Clay stabilizer for fracture acidizing and preparation method thereof
The invention belongs to the technical field of tertiary oil recovery, and particularly relates to a clay stabilizer for fracture acidizing and a preparation method thereof. The preparation method comprises the following steps: adding N-acryloyl (trihydroxymethyl) aminomethane and sulfamic acid into...
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Format | Patent |
Language | Chinese English |
Published |
08.03.2024
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Abstract | The invention belongs to the technical field of tertiary oil recovery, and particularly relates to a clay stabilizer for fracture acidizing and a preparation method thereof. The preparation method comprises the following steps: adding N-acryloyl (trihydroxymethyl) aminomethane and sulfamic acid into a four-neck flask, heating and naturally cooling; 3-[N, N-dimethyl-[2-(2-methylpropyl-2-enoyloxy) ethyl] ammonium] propane-1-sulfonic acid inner salt, N-allyl-N, N-bis (trimethylsilyl) amine, TX-10, MS-1 and buffer salt are added into the reaction kettle; dropwise adding an initiator aqueous solution, automatically heating the system for reaction, continuously heating, keeping the temperature for reaction to obtain a viscous clay stabilizer solution, drying and granulating to obtain the product clay stabilizer. The clay stabilizer is wide in raw material source and simple in preparation process; meanwhile, the anti-swelling agent has the advantages of high anti-swelling rate, washing resistance and low mudstone lo |
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AbstractList | The invention belongs to the technical field of tertiary oil recovery, and particularly relates to a clay stabilizer for fracture acidizing and a preparation method thereof. The preparation method comprises the following steps: adding N-acryloyl (trihydroxymethyl) aminomethane and sulfamic acid into a four-neck flask, heating and naturally cooling; 3-[N, N-dimethyl-[2-(2-methylpropyl-2-enoyloxy) ethyl] ammonium] propane-1-sulfonic acid inner salt, N-allyl-N, N-bis (trimethylsilyl) amine, TX-10, MS-1 and buffer salt are added into the reaction kettle; dropwise adding an initiator aqueous solution, automatically heating the system for reaction, continuously heating, keeping the temperature for reaction to obtain a viscous clay stabilizer solution, drying and granulating to obtain the product clay stabilizer. The clay stabilizer is wide in raw material source and simple in preparation process; meanwhile, the anti-swelling agent has the advantages of high anti-swelling rate, washing resistance and low mudstone lo |
Author | XU ZHUANGJU DU YONG |
Author_xml | – fullname: DU YONG – fullname: XU ZHUANGJU |
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DocumentTitleAlternate | 一种压裂酸化用粘土稳定剂及其制备方法 |
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Notes | Application Number: CN202311639968 |
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RelatedCompanies | BINZHOU GUANGYOU PETROLEUM TECHNOLOGY CO., LTD |
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Snippet | The invention belongs to the technical field of tertiary oil recovery, and particularly relates to a clay stabilizer for fracture acidizing and a preparation... |
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Title | Clay stabilizer for fracture acidizing and preparation method thereof |
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