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A Solution to Years of High Vibration Problems in Three Reinjection Compressor Trains Running at 33 MPA Discharge Pressure
(Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
Case Study 22: Over a 13‐year span, a major South American oil company’s maintenance department fought high vibrations in three gas reinjection compressor trains. To reduce the chances of machine trips, technicians field ...
Hydraulic Power Recovery Turbine Operational Failure and Design Enhancement
(Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
Case Study 23: PTT operate a number of hydraulic power recovery turbines (HPRT) in their gas processing plants in Rayong Thailand. One of the newest plants incorporates some of the largest such turbines ever produced. The ...
Measurements and Analysis of High Machine Vibration - A case Study of Screw Compressor Rub
(Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
Case Study 21: This case study concerns a screw compressor operating in offshore process environment with unpredictable gas composition. The compressor was tripped on high vibration during startup after seals replacement. ...
Considerations in the Design of VFD Motor-Driven Compressors
(Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
Tutorial 17: The various drivers for process compressor trains are designed in accordance with the pertinent process requirements. In the case of variable speed applications for process compressors, Steam turbines or Gas ...
Using Non-Standard Materials for Couplings on Special Turbomachinery Applications
(Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
Technical Brief 3: Flexible couplings are a critical component in turbo-machinery train. It is a challenge and very important for coupling designers to select suitable materials for special turbo-machinery applications. ...
Dynamic Analysis of a Multi-Stage Compressor Train
(Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
Technical Brief 4: A complex multiple-stage compressor train which is part of an off-shore booster installation was facing process and mechanical related problems. The frequency of these problems has increased lately leading ...
Repair of Severely Damaged Rotor as an Emergency Spare
(Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
Case Study 10: When the subject compressor was opened for an unrelated reason, it was unexpectedly found to have severe cracking, including a missing piece, on the first stage impeller and foreign object damage to the ...
Steam Turbine Vibration Resonance of Pedestal, Vibration Investigation with Countermeasures in Singapore
(Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
Case Study 3
Vibration Field Problem Resolved with Analytical Diagnostic Approach and Innovative Impeller Design
(Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
Case Study 20: Several pumps of same design exhibited field vibrations above API limits, dominated by Vane Passage Frequency (VPF). Root cause analysis included both experimental and theoretical paths. Experimental ...
2 Case Studies on Unique Machinery Repair Techniques: Brush Plating Repair of Eroded Compressor Diaphragm - Combining 2 Failed Gearboxes into 1 Functional and Reliable Gearbox
(Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
Case Study 2: When machinery challenges arise in aging equipment within declining oil and gas facilities it requires innovative solutions taking into account life expectancy, production impact and declining production to ...