The drilling activity was done with the help of Quest Exploration Drilling, Inc. (QED). EPI Chairman Antonio G. Zamora said QED worked with geothermal consultants ISOR (Iceland GeoSurvey) and the Magister Geothermal Program of the Institute Teknologi Bandung for the exploratory activity.
It involved the digging of two small holes and thermal measurements, returning a reading of 181˚C - even higher than the 170˚C initially estimated.
