作者: Nicholas A. Kuo , Jean-Marc Lopez , Liam A. Aitken , Gregory S. Cunningham
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摘要: A method of variably restricting flow in a subterranean well can include resisting through path, and then selectively opening pressure barrier which previously prevented another path. The paths are configured for parallel flow. restrictor system use with at least two flow, resists one prevents is openable to permit the second