1. Installation of Pump-Off Control Technology in Goldsmith-Cummins Deep Unit Marietta College 23 March 2005

2. Introduction  Background  Problem & Solution  Technical Description  Field Criteria & Compatibility  Costs  Method  Qualification  Conclusion

3. Background  Goldsmith-Cummins Deep Unit  Location West Texas – Permian Basin  Field Properties Discovery Production Infill Drilling 5 spot water-flood Rod Pump System Figure 1 – Permian Basin

4. Problem & Solution  Problem Current well run-time control  Does not allow run time customization Excessive costs  Wasted Electricity  Rod Failures  Premature Pump Failure  Solution Pump-Off Control Technology Benefits  Reduces run time  Diagnose down-hole problems

5. Technical Description  Rod-loading pump-off controller Load cell Position Sensor Control Interface Tools Parameters Alarms

6. Field Criteria & Compatibility  3 Requirements 1. Primarily liquid production 2. Rod pumped field 3. Hospitable environment

7. Costs – Individual Unit  eProduction Solutions CAC 2000 Individual Installation Cost Control Interface with full graphics display $ 1,700.00 Stainless Steel Polished Rod Load Cell $ 385.00 Continuous Position Device $ 350.00 Load Cell Cable $ 95.00 Installation $ 500.00 Total $ 3,030.00

8. Costs – Total Program

9. Costs – Potential Savings  $15,420 potential savings per year.  Payout: 72 days

10. Method  Two Steps 1. Test Program 25 problematic wells Training Evaluation after 6 months 2. Full Program 105 remaining wells in GCDU  Timeline 8 months

11. Qualification  Education Knowledge of rod-pumping and dynamometer cards.  Experience Anadarko Petroleum Corp. Intern: TXL North Unit

12. Conclusion  Next Step Authorization for Expenditure (AFE)  Review  Questions