Non-Permeable Plugging Agent
FC-NIF Non-Permeable Plugging Agent is composite material blended with fiber and rigid particles, developed as efficient drilling fluid lost circulation material for oil & gas drilling operations.
FC-NIF delivers reliable filling, bridging and sealing capacity to mitigate formation leakage. It imposes minor influence on drilling fluid static filtration and rheology, maintaining stable mud properties during drilling.
This plugging powder can smoothly pass through bit nozzles and shale shakers, enabling simultaneous drilling and loss control. It helps build superior mud cake and cut down circulating fluid loss.
Key Advantages
- Composite fiber & rigid structure, outstanding bridging & plugging performance
- Little disturbance to drilling fluid rheology and API filtration
- Pumpable through drill bit; compatible with normal solids control equipment
- Improves filter cake quality and reduces dynamic fluid loss
Technical Specifications
|
Item |
Specification |
|
Appearance |
Free-flowing solid powder |
|
Moisture |
≤8% |
|
Residue on 0.15mm sieve |
≤10% |
|
Sand bed invasion depth |
≤8cm |
Applications
Suitable as lost circulation additive in water-based drilling mud for sealing micro-fractured and permeable formations during onshore & offshore well drilling.
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