A New High Temperature Polymer Fracturing Fluid

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 s...

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Bibliographic Details
Published in:IOP conference series. Earth and environmental science 2018-10, Vol.186 (4), p.12028
Main Authors: Bo, Cai, Yun, Xu, Xin, Wang, Chunming, He, Yuebin, Gao, Guifu, Duan, Wei, Jiang, Xuemei, Yan, Zhihe, Xu
Format: Article
Language:English
Subjects:
Damage
Gas production
Guar gum
Heat resistance
High temperature
Hydraulic fracturing
Oil and gas production
Oil reservoirs
Permeability
Polymers
Reservoirs
Shear viscosity
Shearing
Stimulation
Temperature requirements
Viscosity
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Summary: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.
ISSN:1755-1307
1755-1315
1755-1315
DOI:10.1088/1755-1315/186/4/012028