# MACHINERY
> MSHA accident `220141550027` · 05/31/2014 · Pioneer Sands LLC
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** MACHINERY
- **Accident type:** Struck by... NEC
- **Occupation:** Drill helper
- **Activity:** Surface equipment, NEC
- **Injury source:** METAL,NEC(PIPE,WIRE,NAIL)
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** MOUTH/LIP/TEETH/TONGUE/THROAT/TASTE
- **Days lost:** 0
- **Mine experience:** 1 years
## Operator
- **Controller:** Pioneer Natural Resources USA Incorporated
- **Operator:** Pioneer Sands LLC
- **Mine:** [4103618](https://api.ai-analytics.org/mine/4103618)
## Narrative

Driller and Assistant were pulling casing. The assistant turned the casing loose. The driller pulled casing up, the casing stuck and then released causing the casing to jerk in an upward motion hitting the driller assistant in the mouth.

---
*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*