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|AAPG Members||$1,795||$1,995||Non Members||$2,095||$2,295|
Log Analysis of Shaly Sandstones
- INSTRUCTOR :
- George B. Asquith, Texas Tech University, Lubbock, TX
- October 17, 2013
- Norris Conference Center, City Centre Location, Houston, Texas
(if purchased individually)
Registration for the entire week is $1,795 for members, $2,095 nonmembers. Goes up to $1995/$2295, and/or individual course prices increase by $50/course day on 9/16/2013. Course notes, refreshments and lunch buffet included.
No refunds for cancellations after 9/16/2013.
- .7 CEU What is a CEU?
Who Should Attend
The course is designed to be of benefit to geologist, engineers and technical support people who are involved in oil and gas exploration and production in shaly sandstone reservoirs. As the title states this is a guide that concentrates on methods used to analyze shaly sandstones reservoirs. It is an advance course and assumes the course participants are already well informed about basic well logging principles.
At the conclusion of the one day course the course participants should be able to do the following:
- Scan a well log to determine zones that potentially could be hydrocarbon productive.
- Be able to examine pre-processed and calculated well log data and be able to answer the following questions.
- Is the sandstone a shaly sandstone?
- Is the reservoir water-wet or oil-wet?
- Is the reservoir potentially hydrocarbon productive?
Once the above four questions are answered the participants should be able to determine a strategy to improve the calculations of the reservoir’s effective porosity (e) and effective water saturation (Swe).
The course begins with a short review of the basic principles of well logging. Next are a series of lectures on the calculation of volume of clay/shale (Vcl), use the Vcl to correct the reservoir’s total porosity (total) to effective porosity (e). Then be able to apply a shaly sandstone producibility plot (Q-PLOT) to determine if the shaly sandstone is a reservoir. The next step is to determine using log data if the reservoir has effective or non-effective clay present and what shaly sandstone model can be used to convert total water saturation (Swtotal) to effective water saturation (Swe). Several models will be presented for determining Swe. A flow chart is provided that will aid the participants understanding the sequence that I use in analyzing sandstone and shaly sandstones. At conclusion ten examples will be presented that will be analyzed by the participants. The course will end with a case study of log analysis gas-bearing Woodford shale.