Natural Asphalt (Natural Bitumen) Meco-T200 is a fluid loss control agent product used in conventional oil-based or synthetic-based drilling fluid systems, and Natural Asphalt's (Natural Bitumen) temperature resistance can reach up to 200°C. It can be squeezed into the micro-fractures of the formation to form plugs, and use the plugging mechanism to stabilize shale and prevent collapse.
Meco-T200 has a viscosity increasing effect due to partial dissolution at low temperature. When used in the field, it is necessary to observe the sieve residue at the vibrating screen in the first few cycles to avoid product waste.
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Product name |
Natural Asphalt (Natural Bitumen) |
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Product features |
Appearance black powder |
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softening point |
230°C±5°C |
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oil solubility |
≥80% |
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Features |
Effectively reduce oil-based mud filtration loss Strengthen the well wall and have good anti-collapse effect Suitable for strengthening the wall of the broken zone and slowing down the scour of sandstone interlayers it participates in the formation of strong plugging mud cake |
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fluorescence level |
<4 |
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Application |
shale gas horizontal wells and high temperature deep wells |
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Recommended dosage |
2-5% (mass fraction) |
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Packing |
25kg±0.25kg/bag Three-layer composite kraft paper bag |
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