Reference
What this tool does
Field sheet for 1029.4, 0.052, 5.615, 0.1399, 0.6572, and 8.33, with the exact value and where each number comes from. This page says what the tool is for, in plain language. The working formula stays on the signed-in tool.
When to use it
Open Oilfield Constants when this is the job: Field sheet for 1029.4, 0.052, 5.615, 0.1399, 0.6572, and 8.33, with the exact value and where each number comes from. That is usually a factor you would otherwise copy from memory.
Step-by-step
- Open Oilfield Constants from the tool list.
- Read the screen from top to bottom. There is no numeric entry to type.
- Run Calculate when that control is on the page, then read every result row and any warning.
- Check the result against the site procedure and the manufacturer data before you change a range, a wire, a setpoint, or a weight.
- This help page is public. Opening the tool still requires a Pro session.
Inputs
This tool does not ask for a numeric entry. Read the screen itself.
Results
- Reference rows
- Oilfield Constants lists the reference values this screen is built to show. Read the note on each row before you copy a number onto a job.
Common mistakes
- Copying a field factor without reading where it comes from.
- Using a rounded sheet value where the job asks for the more exact value shown beside it.
- Do not treat a result from Oilfield Constants as a substitute for the site procedure or the manufacturer data.
Standards references
These are the standards and public references named on this tool. Clause numbers appear only when the catalog already cites them.
- Petroleum barrel: 42 US gallons, 231 in³ per gallon, 1728 in³ per cubic foot
- Pipe capacity field factor 1029.4, exact divisor 3234/π
- API RP 59 hydrostatic factor 0.052 psi/(ppg·ft). Exact column weight 12/231
- API gravity water basis 8.33 ppg so that 8.33 × 0.052 = 0.433 psi/ft
Offline and access
This engine can run offline after the server has cached it for the signed-in account.
A free session can read this help page. The tool card shows the name and the short summary. Opening the tool requires Pro.