$750

Basic Openhole Log Interpretation - Dan Krygowski - Oklahoma City

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Oklahoma City

Oklahoma City, OK

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The course assumes no logging knowledge, and seeks to establish an understanding of basic petrophysical measurements and interpretation techniques which can be applied to routine tasks, and upon which more complex and advanced information and techniques can be built.

The course:

  • Offers a “hands‐on” approach to basic openhole well log analysis and interpretation;
  • Focuses on the traditional interpretation targets of lithology, porosity, and fluid saturation;
  • Introduces a variety of interpretation techniques in the context of the availability of newer, more extensive, data;
  • Is organized by the targets, or goals of the measurements, rather than by the physics of the measurements.
  • The course strives to provide a strong and coherent foundation for the understanding of other specialized interpretation techniques involving well log data, which are not covered here.

Course topics include:

  • An overview of petrophysical well log data acquisition;
  • Description of the common openhole measurements; acoustic, nuclear, and electrical;
  • Determination of lithology, porosity, fluid saturation, and other properties from those measurements;
  • Use of algorithmic and graphical techniques to determine those properties from the measurements that are made;
  • Interpretation exercises to reinforce the interpretation methods that are covered.

The course will benefit geologists, engineers, geophysicists, and geotechs, and can be of benefit to other specialists who routinely work with those geotechnical specialists. The best class size is from about 10 to 25 people from a variety of specialties who can share their professional experiences in the context of a greater understanding of petrophysics.

Instructor:

Dan Krygowski is a Senior Petrophysical Advisor with The Discovery Group, which he joined in late 2006. He has over 35 years of experience in the art and science of petrophysics, and in the development and design of petrophysical software. Dan earned a B.A. in Physics from the State

University of New York at Geneseo. After earning M.S. and Ph.D. degrees in geophysics from the Colorado School of Mines (with a focus on petrophysics), he joined Cities Service Company, and worked in Denver and Tulsa. After Citco, he joined Atlantic Richfield Company (ARCO). In both companies he gained experience in a variety of geologic and geographic areas in both technical and management positions in petrophysics.

After ARCO, he joined Landmark Graphics, and was a member of the PetroWorks development team as the team’s petrophysical Subject Matter Expert. He was also involved in interface design, and development of documentation and training materials. When Landmark closed its Austin, Texas office, Dan joined Chevron, working in deep Gulf of Mexico and Chad, Africa projects. He also supported internal petrophysical training efforts.

Since the late Cretaceous, Dan has taught the AAPG Basic Well Log Analysis course annually with Dr. George Asquith of Texas Tech University, and for the last several years, with the addition of Rick Lewis, of Schlumberger. Dan also teaches Basic Openhole Log Interpretation, a similar, but shorter course, and Petrophysics Elements, a much longer, lower intensity course meant to delve deeper into petrophysical information and methods as part of participants’ regular job duties. Both are taught through direct client requests. Dan and other Discovery Group members present other petrophysical courses as well.

In 2004, AAPG published George and Dan’s book, Basic Well Log Analysis, a second edition of George’s 1983 similarly‐named book which was one of the AAPG’s all‐time best selling publications. The 2004 edition has also become an AAPG best‐seller.

Dan is a member of the Society of Petrophysicists and Well Log Analysts (SPWLA), American Association of Petroleum Geologists (AAPG), Society of Petroleum Engineers (SPE), Society of Exploration Geophysicists (SEG), the Denver Well Logging Society (DWLS), and the Rocky Mountain Association of Geologists (RMAG).

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Oklahoma City, OK

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