A New High Temperature Polymer Fracturing Fluid

2018 International Conference of Green Buildings and Environmental Management

土木建筑工程;生态环境科学

Bo, Cai^1 ; Yun, Xu^1 ; Xin, Wang^1 ; Chunming, He^1 ; Yuebin, Gao^1 ; Guifu, Duan^1 ; Wei, Jiang^1 ; Xuemei, Yan^1 ; Zhihe, Xu^1

Petro China Research Institute of Petroleum Exploration and Development, Beijing city

100083, China^1

关键词: 2-acrylamido-2-methylpropanesulfonic acid;    Fracture damage;    Gas productions;    High temperature;    Shear stability;    Shearing performance;    Synthetic polymers;    Viscosity recovery;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/186/4/012028/pdf
DOI  :  10.1088/1755-1315/186/4/012028

来源: IOP

【 摘 要 】

In this study, According to the requirement of high temperature low permeability reservoir hydraulic fracturing fluid. A novel non-residual fracturing fluid was developed through analyzing the structure of polymer 2-acrylamido-2-methylpropanesulfonic acid(AMPS). Experiment results demonstrate that synthetic polymer fracturing fluid possess good shear stability and viscosity recovery propriety. The shear viscosity of fracturing fluid for 120min is 120mPa.s in 170 °C, it has good resistance to high temperature and shearing performance. The residue of polymer fracturing fluid was 1.2%. Matrix and propped fracture damage test indicate that the damage to core matrix(only 15.4%) and propped fracture of synthetic polymer fracturing fluid is far less than guar gum fracturing fluid which is fit for the stimulation of high-temperature low permeability reservoir. The new fluid was tested in 120 wells in the gas and oil reservoir in China. Oil &gas production after stimulation using the new fluid increased 3to 5 times compared with wells in similar locations.