Data discrepancyA significant inconsistency appears in your recent article by Steve Shu, Francis Christiano, and Malcolm Harrison, "Analysis points to electric-motor drivers for Angola LNG" (OGJ, Oct. 7, 2002, p. 60). In part, Table 3 in this article shows the following: Click here to enlarge imageThe figure 270 hr/year for gas turbines plays a large role in determining the conclusions contained in the article: Motors are favorable over gas turbines for the Angola LNG plant.The article cites "Use Equipment Failure Statistics Properly" by Heinz Bloch and Fred Geitner (Hydrocarbon Processing, January 1999). In part, that article shows the following data: Click here to enlarge imageI suspe...

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