Abstract
Microseismic data for 17 hydraulically stimulated wells in the Marcellus Shale were used to conduct a proppant placement and drainage estimation evaluation in order to optimize the wellbore spacing, and in the future the completion design and landing depth of the wellbores. A calibrated discrete fracture network (DFN) was modeled onto the microseismic events taking into account the magnitude of the events, their source mechanisms, the rock properties of the stimulated reservoir, and the amount of injected fluid in order to distinguish between the total stimulated rock volume (SRV) where microseismic activity was observed and the part of the SRV that contains proppant filled fractures and will therefore be productive in the long term. Evaluating proppant placement in the perpendicular horizontal, parallel horizontal, and perpendicular vertical direction has significance for and direct impact on wellbore spacing, stage length and spacing, and the landing depth of the wellbores.
Published Version
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