Page 50 - Industrial Plants
P. 50

Termomeccanica Pumps Services – workshop view (left) & on site
                             intervention by local personnel (right)



                             This explains why ADNOC carefully considered   while the third one will be driven by a variable
                             the extent to which bidders would maximize   speed electric motor.
                             In-Country Value (ICV) in the delivery of the
                             project as part of the selection criteria for the   One of the main reasons Termomeccanica was
                             award of the EPC contract. ICV is the mechanism   awarded the contract for this job  lies in its
                             ADNOC has integrated into its tender evaluation   capacity to act as a true “system integrator”, i.e.
                             process to nurture new local and international   in its capacity to manage the complex supply of
                             partnerships and business opportunities in   additional auxiliary systems located outside the
                             support of the development of the nation’s   main pump skids but key to their operations.
                             economy.                                  In this case, such systems include:
                                                                       •   the API 614 lube oil system unit with API
                             ADNOC  awarded  the EPC contract  to         661 forced air coolers;
                             Archirodon Construction (Overseas) Co. Ltd.  in   •   the logic and control of the main parameters
                             2019.  The scope of such contract includes the   of the equipment, performed by a unit
                             development of oil producing wells, water    control panel with its associated machine
                             injection wells, artificial lift wells, well-bays, let   monitoring system;
                             down stations, water injection clusters and   •   a 24-pulse frequency converter in
                             other infrastructure required to sustain the   accordance with Shell DEP specifications
                             production capacity of the field.            that will modulate the speed of the electric
                                                                          motor in order to supply the quantity of
                             Termomeccanica’s supply is related to said   water needed by the customer;
                             water injection clusters and consists of 3 main   •   an oil cooled transformer (ONAN) with input
                             surface water injection pumping units with   voltage to the primary winding of 33 kV.
                             related auxiliaries.
                                                                       This further auxiliaries’ integration aims at
                             Each pump skid is composed of a horizontal   ensuring the maximum flexibility and optimization
                             between bearings, radially split BB5-type pump   of the water injection service at the field.
                             (TMP MESB model) in super-duplex material, an   The design of the pumps and their auxiliary
                             electric motor and two auxiliary sealing systems   systems – installed on and off the pump skids
                             plan 53B with forced air cooling, refilled by a   –  had  to take  into  consideration  operations of
                             single automatic top-up unit. Two of the pumps   the pump at variable speed and under extreme
                             will  be driven  by a  fixed  speed electric motor   external climate conditions, with temperatures

            IndustrIal Plants - September 2021
    48
   45   46   47   48   49   50   51   52   53   54   55