Patent
High temperature-resistant polymer filtrate reducer for drilling fluid and preparation method thereof
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The article was published on 2013-10-16. It has received 21 citations till now. The article focuses on the topics: Drilling fluid & Reducer.read more
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Patent
Water-based fracturing fluid thickening agent and preparation method thereof
Gao Jun,Liu Ximing,Jinhai Wu,Shang Zhenping,Lin Yu,Li Hongmei,Jing Liu,Wan Ying,Li Wenbo,Zhao Yanling +9 more
TL;DR: In this article, a water-based fracturing fluid thickening agent and a preparation method thereof are presented. But the preparation method comprises the following steps: firstly, adding acrylamide, sodium 2-acrylamides-2-methyl-1-proparesulfonate and 4-acloyl morpholine into deionized water, wherein the total mass concentration of the three substances is controlled at 23%-35%; secondly, regulating the pH of the solution to 6-12 by virtue of alkali or acid; finally, adding a polymerization initiator
Patent
Preparation method and application of polyoxyethylene-based polymer filtrate reducer
Quan Hongping,Ming Xiansen,Huang Zhiyu,Zhang Tailiang,Lu Hongsheng,Dai Shanshan,Duan Wenmeng +6 more
Patent
Thickener and preparation method and application thereof
Wu Jiang,Tianshou Zhu,Mu Lijun,Zhao Zhenfeng,Li Xianwen,Lu Hongjun,Zhang Kuangsheng,Xue Xiaojia,Li Jianshan,Lyu Haiyan,Li Kai,Liu Jin,Fan Huabo,Fan Fengling +13 more
TL;DR: In this paper, the authors provide a thickener and a preparation method and application of the thickener, which includes the following steps that 1, 25-35 parts by weight of hydrophilic propenyl monomers are dissolved in 65-75 parts by the weight of water, then the pH value is regulated, and a solution with the pH of 6.5-7.5 is obtained.
Patent
Polymer filtrate reducer and preparation method thereof
TL;DR: In this article, a polymer filtrate reducer and a preparation method of the reducer is described. And the preparation method specifically comprises the following steps of: firstly, neutralizing an acid monomer with sodium hydroxide, then adding nonionic monomer acrylamide and N-vinylcaprolactam, controlling the pH valve of the polymerization system at 6.0-11.0, taking an oxidation-reduction initiator system as an initiator, performing aqueous solution polymerization in the existence of a molecular weight regulator
Patent
High-temperature salt-resistant fluid loss agent and production method thereof
Lifu Zou,Dewen Dong,Yun Luo +2 more
TL;DR: In this article, a high-temperature salt-resistant fluid loss agent (CG910L) was proposed to improve the construction performance of the cement slurry and reduce the shrinkage mass of the stratum.
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Cement-formation filtration control agent
TL;DR: In this article, an oil-field cement-formation filtration control agent with high temperature resistance and high salt resistance, which comprises the following components by weight percent: 1 to 80% of component A, 1 to 60 percent of component B and 1 to 30 percent of components C and 1.20% of components D, was presented.