# Major tears to muscles, tendons, ligaments at Schlumberger
> OSHA SIR `2017098512` · 9/4/2017 · EL RENO, OKLAHOMA
## Severity
- **1 hospitalization**
- **Body part:** Upper arm(s)
- **Nature of injury:** Major tears to muscles, tendons, ligaments
## Cause
- **Event:** Fall on same level, n.e.c.
- **Source:** Floors, walkways, ground surfaces, unspecified
## Employer
- **Name:** Schlumberger
- **Location:** 560 W. Jensen Rd., EL RENO, OKLAHOMA, 73036
- **NAICS:** 213112
- **Jurisdiction:** 1
## Narrative

An employee was opening a high-pressure relief valve with a pressure bar. He was pulling down on the bar when it gave way, causing him to fall on the second bar. He tore his left triceps and bicep.

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