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Failure Mode and Failure Cause Analysis

“Why does well equipment fail?” “What type of failures can you expect?” ‘’ What type of failures and failure modes dominate and have significant impact on the reliability?’’ WellMaster’s structured approach on the failure categorization with the failure modes and failure cause categories gets you these answers with only a few clicks.

In WellMaster all failures are categorized with how the failure is observed (failure mode) and why it occurred (failure cause category). These data points are then available as analysis filters, which has proven extremely valuable in numerous use cases, such as:

Failure rate for the TRSCSSV with all failures versus Safety Critical failures only (Fail To Close FTC, Leakage in Closed Position LCP, Well to Control Line communication WCL), and Failure modes distributions
  • Review of the types of failures various vendors and/or (valve) models experience, crossed with assets, well types and operational conditions.
  • Extract relevant failure rates for use in quantitative risk assessments (QRA), i.e. calculate failures rates based on the safety critical failures only.
  • Calculate failure rates based on expected operational conditions, i.e. if you don’t expect scale in your oil production wells, then exclude that failure cause category from the analyses.
Failure rate for the TRSCSSV including Scale/debris related failures versus failure rate when excluding the Scale/debris related failures, and Failure modes distributions

Quality Assured & Standardized

All data in WellMaster, including the failure modes and causes, are quality assured by ExproSoft. This ensures that correct failure classification used and that the failure rates are representative of the real operational history. Further, Failure Modes are pre-defined specifically for each component individually and are in accordance with the ISO 14224 standard for the equipment covered in this standard.

Read more about ISO 14224 compliance here.