# Crushing injuries at Unit Drilling Company
> OSHA SIR `2018021600` · 2/15/2018 · HAMMON, OKLAHOMA
## Severity
- **1 hospitalization**
- **Body part:** Finger(s), fingernail(s), n.e.c.
- **Nature of injury:** Crushing injuries
## Cause
- **Event:** Injured by slipping or swinging object held by injured worker
- **Source:** Sledges, sledgehammers
## Employer
- **Name:** Unit Drilling Company
- **Location:** Campbell 3-12H, HAMMON, OKLAHOMA, 73650
- **NAICS:** 211111
- **Jurisdiction:** 1
## Narrative

An employee was changing liners in the mud pump and got his right index finger smashed between the liner and sledge hammer.

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