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Mitchell and his team of geologists and engineers began working on the shale challenge in 1981, trying different combinations of processes and technologies before ultimately succeeding in 1997.
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Mitchell Energy and Development. He sold his company to Devon Energy in 2002 in a deal worth $3.5 Billion.
This notion, of course, has the obvious issue with the magnitude of stresses at different direction. It seems that the overburden pressure (vertical stress) is not the minimum stress. Therefore, maybe, the horizontal/laminated fractures are not the first set of fractures that open. However, totally dismissing theses natural fractures seem to be an oversight that needs to be addressed.
Some have chosen to use alternative nomenclature such as Estimated Stimulate Volume (ESV) or the Crushed Zone, but the idea behind them is all the same.
Meyer Fracturing Software, a Baker-Hughes Company, www.mfrac.com.
Carbo Ceramics, http://www.carboceramics.com/fracpropt-software/.
Those who have opted to correlate “hard data” to Stimulated Reservoir Volume through microseismic events, are either technically too naïve to realize the premature nature of this effort, or trying to justify a service that is provided by their business partners.
- Modeling Production from Shale
Shahab D. Mohaghegh
- Chapter 2