UC-110
Casing Wear and Cement Bond Integrity
Reads cement bond logs, caliper and wear data to model casing corrosion rate, cement sheath stress and remaining tubular life.
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The Challenge
Corrosion and degradation cause 35-45% of well integrity incidents, and each failure costs $200K-$2M to repair. Inspection is calendar-based and sampled manually, so wear is judged by whoever last read the log.
How It Works
- Ingests cement bond logs, caliper and corrosion data, fluid chemistry and metallurgy specs.
- Models casing wear, cement sheath stress and corrosion rate to score remaining tubular life.
- Integrity engineers get a risk-ranked string list and remedial cementing recommendations.
What It Removes
- Manual, inconsistent reading of cement bond logs
- Calendar-based inspection of healthy casing strings
- Tubular failures discovered only after they occur
Input Data RequirementsCement bond logs, corrosion coupon and ultrasonic thickness data, fluid chemistry, metallurgy specifications, historical failure records
Output FormatRemaining-life score per tubular, casing wear forecast, cement bond quality assessment, remedial cementing recommendations, risk-ranked well list
“I can see which strings are actually wearing instead of testing every well on the same schedule.”