The characteristics of the second group included with better production, ease of operation, and faster activity, by inscription the incredible record of 6 operation in month.
Mobile oil treater (M.O.T), somehow is the most enviable project that has been done in the “chagalesh” consulting engineers.
Prevent of burning exited oil from drilled or repaired well in fuel holes.is an uncatchable wishes in past, but its change to real with technical knowledge of the “chagalesh” consulting engineers.
There is no doubt that saving at least one million barrels of crude oil per year and, consequently, preventing environmental pollution is an honor for the “chagalesh” family.
The executive service of oil industry plans are announced from the minister of oil industry according to circular of number 1507-8/32, by date of 8/6/78, similar with more progressive execution methods, considered the quad methods, considered the quad methods of plans executive organization, too.
Additionally 3 factors, employer, advisor and contractor, factor of plan management will enter authorities and responsibilities, delay in performance of acts in the reason of organization difficulties will be solve.
 This factor for preventing  the time and energy losses in construction projects and running this plan based on time and pretended costs in paragraph 2-3 of the first season,  the most of the executive system of oil industry, is called contract management (management contractor =Mc). In this method contractor or the plan manager (MC) is counted as a one of the members of employer team based on wage agreement and far from contractor profitable tendencies, performed the managing  services in construction.
In the other hand, contract managing , have a responsibility for time managing , controlling the cost and quality of plan and after the final accept, as a performed the project, will communicate with employer.
The “chagalesh consulting engineers” is known as one of the biggest and experienced companies in contract managing and supplying the workers for employees, supported with professional members and huge technical base earns in experiences, fundamentally from the excessive projects in energy industry, to provide services on contract management .the completed or ongoing projects are performed as a contract management described in following sentences:

• Engineering consultancy & workshop surveying development plan mansouri field (Asmari)
• Presents the consulting and surveying services in the executive affairs of layer surface activities of development plan of Azar oil field
• Technical surveying in constructing the pressure reinforced buildings based on B.O.T contract. Basically, the heads of service management for completing the building, utilization and right maintenance of the different units, project is done by ”chagalesh consulting engineers” included to this cases :
  1. Editing the method and execution system services
  2. Managing and adjusting  the contracts services
  3. Work referring services
  4. Scheduling and control project services
  5. Determining, payment controlling, legal affairs of contracts services.