CASE STUDY As US shale plays move into development mode, operators have uncovered a new challenge: Reduced well spacing often leads to increased probability of a frac hit. Unchecked, the risk of frac hits can be devastating to the economics of these plays. During a December 2018 fracturing operation in the Eagle Ford shale play, the parent well’s productivity was a key driver to the value of the asset – and the operator was determined to avoid interference from a child well. Reservoir Characterization of the Subject Well To help mitigate this risk, NexTier employed the LateralScience SM method to predict which sections of the subject well were most likely to develop longer half-lengths that might pose a potential threat to the parent well. In particular, the first seven stages at the

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