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“Old” (Pre 1958) Electric Logs: A Quick Review
- INSTRUCTOR :
- George Asquith, Texas Tech University, Lubbock, TX
- February 14, 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 after 1/14/2013. Course notes, refreshments and lunch buffet included.
No refunds for cancellations after 1/14/2013.
- .75 CEU What is a CEU?
Who Should Attend
The course is designed to be of benefit to geologists, engineers and technical support people who are involved in oil and gas exploration and production working in areas with a large number of “Old” well logs. As the title states, this is a quick review of the unique methods used in the analysis of older well logs. The course will be a useful to new personnel in the oil and gas industry as well as more experienced professionals who need a review.
At the conclusion of the one day course, participants should be able to do the following:
- Scan a well log to determine zones that potentially could be hydrocarbon productive.
- Determine formation temperature and correct both drilling fluids and formation water resistivities to formation temperature. Also be able to make basic bore hole and thin bed corrections to the resistivity logs.
- Determine formation water resistivity using well logging methods.
- Determine porosity from resistivity logs using numerous well logs and methods.
- Normalize old gamma ray log to API units and normalize old neutron logs to determine porosity.
- Make invasion corrections of resistivity logs to true formation resistivity.
- Understand how the Archie parameters are obtained, so that together with log data, water saturation and hydrocarbon saturation can be derived. The participants will also be exposed to additional methods including cross plots to help in the determination of the productive potential of the zone being analyzed.
The course consists of lectures on the different “old” well logs, what they measure and how they are used in the analysis of a potentially hydrocarbon productive zone. The importance and how to make bore hole and thin bed corrections to the non-focused resistivity logs will be outlined in detail. The different rules used to analyze the old resistivity log will be presented with examples. The different unique problems presented to the log analyst when working with older well logs will be outlined and discussed in detail.
At conclusion, twelve problems will be presented, eight of which will be analyzed by the participants. Questions will be asked about each of the eight problems including what they believe is the hydrocarbon productive potential of the zone.