Flow tests and pressure measurements were made on a group of five wells in the Slomotombo geothermal reservoir, Nicaragua. The purpose of these tests was to evaluate the hot water reservoir, to determine well interference effects, to determine reservoir boundary conditions and to obtain mass flow rates and enthalpy.

Static bottom hole pressures were measured on three wells mJ bottom hole flowing pressures rind shut-in buildup pressures were measured on one of the wells. A Hewlett-Packard quart crystal pressure gauge was used in connection with a Sperry Sun expandable chamber hung on steel capillary tubing to measure downhole pressure.

Flow tests were made on all five wells. Four wells were flowed through a horizontial discharge pipe. One well was flowed through a vertical discharge pipe.

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