Energy Drilling Co.

July 22, 2008

To Whom It May Concern:

We started using the Power Up line of additives and grease about four years ago and the Kleenoil filter system about three years ago. With the Power Up additives we saw about a 6% reduction in our fuel consumption along with lower temperatures, lower RPM's, less noise, etc. The Gen 49D fuel additives make your engines burn cleaner and also adds lubricity which is very important on diesel
engines because of the new low sulphur diesel.

The Gen 49D fuel additives cost about $.09 per gallon. So with gasoline and diesel currently selling at about $4.50, a 6% reduction in fuel consumption saves $.27 per gallon minus the additive cost of $.09 for a net savings of $.18 per gallon. Plus you get the indirect savings of less wear and tear on the engine due to less rpm's, lower temperatures, etc.

We are saving even more money with the lubricants for oil, transmissions, gear oil, etc. We were changing our engine oil on our rigs every 250‐500 hours depending on the type of engine. By adding the Power Up product to our engine oil we were able to extend that oil change to 1500 hours all determined by regular oil analysis. However, when we tested the new Kleenoil filter system, we still had good oil at "5000 HOURS" and made the decision to use the Power Up additives and Kleenoil filter systems on all of our engines. We
now change our oil at 2000 hours rather than the 250‐500 hours mentioned above which has extended our oil life 4‐8 times.
Again, you also get the added value of less temperatures, rpm's, more lubricity, etc. We have oil analysis run at 1000 hours and based on ISO standards our oil at 1000 hours is better than new oil.

One big question is how this affects warranties. We are spending about $5.0M on new CAT engines from Puckett and none of these practices will affect our warranty.

Thanks, Pat

Pat Burns, Jr
General Manager
Energy Drilling Company
P.O. Box 905
Natchez, Ms.39121
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