What to include
Equation or calculator name.
The input values and units used.
The current result and expected result.
The source, standard, textbook, or hand calculation used.
Any assumptions needed to reproduce the correction.
Report a correction
Send corrections for petroleum engineering formulas, calculator outputs, units, default examples, references, or review status. Include enough detail to reproduce and verify the issue.
Where to send it
Email the correction details to:
corrections@petrocalchub.comReview policy
Corrections are checked against the formula source, unit system, calculator implementation, and default-result validation before a record is marked reviewed.
Read the methodology