Precomputed synthetic browser edition
See the cost of time
Compare drilling duration, fuel use and estimated carbon under stated assumptions.
Choose a calculated example, inspect its assumptions and download the evidence. The full authenticated application is maintained in a private repository.
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Result ledger
Method and limits
Interval divided by penetration rate, with nonproductive time applied to total duration.
Illustrative planning arithmetic; no well-control or safety decisions.
Cases are computed from the original engine. Runtime timestamps and timings are omitted for reproducible publication. All examples are fictional.