The Momotombo geothermal field, located approximately 50 km northeast of the city of Managua on the southern flank of Momotombo Volcano, was discovered in 1970. Subsequent field confirmation and development did not occur until 1974 at which time a field drilling program was initiated. Since then, 33 wells have been drilled within the field, with a combined wellhead energy capacity greater than 100 MW.
Detailed lithologic correlation between wells has provided the basis for a preliminary structural interpretation. Subsurface temperature data have been utilized to determine temperature distribution within the field area. Subsequent integration of these data with surface geologic data has resulted in the generation of a basic working model of the Momotombo field.
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Energy Resources of the Pacific Region
The energy and mineral resources of the vast Pacific basin and its neighboring land areas play a vital role in meeting the ever-growing needs of society worldwide. Building on the foundation of a highly successful conference held in 1978, this volume contains 51 of the 135 papers presented there. Subjects included are general and specific in nature--oil, gas, and coal resources; geothermal fields, uranium; tin; evaporites, trace elements; water resources; magma energy and fuels from magma. Geological and geophysical techniques, and also the new tool of remote sending for petroleum and minerals exploration are represented. Tectonics, structure fundamentals, subsurface hazards, international treaties and the law of the deep sea are discussed. Seventeen countries and regions are represented in these papers: Thailand, Nicaragua, the United States, Japan, Peru, Antarctica, El Salvador, Australia, Mexico, Taiwan, New Zealand, China, Chile, Indonesia, Canada, and the Pacific Ocean.