Green River Basin Well Service Inc is an active interstate carrier based in Sheridan, WY.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 3 | 0 | 0 |
| Tractors | 1 | 0 | 0 |
| Trailers | 3 | 0 | 0 |
| Total Power Units | 4 | ||
Distinct vehicles · 24 mo
vs 4 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category | Insp w/ Viol |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 0% | 0% | Better than most peers |
| HOS Compliance | 99% | 99% | Worse than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 88% | 92% | Worse than most peers |
Lower percentile = lower SMS measure = stronger safety record. Computed nightly across active carriers in the same state and fleet-size band.
| Type | Inspections | OOS | OOS % | Nat'l Avg |
|---|---|---|---|---|
| Driver | 0 | 1 | — | 6.67% |
| Vehicle | 0 | 1 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
Where they run
Inspected in 1 state. Top state WY accounts for 100% of activity. Activity outside home state (WY): 0%.
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 5 | 0 | 3 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Aug 24, 2025 | WY | STRAIGHT TRUCK | 2 | 2 |
| Aug 13, 2024 | WY | STRAIGHT TRUCK | 5 | 3 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
Carriers that share an officer, phone, or email with this DOT.
Shared officer · 1
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 2 | 7.00 | — |
| Vehicle Maintenance | 2 | 9.66 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| Hours-of-Service Compliance |
| 2 |
| 0 |
| 2 |
| Aug 24, 2025 |
| 39343DBMA |
| Brake - Breakaway not attached to the towing vehicle |
| Vehicle Maintenance |
| Yes |
| Aug 24, 2025 | 3958A1HOSP | HOS (Property) - Failing to have a record of duty status using the method prescribed | Hours-of-Service Compliance | Yes |
| Aug 13, 2024 | 39330 | Improper battery installation | Vehicle Maintenance | — |
| Aug 13, 2024 | 39345D | Brake connections with leaks or constrictions | Vehicle Maintenance | Yes |
| Aug 13, 2024 | 39395F | Emergency Equipment - Stopped vehicle warning devices missing or improper | Vehicle Maintenance | — |
| Aug 13, 2024 | 3958ANONELD | No record of duty status when one is required (ELD Not Required) | Hours-of-Service Compliance | Yes |
| Aug 13, 2024 | 3963A1BL | Brake system pressure loss | Vehicle Maintenance | Yes |