Naturally fractured tight gas sands have come of age in the United States. They will also come of age in Canada within the next few years and in the rest of the world within the next few decades.

This work discusses the role of natural fractures and slot porosity on tight gas sands as they relate to geoscience, drilling, completion, stimulations, petrophysics, well testing, and reservoir engineering.

It is concluded that natural fractures and/or slot porosity play, and will continue to play, an important role in the successful and economic production of gas from tight sands. Research leading to innovating technologies that presumably will reduce capital and operating costs will play a key role in the development of this resource. Understanding the rocks and the regional variability of fracture distribution and diagenesis is the cornerstone of this research.

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