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- W2988304043 abstract "It is difficult for existing filtrate reducer to meet oilfield application requirements. Based on the molecular structure design principle of temperature-resistant vinyl copolymer, a quaternary copolymer filtrate reducer has been developed with VCAP, AMPS, DMDAAC and AM as monomers through water solution copolymerization using redox initiation system. The optimum synthesis conditions were as follows: the mole ratio of monomer was VCAP/AMPS/DMDAAC/AM=1:1:1:9, reaction temperature was 70°C, reaction time was 6 h, initiator mass ratio was 0.2% and total monomer mass ratio was 20%. The filtration loss of base slurry with 1wt% optimum synthetic product after aging at 150 °C for 16 h was 5.2 mL." @default.
- W2988304043 created "2019-11-22" @default.
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- W2988304043 date "2019-11-09" @default.
- W2988304043 modified "2023-10-16" @default.
- W2988304043 title "Preparation of VCAP/AMPS/DMDAAC/AM Quaternary Copolymer Filtrate Reducer for Drilling Fluids" @default.
- W2988304043 cites W2005673052 @default.
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- W2988304043 doi "https://doi.org/10.1088/1755-1315/330/4/042016" @default.
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