# Bruises, contusions at Key Energy Services, LLC
> OSHA SIR `2023010438` · 1/14/2023 · WILLISTON, NORTH DAKOTA
## Severity
- **1 hospitalization**
- **Body part:** Head, unspecified
- **Nature of injury:** Bruises, contusions
## Cause
- **Event:** Injured by slipping or swinging object held by injured worker
- **Source:** Wrenches-nonpowered
## Employer
- **Name:** Key Energy Services, LLC
- **Location:** 5077 141st Avenue NW, WILLISTON, NORTH DAKOTA, 58801
- **NAICS:** 211111
- **Jurisdiction:** 1
## Narrative

On January 14, 2023, an employee was using a pipe wrench to free up a tube during a back-off procedure. The pipe wrench swung and struck the employee in the head, causing a contusion.

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