The members and officers of the SPWLA Tulsa Chapter are proud to revive one of the founding chapters of this prestigious International Society.  Please join us as we continue to promote and advance the science of formation evaluation.

Meetings will be held on 2nd Thursdays (except January will be the 3rd Thursday) bimonthly beginning September 12, 2019, 
11:30am – 1:30pm

The University of Tulsa, Room 121 of Helmerich Hall

800 S Tucker Dr, Tulsa, OK 74104

Interactive campus and parking maps at


Lunch will be provided

$25 for professionals and FREE for students with student ID

 Registration  LINK ( Click here) SPWLA account is required or you will need to create an Account


For catering purposes, reservations must be made no later than 5 days prior to the meeting.

Make your reservations online through the Tulsa Chapter web page at or by emailing

A parking pass will be sent to you prior to the meeting.

Cash and checks only will be accepted at the door. 

SPWLA Tulsa Chapter 2019-2020 Luncheon Speakers:

September 12, 2019

James J. Howard - DigiM Solution  
Machine Learning Methods: Analysis of Rock Images and Beyond

We had a great turnout for the first luncheon meeting of the restarted SPWLA Tulsa Chapter.  It was a full house!  Thank you to our wonderful inaugural speaker who drew guests from as far away as Norman and Oklahoma City.  Thank you to everyone who came to the event and made it a huge success!

November 14, 2019

Paul Craddock Schlumberger-Doll Research Center, North America
Thermal maturity-adjusted log interpretation (TMALI) in organic shales

Authors: Paul Craddock, Rick Lewis, Jeff Miles, and Drew Pomerantz (Schlumberger)

Tulsa Chapter’s November meeting was well-attended for Paul Craddock’s presentation on Thermal maturity-adjusted log interpretation (TMALI) in organic shales…and we got to make tamale jokes.  Again, we had someone drive all the way from Oklahoma City to attend.

DECEMBER 12, 2019
It was a beautiful Tulsa evening, perfect for gathering with friends!

January 16, 2020

Melanie Durand - Shell
Crushed Rock Analysis Workflow Based on Advanced Fluid Characterization for Improved Interpretation of Core Data

A handsome group turned out for Melanie's presentation.  We hope to have her back to update us on her ongoing research.

February - March 2020
Nomination and Election of Officers for 2020-2021 
Make sure your SPWLA National Membership is current to participate
Our Nominating Committee will be reaching out to membership soon!!!

The March 12, 2020 Tulsa Chapter SPWLA Meeting was Canceled due to the Closure of the University of Tulsa Campus and concerns about Covid19.   We are planning an early fall Webinar for Chelsea Newgord - UT Austin, our planned speaker.

The May 21, 2020 Tulsa SPWLA Virtual meeting failed due to having + 250 people trying to access GoToMeeting at the same time!  We will try again with a different application.

Announcing - Take 2 - Tulsa SPWLA Chapter Virtual Meeting - May 28, 2020, 11:30 am to 12:30 pm.
The Link for meeting application will be attached to the email announcement.  If you don't receive the email announcement, please contact us at

Michael P. Smith, PhD - Advanced Hydrocarbon Stratigraphy (AHS)
Present Day Oil, Gas, Water, CO2 and Reservoir Properties from Cuttings Volatiles. An Exploration, Production, and Carbon Capture and Storage (CCS) tool

AHS’s VAS technology marketed by Baker Hughes is a breakthrough patented cuttings and core analytical technology providing high value well logs having a multitude of information at low cost and without the cost of any additional rig time.

The goals of our cuttings Volatiles analyses include:
1) Providing Well Logs generated from cuttings detailing a host of attributes for horizontal wells, and vertical wells, at a low cost, and for which there is no additional Rig time required.
2) Picking landing sites from pilot holes in real time,
3) 24-hour analyses of cores on a 3 foot sampling basis for oil saturation, relative Permeability, and Mechanical strength

We work on new cuttings, old cuttings, OBM and WBM wells, PDC and Rock bits, and cores. Samples from both horizontal and vertical wells are evaluated. We analyze either sealed at well samples, or washed and dried samples that we load in the lab.

We have developed unique capabilities for quantitative analyses of formation water in cuttings that allows us to map pay by generating total water Sw logs, as well as macro Sw and micro Sw curves from cuttings (patents pending).

Our 2 main focuses are Pay and Reservoir.

For pay we focus on where is the pay, what is the pay, what is the pay’s quality, how much will the well produce, how will the stages produce, and which if any stages have been already drained by parent-child interactions, or natural conduits such as faults.

For reservoir our focus is permeable versus tight, Mechanical Strength, geohazards especially faults, and we are developing a natural tracer product from our cuttings analyses to evaluate/predict stage performance.

Formic and Acetic organic acids, and inorganic gases including He, CO2, and a variety of Sulfur gases are also analyzed and integrated into our pay and reservoir evaluation.
We analyze the very small amounts of present day product still held in the PDC cuttings. Our sample prep and analyses are very gentle so as to preserve and analyze all the oil and gas still held in the cuttings

We have recently recognized that our technology can be used to evaluate the long term viability of CO2 sequestration reservoirs.  CO2 reservoirs can be compromised both by natural features, such as faults, or by leakage out of exiting oil and gas wells.  Examples will be shown documenting CO2 loss from the subsurface encountered by several horizontal oil wells.  One lateral shows a large section of CO2 loss associated with a 25 year old vertical well that the horizontal well's trajectory came close to.  Another well shows major CO2 loss near the heel of the lateral where a large fault is approached.  One well, out of set of 10 limestone laterals in a 2 county area, crosses a major fault and shows extreme CO2 loss.  In another area a high temperature gas lateral shows CO2 migration into the drilled formation, with the CO2 originating from a deeper carbonate formation.  Use of old and new drill cuttings and core can greatly extend the geologic time investigated for CO2 reservoir viability.

Mike Smith, the inventor of VAS, received a PhD. In Geology and Geophysics from the University of Hawaii in 1981. Mike was at Amoco Research for 10 years where he invented FIS, Fluid Inclusion Stratigraphy, now owned and marketed by Schlumberger. Mike resigned from Amoco and started AHS in 1994. At AHS Mike invented FIV, Fluid Inclusion Volatiles. Mike sold FIV to ExxonMobil URC in 1999, and consulted for URC on and off until 2009. Mike restarted AHS in 2010 and developed VAS, Volatile Analytical Services, which analyzes trace amounts of present day formation fluids in cuttings and cores. AHS teamed up with BH to market VAS worldwide in 2018.

Reach out to us with any questions you may have regarding membership in SPWLA, our luncheon meetings and distinguished speakers, or just drop us a message and let us know how you are and what you are doing.  We would love to hear from you!

SPWLA Tulsa Chapter's email address is

...or you can send a letter to our post office box: 
SPWLA Tulsa Chapter, PO Box 14495, Tulsa OK 74104-9998


President: James Howard

Vice President of Technology: John Stachowiak

Treasurer/Secretary: Patrick Ryan