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October Luncheon
October Luncheon

Tue, Oct 17


Bush Convention Center

October Luncheon

"Characterizing and Delineating Mass Transport Deposits in the Delaware Basin: an Integrated Workflow Using Image Logs and Core" - Jarret Borell, Senior Advising Petrophysicist, Devon Energy

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Time & Location

Oct 17, 2023, 11:30 AM – 1:00 PM CDT

Bush Convention Center, 105 N Main St, Midland, TX 79701, USA


About The Event

Please RSVP by 3:00pm on Friday, October 13, 2023.

Reservations made after the deadline will incur an additional fee of $10.

Thanks to Premier Corex for Sponsoring our September Luncheon!

LOCATION: In-Person luncheon meeting will be held at the Bush Convention Center. Virtual meeting on Zoom. 

TOPIC: "Characterizing and Delineating Mass Transport Deposits in the Delaware Basin: an Integrated Workflow Using Image Logs and Core." - Jarret Borell, Senior Advising Petrophysicist, Devon Energy

ABSTRACT: This study presents an integrated workflow, using image logs calibrated to core, to identify and delineate deep-water mass transport deposits (MTDs) in the Bone Spring and Wolfcamp Formations in the Delaware Basin. Mass transport deposits (i.e., debris flows, slumps, slides) can be prospective reservoir targets or drilling hazards depending on the character and associated properties of the deposit. Identifying MTDs is critical when trying to constrain appropriate levels of uncertainty regarding lateral continuity of well log-correlations and petrophysical properties of the reservoir. Matching petrophysical properties to production may be challenging in zones that are laterally highly variable.

Image logs provide direct evidence of deformation features and facies associated with MTDs that are not resolvable from standard logs, and in some cases, seismic. The characterization of MTD features involves integrating over 40 cores (thousands of feet) and over 140 image logs. Systematic description of deformation features in core are integrated with image logs to identify regional MTDs spanning tens of miles in the subsurface. The results will show examples of MTD features that include deformed bedding, bed-scale normal- and reverse-slip faults, folded and overturned bedding, debrites, and repeated sections in core and image logs. Characteristic bed dip patterns observed in MTDs will be shown in large regional cross sections to illustrate how these patterns can aid well log correlations and mapping.

Applying this workflow regionally has been essential in understanding sediment deposits, explaining regional changes in thickness, and informing depositional models and play concepts.

BIO: Jarret Borell is a senior advising petrophysicist at Devon Energy specializing in borehole image log interpretation. His current responsibilities include structural and stratigraphic interpretations for integration with geological, geomechanical, and completion models across all of Devon’s US onshore basins. Jarret holds a B.S. and M.S. in geology from Kansas State University and has a combined 25 years of industry experience with previous employers including Halliburton, Fronterra Geosciences, and SandRidge Energy.

Josh O’Brien is a senior staff geologist at Devon Energy, where he works with an integrated Delaware Basin asset team. He joined the company in 2017. With experience in the Delaware, Powder River, and Anadarko basins, O’Brien’s expertise includes core and facies description, process sedimentology, stratigraphy, data integration, and reservoir characterization. He holds a B.S. in geology from Juniata College and a Ph.D. in geology from Iowa State University.


  • Pre-Registration

    This ticket is for the luncheon purchased before the deadline. You may pay online or choose to pay at the door at checkout.

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  • Student

    This ticket is for current students purchased before the deadline (full time students only). Please bring student ID to check in. You may pay online or choose to pay at the door at checkout.

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  • Virtual

    This ticket is to watch the luncheon live on Zoom. Current PBS-SEPM Members are able to watch the virtual luncheon at NO COST. Reach out to us if you did not receive your member promo code.

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  • Luncheon Sponsorship

    Become a Luncheon Sponsor! Includes 2 Luncheon Tickets and opportunity to promote your company at the beginning of the luncheon for up to 3 minutes. Your logo will be included on [1] All Luncheon Advertisements (Social Media and Emails), [2] Full Page Advertisement on Luncheon Slides for that Month, [3] Luncheon Event Webpage, and [4] Table Signs. You may pay online or choose to pay at the door at checkout.

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