Incident date: 2016-12-06
NAICS industry code: 213111

An employee was unscrewing lock pins from a wellhead to remove a tubing hanger when an L-80 joint of tubing and hanger was ejected from the frac valve due to the pressure-to-weight differential. The tubing and hanger struck the employee's back, fracturing the L1 vertebra.

Hazard classification:
code_event: title: Struck by dislodged flying object, particle
code_source: title: Parts and materials, n.e.c.
code_nature: title: Fractures
code_body: title: Lumbar region
severity: moderate