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Inventor:

刘明华 (刘明华.) [1] | 陈珍喜 (陈珍喜.) [2] | 刘敏威 (刘敏威.) [3] | 吴宜锴 (吴宜锴.) [4] | 刘志鹏 (刘志鹏.) [5]

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incoPat

Abstract:

本发明公开了一种复合型木质素基钻井液用降粘剂及其制备方法,其制备步骤包括:(1)磺化反应得木质素磺酸盐;(2)铁锰盐的制备;(3)铁锰木质素磺酸盐的制备:得到的复合型木质素基钻井液用降粘剂的水不溶物≤0.5,硫酸钙含量≤1.0,铁含量:3%~5%,络合度≥75%,相对分子量Mn:5000~20000。该方法生产成本低,所制备的降粘剂既能发挥无机降粘剂良好的降粘效果,又有木质素系降粘剂良好的抗温、抗盐效果,具有较好的协同作用。制备工艺简单,无二次污染。

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Patent Info :

Type: 发明授权

Patent No.: CN201210390673.3

Filing Date: 2012/10/16

Publication Date: 2014/7/9

Pub. No.: CN102888212B

公开国别: CN

Applicants: 福州大学

Legal Status: 授权

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

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