All processes of test operation continue until PETROCO's clients are completely satisfied. These processes are systematically and precisely executed under the close direction of highly trained specialists. Facilities are transferred to the client only after rigorous inspection of all functions and safety processes.

PETROCO's Commissioning / Maintenance team associates itself with the project right from the process design stage. It reviews process & engineering design documents specially with respect to operability & safety. The team also prepares operation manuals providing instruction for plant start-up, shutdown & handling various emergencies. It provides guidelines and supervises pre Commissioning / Maintenance & Commissioning / Maintenance activities at site. PETROCO's responsibility continues till production of specification products has been established to the full satisfaction of the customers. The team assists process department in conducting performance guarantee tests in order to establish plant operation at design through-puts with product of specified quality. PETROCO also provides technical guidance to customers in the area of trouble shooting