Services are provided using CROSCO’s own fleet of 7 self-propelled and truck-mounted Cardwell, IRI-Franks and National workover rigs. Workover servicing capacity ranges from 40-100 tonnes, which can be used for work in wells to 4000 m.
All of CROSCO’s workover rigs are self-propelled carrier back-in type units with self-erecting and telescopic API portable guyed masts. CROSCO’s services on average over 200 wells per year.
Technical description of workover rigs:
| Rig name | Technical description | Capacity |
| RP-501 | BIS | 50 t |
| Cardwell 3 | AB 150 | 60 t |
| Cardwell 5 | AB 150 | 65 t |
| IRI 1 | IRI Franks 200 | 65 t |
| IRI 3 | IRI Franks 200 | 65 t |
| National 3 | National 4224 | 100 t |
| Cardwell 8 | KB 150 | 100 t |