Avoiding Top Out on Surface Casing
An operator was having issues with cement fall back on surface casing using their traditional cement supplier. These wells required top out jobs to remediate. On wells without cement returns to surface, the state was requiring bond logs to be run.
ALTCem developed a surface slurry with thixotropic properties that could be pumped at a density as low as 11.5 lb/gal. The slurry had sufficient pump time despite its rapid gel strength development. ALTCem built hesitations into the displacement schedule to ensure the cement didn’t fallback.
Once the operator switched to ALTCem, they were able to reduce excess pumped, and completely eliminated the need to top out. This reduced the cost of the primary job, and eliminated the costs associated with topping out, including additional materials, pumping, and rig time.