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Practical Drillstem Test (DST) Interpretation Seminar for Engineers & Geologists

NOW 3 1/2 Day Workshop
Course Description

ORIGINAL INSTRUCTOR: Hugh W. Reid, P.Geol.

NEW INSTRUCTOR: Phil Esslinger, P.Geol.

Who Should Attend

This three and a half day practical seminar is directed at exploration, engineering and drilling personnel concerned with making operational decisions based on DST results or who use DST data in general exploration/exploitation work. It is very useful for geologists evaluating old wells with DSTs for land acquisition.

Course Format

  • Workshop approach taken with class discussions of numerous field examples.

  • Participants are encouraged to bring examples from their own work experience to discuss.

  • Emphasis is placed on practical application rather than theoretical derivations of computations.

Method of Instruction

Course is taught with visual aids keyed to the course manual.

All material covered in exact order presented in the course manual (slowly, clearly, and thoroughly). This eliminates the need for note taking which allows students to concentrate on lectures and discussions.

Manuals / Textbooks

Course manual contains over 60 examples of DST charts that can be used for trouble shooting problem DSTs later. It is a permanent reference source.

'Useful Cookbooks'

To avoid the problem of attendees forgetting procedures taught at the course, all techniques are given in cookbook format.

What Participants Learn

The course is designed to provide participants with information not normally encountered in routine service company training seminars and to impart analytical and interpretive skills gained by the instructor in over 25 years of experience.

By the end of the course, students should be able to accomplish the following:

  • diagnose damage, depletion, and mechanical malfunctions, such as tool plugging
  • determine permeability and forecast the stable flow rate if the well is completed
  • understand why data from cores and logs often conflict with DST data
  • make more sense of DST results printed in PIX well cards and field reports
  • make a decision as to whether to complete or abandon a wildcat with only marginal DST results
  • appreciate where recoveries of "oil cut mud" and gas rates of "TSTM" may be significant from an exploration standpoint
  • identify long narrow reservoirs (such as channel sands) from DST pressure behaviour
  • design DSTs which preserve secrecy where competitors control adjacent land blocks
  • estimate the time until a well stabilizes
  • fully understand closed chamber DSTs

Comments from Past Participants

"This course will easily pay for itself in identifying opportunities (one of which has already been identified during the course)."

Garth Stotts, Res. Engineer
E.O.G. Resources, Calgary

"Great ways to analyze wells without spending too much time or detailed work (unless it is necessary)."

Jason Collins, Exploitation Eng.
Blaze Energy, Calgary

"Course will be most helpful in evaluating land sales as well as up hole potential."

Cindy Robinson, Geologist
Nexen, Calgary

"This was the most practical, well prepared course I have attended in the last 10 years."

Gary Finnis, Reservoir Evaluation Eng.
Sproule and Assoc., Calgary

 

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December 2009
© 2009 Hugh W. Reid & Associates Ltd.