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Jim Rutherford (510) 242-3410 jaru@chevrontexaco

Cat C13 Pre-Matrix Oil Consumption Data Analyses Presented to C13 Task Force San Antonio February 21, 2005. Jim Rutherford (510) 242-3410 jaru@chevrontexaco.com. Summary. What is the goal?

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Jim Rutherford (510) 242-3410 jaru@chevrontexaco

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  1. Cat C13Pre-Matrix Oil ConsumptionData AnalysesPresented to C13 Task ForceSan Antonio February 21, 2005 Jim Rutherford (510) 242-3410 jaru@chevrontexaco.com

  2. Summary • What is the goal? • Find how much end of test oil consumption has increased from some beginning of test, stabilized, oil consumption? • Find some measure of end of test oil consumption versus some measure of early test oil consumption that maximizes the difference between these two oils in these six tests? • If the former, the first chart indicates these six tests are inconclusive. • If the latter, the second chart indicates a few measures appear to work for these six tests. However, this analysis is incestuous. We should be suspicious about whether these measures would continue to provide separation with future tests especially with other oils. The following slides show how the picture changes for various measures. Cat C13 Pre-Matrix Oil Consumpiton

  3. Absolute Oil Consumption (g/hr) OilA OilD OilD OilA OilD OilA Cat C13 Pre-Matrix Oil Consumpiton

  4. Various Calculations of Percent Increase p=0.15 p=0.03 p=0.03 p=0.49 p=0.02 p=0.13 p=0.30 p=0.18 OilA OilD OilD OilA OilD OilA Cat C13 Pre-Matrix Oil Consumpiton

  5. OC Normalized to OC75 OilA OilD OilD OilA OilD OilA Cat C13 Pre-Matrix Oil Consumpiton

  6. OC Normalized to OC125 OilA OilD OilD OilA OilD OilA Cat C13 Pre-Matrix Oil Consumpiton

  7. OC Normalized to OC175 OilA OilD OilD OilA OilD OilA Cat C13 Pre-Matrix Oil Consumpiton

  8. OC Slopes OilA OilD OilD OilA OilD OilA Cat C13 Pre-Matrix Oil Consumpiton

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