Sandstone diversion acidization technology of viscoelastic surfactant micelle fluid

doi:10.7623/syxb200606024

Editorial office of ACTA PETROLEI SINICA ›› 2006, Vol. 27 ›› Issue (6): 93-95,99.DOI: 10.7623/syxb200606024

• Oil Field Development • Previous Articles Next Articles

Sandstone diversion acidization technology of viscoelastic surfactant micelle fluid

Zheng Yunchuan¹, Zhao Liqiang², Liu Pingli², Du Zhimin²

1. Downhole Services Company of Sichuan Petroleum Administration, Chengdu 610051, China;
2. State Key Laboratory of Oil-Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 610500, China

Received:2005-12-30 Revised:2006-02-27 Online:2006-11-25 Published:2010-05-21

粘弹性表面活性剂胶束酸在砂岩储层分流酸化中的应用

郑云川¹, 赵立强², 刘平礼², 杜志敏²

1. 四川石油管理局井下作业公司四川成都 610051;
2. 西南石油大学油气藏地质及开发工程国家重点实验室四川成都 610500

作者简介:郑云川,男,1978年3月生,2006年获西南石油大学油气田开发专业博士学位,现在四川石油管理局井下作业公司从事油气藏增产技术研究工作.E-mail:yunchuanzheng@163.com
基金资助:
国家自然科学基金项目(No.50474039)资助

Abstract

Abstract: Viscoelastic surfactants(VES)technology has been widely utilized in fracturing and acid treatment of carbonate reservoir and acid treatment of sandstone.A new viscoelastic surfactant(sinapic amido propyl betaine,SAP-BET)was synthesized.The SAP-BET belongs to amphoteric viscoelastic surfactant with a long water-repellent carbon chain,so the formulation fluid of SAP-BET has favorable viscoelastic behavior.The SAP-BET could be used to develop self-diverting VES acid and non-polymer fracturing fluid.The sandstone diversion acidization technology of VES micelle fluid was developed according to the viscous skin coefficient.This technology is suitable for diversion acidization of high temperature heterogeneous multiple-layer sandstone reservoir.

Key words: viscoelastic surfactant, sinapic amido propyl betaine, viscoelastic surfactant micelle fluid, diversion, sandstone, acidization

摘要： 粘弹性表面活性剂(VES)技术已在碳酸盐岩油气藏压裂、酸化中得到成功的应用,同样VES技术可应用于砂岩酸化。实验合成出新型粘弹性表面活性剂-芥子酰胺丙基甜菜碱(SAP-BET),由于SAP-BET为具有很长疏水碳链的两性粘弹性表面活性剂,所以用其配制的胶束流体具有良好的粘弹性行为,可用其配制具有自主分流、控滤失等特性的酸液或清洁压裂液。根据粘性表皮系数,建立了砂岩VES胶束流体分流酸化技术。该酸化工艺适合高温非均质多层砂岩油藏分流酸化。

关键词: 粘弹性表面活性剂, 芥子酰胺丙基甜菜碱, VES胶束流体, 分流, 砂岩, 酸化

CLC Number:

TE357.2

Zheng Yunchuan, Zhao Liqiang, Liu Pingli, Du Zhimin. Sandstone diversion acidization technology of viscoelastic surfactant micelle fluid[J]. Editorial office of ACTA PETROLEI SINICA, 2006, 27(6): 93-95,99.

郑云川, 赵立强, 刘平礼, 杜志敏. 粘弹性表面活性剂胶束酸在砂岩储层分流酸化中的应用[J]. 石油学报, 2006, 27(6): 93-95,99.

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Sandstone diversion acidization technology of viscoelastic surfactant micelle fluid

粘弹性表面活性剂胶束酸在砂岩储层分流酸化中的应用

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