# Fractures at Patterson-UTI Drilling Company LLC
> OSHA SIR `20181111906` · 11/19/2018 · WHITSETT, TEXAS
## Severity
- **1 hospitalization**
- **Body part:** Chest, except internal location of diseases or disorders
- **Nature of injury:** Fractures
## Cause
- **Event:** Struck by swinging or slipping object, other than handheld, n.e.c.
- **Source:** Oil drilling rigs and machinery
## Employer
- **Name:** Patterson-UTI Drilling Company LLC
- **Location:** Rig 229, WHITSETT, TEXAS, 78075
- **NAICS:** 213111
- **Jurisdiction:** 1
## Narrative

An employee was rigging down an oil rig mast. While the pin was being removed from the derrick board brace, the derrick board swung and hit the employee in the rib area. The employee suffered contusion and fracture injuries in the rib and chest area.

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*Source: [OSHA Severe Injury Reports](https://www.osha.gov/severe-injury-reports) · MORVS · CC0 1.0*