• Published: 28 Jun 2011
  • Incident ID: 3356

Unsecured Guard Results in MTO

Cause & Consequence

  • Contact with something fixed or stationary
Incident Consequence

Incident Location

Drilling unit

Incident Activity

Drilling, workover

Incident Info Source

International Association of Drilling Contractors

Specific Incident Equipment

Pony Rod Cover

Lessons Identified

  • A shortcut was taken by attempting to remove the cover with the pump still running. The pump should have been shut down, isolated, tested and then the cover safely removed.
  • The Step Back 5 x 5 was not followed.
  • It was suggested that all liner/pony rod covers be hinged along fluid end to permit them to be securely opened when safe access is needed.

Incident Recommendations

  • Instructed rig personnel to never put your hands close to moving parts or equipment, the IP was not aware of potential pinch points.
  • Instructed rig personnel to never remove covers from moving parts while machinery is still in motion.
  • Rig personnel were instructed to review and and understand company Energy Isolation standard.
  • All personel were instructed to avoid taking short cuts there is always time to do the task safely.

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