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New Gas Gathering Compression |
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SCFM DELIVERS RESULTS
OUTCOME:
Fuel cost savings of $829,572/year compared with previous proposed compressor design
The Customer Situation:
• Customer was planning to install oil flooded twin screw with single 1000 HP (4000V) electric motor driven twin screw (direct driven – no gear)
• The capacity of this design was 8.0 MMSCFD @ 15 PSI inlet and 75 PSI discharge pressures, requiring 752 BHP. 8.0 MMS
• The delivery estimated to be 30 weeks
The SCFM Solution:
• Oil-flooded screw compressor package with two 400 HP (480V) electric motors, each driving single screws (direct driven – no gear)
• The capacity of this design was 8.0 MMSCFD @ 15 PSI inlet and 75 PSI discharge pressures, requiring 625 BHP (total for both screws)
• The delivery estimated to be 24 weeks
The Results:
• HP/MM was lowered from 94 to 78 a reduction of 17%
• Fuel cost savings @$0.05/kwh was $829,572/yr
• Unit was in production 6 weeks sooner
• Additional cost of two single screw compressor units (versus one twin screw) was recouped in less than first year, due to fuel cost savings
• The single screws are more efficient fully or partly loaded than any twin screw
• On-going maintenance cost savings, since the single screws are lower maintenance in both labor and parts than any twin screw
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