西南石油大学学报(自然科学版) ›› 2009, Vol. 31 ›› Issue (6): 123-125.DOI: 10.3863/j.issn.1674-

• 油气化学工程与化工 • 上一篇    下一篇

油酸钠泡沫循环利用研究

万里平 孟英峰 李永杰   

  1. 西南石油大学石油工程学院,四川 成都 610500
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2009-12-20 发布日期:2009-12-20

STUDY ON RECIRCULATING UTILIZATION OF SODIUM OLEATE FOAM

WAN Li-ping MENG Ying-feng LI Yong-jie   

  1. School of Petroleum Engineering,Southwest Petroleum University,Chengdu Sichuan 610500,China)JOURNAL OF SOUTHWEST PETROLEUM UNIVERSITY(SCIENCE & TECHNOLOGY EDITION),VOL.31,NO.6,123-125,2009(ISSN 1674-5086,in Chinese
  • Received:1900-01-01 Revised:1900-01-01 Online:2009-12-20 Published:2009-12-20

摘要:

利用油酸钠表面活性对酸碱度的敏感性,探讨油酸钠泡沫的可循环性,研究稳泡剂种类、含量、pH值和油酸钠质量分数对油酸钠泡沫性能的影响。结果表明:随稳泡剂含量的增加,油酸钠泡沫的发泡能力逐渐降低,泡沫的半衰期逐渐延长,确定的最佳稳泡剂配方为0.2%XC+0.2%FA367;在油酸钠含量相同情况下,随pH值的升高,油酸钠的发泡能力逐渐增强,在pH为10左右达到最大,再增加pH值,发泡能力稍有降低;在8<pH<10时,随油酸钠加量的增加,其发泡能力逐渐增大,当油酸钠加量超过0.7%后,发泡能力增幅很小。通过调节pH值,可实现油酸钠泡沫发泡—消泡—再发泡的循环目的,循环10次仍保持良好的发泡能力

关键词: 油酸钠, 泡沫, 循环利用, 欠平衡钻井

Abstract: Recirculating ability of sodium oleate foam is discussed and the influence of different foam stabilizers,pH value and concentration of sodium oleate on foam performance is evaluated by utilizing its surfactivity sensitivity to acid and alkali environment.The results show that the foaming ability decreases gradually and half life prolongs gradually with the increasing concentration of foam stabilizer,and the optimum formula of mixing foam stabilizer is 0.2%XC+0.2% FA367.Foaming ability is enhanced gently with pH value rising under the same concentration condition of sodium oleate and reaches the maximum at pH =10,then decreases gently.Foaming ability is enhanced gradually with sodium oleate concentration adding at 8<pH<10,and foaming ability increcement decreases when sodium oleate concentration exceeds 0.7%,foaming ability loses at pH<6.The aim of generatation of sodium oleate foam can be realized by adjusting pH value,and maintenanceing good foaming ability after recirculating 10 times.

Key words: sodium oleate, foam, recirculating utilization, underbalanced drilling

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