Source check
Each formula needs a credible textbook, society, glossary, technical article, or source-linked reference before it should be promoted as reviewed.
Formula review methodology
PetroCalcHub tracks source references, unit checks, default-result checks, and review status for petroleum engineering formulas. Only calculators that have both a working implementation and separately written engineering guidance are published on the site.
Unit check
Field-unit constants and declared input/output units are checked against the cited formula and the calculator implementation.
Default-result check
Default values must produce finite results through the shared calculation engine before a formula is considered ready.
Publication checks
Calculation record reviewed
The formula definition, declared symbols and units, default result, and available source trail have passed the record-level checks used by the calculator library.
In-depth guidance published
The calculator also has separately written usage context, assumptions, limitations, common error checks, a reproducible example, and citation notes specific to that relationship.
Public release gate
A record is added to public search and navigation only after the implementation, source trail, engineering interpretation, limitations, and worked result pass the publication checks.
Editorial responsibility and evidence
What review metadata means
Review labels record checks performed on the current PetroCalcHub implementation. They are an audit trail, not a claim that a calculator is certified, approved for a specific operation, or a substitute for a licensed professional.
How evidence is prioritized
Original papers, standards, textbooks, universities, professional societies, and authoritative technical glossaries are preferred. Secondary summaries may support discovery but should not override a primary equation or its stated limits.
Formula records are also checked by the shared parser and calculation engine for valid symbols, declared inputs and outputs, finite default results, and expected unit metadata. Automated checks catch structural errors but cannot establish field applicability; the cited source and engineering context still control.
How pages are produced
PetroCalcHub separates calculation data from explanatory publishing. Formula definitions are stored as structured records, parsed by a shared calculation engine, checked for declared symbols and units, and executed with reproducible defaults. Public articles are then written around the engineering question, source scope, worked arithmetic, method selection, assumptions, and failure checks specific to that workflow.
Drafting and code automation may assist with organization, calculation checks, and consistency. Automation does not replace the cited source or establish field applicability. Before publication, numerical examples are compared with the live calculator engine, source links are checked, and the page must pass the site's content-quality and equation-validation scripts.
Articles use the PetroCalcHub Editorial Team byline to identify the publisher responsible for the page. Corrections are recorded through the public corrections channel, and material changes are reflected in the article update date.
Corrections and improvements
If a formula, unit conversion, default example, or source citation looks wrong, report it with the equation name, source reference, expected correction, and any supporting calculation.
Submit a correction