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O'Brien Oilfield Service Llc (DOT# 2311104) – FMCSA Carrier Profile

DOT# 2311104● Active
Updated monthly · 2026-03-09

This carrier is active. Review the inspection and crash data below.

O'Brien Oilfield Service Llc is a registered motor carrier with the FMCSA under USDOT number 2311104. The company operates from Belfield, ND and maintains an active operating status with 6 power units and 6 drivers on record.

Safety Rating

FMCSA Safety Rating
— Not Rated

No formal safety rating has been assigned to O'Brien Oilfield Service Llc by the FMCSA. View official FMCSA record →

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Company Information

Address13224 36th St Sw, Belfield, ND, 58622
Phone(701) 575-4248
EmailOBOILFIELD@GMAIL.COM
Entity TypePrivate Property
OperationIntrastate (Non-Hazmat)
Power Units6(Small carrier)
Drivers6
MCS-150 FiledMay 31, 2012
All carriers in North Dakota→Carriers in Belfield, ND→
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Carrier Insight

O'Brien Oilfield Service Llc is a small motor carrier operating in North Dakota.

O'Brien Oilfield Service Llc has not received a formal safety rating from the FMCSA. This is common for smaller or newer carriers and does not necessarily indicate a safety problem.

The company operates 6 power units and employs 6 drivers. This is a small carrier operation.

Frequently Asked Questions

What is USDOT Number 2311104?
USDOT number 2311104 is assigned to O'Brien Oilfield Service Llc, an active motor carrier registered with the FMCSA, based in Belfield, ND.
Where is O'Brien Oilfield Service Llc located?
O'Brien Oilfield Service Llc is headquartered at 13224 36th St Sw, Belfield, ND 58622.
What does "Not Rated" mean?
"Not Rated" means the FMCSA has not conducted a formal compliance review for this carrier. It does not indicate a safety problem — many active carriers operate without a formal rating.
Is zero crashes always a good sign?
Generally yes, but context matters. A carrier with zero crashes and very few inspections may simply have limited road exposure. Always review crash data alongside inspection volume and fleet size.
What is a normal OOS rate?
The national average vehicle out-of-service rate is approximately 21%. Driver OOS averages around 5%. Rates significantly above these thresholds may indicate recurring compliance issues.
How often is FMCSA data updated?
FMCSA publishes updated carrier data monthly. This page reflects the most recent available snapshot, updated on the date shown above.

Data sourced from the FMCSA Open Data Portal. Updated monthly. DOT# 2311104 · Last updated: 2026-03-09. View official FMCSA record →