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新型抗高温油基钻井液降滤失剂的研制与性能

王茂功 陈帅 李彦琴 孙金声 徐显广

王茂功, 陈帅, 李彦琴, 孙金声, 徐显广. 新型抗高温油基钻井液降滤失剂的研制与性能[J]. 钻井液与完井液, 2016, 33(1): 1-5. doi: 10.3969/j.issn.1001-5620.2016.01.001
引用本文: 王茂功, 陈帅, 李彦琴, 孙金声, 徐显广. 新型抗高温油基钻井液降滤失剂的研制与性能[J]. 钻井液与完井液, 2016, 33(1): 1-5. doi: 10.3969/j.issn.1001-5620.2016.01.001
WANG Maogong, CHEN Shuai, LI Yanqin, SUN Jinsheng, XU Xianguang. Development and Evaluation of a New High Temperature Filter Loss Reducer Used in Oil Base Drilling Fluid[J]. DRILLING FLUID & COMPLETION FLUID, 2016, 33(1): 1-5. doi: 10.3969/j.issn.1001-5620.2016.01.001
Citation: WANG Maogong, CHEN Shuai, LI Yanqin, SUN Jinsheng, XU Xianguang. Development and Evaluation of a New High Temperature Filter Loss Reducer Used in Oil Base Drilling Fluid[J]. DRILLING FLUID & COMPLETION FLUID, 2016, 33(1): 1-5. doi: 10.3969/j.issn.1001-5620.2016.01.001

新型抗高温油基钻井液降滤失剂的研制与性能

doi: 10.3969/j.issn.1001-5620.2016.01.001
基金项目: 国家863项目"海上大位移井钻井液关键技术研究"(2012AA091502)和国家重大专项课题"复杂地质条件下深井钻井液与高温高压固井技术研究项目"(2011ZX05021-004)资助
详细信息
    作者简介:

    王茂功,高级工程师,博士,1977年生,毕业于天津大学工业催化专业,主要从事处理剂研发和钻井液技术研究。电话18911011311;E-mail:wangmg_dri@cnpc.com.cn。

  • 中图分类号: TE254.4

Development and Evaluation of a New High Temperature Filter Loss Reducer Used in Oil Base Drilling Fluid

  • 摘要: 通过二乙烯三胺对腐植酸进行酰亚胺化交联反应,再利用十八烷基三甲基氯化铵对其进行亲油改性,制备了抗温达220℃的油基降滤失剂DR-FLCA。借助红外光谱、扫描电镜和热重分析,表征了降滤失剂DR-FLCA的分子结构、微观形貌和热稳定性,并通过实验评价了降滤失剂DR-FLCA对抗高温高密度油基钻井液流变性、电稳定性和高温高压滤失性能的影响。结果表明:降滤失剂DR-FLCA分子结构上有具有乳化功能的酰亚胺基、酚羟基和醇羟基等基团以及亲油长链铵,该降滤失剂微观结构为质地疏松的纤薄层片状聚集体颗粒,热分解温度为248℃。加有降滤失剂DR-FLCA的密度为2.4 g/cm3的油基钻井液在220℃老化16 h后高温高压滤失量仅为8.6 mL,破乳电压高达1154 V,塑性黏度为69 mPa·s,动切力为7 Pa,证明该降滤失剂在抗高温高密度油基钻井液中具有良好的降滤失性能、辅助乳化性能和降黏作用,高温高压降滤失性能(200℃)略优于贝克休斯和哈里伯顿降滤失剂产品(高温高压滤失量分别为5.4、8.2、6.5 mL),泥饼更薄、更坚韧,且对比体系老化后电稳定性均有不同程度的降低。

     

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  • 收稿日期:  2015-10-21
  • 刊出日期:  2016-01-30

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