Abstract

CBM well pattern optimization is the key issue for CBM development. Usually the selection of well pattern is a problem to coordinate the cumulative productivity and recovery. For finding the optical well spacing, this article will coordinate the two parameters after they are transformed into dimensionless form. And the economic research for the optimal well spacing is adopted as a supplemented proof. Finally the CBM well pattern of the block in North Qinshui basin must be a square well pattern the 300m×300m is regarded as the optimal well spacing.

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