China Petroleum & Chemical Corporation

Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation

Sinopec (beijing) Research Institute of Chemical Industry Co., Ltd.

Zhuo Yi

Ruiqi Zhang

Jie Yang

Xiaochun Wang

Fangyuan Zhao

Yajing Li

Xi Liu

Jinbiao Yang

Zhao Fang

Xiaona Hu

Lunyu Zhu

The present disclosure relates to the field of oilfield plugging agents, and in particular to a plugging agent for oil extraction in an oilfield and a preparation method therefor and an application thereof.

Plugging agent for oil extraction in oilfield and a preparation method therefor and application thereof

The present disclosure relates to the technical field of oilfield chemicals, and discloses an acrylamide copolymer, wherein the acrylamide copolymer comprises a structural unit A, a structural unit B and a structural unit C, wherein the structural unit A has a structure shown in Formula (1), the structural unit B has a structure shown in Formula (2), and the structural unit C has a structure shown in Formula (3) and/or Formula (4); wherein Ris methyl or H, Ris &#x2014;OH, &#x2014;NH, &#x2014;COOH or C-Calkyl, n is an integer between 0 and 6, and a, b and c are each independently selected from integers between 0 and 2.

Acrylamide copolymer and preparation method therefor and use thereof

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Beijing, China

Zhuo Yi