"Frac finder" is a term used in the oil and gas industry to describe a tool or technology that locates fractures in rock formations deep beneath the earth's surface. Alternative terms for "frac finder" might include "fracture mapper," "fracture detector," or "fracture imaging technology." These synonyms all refer to technologies that utilize various methods, such as acoustic or electromagnetic waves, to create images of the subsurface rock formations and identify fractures that might contain valuable resources. Other related terms might include "reservoir imaging," "seismic interpretation," or "geological surveying," all of which are important tools for the oil and gas industry to locate and harness valuable resources deep beneath the earth's surface.