Horse Casing Slipstream

Casing Slipstreamers – From Idea to Reality ,[object Object],[object Object]

Area of Interest: Canadian Map NYSE: DVN www.devonenergy.com page B.C. SASK. Pacific Ocean Deep Basin South Area of Interest ALBERTA Karr Placid Wild Resthaven Horse Olsen/Pinto 41 Prod Wells Average 60% WI Net Sales of 27 mmscfd

Remote Operations Area – Limited Access to Well Sites NYSE: DVN www.devonenergy.com page

Deep Basin South: Multi-zone Potential NYSE: DVN www.devonenergy.com page ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],885 m 5-22-58-2w6 CRDZ 8-16-58-2w6 Thrusted CRDM sand Dunvegan Bsl Dunvegan Cadotte lower FLHR CDMN

102/7-2-59-25W5M Well Summary Sheet NYSE: DVN www.devonenergy.com page Tubing – 2 3/8 ” Casing - 5 ½”

Area History ,[object Object],[object Object],NYSE: DVN www.devonenergy.com page

Critical Rate Graph for 60.3 mm TBG & 139.7mm CSG producing @ 3000 kPa NYSE: DVN www.devonenergy.com page Casing critical rate 100e3m3/d Tubing critical rate 24 e3m3/d

102/7-2-59-26W5M IPR / Tubing Performance Curve NYSE: DVN www.devonenergy.com page

How can we mitigate the production loss? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],NYSE: DVN www.devonenergy.com page

Theory of Casing Slipstreaming ,[object Object],[object Object],NYSE: DVN www.devonenergy.com page

Simplified Flow Schematic NYSE: DVN www.devonenergy.com page

102/7-2-59-26W5M Gas Production NYSE: DVN www.devonenergy.com page

Attempted to find solutions to this production loss ,[object Object],[object Object],[object Object],NYSE: DVN www.devonenergy.com page

Developing A Solution ,[object Object],[object Object],[object Object],NYSE: DVN www.devonenergy.com page

Control Philosophy ,[object Object],[object Object],[object Object],NYSE: DVN www.devonenergy.com page

Simplified Casing Slipstreamer P&ID NYSE: DVN www.devonenergy.com page

102/7-2-59-25W5M prior to piping modifications NYSE: DVN www.devonenergy.com page

Overview of the 102/7-2-59-26W5M site. NYSE: DVN www.devonenergy.com page RTU and Solar Panels Separator Package Line heater Thermoelectric Generator (use propane for added reliability) Casing Slipstreamer assembly

102/7-2-59-25W5M after required piping modifications NYSE: DVN www.devonenergy.com page Orifice flanges -simple meter run Baker choke with Electronic actuator Bristol Flow Computer

SCADA Wellsite Overview Page NYSE: DVN www.devonenergy.com page Casing Flow Tubing + Casing Flow

SCADA Casing Flow Controller Screen NYSE: DVN www.devonenergy.com page Calculated TBG Critical Rate Control Setpoint

Casing Slipstreamer Approximate Costs NYSE: DVN www.devonenergy.com page ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Valuation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],NYSE: DVN www.devonenergy.com page

TODAY AT LELAND HORSE ,[object Object],[object Object],[object Object],[object Object],NYSE: DVN www.devonenergy.com page

Conclusions and Learning's ,[object Object],[object Object],[object Object],[object Object],[object Object],NYSE: DVN www.devonenergy.com page

Conclusions and Learning's ,[object Object],[object Object],[object Object],NYSE: DVN www.devonenergy.com page

QUESTIONS? NYSE: DVN www.devonenergy.com page

THANK YOU NYSE: DVN www.devonenergy.com page Special thanks to Dave Stokes who was a huge believer and proponent of this project

Horse Casing Slipstream

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