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Centrifugal Compressor Failure Analysis
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
Outline: Outline; Introduction & Background; Site Visits; Root Cause Failure Analysis; Failure Site Assessment; Mechanical, Metallurgical, Compressor Performance; Failure Scenario Assessment; Conclusions; Recommendations
Think Out of the Box: Not All Sea Water Submerged Pump Failures Are Mechanical
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
Outline
-Introduction Offshore to QP Operation
-Background
-Failure History
-Possible Failure Causes (Fish Bone Diagram)
-Submersible Pump Caisson Designs
-Suction Bearing Designs
-Experiment Video & Findings
...
Large Vibrations on a Centrifugal Compressor Caused by High Windage Heating on a Flexible Coupling–Root Cause Analysis and Solutions
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
Background: 2 parallel trains consisting of a Low Pressure (LPC) and High Pressure (HPC) compressors were supplied for an offshore reinjection application near the coast of Angola. During the commissioning on site large ...
Fast and Ultimate Vibration Field Solution: From Problem Detection to Field Performance Validation
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
Summary: The case. Initial analysis. Root cause analysis. Solution implementation. Results. Conclusions.
“Beating” Effect Caused by Two Closely Spaced Mechanical Frequencies Observed on Two-Shaft, Gas Turbine Drive
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
ENHANCING OIL PLATFORM AVAILABILITY AND RELIABILITY
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
As part of the Upgrade project of 1998/99 the Main Oil line (MOL) pumps were replaced with smaller pumps from NUOVA PIGNONE (NP), due to Three-phase separation. The new pumps were installed with John Crane (JC) Double ...
SOLVING SYNTHESIS GAS HIGH PRESSURE COMPRESSOR VIBRATION INSTABILITY
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
Qatar fertilizer company operates a huge fertilizer complex that manufactures Ammonia and Urea with a total capacity of 2 & 3 million tons each, being the world’s largest single site producer of Urea. The facility has four ...
Advanced Field Single PlaneTrim Balancing
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
Summary: Problem Statement: Trim Balancing of multiple units may imply schedule impact. Solution: Develop a single-shot procedure to embed balancing activity in the general commissioning. Results: Flawless start-up of 5 ...
Trouble shooting the problems of Dry Gas Seals and Systems in Centrifugal Compressors
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
HOT SPOTS IN TURBOEXPANDER BEARINGS: CASE HISTORY, STABILITY ANALYSIS, MEASUREMENTS AND OPERATIONAL EXPERIENCE
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
HOT SPOTS IN TURBOEXPANDER BEARINGS: DESCRIPTION OF THE MACHINE. ROTORDYNAMIC BEHAVIOR (ANALYSIS AND TEST). THE HOT SPOT PHENOMENON. ANALYSED AND TESTED MODIFICATIONS. CONCLUSIONS