# Internal injuries to organs and blood vessels of the trunk at Black Hills Trucking
> OSHA SIR `2017065357` · 6/12/2017 · WILLISTON, NORTH DAKOTA
## Severity
- **1 hospitalization**
- **Body part:** Abdomen, except internal location of diseases or disorders
- **Nature of injury:** Internal injuries to organs and blood vessels of the trunk
## Cause
- **Event:** Explosion of pressure vessel, piping, or tire
- **Source:** Pumps
## Employer
- **Name:** Black Hills Trucking
- **Location:** 1008 58TH STREET, WILLISTON, NORTH DAKOTA, 58801
- **NAICS:** 484121
- **Jurisdiction:** 1
## Narrative

An employee was welding on a mud pump when an explosion occurred. A pipe cap blew off and hit his stomach, injuring his spleen.

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