The first Stanford Geothermal Reservoir Engineering Workshop was convened in December, 1975. Its success in compiling the scattered information on geothermal reservoir engineering resulted in its establishment as an annual event of the Stanford Geothermal Program. it is appropriate to look back over the efforts of the past six years and to evaluate the overall results. Three questions may be raised: (1) Are the Workshops achieving the same aims and objectives of the initial meeting?; (2) What progress in geothermal reservoir engineering has been achieved over these six years?; and (3) Have the Workshops developed any special values of their own that distinguish them from other geothermal meetings?

The development of the Stanford Geothermal Engineering Workshops is well recorded in its Proceedings. At the first Workshop, some 50 papers were presented over a three-day period. These papers, including two overviews, covered the following general areas of geothermal engineering : In this seventh Workshop,
(1) Reservoir Physics - studies to evaluate the physical processes occurring in geothermal reservoirs fic and generic fields to determine volumetric and extractive characteristics of a reservoir
2) Well Testing - techniques used in specific and generic fields to determine volumetric and extractive characteristics of a reservoir
(3) Field Development - methods for optimum commercialization of producing field s (4) Well Stimulation - techniques for improving energy and fluid recovery from geothermal resources
(5) Modeling - mathematical methods to study geothermal reservoirs.

During the ensuing five Workshops, the weighting given to these general areas have changed; different areas were introduced at various times, for example the area of well testing was expanded to include reservoir testing and formation evaluation; and special sessions were added for topics such as production engineering, geopressured systems, and risk analysis. The Workshop has been retained; and in 1977, a major change in program content occurred * current address: DSIR, New Zealand The three-day format of with the introduction of a panel session. The panel session is now an integral part of the workshop program; the specific theme for each workshop is chosen to reflect a topic most appropriate to the state of geothermal reservoir engineering at that time. prior annual workshops are listed in Table I. The development of geothermal reservoir engineering is also reflected in the changes in sponsorship of the Stanford Geothermal Program, indicating the general change in government support of geothermal energy research and development over this time period. The sponsorship of the workshop program is listed in Table 11.

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