Incident date: 2015-01-08
NAICS industry code: 213112

Employee was working from the derrick monkey board latching and unlatching tubing. As he was unlatching the elevator that has horns and a locking mechanism, the employee's harness got caught on the horns. The horns pulled the harness and pulled him down causing small fractures in his knees that required surgery.

Hazard classification:
code_event: title: Struck against stationary object or equipment, n.e.c.
code_source: title: Derricks and related equipment
code_nature: title: Fractures
code_body: title: Knee(s)
severity: moderate