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Bridging performance of new eco-friendly lost circulation materials
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Alireza NASIRI,Ahmadreza GHAFFARKHAH,Zahra Azimi DIJVEJIN,Masood MOSTOFI,Mostafa Keshavarz MORAVEJI
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Table 4 Permeability and flow rate of bentonite and RIA-X muds for slots under 6.89 MPa (1 000 psi) pressure difference.
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RIA-X mud
flow rate/(m3·h-1) | Bentonite mud
flow rate/(m3·h-1) | Fracture
permeability/μm2 | Fracture
width/cm | | 2.8 | 2.2 | 2 522.9 | 0.1 | | 44.6 | 34.7 | 20 183.1 | 0.2 | | 226.0 | 175.8 | 68 118.2 | 0.3 | | 714.4 | 555.6 | 161 465.5 | 0.4 | | 1 744.1 | 1 356.6 | 315 362.3 | 0.5 |
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