Mechanisms of Acid-Gas Contamination of Drilling Fluids and Mitigation Strategies—A Case Study of the Penglai Gas Area, Sichuan Basin

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The Sichuan Basin contains multiple hydrocarbon-bearing formations, and oil and gas development in the basin is challenged by complex subsurface conditions, including highly variable formation lithologies, diverse reservoir fluids, and irregular formation-pressure systems. During drilling operations, influxes of acid gas commonly contaminate drilling fluids. Acid-gas conta... Read more.

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