Study on a Novel Water-Soluble Hydrophobically Associating Polymer as an Enhanced Heavy Oil Recovery Agent | Zendy

Dongyu Qiao | Zendy; Zhongbin Ye | Zendy; Xindong Wang | Zendy; Yiping Zheng | Zendy; Lei Tang | Zendy; Nanjun Lai | Zendy

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Study on a Novel Water-Soluble Hydrophobically Associating Polymer as an Enhanced Heavy Oil Recovery Agent

Author(s) -

Dongyu Qiao,

Zhongbin Ye,

Xindong Wang,

Yiping Zheng,

Lei Tang,

Nanjun Lai

Publication year - 2021

Publication title -

geofluids

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.44

H-Index - 56

eISSN - 1468-8123

pISSN - 1468-8115

DOI - 10.1155/2021/2036562

Subject(s) - polyacrylamide , acrylamide , emulsion , copolymer , polymer , enhanced oil recovery , chemistry , hydrolysis , acrylic acid , chemical engineering , amine gas treating , aqueous solution , polymer chemistry , organic chemistry , engineering

In this study, emulsion-free radical reaction was applied to synthesize a novel sulfomethylating hydrophobically associating copolymer (HPDS) by using acrylamide, acrylic acid, NaHSO3, HCHO, and a laboratory-made N,N-divinylnonadeca-1,10-dien-2-amine to enhance heavy-oil recovery. The structure and properties of HPDS were characterized by a range of experiments, which showed that HPDS had better stability and enhanced heavy-oil recovery capacity than hydrolyzed polyacrylamide (HPAM). One-dimensional flooding experiments illustrated that HPDS performed better in establishing resistance factor (RF) and residual RF (RRF), and approximately 19.8% oil recovery could be enhanced by injecting 1500 mg/L of HPDS solution compared with that of HPAM at only 14.1%. HPDS has a promising application prospect in enhancing heavy-oil recovery.

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