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Author:

王树众 (王树众.) (Scholars:王树众) | 罗向荣 (罗向荣.) | 景泽锋 (景泽锋.)

Indexed by:

incoPat

Abstract:

本发明属于油田化学压裂液领域,具体涉及一种用于页岩气藏压裂改造的改良CO2干法压裂液及其制备和评价方法。用于页岩气藏压裂改造的改良CO2干法压裂液,以质量百分数计,其原料包括:1.5%‑3%的表面活性剂类增粘剂,其余为CO2;表面活性剂类增粘剂带有一个头基和两个双尾基,头基是金属离子Co2+或Ni2+构成的亲水基团,尾基是氟化的亲CO2基团。采用本发明改良CO2干法压裂液进行压裂,不耗费水资源,对储层伤害小,对环境无污染,施工结束后CO2变成气态从储层快速排出,相比于现有常规压裂工艺,对页岩气藏增产效果明显。

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Patent Info :

Type: 发明公布

Patent No.: CN201811487991.5

Filing Date: 2018-12-06

Publication Date: 2019-04-09

Pub. No.: CN109594963A

Applicants: 西安交通大学

Legal Status: 在审

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 7

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