Development and Drag Reduction Behaviors of a Water-in-Water Emulsion Polymer Drag Reducer
Source abstract
Abstract
As a key component of slickwater fracturing fluids, drag reducers play a critical role. Water-in-water (W/W) emulsion polymer drag reducers with the characteristics of rapid dissolution and the ability to increase viscosity are attracting substantial attention. In this work, a W/W emulsion polymer drag reducer P(AM-DMC) was synthesized via dispersion polymerization. The material P(AM-DMC) was characterized using Fourier transform infrared spectrometry, hydrogen nuclear magnetic resonance spectrometry, and environmental scanning electron microscopy. The results showed that the aqueous P(AM-DMC) solution was a pseudoplastic fluid with appreciable viscosity enhancement and shear resistance. The dissolution time of 0.1 wt % P(AM-DMC) was only 29 s. The drag-reduction rate of P(AM-DMC) reached 71.75%. The drag reducer also exhibited good temperature and salt resistance. Finally, a drag-reduction mechanism was proposed. We hope that this study can broaden the application of W/W drag reducers in shale reservoir development.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Rheology and Fluid Dynamics Studies · Hydraulic Fracturing and Reservoir Analysis · Drilling and Well Engineering
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Shandong Key Laboratory of Oilfield Chemistry, China University of Petroleum (East China), Qingdao 266580, P. R. China
Key Laboratory of Unconventional Oil & Gas Development, Ministry of Education, China University of Petroleum (East China), Qingdao 266580, P. R. China
PipeChina Eastern Storage and Transportation Company, Xuzhou 221000, P. R. China
Funding
Taishan Scholar Project of Shandong Province · National Natural Science Foundation of China
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