# Intracranial injuries, unspecified at Patterson-UTI Drilling Company LLC
> OSHA SIR `2021108549` · 10/4/2021 · MIDLAND, TEXAS
## Severity
- **1 hospitalization**
- **Body part:** Brain
- **Nature of injury:** Intracranial injuries, unspecified
## Cause
- **Event:** Struck by dislodged flying object, particle
- **Source:** Machine and appliance parts, n.e.c.
- **Secondary source:** Oil drilling rigs and machinery
## Employer
- **Name:** Patterson-UTI Drilling Company LLC
- **Location:** Rig 274 GPS: N31.7857 W-102.1613, MIDLAND, TEXAS, 79706
- **NAICS:** 213111
- **Jurisdiction:** 1
## Narrative

An employee was cleaning a mud pump. A retaining cap dislodged from the pump and struck the side of his head, causing a laceration and a head injury.

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