ESVAL asked us for specialized hydrogeological advisory and the technical inspection of works in the construction of a serie of wells related to the Drinkable Water Production System of Los Nogales, Chincolco, Petorca and San Juan, all located in Valparaíso region.

• Technical control of well construction works.
• Geological description of samples from drilled material.
• Drilling parameters recording.
• Approval of well design.
• Recording and register of well installation, gravel pack, well development and work completion.
• Planning, supervision and analysis of pumping tests.

Daily and weekly reports of activities were handed. Besides, final reports of construction and pumping tests of the 14 wells were elaborated. Finally, we supported our client in several economic, contractuals and technical documents in order to accomplish a high quality work matching the timetable and objectives.