Preparation of a functional fracturing fluid with temperature- and salt-resistance, and low damage using a double crosslinking network

Fracturing fluids (FFs) have been widely used to stimulate the tight reservoir. However, current FFs will not only lose their rheological property at high temperatures and high salt but also show an incomplete gel-breaking property. Herein, a double crosslinking network FF with pretty superiorities...

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Bibliographic Details
Published in:Petroleum science 2023-10, Vol.20 (5), p.3223-3230
Main Authors: Zhang, Yang, Chen, An, Mao, Jin-Cheng, Qin, Song-Hai, Li, Jin, Yang, Xiao-Jiang, Lin, Chong, Huang, Zhi-Yu, Liu, Ya-Fei
Format: Article
Language:English
Subjects:
Fracturing fluid
Low damage
Particle size
Static adsorption
Temperature- and salt-resistance
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Summary:Fracturing fluids (FFs) have been widely used to stimulate the tight reservoir. However, current FFs will not only lose their rheological property at high temperatures and high salt but also show an incomplete gel-breaking property. Herein, a double crosslinking network FF with pretty superiorities in rheology and low damage to the core was constructed by introducing both physical crosslinking and chemical crosslinking into the system. The construction of double crosslinking networks enhanced the rheology of this functional FF. The particle sizes of gel-breaking fluids are mainly distributed in 1.0–10,000 nm; furthermore, for every 10,000 mg/L increase in salinity, the particle size of the gel-breaking fluid is decreased by almost half. The adsorption capacity (
ISSN:1995-8226
1995-8226
DOI:10.1016/j.petsci.2023.04.005