PATTERSON-UTI DRILLING CO., LLC RIG #531 is a drilling oil and gas wells employer in CARRIZO SPRINGS, TX. Federal records show 1 OSHA inspection with 2 violations and $9,800 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.
PATTERSON-UTI DRILLING CO., LLC RIG #531
OFF FM 1433, CARRIZO SPRINGS, TX, 78834
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
PATTERSON-UTI DRILLING CO., LLC RIG #531 is one of 155 establishments in our dataset that roll up under the parent organization PATTERSON UTI ENERGY INC. PATTERSON UTI ENERGY INC is a SEC public reporter (PTEN), with most recent reported revenue of $4.8B.
Federal enforcement records on PATTERSON-UTI DRILLING CO., LLC RIG #531 represent activity at this specific establishment. The full enforcement footprint of PATTERSON UTI ENERGY INC across all 155 of its tracked locations is viewable on the parent profile.
Other establishments operated by PATTERSON UTI ENERGY INC
- PATTERSON-UTI DRILLING COMPANY, LLC — QUINTON, OK — 1 federal record
- PATTERSON-UTI DRILLING COMPANY LLC — RIFLE, CO — 1 federal record
- PATTERSON-UTI DRILLING COMPANY LLC — PENWELL, TX — 1 federal record
- PATTERSON-UTI DRILLING COMPANY LLC — SEMINOLE, TX — 1 federal record
- PATTERSON-UTI DRILLING COMPANY LLC — MIDLAND, TX — 1 federal record
- PATTERSON-UTI DRILLING COMPANY LLC — PINEDALE, WY — 1 federal record
- PATTERSON-UTI DRILLING COMPANY LLC RIG 131 — THOMAS, OK — 1 federal record
- PATTERSON-UTI DRILLING COMPANY LLC — MEEKER, CO — 1 federal record
- PIONEER DRILLING SERVICES INC — MYTON, UT — 1 federal record
- Pioneer Drilling Services — Rices Landing, PA — 1 federal record
Other employers in Drilling Oil and Gas Wells within TX
- ENSIGN US SOUTHERN, LLC — BIG LAKE — 2 federal records
- ARD WELL SERVICE, LLC — BATSON — 2 federal records
- ROBINSON DRILLING OF TEXAS, LTD. — CRANE — 1 federal record
- HELMERICH & PAYNE — MIDLAND — 1 federal record
- HEART LAND DRILLING, INC. — SEMINOLE — 1 federal record
- QUAIL WELL SERVICE — MERKEL — 1 federal record
- DEEN DRILLING COMPANY INC. — VERNON — 1 federal record
- CACTUS DRILLING COMPANY, L.L.C. — PECOS — 1 federal record
- NRG RESERVES, INC. — ROSENBERG — 1 federal record
- ACACIA DRILLING CO. L.P. — WICKETT — 1 federal record
Industry context
Within the drilling oil and gas wells industry in TX, PATTERSON-UTI DRILLING CO., LLC RIG #531 ranks in the 70th percentile of OSHA violation frequency across 2,980 comparable establishments.
OSHA penalty totals rank in the 87th percentile of the same peer group.
The Bureau of Labor Statistics reports an industry-average Total Recordable Incident Rate (TRIR) of 1.3 for the drilling oil and gas wells sector, with a Days Away, Restricted, or Transferred (DART) rate of 1.
Activity timeline
No federal enforcement activity has been recorded against this establishment in the past 15 years.
Frequently Asked Questions
- What is PATTERSON-UTI DRILLING CO., LLC RIG #531's OSHA violation history?
- PATTERSON-UTI DRILLING CO., LLC RIG #531 has 1 OSHA inspection on record with 2 violations and $9,800 in total penalties.
- How does PATTERSON-UTI DRILLING CO., LLC RIG #531's safety record compare to its industry?
- PATTERSON-UTI DRILLING CO., LLC RIG #531 operates in the drilling oil and gas wells industry. The industry average Total Recordable Incident Rate (TRIR) is 1.3.
- Has PATTERSON-UTI DRILLING CO., LLC RIG #531 had any workplace fatalities?
- Yes. Federal records show 1 fatality investigation involving PATTERSON-UTI DRILLING CO., LLC RIG #531.
About this data
This profile aggregates federal enforcement records on PATTERSON-UTI DRILLING CO., LLC RIG #531 of CARRIZO SPRINGS, 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. PATTERSON-UTI DRILLING CO., LLC RIG #531 resolves to the parent rollup PATTERSON UTI ENERGY INC, which operates 155 establishments in our dataset. OSHA accident records on file for PATTERSON-UTI DRILLING CO., LLC RIG #531 include 1 fatality investigation.
This profile may be incomplete if PATTERSON-UTI DRILLING CO., LLC RIG #531operates 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.