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Novomet Stat. ESP Reliability Analysis and Forecasting
Main goals of calculation
- Identify duration of run-lives
- Identify weak points of equipment
- Identify major operating factors which cause failures
Improvement of equipment
Increase duration of run-life
Data used
- Operating time, days (run-life, days)
- Status: still in operation or pulled out
- Reasons of failures
- Pulled out equipment condition – teardown results, results of ESP system components inspection
Basic steps of analysis
- Calculating of ESP systems run-lives
- Specification of all reasons shortening run-life
- Calculation of appearance probability of each factor causing failures, determination of major problems
- Calculating of reliability of ESP systems components
- Development of recommendations concerning improvement of equipment and increase level of operating times
Run-lives level basic evaluations
Higher level of survival function correspond to more reliable equipment.
ESP structural analysis
- General reliability: all types of failures are considered.
- Operational reliability: operation-related pulls are considered: pulls due to scaling, plugging, etc.
- Design reliability: equipment-related pulls are considered – wear, defects, etc.
Novomet Stat-Pro allows calculation of probability of each factor causing to failure
Low level of curve means that this type of failures is the main problem, which shortens run-lives
More details
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