When examining a large oil pool penetrated by hundreds of wells, we are faced with an enormous collection of data records. There are core analyses, many types of wireline logs, lithological descriptions, drill-stem and production tests, etc. Typically, the reservoir engineer spends a large part of his time sorting out these records, discarding erroneous data and correlating information; he spends only a small amount of time in predicting how the reservoir will behave. Most of this record evaluation is routine work, which can be relegated to a computer system. This paper will discuss a small data system which does some of the editing and integration of core analyses and well logs and thus frees the reservoir engineer for more imaginative work.

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