Information from well logs is invaluable to the oil industry. However, only a limited number of people are able to fully utilize their logs by applying modern analysis techniques. Part of the limitation stems from the difficulty in learning to use log analysis software. There are a number of features that would serve to improve the human interface of this software, such as treating log curves as mouse-selectable objects which can be copied and moved to other displays or other tracks using familiar "cut and paste" methods common to graphical interfaces now found on personal computers. Observations of university students in an advanced logging class using two commercially available computer-based log interpretation programs helped identify performance obstacles encountered by users with limited experience. An experimental interface design which incorporates a number of new features has been developed using an advanced object-oriented development environment, thus allowing a great deal of flexibility in implementing changes and adding new features based on feedback from actual users.

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