Motor carrier · USDOT 312736
M-I DRILLING FLUIDS LLC, Houston, TX: USDOT 312736 safety record, inspections, out-of-service, crashes
- 37Power units
- 25Drivers
- 6Roadside inspections on file
- 0With an out-of-service order
- 9Crashes on file
Fleet and drivers are as M-I DRILLING FLUIDS LLC filed them on its MCS-150, last updated June 19, 2025. The carrier has been on the FMCSA register since April 7, 1988. Inspections and crashes are the reports in Velarion’s copy of FMCSA’s inspection and crash files, which hold the reports filed by some states, not every state; FMCSA’s free SAFER snapshot carries the carrier’s national 24-month inspection and out-of-service figures.
Identity
| Legal name as filed | M-I DRILLING FLUIDS LLC |
|---|---|
| Doing business as | M-I SWACO |
| USDOT number | 312736 |
| Status on the census | Active |
| Address | Houston, TX 77072 |
| County | Harris County |
| Operating authority | Interstate Carriers |
| Hazardous materials | Carries hazardous materials |
| Safety rating | Satisfactory |
| Power units | 37 (29 trucks) |
| Drivers | 25 (15 with a CDL) |
| On the register since | April 7, 1988 |
| MCS-150 last filed | June 19, 2025 |
| Cargo carried | Chemicals; Liquids/Gases; Dry Bulk; Oilfield Equipment; Other; General Freight |
Cited to the FMCSA Company Census File.
Roadside inspections
- 6Inspections
- 0Any out-of-service order
- 0Driver out of service
- 0Vehicle out of service
| Date | Filed by | Level | Violations | Out-of-service | Driver OOS | Vehicle OOS |
|---|---|---|---|---|---|---|
| January 2, 2025 | TX | Level II, walk-around | 2 | 0 | 0 | 0 |
| December 11, 2024 | TX | Level I, full | 0 | 0 | 0 | 0 |
| September 18, 2024 | TX | Level I, full | 0 | 0 | 0 | 0 |
| July 22, 2024 | TX | Level II, walk-around | 0 | 0 | 0 | 0 |
| June 12, 2024 | TX | Level III, driver only | 0 | 0 | 0 | 0 |
| October 19, 2023 | TX | Level II, walk-around | 0 | 0 | 0 | 0 |
Cited to the FMCSA Vehicle Inspection File; up to 50 rows shown, newest first.
Crashes
- 9Crashes
- 0With a fatality
- 4With an injury
| Date | Filed by | City | Fatalities | Injuries | Towed away | Hazmat released |
|---|---|---|---|---|---|---|
| December 26, 2013 | TX | Rural Frio County | 0 | 1 | Yes | Yes |
| March 29, 2012 | TX | 0 | 1 | No | No | |
| March 7, 2012 | CA | Unincorporated | 0 | 1 | Yes | No |
| March 6, 2009 | TX | 0 | 0 | Yes | No | |
| November 4, 2005 | TX | 0 | 0 | Yes | No | |
| August 31, 2003 | TX | 0 | 0 | Yes | No | |
| October 5, 2001 | TX | 0 | 0 | Yes | No | |
| March 23, 1997 | TX | Edinburg | 0 | 2 | Yes | No |
| November 22, 1992 | TX | 0 | 0 | Yes | No |
Cited to the FMCSA Crash File; up to 50 rows shown, newest first.
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Nearby on the register
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Figures from the FMCSA Company Census File, loaded September 14, 2026, and FMCSA’s inspection and crash files.