AAPG Unconventional Research TIG Discussions

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Bogdan Michka — Tue, 09 May 2017 10:45:35 GMT

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Resources - Brad Berg's Playmaker talk - Characterizing Shale Plays

Bogdan Michka — Wed, 10 Apr 2019 04:51:55 GMT

Watch Characterizing Shale Plays: The Importance of Recognizing What You Don't Know, a talk presented by Brad Berg at Playmaker 2.0 Forum in Houston, Texas on 23 January, 2014.

https://broken.aapg.donfick.com/videos/playmaker/Articleid/37746/brad-berg-characterizing-shale-plays

Summary: Shale plays typically exhibit much more uncertainty in individual well performance than conventional reservoirs. Understanding this uncertainty is particularly critical during the exploration drilling program when one has relatively few wells on which to base decisions. A systematic approach to understanding and managing this uncertainty can be used to address key questions during the early phases of a drilling program, including "how many wells do I need to drill before I have confidence in the results?" and "does the well performance I’ve seen to date provide the encouragement needed to keep drilling?" To answer these questions, one must quantify the uncertainty surrounding individual well results. Key elements of this evaluation process include:

1. Identifying analogs that can provide insights into the level of well performance uncertainty to expect;
2. Stochastically modeling the potential range of well results from the testing program;
3. Deciding what level of risk is acceptable to the decision-makers; and
4. Planning and executing a testing program that incorporates these elements.

The primary take-away from this presentation is that it is critical to recognize, and properly characterize, uncertainty in shale well production performance when planning an exploration drilling program in shale plays. Without such an approach, the commercial potential of a play may not be adequately characterized, leaving the decision-makers without the information needed to determine the path forward. Understanding the uncertainty in well performance, and planning for it, will lead to more efficient exploration activity, and better informed decision-making.

Resources - Richard Stoneburner's Playmaker talk - The Evolution of the American Shale Plays

Bogdan Michka — Wed, 10 Apr 2019 04:29:36 GMT

Watch Evolution of the American Shale Plays: Where We Are and How We Got There, a Playmaker Forum talk given by Richard Stoneburner in Oklahoma City, Oklahoma on 11 May, 2017.

https://broken.aapg.donfick.com/videos/playmaker/Articleid/40326/richard-stoneburner-the-evolution-of-the-american-shale-plays-where-we-are-and-how-we-got-there

Summary: Since around 2006 the exploration, appraisal and development of shale reservoirs in the Lower 48 has seen a dramatic escalation, first starting with the gas productive shale reservoirs then followed by those that are liquid productive. The result has been a total renaissance for the domestic E&P industry. Each of the plays, which total approximately 14 that have seen substantial development, underwent an evolutionary cycle that was driven by the roles of the various functions that contribute to the success of any given play: land, geologic, drilling, completion and production. As each play progresses through the evolutionary cycle, the role of each function changes accordingly. Even though all of the plays have certain common characteristics, Richard will attempt to point out something uniquely different about each of the 14 plays that might aid in a better understanding of plays yet to be discovered.