Advantages of the Variable Frequency Generator …

1 Advanced Thinking >>> Down to Earth Service >>> Advantages of theVariable Frequency Generator (VFG) Worldwide Patent PendingPresented By: Juergen Schulz, Canadian Advanced Authored By: Andy Limanowka, Canadian Advanced Inc. Dana Pettigrew, Nexen International PetroleumAdvanced Thinking >>> Down to Earth Service >>>What is a VFGVARIABLE Frequency Generator (VFG) Power Generator that varies Frequency and Voltage output Operates 30-70 Hz, 400-5000 Volts For use with ESP s & other Variable Torque Loads requiring Variable speed Eliminates Variable Speed Drive and Transformer Developed by: Canadian Advanced Inc. With Nexen International & Finning Canada (Caterpillar)Advanced Thinking >>> Down to Earth Service >>>How the VFG works Reduced Speed Start Reduced Voltage Start Control Module controls.

2 Voltage, Current & Hz (RPM) Diesel or Natural Gas Enginewith Governor Motor Protection SCADA/CommunicationPowerGeneratorGenerat orControl/MotorProtectionWellESPA dvanced Thinking >>> Down to Earth Service >>>Start-up traces (40Hz Ramp Start)Ramp StartNominal full load Volt 3480V@60 HzNominal full load Amps 90A@60Hz2sec for system stabilizationsinrush current x full load current0500100015002000250030003 4 5 6 7 8 9 101112131415 TIME [s]VOLTS020406080100120140160180200 AMPSGen VoltsGen Current3508 CAT; 12000 BPD pump and 644HP/3480V/117A motorAdvanced Thinking >>> Down to Earth Service >>> Advantages of VFG Lower Capital & Maintenance Cost More Efficient System, less Diesel fuel Smaller Engines required to Drive Large ESP s No Harmonics, spikes or mirroring Increase Production Easy to Use Fully Integrated System Touch Screen OperationAdvanced Thinking >>> Down to Earth Service >>>VFG Advantages Improved Run Times Voltage / Current Optimization Hard Starting Advancements Recoverable Asset (Compared to High Line)

3 Smaller Foot Print-Offshore ApplicationsAdvanced Thinking >>> Down to Earth Service >>>System ComparisonPowerGeneratorVariableSpeedDri veLoadFilterStep-UpTransformerPowerGener atorGeneratorControl/MotorProtectionTypi cal Variable Speed Drive SystemVariable Frequency Generator System (Less Equipment)Typical Switchboard SystemPowerLineSwitchboardStep-UpTransfo rmerESPESPESPA dvanced Thinking >>> Down to Earth Service >>>Lower Capital / Maintenance cost Engine Matched to Full Load of ESP Low Frequency Soft Start-up No Need to Oversize Engine VFG = X Nameplate Current Switchboard = 6-8 X Nameplate Current Eliminates VFD & Transformer Capital Cost Eliminates VFD Maintenance CostAdvanced Thinking >>> Down to Earth Service >>>Capital cost comparisonCapital Cost Comparison.

4 3512 CAT 900 ekWEngine&GeneratorEngine&GeneratorVFGC ontrollerVFD&Step-up TransformerTraditional VFDVFG SystemAdvanced Thinking >>> Down to Earth Service >>>Maintenance cost comparisonMaintance Cost Comparison, 3512 CAT 900 ekWEngine&GeneratorEngine&GeneratorVFD&S tep-up TransformerVFG ControllerTraditional VFDVFGA dvanced Thinking >>> Down to Earth Service >>>Fuel cost comparisonFuel Cost Comparison, 3512 CAT 900 ekWVFGFuelConsumptionTraditionalVFDFuelC onsumptionTraditional VFDVFGA dvanced Thinking >>> Down to Earth Service >>>Output Waveform VFD vs VFGT ypical VFD Output Waveform - UnfilteredTypical VFG Output WaveformAdvanced Thinking >>> Down to Earth Service >>>Improved Run Times Soft starts reduce shaft stress Cable runs cooler longer life Motor runs cooler longer life No voltage spikes ideal sine wave w/o any filterRESULTS:Longer ESP Electric and Mechanical System Life Reduced Electrical LossesAdvanced Thinking >>> Down to Earth Service >>>Increased Production (Heijah 49) Improve Efficiency by 5-10% Less Heat!

5 VFG eliminates Heat and Turns to Oil Production Example for Maximum of 3508 CAT Diesel Generator , 562 Series CKC12000, 650 hp ESPVFG SystemMaximum Frequency = 63 HzGross Fluid = 12,400 bbl/dayNet Oil (90%WCT)=1240 bbl/dayTraditional VFD & Transformer Maximum Frequency = 58 HzGross Fluid = 11,600 bbl/dayNet Oil (90%WCT) =1160 bbl/day Production increase of 80 bbl/day of oil At $ 65/bbl add l revenue of $ per day Increase of annual revenue of over $ 1,8 Mio. Return of initial CAPEX in less than 3 monthsAdvanced Thinking >>> Down to Earth Service >>>Increased Production (Qataban 11)0100020003000400050006000 TDH, ft0500010000150002000025000 Liquid + Gas Rate, Bbl/DCLift 562 KC16000 / 86 Stgs / HzPump Performance (TDH @ Design)Q11 VFG : Nexen Inc.

6 - Nexen Curve , Case 1 Well System Curve , Case 1, (Truncated)Pump Curve , Case 2 Well System Curve , Case 2, (Truncated)Min-Max Optimum Rate On a VSD at 114 Amps and Hz, 18,250 bfpd RED SOLID LINE On a VFG at 114 Amps and Hz, 19,550 bfpdBLUE DASHED LINE VFG measured benefit of an extra 1,300 bfpd for a Thinking >>> Down to Earth Service >>>VFGE ntire unit prepared for shipmentAdvanced Thinking >>> Down to Earth Service >>>VFGC ontrol panel during testingAdvanced Thinking >>> Down to Earth Service >>>VFGC anadian Nexen Yemen (Heijah 49)Advanced Thinking >>> Down to Earth Service >>>VFGT ouch-pad controlsAdvanced Thinking >>> Down to Earth Service >>>VFGT ouch-pad controlsAdvanced Thinking >>> Down to Earth Service >>>VFGT ouch-pad controlsAdvanced Thinking >>> Down to Earth Service >>>When to use a VFG Every time a Generator is used on an ESP Temporary or Permanent Installation Portable Well Testing Areas of Power Quality Problems Weak or Insufficient Supply Power Other Applications PCP, Beam Pump, Ships, Fans, Thinking >>> Down to Earth Service >>>QuestionsFor more information or pricing contact.

7 Juergen Schulz or Sid DegenCANADIAN ADVANCED ADVANCED AVENUEEDMONTON, ALBERTA, T6B 2J1 PHONE: 780-469-0770 FAX: 780-450-4592 Advanced Thinking >>> Down to Earth Service >>>Thank you for your attentio