Short Answer
Geoscientists confirm source, reservoir, seal, and trap, integrate offset well data, and apply 3D seismic to map targets. Only after this de‑risking does a prospect advance to spud.
What It Means to an Investor
A disciplined play‑fairway analysis overlays each petroleum‑system element, then ranks opportunities. Leasing and spacing secure the right to drill. A prospect book should tie maps and logs to a clear AFE and execution plan.
