Abstract

In recent years there have been numerous reports of the application of state-of-the-art methodologies to hydraulic fracture treatment design. One of the biggest problems in applying advanced technology to stimulation design is the acquisition of input data for computer simulations.

Over the course of the last three years, a cost effective systematic methodology has been developed for acquiring the reservoir properties required for hydraulic fracture treatment design. Dipole sonic logs coupled with a water injection/fall-off test in combination with a 3-D hydraulic fracture design simulator have been used to understand reservoir characteristics and to design stimulation treatments based on reservoir characteristics.

This methodology has been applied to conventional tight gas reservoirs as well as coalbed methane reservoirs, and has allowed the optimization of the stimulation treatment based on reservoir characteristics. There are numerous examples of successfully completed stimulation treatments that have failed to produce. This paper recounts examples for both coalbed methane and conventional reservoirs where the treatment type can be compared to reservoir characteristics and production responses.

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