养护20min条件下进行评价,筛选出一种具有明显触变能力的触变剂。结果表明,硫酸铝触变能力较强,且在75℃下的触变能力比25℃下更强。

【Abstract】 Four kinds of thixotropic agents (gypsum,aluminum sulfate,calcium bentonite,sepiolite) were evaluated in experiments for their basic properties and their effects on oil well cement slurry at 25 ℃,0.1 MPa or 75 ℃,0.1 MPa for 20 min respectively. The results showed that aluminum sulfate was the strongest thixotropic agent in four agents and its thixotropic effect at 75 ℃ was stronger than that at 25 ℃.

  • 【文献出处】 精细石油化工进展 ,Advances in Fine Petrochemicals , 编辑部邮箱 ,2007年06期
  • 【分类号】TE256
  • 【被引频次】10
  • 【下载频次】313
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