• Published: 27 Mar 2014
  • Incident ID: 3500

Minor emission detected on Shutdown valve

Cause & Consequence

  • Uncontrolled release of a flammable gas or liquid
Incident Consequence
Hydrocarbon release

Incident Location

Fixed Installation

Incident Activity

Production operations

Specific Incident Equipment

Gas Compression (GC); Gas Lift Compression (GL) shutdown valve

Lessons Identified

Wear & tear of the o-rings is the direct cause of this failure. There was a similar failure of these o-rings 2 years previously. The manufacturer of this valve doesn't exist anymore and the current spares are supplied by a different company

Incident Recommendations

  • Determine if the stem seals specified for this valve are suitable for its current service.
  • Determine if the stem seals for this valve require a preventative maintenance task such as greasing to extend the life of the o-rings and maintain an effective HC containment.

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