How The Leak-Sealing Agent Works

FC-NIF Non-Permeable Plugging Agent features a scientifically optimized composite formula of functional fibers and rigid particles, delivering a targeted, high-efficiency leak-sealing mechanism for oil and gas drilling operations. Unlike conventional plugging materials, this innovative drilling fluid additive achieves reliable formation sealing while keeping mud performance stable for continuous drilling progress.

Carried by water-based drilling mud, the free-flowing plugging powder smoothly passes through drill bit nozzles and solid control equipment including shale shakers without blocking or affecting normal drilling work. Once reaching micro-fractures and permeable leaky formations, its matched rigid particle and fiber components rapidly form a sturdy bridging structure at pore throats and fracture gaps, realizing fast physical plugging and stopping mud loss in real time.

A core advantage of the FC-NIF plugging agent is its excellent compatibility with drilling fluid systems. It barely impacts the mud's rheological properties and static filtration performance, effectively maintaining stable mud quality throughout plugging operations. It also optimizes mud cake compactness and thickness, greatly reducing dynamic circulating fluid loss and improving overall wellbore stability.

The integrated fiber-rigid composite structure delivers dual sealing effects. Rigid particles provide durable structural support for plugged gaps to resist formation pressure impact, while flexible fiber components fill tiny voids and micro-cracks. This adaptive fitting effect compensates for subtle formation changes and operational vibration interference, forming a dense, non-permeable sealing layer for long-term anti-leakage protection.

Thanks to its superior pumpability and adaptability, the additive supports simultaneous drilling and loss control. It eliminates the need for suspending construction for separate plugging treatment, greatly improving drilling efficiency, making it ideal for onshore and offshore drilling of micro-fractured and high-permeability formations.