发明名称 |
High temperature and high pressure fluid loss additives and methods of use thereof |
摘要 |
Disclosed are high temperature and high pressure fluid loss additives comprising: a) a humic substance, and b) a tetrapolymer prepared from polymerizing: i) acrylamide (AM), ii) 2-acrylamido-2-methylpropane sulfonic acid (AMPS), iii) l-allyloxy-2-hydroxypropyl sulfonate, and iv) acrylic acid. The use of such high temperature and high pressure fluid loss additives in water-based drilling fluids in oil-field drilling operations is also disclosed. |
申请公布号 |
AU2015256181(A1) |
申请公布日期 |
2016.12.01 |
申请号 |
AU20150256181 |
申请日期 |
2015.05.05 |
申请人 |
Hercules LLC |
发明人 |
Alexandre, Marc A.;Lifton, Gregory Victor;Melbouci, Mohand;Wang, Janice Jianzhao |
分类号 |
C04B24/16;C09K8/52;C09K8/68;E21B43/22 |
主分类号 |
C04B24/16 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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