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FLATLAND OILFIELD LLC
Seminole, TX
CarrierChk vetting signal
Review recommended
Elevated Out-of-Service Rate
53.8% of this carrier's roadside inspections in the last 24 months put a driver or vehicle out of service — higher than 98% of carriers with a comparable number of inspections. This is a CarrierChk calculation from FMCSA inspection records, not an FMCSA rating.
See details ↓
FMCSA status: Active & Authorized · DOT 4018779 · MC 1515238
No Safety Rating
Active 3 yrs, 6 mo
Broker Vetting Summary
Key signals from current FMCSA records
Authority
Active
MC-1515238 · Common carrier
Insurance
On File
Sompo America Insurance Company
Safety
Not Rated
53.8% OOS · 29 inspections on record
Flags · 1
Elevated Out-of-Service Rate
53.8% of this carrier's roadside inspections in the last 24 months put a driver or vehicle out of service — higher than 98% of carriers with a comparable number of inspections. This is a CarrierChk calculation from FMCSA inspection records, not an FMCSA rating.
Vetting notes
- Operating authority active for 3 yrs, 6 mo
- Previously ordered out of service on August 26, 2023 (New Entrant Revoked - Refusal of Audit/No Contact) — no longer active
- Insurance on file: $1,000,000
- Vehicle out-of-service rate 53.8% — above the 20.7% national average
- Driver out-of-service rate 0.0% — below the 5.5% national average
- 29 FMCSA inspections on record
Authority & Compliance
Authority, insurance and required filings
Operating Authority
MC1515238
Motor Carrier of Property (Except Household Goods) · $750,000 required
Insurance on File
Sompo America Insurance Company
BI&PD · $1,000,000 · Policy EEA0110296500
Required Filings
Liability (BIPD)
$1,000,000
Company Information
Registration, contact and cargo details
FMCSA Registration
DOT Number
4018779
MC Number
MC-1515238
Safety Rating
Not Rated
Operation Classification
Authorized for hire
MCS-150 Filed
September 22, 2026
FMCSA Registration
January 27, 2023
Authority Granted
March 27, 2023
Annual Mileage
559,520 mi (2025)
Contact Information
Address
569 Us Hwy 385 N, Seminole, TX 79360
Phone
Email
Owner / Officer
Shelean Guffey
Cargo Types
General FreightLiquids/GasesOther Cargo
Safety Snapshot
Out-of-service rates, violations and crashes
Safety & Inspection Summary
Total Inspections
29
Driver Inspections
2
Vehicle Inspections
29
Out-of-Service Violations
21
Violations by Category
Vehicle Maintenance97
Unsafe Driving0
Hours of Service0
OOS Rates vs. National Average
Driver OOS Rate0.0% · national avg 5.5%
✓ Below national average
Vehicle OOS Rate53.8% · national avg 20.7%
⚠ Above national average (33.1pp higher)
53.8% of 26 inspections in the last 24 months put a driver or vehicle out of service —
98th percentile among carriers with 25–99 inspections (lower is better).
CarrierChk calculation from FMCSA roadside inspection records, not an FMCSA score.
Inspection Trend by Year
2026
2025
2024
Violation Rate by Category
Share of roadside inspections in FMCSA's rolling 24-month window that found a violation in each category. The individual violations are listed under each inspection in Inspection Details below. None of this is the basis of the safety rating, which comes from an on-site compliance review.
Vehicle Maintenance
22 of 27 inspections
Unsafe Driving
0 of 27 inspections
Hours of Service
0 of 27 inspections
Driver Fitness
3 of 27 inspections
Controlled Substances
0 of 27 inspections
Fleet & Operating Areas
Observed roadside activity and equipment
Where This Carrier Operates
States where this carrier's roadside inspections were recorded
FewerMore
TX28
Fleet & Equipment (30)
Vehicles identified in this carrier's inspection history. Year, make, model and equipment type are decoded from the VIN.
Power units
~15
of 30 reported to FMCSA
Trailers
~15
seen at inspection
Equipment types observed
Tractor
12
Semi-trailer
8
Tank
6
Truck
2
Not Applicable
1
Trailer (type not listed)
1
Units on record
| Vehicle | Type | VIN | Inspections | With OOS |
|---|---|---|---|---|
| 2013 Peterbilt 367 | Tractor · Class 8 | 1XPTD49X9DD166409 | 4 | 4 |
| Othr | Semi-trailer | 1G9VT40257H016606 | 3 | — |
| 2019 Mack Anthem | Tractor · Class 8 | 1M1AN4GY0KM005591 | 3 | 2 |
| 2019 Mack Anthem | Tractor · Class 8 | 1M1AN4GY6KM005594 | 3 | 2 |
| 2017 Mack CXU (Pinnacle) | Tractor · Class 8 | 1M1AW07Y5HM081760 | 3 | — |
| Othr | Semi-trailer | 1P9VN3621CK359891 | 3 | 2 |
| Trox | Semi-trailer | 1T9TS4027BR719514 | 3 | 2 |
| 2012 Peterbilt 367 | Tractor · Class 8 | 1XPTD49X5CD137732 | 3 | 1 |
| 2020 Pci Manufacturing | Tank · 43 ft | 7FJP1AU45LT610092 | 3 | 3 |
| 2006 Mack CL | Tractor · Class 8 | 1M2AD64Y46M002357 | 2 | 1 |
Show all 30 units
| Vehicle | Type | VIN | Inspections | With OOS |
|---|---|---|---|---|
| Trox | Semi-trailer | 1T9TA432871867983 | 2 | 1 |
| 2013 Dragon Products | Tank · 42 ft | 1UNST4228DL130164 | 2 | 2 |
| 2007 Overland Tank | Tank · 50 ft | 1Z923152271258777 | 2 | 1 |
| 2014 Energy Fabrication | Trailer (type not listed) · 37 ft | 1E9TS3723E0039060 | 1 | 1 |
| 2019 Mack Anthem | Tractor · Class 8 | 1M1AN4GY4KM005593 | 1 | — |
| 2019 Mack Anthem | Tractor · Class 8 | 1M1AN4GY7KM006706 | 1 | — |
| 2017 Mack CXU (Pinnacle) | Tractor · Class 8 | 1M1AW07Y4HM081765 | 1 | — |
| 2026 Mack Granite | Not Applicable · Class 8 | 1M1GR4GY4TM053000 | 1 | 1 |
| 2009 Kenworth T8 Series | Truck · Class 8 | 1NKDL40X19R254546 | 1 | 1 |
| 2015 Kenworth T8 Series | Truck · Class 8 | 1NKDL40X8FJ430664 | 1 | 1 |
| 2012 Peterbilt 386 | Tractor · Class 8 | 1NPHD49X3CD143688 | 1 | 1 |
| Trox | Semi-trailer | 1T9TA4321F1867810 | 1 | — |
| Not yet decoded | Semi-trailer | 1T9TA4329B1867516 | 1 | — |
| 2014 Dragon Products | Tank · 42 ft | 1UNST4223EL130543 | 1 | — |
| 2013 Peterbilt 367 | Tractor · Class 8 | 1XPTD49X6DD166237 | 1 | — |
| 2014 Overland Tank | Tank · 50 ft | 1Z9241526E1258579 | 1 | — |
| 2019 Freightliner Cascadia | Tractor · Class 8 | 3AKJHHDR0KSLG2411 | 1 | — |
| Ace | Semi-trailer | 3BZJN3828LC004534 | 1 | — |
| 2020 Grupo Remolques Del Norte | Tank · 38 ft | 3BZJN3828LC004535 | 1 | — |
| Trox | Semi-trailer | LTT55004758V00224 | 1 | 1 |
A vehicle appearing here was recorded in an inspection — it is not proof the carrier still operates it today.
Inspection Details
Each roadside inspection with its violations
Inspection Records (29)
| Date | Report # | Location | Level | Viol | OOS | Shipper | Unit Type | Make | VIN | License |
|---|---|---|---|---|---|---|---|---|---|---|
| September 19, 2026 | V262577971 | TX, TX | II | — | — | FLATLAND OILFIELD LLC | Truck Tractor Semi-trailer |
MACK — |
1M1AN4GY6KM005594 1P9VN3621CK359891 |
TX R786315 TX 221C862 |
| September 8, 2026 | V262578009 | TX, TX | II | 2 | 1 | HILCORP | Truck Tractor Semi-trailer |
MACK ENERGY FABRICATION |
1M1GR4GY4TM053000 1E9TS3723E0039060 |
TX R793190 TX 221C901 |
| 393.9A-LTSI | OOSLighting - Turn signal - Any inoperative on the rearmost vehicle. | Lighting | ||||||||
| 393.9A-LHWS | Lighting - Hazard warning signal(s) inoperative | Lighting | ||||||||
| September 7, 2026 | V262580113 | TX, TX | II | 1 | — | FLAT LAND | Truck Tractor Semi-trailer |
MACK — |
1M1AN4GY4KM005593 1T9TA4329B1867516 |
TX R786287 TX 221C863 |
| 393.48A-BIBD | Drum Brake - Inoperative other than a steering axle | Brakes All Others | ||||||||
| August 24, 2026 | V262557895 | TX, TX | II | 5 | 1 | FLATLAND OILFIELD LLC | Truck Tractor Semi-trailer |
MACK — |
1M1AN4GY0KM005591 1T9TS4027BR719514 |
TX R786288 TX 222B023 |
| 393.48A-BMBCBD | OOSDrum Brake - Missing/broken component(s) | Brakes All Others | ||||||||
| 393.55D2-B | Air Brake - ABS malfunction lamp defective on truck-tractor manufactured on or after March 1, 2001 for towed vehicle. | Brakes All Others | ||||||||
| 393.9A-LHWS | Lighting - Hazard warning signal(s) inoperative | Lighting | ||||||||
| 393.9A-LSLI | Lighting - Stop lamps - Any inoperative. | Lighting | ||||||||
| 393.9A-LTSIR | Lighting - Turn signal -Any inoperative on a unit that is not the rearmost unit | Lighting | ||||||||
| July 31, 2026 | V262490164 | FM1780, TX | II | 1 | — | FLATLAND OILFIELD | Truck Tractor Semi-trailer |
MACK OTHR |
1M1AW07Y5HM081760 1G9VT40257H016606 |
TX R793193 TX 249C168 |
| 396.3A1 | Inspection, repair and maintenance of parts and accessories | Wheels Studs Clamps Etc. | ||||||||
| July 20, 2026 | V262489387 | FM1622 AT CR270, TX | II | — | — | FLATLAND OILFIELD LLC | Truck Tractor Semi-trailer |
PETERBILT TROX |
1XPTD49X5CD137732 1T9TA4321F1867810 |
TX R762388 TX 277C366 |
| July 17, 2026 | V262454408 | CR 208 E OF SH 214, TX | II | 6 | 1 | FLATLAND OILFIELD LLC | Truck Tractor Semi-trailer |
PETERBILT DRAGON PRODUCTS |
1XPTD49X9DD166409 1UNST4228DL130164 |
TX R762397 TX 258B719 |
| 393.75A3 | OOSTire-flat and/or audible air leak | Tires | ||||||||
| 393.55E | No or Defective ABS Malfunction Indicator Lamp for trailer manufactured after 03/01/1998 | Brakes All Others | ||||||||
| 393.9 | Inoperable Required Lamp | Clearance Identification Lamps/Other | ||||||||
| 396.17C | Operating a CMV without proof of a periodic inspection | Inspection Reports | ||||||||
| 392.2RG | State vehicle registration or License Plate violation | |||||||||
| 392.2WC | Wheel (Mud) Flaps missing or defective | Windshield/ Glass/ Markings | ||||||||
| July 17, 2026 | V262454407 | US 385 MM 308, TX | II | 7 | 2 | FLATLAND OILFIELD LLC | Truck Tractor Semi-trailer |
MACK OVERLAND TANK |
1M2AD64Y46M002357 1Z923152271258777 |
TX R825355 TX 221C909 |
| 393.100A | OOSNo or improper load securement | General Securement | ||||||||
| 393.75A3 | OOSTire-flat and/or audible air leak | Tires | ||||||||
| 393.11LR | No Lower rear retroreflective sheeting or reflex reflective materials as required for vehicles manufactured after December 1993 | Reflective Sheeting | ||||||||
| 393.11TU | Truck-Tractor upper body corner requirements for retroreflective sheeting or reflex reflective material for vehicles manufactured after July 1997 | Reflective Sheeting | ||||||||
| 393.55E | No or Defective ABS Malfunction Indicator Lamp for trailer manufactured after 03/01/1998 | Brakes All Others | ||||||||
| 392.2RG | State vehicle registration or License Plate violation | |||||||||
| 392.2RG | State vehicle registration or License Plate violation | |||||||||
| July 15, 2026 | V262487392 | FM2371 HWY AT TX115, TX | II | 11 | 2 | FLATLAND OILFIELD LLC | Truck Tractor Semi-trailer |
MACK TROX |
1M1AN4GY0KM005591 1T9TS4027BR719514 |
TX R786288 TX 222B023 |
| 393.75A3 | OOSTire-flat and/or audible air leak | Tires | ||||||||
| 393.75A3 | OOSTire-flat and/or audible air leak | Tires | ||||||||
| 393.55E | No or Defective ABS Malfunction Indicator Lamp for trailer manufactured after 03/01/1998 | Brakes All Others | ||||||||
| 393.75A1 | Tire-ply or belt material exposed | Tires | ||||||||
| 393.75A3 | Tire-flat and/or audible air leak | Tires | ||||||||
| 393.75A3 | Tire-flat and/or audible air leak | Tires | ||||||||
| 393.9 | Inoperable Required Lamp | Clearance Identification Lamps/Other | ||||||||
| 393.9 | Inoperable Required Lamp | Clearance Identification Lamps/Other | ||||||||
| 393.9 | Inoperable Required Lamp | Clearance Identification Lamps/Other | ||||||||
| 393.9TS | Inoperative turn signal | Lighting | ||||||||
| 396.17C | Operating a CMV without proof of a periodic inspection | Inspection Reports | ||||||||
| June 25, 2026 | V262421622 | US 82, TX | II | 6 | 3 | FLATLAND OILFIELD LLC | Straight Truck |
KENWORTH |
1NKDL40X19R254546 |
TX R786313 |
| 172.200A | OOSNo shipping paper provided by offeror | Documentation - HM | ||||||||
| 177.823A | OOSNo placards/markings when required | Markings - HM | ||||||||
| 383.23A2 | OOSOperating a CMV without a CDL | License-related: High | ||||||||
| 172.602B | Form and manner of Emergency Response information | Documentation - HM | ||||||||
| 393.47E | Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt | Brakes Out of Adjustment | ||||||||
| 393.53B | CMV manufactured after 10/19/94 has an automatic airbrake adjustment system that fails to compensate for wear | Brakes All Others | ||||||||
Shippers Seen at Inspections
Shipper names recorded by roadside inspectors over roughly the last three years. Only inspected loads appear, so this is a sample of who the carrier hauls for, not a complete customer list. Names are as entered at the roadside; blanks and placeholders such as “N/A” or “same as carrier” are left out.
| Shipper | Inspections | Most recent |
|---|---|---|
| OXY | 2 | November 4, 2025 |
| HILCORP | 1 | September 8, 2026 |
History & Filings
Authority, insurance and process-agent records
Authority History
| Date | Status | Type |
|---|---|---|
| March 5, 2024 | DISCONTINUED REVOCATION | Common |
| February 8, 2024 | INVOLUNTARY REVOCATION | Common |
| October 10, 2023 | DISCONTINUED REVOCATION | Common |
| September 26, 2023 | INVOLUNTARY REVOCATION | Common |
| March 27, 2023 | GRANTED | Common Carrier |
| March 27, 2023 | Active GRANTED | Motor Carrier of Property (Except Household Goods) |
Insurance & Revocation Filings
| Date | Type | Status |
|---|---|---|
| March 6, 2026 | BI&PD Primary/Excess | On file |
BOC-3 Process Agent
Multi-States Agent For Process Inc.
80 Nowell Road, Medina, TN, 38355
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Data sourced from FMCSA MCMIS via Socrata. Record last updated: October 18, 2026.
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