DR-06Foundational
Real-Time Torque, Drag & Hydraulics
Compares what the string should weigh and how hard the pumps should work against what is actually measured, and flags the gap.
Drilling IntelligenceDomainAI
DR-08IntermediateWave 2AI
Cement Job Quality Prediction
In one sentence
Predicts whether the cement behind the casing will isolate properly, from the job data, before the evaluation log is run.
The problem
A poor primary cement job is usually discovered weeks later through a bond log or, worse, through sustained casing pressure years later. Remedial squeezes cost far more than getting the first job right.
The job data — pump rate, density, returns, displacement efficiency, centraliser placement — contains most of the signal, and is normally archived without analysis.
How it works
A gradient-boosted classifier is trained on historical jobs labelled by their cement bond and variable density log interpretation, using job execution data, hole geometry from caliper, centralisation standoff and mud removal indicators. Predictions come with the top contributing factors so the engineer can act on them.
Where a job is predicted poor, the system proposes the specific change — rate, spacer volume, standoff — rather than only flagging risk.
Data required
- Cementing job records: rates, pressures, densities, volumes, returns
- Caliper log for annular volume and standoff calculation
- Centraliser placement and casing tally
- Historical CBL/VDL interpretations for training labels
What you get
- Predicted isolation quality by interval with contributing factors
- Pre-job recommendation on rate, spacer and standoff
- Field-level trend of job quality by rig, crew and service provider
What it cannot do
The training labels come from bond-log interpretation, which is itself subjective and varies between interpreters and between tool vendors. The model inherits that noise. It is reliable at separating clearly good from clearly bad jobs and is not trustworthy in the middle band, which we report explicitly rather than forcing a binary call.
Every capability page states a real limitation. If a vendor cannot tell you where their product stops, you are not being told the truth about where it starts.
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