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Stimulus-responsive mechanism of salt-responsive polymer and its application in saturated saltwater drilling fluid
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HE Yinbo,JIANG Guancheng,DONG Tengfei,YANG Lili,LI Xiaoqing
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Table 2 Ф6 and Ф3 readings of NaCl saturated bentonite base mud with different polymers with hot-rolling time.
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| Hot-rolling time/d | Ф6/Ф3 | | AM90-AMPS10 | AM90-AMPS5-TAC5 | AM90-AMPS6-TAC4 | AM90-AMPS7-TAC3 | AM90-AMPS8-TAC2 | AM90-AMPS9-TAC1 | | 0 | 5/4 | 4/3 | 4/3 | 4/3 | 5/4 | 5/4 | | 1 | 2/1 | 4/3 | 6/5 | 9/8 | 7/5 | 5/4 | | 3 | 1/0 | 4/3 | 9/8 | 10/9 | 9/8 | 6/5 | | 5 | 1/0 | 5/3 | 10/9 | 12/10 | 10/10 | 7/5 | | 7 | 0/0 | 5/4 | 11/9 | 13/11 | 11/10 | 7/6 |
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