Petroleum Coning Critical Rate Gas Calculator
Extract actual already completed GasConing phase criterion/rate crossings, no unverified analytical critical-rate correlation, test procedure or safe production-rate claim. Caller independently verifies units, applicability and matching conditions; no operational recipe, safety certification, causal efficacy or legal/resource classification is inferred.
Description
Observed gas-coning response can be compared with a supplied unwanted-phase criterion across completed rate trials.
Observed gas-coning response can be compared with a supplied unwanted-phase criterion across completed rate trials.1
This tool finds criterion-rate crossings in those records rather than assigning a safe or predictive critical production rate.
When to use Petroleum Coning Critical Rate Gas Calculator
Use this tool when you need to locate all observed criterion crossings on a matched measurement branch. Prepare completed matched measurements, SI or explicitly stated oilfield units, and independent evidence for the selected branch or calibration.
How to use Petroleum Coning Critical Rate Gas Calculator and understand its results
- Prepare completed matched measurements, SI or explicitly stated oilfield units, and independent evidence for the selected branch or calibration.
- Enter observedAlreadyTestedGasConingRatesM3Day, observedGasConingUnwantedPhaseFractions, callerGasConingPhaseCriterionFraction, following the field table and calculation rules below, then run the tool.
- Read observedConingCriterionRateCrossingsM3Day. For result objects, inspect the nested output fields below, including any missing evidence or selected indices.
- Correct any input issues and run again. Before using a successful result, review its units, signs, evidence coverage, and stated model or reference assumptions.
| Input field | Meaning | Value type | Requirement |
|---|---|---|---|
| observedAlreadyTestedGasConingRatesM3Day | Observed already tested gas coning rates m3 day; volume rate in cubic metres per day. | list of number | Required |
| observedGasConingUnwantedPhaseFractions | Observed gas coning unwanted phase fractions | list of number | Required |
| callerGasConingPhaseCriterionFraction | Caller gas coning phase criterion fraction | number | Required |
Require nonnegative strictly increasing already-tested rates in m³/day, aligned unwanted-phase fractions in [0,1], and a criterion in [0,1]. Apply the all-crossings helper and return every recorded or interpolated crossing. The criterion and phase observations come from independently completed assessments.
Require at least two nonempty aligned finite coordinate/response samples with coordinates strictly increasing. Record every exact sample hit and interpolate adjacent strict sign changes around the criterion; preserve coordinate order and remove adjacent duplicate crossings. No crossing returns an empty list, and an exact-level plateau retains its sampled coordinates. Responses need not be monotone unless the particular tool additionally requires it. No unique preferred crossing is selected.
crossing=x_i+(x_(i+1)−x_i)×(criterion−y_i)/(y_(i+1)−y_i) for strict sign changes Read these symbols with the field meanings and branch or reference rules above.
| Output field | Meaning | Value type |
|---|---|---|
| observedConingCriterionRateCrossingsM3Day | Observed coning criterion rate crossings m3 day; volume rate in cubic metres per day. | list of number |
{
"input": {
"observedAlreadyTestedGasConingRatesM3Day": [
1,
2,
3
],
"observedGasConingUnwantedPhaseFractions": [
0,
0.2,
0.4
],
"callerGasConingPhaseCriterionFraction": 0.3
},
"output": {
"observedConingCriterionRateCrossingsM3Day": [
2.5
]
}
}Limitations and assumptions
The criterion, phase or indicator identity, and observation regime are independently established inputs. A recorded crossing does not prescribe a test, establish an operating limit, or identify a unique physical transition beyond this measured branch.
Missing required fields, unknown fields, wrong types, and violated calculation rules return input issues. Numeric values must be finite; nonfinite numeric outputs are rejected. Arrays must be dense, with no missing cells. Numeric lists allow at most 10000 entries, subject to smaller tool-specific bounds above.
Alternative or Complementary methods
For a related task, use Petroleum Coning Critical Rate Water Calculator: Observed water-coning response can be compared with a supplied unwanted-phase criterion across completed rate trials. This tool finds criterion-rate crossings in those records rather than assigning a safe or predictive critical production rate. For a complementary step, use Petroleum Water Breakthrough Time Calculator: A breakthrough-volume criterion can be compared with a measured cumulative flood-injection history. This tool locates all observed volume-criterion times rather than assuming a constant injection rate or a shock saturation.
References
Similar or alternative tools
- Petroleum Coning Critical Rate Water Calculator
Observed water-coning response can be compared with a supplied unwanted-phase criterion across completed rate trials. This tool finds criterion-rate crossings in those records rather than assigning a safe or predictive critical production rate.
- Petroleum Water Breakthrough Time Calculator
A breakthrough-volume criterion can be compared with a measured cumulative flood-injection history. This tool locates all observed volume-criterion times rather than assuming a constant injection rate or a shock saturation.