Denver Well Logging Society

October 2017 Newsletter

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Tying the Data Together: A 4-Dimensional Look at Wellbore Production

Patrick Hayes


Understanding individual horizontal well stage performance and tying in expectations based upon reservoir properties, geology, petrophysics, geochemistry and geosteering results, along with stimulation observations is key to both best practices and well design improvements.

The presentation will illustrate the use of 4D data as an evaluation tool to review drilling, stimulation, geophysics, geology, including petrophysical and geochemistry data. It will provide case studies comparing actual stage tracer production results with pre-completion data, petrophysics and geophysical expectations (from seismic, petrophysical logs, landing zone, etc.).

It also allows a correlation between zonal productivity and drilling, stimulation, and production design. Using this knowledge, the operator can amend future well development plans with a greater confidence that the changes made will result in enhanced ultimate hydrocarbon recovery.

Speaker Biography

Patrick has 13 years with Tracerco performing various operational and managerial roles in the upstream and downstream areas. Patrick has worked with upstream, midstream and downstream business units to enhance production for clients and help with gaining efficiencies. While working for Tracerco overseas Patrick was responsible for the operations and management of the projects performed in the North Sea, Europe, Middle East, and parts of West Africa.
In the US, Patrick has managed the Subsea and Reservoir teams and is now focused on the reservoir business development to work with operators to gain operating efficiency and better exploit reservoirs.
Make Reservation
Please note that this month the luncheon will be on Monday!!!
Use the PayPal link above to make your luncheon reservation

If you are registering for someone else or using a PayPal account that is not in your name, please click here to send us an email with the correct registrant information. You should also use this link if you are registering multiple people; please provide the name and company affiliation for each registrant.

Forward this newsletter to a friend to invite them to the luncheon.


Monday, October 16, 2017
Note that we had to change the date for this month's talk due to a conflict at the Wynkoop!!!
11:20 am - 1:30 pm


Wynkoop Brewing Company
(tell me how to get there)


$20 per person
$25 at the door (space permitting)

Next Month's Talk

"Mixed Reservoir Wetting in Unconventional Reservoirs and Interpretation of Porosity/Resistivity Cross Plots, Derived From Triple-Combo Log Data"
Michael Holmes
Digital Formation

Reservations and Cancellations

Reservations must be made using the PayPal link above or on the DWLS website; reservations must be made by 5 PM the Thursday prior to the talk. Cancellations may be made until 5 PM the Friday prior. Email your cancellation or contact Dominic Holmes at 303-770-4235. Our full cancellation/wait list policy is available on the website.

From the Director of Social Events

Jesse Havens

Save the Date!

The leaves are turning and winter is coming... which means our holiday social is just around the corner! We will be holding this year's holiday party at the Rialto Cafe on Tuesday, November 28 from 4:30-6:30 pm. Food and beverages will be provided and the Rialto Cafe is offering $4.00 discounted parking passes to the Independence Plaza underground Structure located between the 16th street mall and 17th street, what a deal. So come on out for food, drinks, and networking with your fellow loggers. Look for registration details in next month's newsletter. 

See you there!

From the Treasurer

Richard Rosen

For Fiscal Year Ending June 30th:

Current Balance = $51,186
Revenue = $30,177
Expenses = -$23,283

As in previous years the bulk of our revenue derives from membership fees and workshops along with amounts from sales of newsletter advertising sponsorships. Similarly most of our direct expenses come from monthly lunches, workshops and assorted amounts from awards, etc.

Calendar of Events

Click the calendar to the right to view events on the web.

Other Important Events

2017 SPWLA Fall Topical Conference, November 1-2, 2017 (Houston, TX) - Quest for Quality Data in High Angle/Horizontal (HAHZ) Wells
2018 SPWLA Annual Symposium, June 3-6, 2018 (London, England)

The Discovery Group
MHA Petroleum Consultants
Digital Formation
Donovan Brothers Incorporated
Mount Sopris Instruments

DWLS Sponsors

Click here to view the sponsors on the website, or click on any image to contact a sponsor.

Chapter Statistics


This Year

3-Year Average

# of Active members * 358 375
# that are New members 2 12
# that are Students * 7 11
# that are Lifetime Members * 256 311
September luncheon meeting attendance 53 60
October luncheon meeting attendance   71
November luncheon meeting attendance   60
Holiday party attendance   44
January luncheon meeting attendance   65
February luncheon meeting attendance   67
March luncheon meeting attendance   53
April luncheon meeting attendance   54
May luncheon meeting attendance   49
Summer social attendance   22
* 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.
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.
Copyright © 2017 Denver Well Logging Society, All rights reserved.

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