# Fractures at Wyoming Casing Service, Inc.
> OSHA SIR `2017043523` · 4/18/2017 · KEENE, NORTH DAKOTA
## Severity
- **1 hospitalization**
- **Body part:** Ankle(s)
- **Nature of injury:** Fractures
## Cause
- **Event:** Fall to lower level, unspecified
- **Source:** Oil drilling rigs and machinery
- **Secondary source:** Clamps, couplings
## Employer
- **Name:** Wyoming Casing Service, Inc.
- **Location:** Approximately one mile south of Highway 73, KEENE, NORTH DAKOTA, 58847
- **NAICS:** 213112
- **Jurisdiction:** 1
## Narrative

An employee was adjusting a rathole ring clamp. The ring clamp slipped off the rathole and the employee lost his balance and fell into the cellar resulting in a broken ankle.

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