Abstract
Summary An expert system called ACIDMAN was developed to design matrix acid treatments that remove damage near the wellbore and increase production. Input data can range from unknown formation damage, for which the system designs a conservative treatment based on well history and geological probability, to cases with detailed formation information available, in which very precise treatments are prescribed. The system requests additional specific laboratory tests, when needed, to aid in product selection. Basic input data requested include well type and history, formation-damage mechanism, bottomhole temperature, reservoir pressure, formation permeability, lithology, porosity, interval size, and crude oil gravity. Output includes product selection, additives, treatment volumes, and treatment technique. Phase 1 of the ACIDMAN expert system was delivered in beta test in March 1990, and full implementation of all phases is planned during 1990.
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