
oil well drilling fluid additives
- Delivery Time:
- 5 Days
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Contact NowPlace of Origin: | Hebei, China (Mainland) |
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definition | Uniaxial pressure sealant for drilling fluid is a kind of compound yellowish-brown powder which is made by a variety of specially processed natrual fibers, filler particles and aditives according to appropriate ratio. | ||||||
Index of main properties | item | index | |||||
| appearance | Yellowish-brown powder | |||||
| Density g/cm3 | 1.40 ~ 1.60 | |||||
| Sieve rediue % (screen aperature 0.28mm) |
≤10.0 | |||||
| Moisture % | ≤8.0 | |||||
| Ignition residue % | ≤7.0 | |||||
| Water soluble matter % | ≤5 | |||||
| Filtration after sealing (30min.)ml |
≤35.0 | |||||
| PH value | 7 ~ 8 | |||||
| Density variation g/cm3 | ≤+0.02 | |||||
| Remark:ignition residue is only for plant fibers) |
36 ~ 45% | |||||
Drilling fluid property index | item | density | apparent viscosity | Plastic viscosity | filtration | Filtration after sealing | PH value |
| Base slurry | 1.01~1.03 | 7~8 | 5~6 | 18`21 | 100% filtration | 9~11 |
| Base slurry+ specimen 4% | 1.02~1.05 | 8~12 | 4~7 | ≤10 | ≤40ml(30min.) |
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effection | Uniaxial pressure sealant for drilling fluid has good effection on plugging the leakage of stratum under the action of uniaxial pressure. Convenient use, good compatibility and no affection on slurry performance. | ||||||
Recommended dosage | 4% |



