Experimental Study on Frictional Resistance Characteristics of CO2-Emulsified Viscoelastic Surfactant Fracturing Fluid

Ze Feng Jing; Shu Zhong Wang; Xiang Rong Luo; Zhi Guo Wang

doi:10.4028/www.scientific.net/AMM.577.35

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 577Experimental Study on Frictional Resistance...

Experimental Study on Frictional Resistance Characteristics of CO₂-Emulsified Viscoelastic Surfactant Fracturing Fluid

Abstract:

Rheological properties and friction resistance properties of CO₂-emulsified viscoelastic surfactant fracturing fluid were investigated on the large-scale test loop of foam fracturing fluid. When the velocity is below 2.8 m·s^-¹, the friction pressure drop gradient gradually decreases with the increase of foam quality, however, when the velocity is above 2.8 m·s^-1, the friction pressure drop gradient of VES-CO₂ with higher foam quality is higher than lower foam quality. In addition, frictional pressure drop gradient of the pure CO₂ is higher than the VES-CO₂ fracturing fluid system when the velocity is more than 1.6 m·s^-1. And frictional resistance coefficient decreases with the increase of foam quality and increases slightly with the increase of temperature. Experimental correlation between frictional resistance coefficient and Reynolds number is obtained and has high precision.

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Periodical:

Applied Mechanics and Materials (Volume 577)

Pages:

35-38

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.577.35

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Online since:

July 2014

Authors:

Ze Feng Jing*, Shu Zhong Wang, Xiang Rong Luo, Zhi Guo Wang

Keywords:

CO₂Foam Fracturing Fluids, Frictional Resistance Coefficient, Power-Law Fluid

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