# Bruises, contusions at Cholla Petroleum, Inc.
> OSHA SIR `2020054470` · 5/13/2020 · MARYNEAL, TEXAS
## Severity
- **1 hospitalization**
- **Body part:** Head, unspecified
- **Nature of injury:** Bruises, contusions
## Cause
- **Event:** Other fall to lower level less than 6 feet
- **Source:** Caps, lids, covers, n.e.c.
- **Secondary source:** Concrete blocks, cinder blocks
## Employer
- **Name:** Cholla Petroleum, Inc.
- **Location:** Devon #3, MARYNEAL, TEXAS, 79535
- **NAICS:** 213112
- **Jurisdiction:** 1
## Narrative

An employee was tightening a nut on a polished rod's 2-bolt clamp on a horse head while standing on a well head cap 2 feet off ground when the employee slipped and fell back, hitting a concrete block. The employee suffered a head contusion.

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