# Puncture wounds, except gunshot wounds at Helmerich & Payne International Drilling Co.
> OSHA SIR `2022119923` · 11/10/2022 · VELMA, OKLAHOMA
## Severity
- **1 hospitalization**
- **Body part:** Knee(s)
- **Nature of injury:** Puncture wounds, except gunshot wounds
## Cause
- **Event:** Struck by discharged object or substance
- **Source:** Pressurized water-blast
- **Secondary source:** Power washers
## Employer
- **Name:** Helmerich & Payne International Drilling Co.
- **Location:** H&P Rig 432 - PRAIRIEDALE 5-35HW, VELMA, OKLAHOMA, 73491
- **NAICS:** 213111
- **Jurisdiction:** 1
## Narrative

An employee was in the basket of an aerial work platform pressure washing a shaker roof. While rotating the wand, an unexpected pressure release occurred. The wand was one inch from his right knee and injected him with fluid at 2,900 PSI.

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