印尼KSO Benacat区块低密度微泡沫钻井液技术

苏乐, 郭磊, 刘兆华

苏乐, 郭磊, 刘兆华. 印尼KSO Benacat区块低密度微泡沫钻井液技术[J]. 石油钻探技术, 2016, 44(1): 18-22. DOI: 10.11911/syztjs.201601004
引用本文: 苏乐, 郭磊, 刘兆华. 印尼KSO Benacat区块低密度微泡沫钻井液技术[J]. 石油钻探技术, 2016, 44(1): 18-22. DOI: 10.11911/syztjs.201601004
SU Le, GUO Lei, LIU Zhaohua. Low-Density Micro-Foam Drilling Fluid Technology Deployed in Benacat Block, Indonesia[J]. Petroleum Drilling Techniques, 2016, 44(1): 18-22. DOI: 10.11911/syztjs.201601004
Citation: SU Le, GUO Lei, LIU Zhaohua. Low-Density Micro-Foam Drilling Fluid Technology Deployed in Benacat Block, Indonesia[J]. Petroleum Drilling Techniques, 2016, 44(1): 18-22. DOI: 10.11911/syztjs.201601004

印尼KSO Benacat区块低密度微泡沫钻井液技术

详细信息
    作者简介:

    苏乐(1984-),江苏宿迁人,2006毕业于大庆石油学院应用化学专业,中级化验师,从事钻井液和完井液技术研究。E-mailsule-0716@163.com。

  • 中图分类号: 254+.6

Low-Density Micro-Foam Drilling Fluid Technology Deployed in Benacat Block, Indonesia

  • 摘要: 印尼KSO Benacat区块属于低压低渗地层,前期采用常规钻井液钻进发生多次井漏,并引起卡钻,造成很大的经济损失。为解决现场存在的此类问题,使该区块后续钻井施工能顺利进行,以表面活性剂JM为发泡剂,生物聚合物PF-XC为稳泡剂,配制了低密度微泡沫钻井液。由室内试验可知,微泡沫钻井液的稳泡时间可达96 h,岩屑滚动回收率可达94.0%,渗透率恢复率可达92.4%。2口井的现场试验表明,该钻井液可以有效减少井下故障、显著提高机械钻速,还有利于保护储层,可大大降低由钻井液侵入对油气层的损害。研究表明,研制的低密度微泡沫钻井液能够满足印尼KSO Benacat区块的现场钻井要求,并对同类地层的安全快速钻进具有借鉴意义。
    Abstract: The KSO Benacat Block of Indonesia can be classified as a low-pressure low permeability formation with incidents involving lost circulation that have happened frequently during drilling with conventional drilling fluid, which has led to pipe sticking and significant economic losses.To solve such problems and ensure proper implementation of the drilling program, the surfactant, JM, as foaming agent and PF-XC as a foam stabilizer have been deployed to make formulate micro-foam drilling fluids.In addition, lab tests and field tests have been conducted to determine performances of the fluid.Lab tests showed that the newly developed drilling fluids have a foam stabilizing time of 96 h, roll recovery and permeability recovery rate were 94.0% and 92.4% respectively.Field test results indicated that the micro-foam drilling fluids could effectively reduce the downhole problems, significantly improve drilling rates, protect the reservoir and minimize damage in oil and gas reservoirs.It can be concluded that the micro-foam drilling fluids could meet the requirements of drilling operations in KSO Benacat Block, Indonesia, and could provide technical references for drilling operations in similar formations safely and quickly.
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出版历程
  • 收稿日期:  2015-08-06
  • 修回日期:  2015-12-24
  • 刊出日期:  1899-12-31

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