Progressing Cavity Pumping Systems Overview …

2015 Weatherford. All rights Cavity Pumping Systems Overviewwith a Focus on Coalseam Gas ApplicationsSPE Queensland BrisbanePresented by Lonnie DunnMarch 9 2015 2015 Weatherford. All rights PC Pumping Systems History and Introduction CSG Applications & Differences from Mainstream PCP_____ Pumps Elastomers Geometries Pump Sizing and Testing_____ system Design and Configuration Pump Assemblies Surface Equipment and Monitoring & Control Drive Strings Common Pump Failures and Other Problems Summary 2015 Weatherford. All rights Lift TechnologiesFoamLiftPlungerLiftHydraulic LiftESPGas LiftRodLiftPCP 2015 Weatherford. All rights Lift Market Share by Type(based on dollars spent)ESP54%RRP25%PCP7%GL4%PL3%HL2%Other 5%From Spears Oilfield Market Report, Oct, 2011 2015 Weatherford. All rights system Estimated Well Count 70 to 80K30004000 2015 Weatherford. All rights Cavity Pump History Rene Moineau develops the concept for a series of helical gear pumps one of which is what is now know as the Progressing Cavity (PC) pump Moineau licensed several major manufacturers in the US, UK and Germany; as surface fluid transfer pumps, wide range of displacements but low pressure Downhole motors (power sections) developed for oilfield drilling applications Experimentation with PC pumps for oilfield downhole artificial lift ()

© 2015 Weatherford. All rights reserved. 1 Progressing Cavity Pumping Systems Overview with a Focus on Coalseam Gas Applications SPE Queensland Brisbane

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