PIONEER WELL SERVICES, LLC is a support activities for oil and gas operations employer in CHANDLER, TX. Federal records show 1 OSHA inspection with 5 violations and $36,435 in penalties. 1 workplace fatality investigation on record. All data sourced from public federal enforcement records.
Data sourced from OSHA, DOL WHD, MSHA, EPA ECHO, NLRB, FMCSA, OFLC, BLS, SAM.gov, CMS, USAspending, CPSC, NHTSA, and the UVA Corporate Prosecution Registry. Last updated: May 3, 2026.
PIONEER WELL SERVICES, LLC
TAYLOR 1 HENDERSON COUNTY, CHANDLER, TX, 75758
Parent: OLIN Corp (1,240 locations)
213112 — Top companies in Support Activities for Oil and Gas Operations
Industry Benchmark
Data Insights
Inspection Breakdown
Peer Comparison
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Inspection History
No inspection records found.
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Data aggregated from public federal enforcement and program records (OSHA, WHD, MSHA, EPA, NLRB, FMCSA, OFLC, BLS, SAM.gov, CMS, USAspending, CPSC, NHTSA) plus the UVA Corporate Prosecution Registry. Employer profiles matched by name and location — matching errors may occur. Risk scores computed by FastDOL, not official government assessments. OSHA citations typically appear 3-8 months after the inspection, so very recent enforcement actions may not yet be reflected. Data provided as-is. Report a data error.
Part of a larger organization
PIONEER WELL SERVICES, LLC is one of 1,240 establishments in our dataset that roll up under the parent organization OLIN Corp. OLIN Corp is a SEC public reporter (OLN), with most recent reported revenue of $6.8B.
Federal enforcement records on PIONEER WELL SERVICES, LLC represent activity at this specific establishment. The full enforcement footprint of OLIN Corp across all 1,240 of its tracked locations is viewable on the parent profile.
Other establishments operated by OLIN Corp
- PIONEER PLASTICS CORPORATION — AUBURN, ME — 3 federal records
- OLIN CORPORATION — EAST ALTON, IL — 3 federal records
- OLIN WINCHESTER, LLC — EAST ALTON, IL — 3 federal records
- OLIN WINCHESTER LLC — INDEPENDENCE, MO — 2 federal records
- PIONEER METAL FINISHING LLC — WARREN, MI — 2 federal records
- PIONEER PLASTICS CORPORATION — MORRISTOWN, TN — 2 federal records
- PIONEER METAL FINISHING LLC — GREEN BAY, WI — 2 federal records
- PIONEER METAL FINISHING CORPORATION — MINNEAPOLIS, MN — 2 federal records
- PIONEER METAL FINISHING, INC. — FRANKLINVILLE, NJ — 2 federal records
- PIONEER CONCRETE & FUEL, INC. — BUTTE, MT — 2 federal records
Other employers in Support Activities for Oil and Gas Operations within TX
- APACHE CORPORATION — BARNHART — 3 federal records
- SOUTHERN WELDING , LLC — RICHMOND — 3 federal records
- MARTIN IBARRA M & J TRUCKING, INC. — PECOS — 2 federal records
- PIONEER NATURAL RESOURCES — LAMESA — 2 federal records
- APACHE CORPORATION — GARDEN CITY — 2 federal records
- STALLION OILFIELD SERVICES, LTD — PECOS — 2 federal records
- PROCO, INC. — KINGSVILLE — 2 federal records
- 5J OILFIELD SERVICES — MIDLAND — 2 federal records
- HALLIBURTON — CATARINA — 2 federal records
- STALLION OILFIELD SERVICES — FORT STOCKTON — 2 federal records
Industry context
Within the support activities for oil and gas operations industry in TX, PIONEER WELL SERVICES, LLC ranks in the 91th percentile of OSHA violation frequency across 2,980 comparable establishments. That places this employer among the highest-violation establishments in its peer set.
OSHA penalty totals rank in the 98th percentile of the same peer group.
The Bureau of Labor Statistics reports an industry-average Total Recordable Incident Rate (TRIR) of 0.8 for the support activities for oil and gas operations sector, with a Days Away, Restricted, or Transferred (DART) rate of 0.6.
Activity timeline
No federal enforcement activity has been recorded against this establishment in the past 7 years.
Frequently Asked Questions
- What is PIONEER WELL SERVICES, LLC's OSHA violation history?
- PIONEER WELL SERVICES, LLC has 1 OSHA inspection on record with 5 violations and $36,435 in total penalties.
- How does PIONEER WELL SERVICES, LLC's safety record compare to its industry?
- PIONEER WELL SERVICES, LLC operates in the support activities for oil and gas operations industry. The industry average Total Recordable Incident Rate (TRIR) is 0.8.
- Has PIONEER WELL SERVICES, LLC had any workplace fatalities?
- Yes. Federal records show 1 fatality investigation involving PIONEER WELL SERVICES, LLC.
About this data
This profile aggregates federal enforcement records on PIONEER WELL SERVICES, LLC of CHANDLER, TX from 17 federal data sources. Records were found in 3 sources: OSHA workplace safety inspections, SEC XBRL companyfacts (parent financials), and BLS industry safety benchmarks. The remaining 14 sources were checked and found no matching records: WHD, MSHA, EPA, NLRB, OFLC, OFCCP, FMCSA, USAspending, SAM.gov, CMS, CPSC, NHTSA, UVA, SEC enforcement.
Establishments are matched across agencies using normalized employer name, state, and ZIP code. The dataset was last refreshed on May 3, 2026. PIONEER WELL SERVICES, LLC resolves to the parent rollup OLIN Corp, which operates 1,240 establishments in our dataset. OSHA accident records on file for PIONEER WELL SERVICES, LLC include 1 fatality investigation and 1 hospitalization.
This profile may be incomplete if PIONEER WELL SERVICES, LLCoperates under multiple legal names, files under variations our entity-matching rules don't yet cover, or maintains records below current matching thresholds. To report a missing record or correction, email corrections@fastdol.com.