CN109825263B - 一种水基钻井液用纳米封堵剂及其制备方法与钻井液 - Google Patents
一种水基钻井液用纳米封堵剂及其制备方法与钻井液 Download PDFInfo
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钻井液 | 7.5min | 30min |
B1 | 侵入约14mL,侵入深度1.1cm | 侵入约20mL,侵入深度1.6cm |
B2 | 侵入约10mL,侵入深度0.8cm | 侵入约12mL,侵入深度0.9cm |
B3 | 侵入约11mL,侵入深度0.9cm | 侵入约16mL,侵入深度1.3cm |
D1 | 侵入约60mL,侵入深度4.2cm | 侵入约100mL,侵入深度6cm |
D2 | 全部漏失 | —— |
D3 | 全部漏失 | —— |
D4 | 侵入约25mL,侵入深度2.0cm | 侵入约32mL,侵入深度2.7cm |
D5 | 侵入约20mL,侵入深度1.6cm | 侵入约26mL,侵入深度2.0cm |
D6 | 侵入约18mL,侵入深度1.3cm | 侵入约23mL,侵入深度1.8cm |
D7 | 侵入约14mL,侵入深度1.1cm | 侵入约18mL,侵入深度1.4cm |
D8 | 侵入约20mL,侵入深度1.5cm | 侵入约27mL,侵入深度2.5cm |
D9 | 侵入约16mL,侵入深度1.2cm | 侵入约21mL,侵入深度1.6cm |
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CN110607168B (zh) * | 2019-09-28 | 2021-11-02 | 重庆威能钻井助剂有限公司 | 一种钻井液用降滤失剂及其制备方法 |
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CN111909668B (zh) * | 2020-08-12 | 2022-07-29 | 中国石油大学(华东) | 超高温水基钻井液用改性硫酸钡加重剂及其制备方法以及超高温水基钻井液 |
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CN113355061B (zh) * | 2021-06-22 | 2022-06-14 | 西南石油大学 | 一种外柔内刚型油基钻井液纳米封堵剂及油基钻井液 |
CN113355063B (zh) * | 2021-06-22 | 2022-05-24 | 西南石油大学 | 一种弹性石墨强吸附耐盐型封堵剂及油基钻井液 |
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