Effect of Threshold Pressure Gradients on Control Areas Determination of Production Well in CBM Reservoirs

<div>Effect of TPG on formation pressure and formation pressure gradient. (a) Relationship between formation pressure and drainage radius under different TPG. (b) Relationship between formation pressure gradient and drainage radius under different TPG.</div>

Advances in Polymer Technology

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Figure 6

Figure 6: Effect of Threshold Pressure Gradients on Control Areas Determination of Production Well in CBM Reservoirs 