Abstract
Well spacing and hydraulic fracture design optimization are among the most important challenges confronting companies operating in unconventional reservoirs. Reservoir simulation and/or rate transient analysis can help guide development decisions, but these calculations can be affected by non-uniqueness. Model calibration that relies on production and pressure history alone often fails to uniquely resolve important differences in productivity and fracture geometry. Diagnostics such as distributed acoustic sensing, microseismic, and sealed wellbore pressure monitoring capture total hydraulic fracture extent but do not characterize the producing behavior, which ultimately drives asset financial performance. This work demonstrates that tracers and geochemical production allocations can be used to reduce model non-uniqueness. Models that couple hydraulic fractures and reservoir simulation of wells in different landing zones and regions of the Midland Basin were calibrated using quantitative tracer analysis and geochemical production allocations, shared in case studies. This work reveals the connection between completions, geomechanical inputs (such as minimum horizontal stress and toughness), and geochemical production allocations as demonstrated by the vertical distribution of proppant. This work also identifies the roles that well spacing and drawdown play in time-lapse geochemical production allocations and tracer recovery. Both techniques are discussed in more detail in two URTeC 2022 papers, “Using Quantitative Tracer Analysis to Calibrate Hydraulic Fracture and Reservoir Simulation Models: A Permian Basin Case Study” and “Using Geochemical Production Allocation to Calibrate Hydraulic Fracture and Reservoir Simulation Models: A Permian Basin Case Study.”
Speaker Biography
Maggie Albrecht is a Senior Reservoir Engineer at SM Energy in Denver, CO. She is actively involved in reservoir characterization, field performance surveillance, and using simulation to understand and optimize performance. She has worked conventional and unconventional plays including offshore Equatorial Guinea, Gulf of Mexico, Bakken, Western Canadian/Liard Basins, the Permian Basin, and South Texas. She previously worked for Apache Corporation and Hess Corporation and has a degree in Chemical Engineering from the University of Notre Dame.
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From the President
Tamara Maxwell
Hi DWLS members,
Welcome to the 2022/2023 season of DWLS! What a different place we are in this year versus last year, while writing this letter WTI prices are at $86.
I am very excited to be serving as your president this year and am looking forward to some insightful lunch talks! For some quick background on me, I got my start as a logging engineer and shortly after that a Petrophysicist. I am now with a new technology company, called DarkVision, which has built an ultrasound tool focused on near-wellbore measurements. I always appreciated SPWLA throughout my career as a great way to learn, expand my knowledge and connect to others with similar interests. I am happy to be giving back to the organization this year and to play an active role!
I look forward to hearing about new projects and technologies, as I know log analysis is playing a key role not just in the oil and gas industry, but for up-and-coming industries such as carbon sequestration and geothermal.
I can’t wait to see or meet you all and kick off the season!
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From the VP - Technology
Katerina Yared
Hello dear DWLS members and friends,
I am back! 😊
As VP Technology for the DWLS 2022-2023, I am very excited to delivered to you a great technical program with exciting lunch and learn knowledge share opportunities and more. I have a couple of SPWLA distinguished speakers lined up as well as some recent URTeC 2022 talks that you might find interesting and value them as a great learning opportunity. I look forward in collaborating with the great board again this year and help providing you with great talks. I am in the process of finalizing the lineup of speakers and look forward to seeing everyone soon!
We have a URTeC 2022 talk “Hydraulic Fracture and Reservoir Simulation Model Calibration using Quantitative Tracer Analysis and Geochemical Production Allocations” by Maggie Albrecht (SM Energy) for September and an SPWLA DS 2022 talk “Deep Learning for Multiwell Automatic Log Correction” By Vanessa Simoes (Schlumberger) for November to name a few.
We will be sending out a survey to gauge what topics would be of interest for a Spring workshop and hope to see you at some of the social events we plan on having thanks to our social event director Camilo Uribe.
See you soon!
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From the VP - Membership
Chad Linzman
Lifetime members you can stop reading here. For those who choose the annual membership option this message is for you! Now is the time to renew for next year so you can continue to receive the monthly newsletter and gain access to the great set of speakers we have lined up next spring for the monthly luncheons.
To renew please visit the DWLS homepage and go to the bottom. There you can find a link to PayPal where you can continue your $10 annual subscription or step up to the lifetime membership for $75 and relieve some of the FOMO you may be experiencing for future DWLS functions.
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Calendar of Events
Click the calendar to the right to view events on the web.
Other Important Events
2023 SPWLA Annual Symposium, June 11-14, 2022 (Conroe, TX)
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DWLS Sponsors
Click here to view the sponsors on the website, or click on any image to contact a sponsor.
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Chapter Statistics
Statistic
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This Year
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3-Year Average
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| # of Active members * |
270 |
296 |
| # that are New members |
2 |
2 |
| # that are Students * |
10 |
7 |
| # that are Lifetime Members * |
246 |
258 |
| September luncheon meeting attendance |
|
40 |
| October luncheon meeting attendance |
|
33 |
| November luncheon meeting attendance |
|
45 |
| Holiday party attendance |
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26 |
| January luncheon meeting attendance |
|
47 |
| February luncheon meeting attendance |
|
38 |
| March luncheon meeting attendance |
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26** |
| April luncheon meeting attendance |
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36** |
| May luncheon meeting attendance |
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36 |
* Note that we did a thorough cleanup of bad email addresses that resulted in some of our members being removed until they can be tracked down again. So this year's membership numbers are going to be a bit lower.
** These numbers are skewed due to COVID-19 luncheon cancellations.
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The DWLS Newsletter is published monthly September through June by the Denver Well Logging Society. For information on membership or advertising, contact the editor. For other inquiries, contact a member of the Board of Directors.
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