CDL Blog

Will South Duvernay Oil Rates at Pembina Soar Like Cygnet?

Will Oil Rates in the WSB South Duvernay Oil Play Ramp Up?

The Duvernay South Oil play in the Pembina/Bigoray area in the West Shale Basin is in its infancy (figure1). Resource play development often follows a pattern of increasingrates in the early stages as operators refine completions strategies; flattening rates in the middle years; and then declining rates as the play moves out of sweet spots and into more fringe acreage (Lenko and Xie, 2018).

Cygnet Soars!

Figures 2a­-c show calendar day oil rates for horizontal Duvernay wells at Cygnet/Joffre, Twining/Huxley and Pembina/Bigoray. Oil rates in Vesta’s wells at Cygnet/Joffre in the East Shale Basin (ESB) show a nice acceleration with time, and the play has not yet reached the flattening out stage. Twining/Huxley (ESB) rates don’t show a clear upward trend, but the wells overall are good producers. The upward trend may be masked as rates at Twining are usually higher than at Huxley (Horton, 2019). At Pembina/Bigoray (WSB), a handful of wells operated by Baytex, Teine and Crescent Point came on-stream in 2018, with early rates generally less than 300 bopd. It will be interesting to watch this play develop, and time will tell if oil rates in this area will trend upwards.

References

Horton. J. 2019. Cracking the Duvernay at Twining. http://digest.canadiandiscovery.com/digest-spark/cracking-duvernay-twining

Lenko. M and Xie. J. 2018. IPs and Type Curves are Movin’On Up in the Duvernay. http://digest.canadiandiscovery.com/digest-spark/ips-and-type-curves-are-movin-duvernay

About the Author(s)

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Meridee joined Canadian Discovery in 2005 working with both CDL's Intelligence and Expertise groups as well as with data management and GIS personnel to streamline geological mapping techniques. Meridee plays a key role in Intelligence projects and products, including developing, editing and managing content for the CDL Digest and various multi-client and consulting projects. She has worked with Amoco in Calgary, Houston and London, gaining experience in Canadian and international exploration and development. Meridee holds a B.Sc. (Geological Engineering) from the University of Saskatchewan and an Applied Bachelor of Geographic Information Systems (GIS) from the Southern Alberta Institute of Technology.

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