In a deviated well, a channel on the low side is rarely a slurry problem. It is a displacement problem you could have predicted at the desk — and prevented at the rig.
The four levers
- Centralization: standoff distribution along the interval, not at a few survey stations.
- Density hierarchy: each fluid heavier than the one it displaces — mud, spacer, slurry.
- Rheology hierarchy: spacer designed to scrub mud, slurry designed to displace spacer cleanly.
- Pump rate: turbulent or effective-laminar flow in the annulus across the critical section.
Simulate before you pump
A coupled hydraulics simulation with the well's real trajectory and eccentricity is the cheapest insurance against remedial cementing. That is what the cementing software is built for.