Incident date: 2019-01-20
NAICS industry code: 324110

An employee was attaching a pipe wrench to a saver sub in order to torque it to a power swivel. Once the pipe was attached, the power swivel unexpectedly began turning, causing the wrench to spin around and push the employee into the handrails on the rig floor. The employee suffered four broken ribs and internal bleeding.

Hazard classification:
code_event: title: Caught in or compressed by equipment or objects, unspecified
code_source: title: Oil drilling rigs and machinery
code_nature: title: Internal injuries to organs and blood vessels of the trunk
code_body: title: Chest, except internal location of diseases or disorders
severity: moderate