• Published: 27 Mar 2014
  • Incident ID: 3505

Gas release from a hand operated choke 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

Choke valve

Lessons Identified

The valves in question were all Master flow choke valves of various sizes. The common thread with all these valves is the design of the lugged cap containing the sealing arrangement.

Incident Recommendations

  • Identify valves of a similar design on the platform and check for similar problems
  • Create a simple learning sheet and share with other platforms.
  • Send valve for an investigation into its failure mode.

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