Incident date: 2018-03-17
NAICS industry code: 237120

The injured employee was extracting the drill string from the well bore (tripping out of the hole) and was struck by the drilling slips when the drilling string rotated resulting in a broken left leg.

Hazard classification:
code_event: title: Struck by swinging or slipping object, other than handheld, n.e.c.
code_source: title: Oil drilling rigs and machinery
code_nature: title: Fractures
code_body: title: Leg(s), unspecified
severity: moderate