Cementing Stuck Types Causes & Consequences
Stuck Pipe In Cement Blocks Cuttings

The Drill String becomes jammed in the hole by cement blocks cuttings falling around the Drill String.

Cement Blocks Cuttings Stuck

This mechanism normally occurs when :

Hard cement becomes unstable around the casing shoe, open hole squeeze plugs and Sidetrack plugs.

Preventative Action

- Allow sufficient curing time for cement before attempting to Sidetrack or drill out (check also: sidetrack Drilling).
https://www.drillingmanual.com/stuck-pipe-green-cement-blocks/