Exploration
The search that happens before anyone knows if oil is even there
Picture a treasure hunter studying old maps, walking the terrain, and digging a few test pits before committing to a full excavation. Exploration is that same careful, risk laden search applied to oil and gas, the phase of activity focused purely on finding hydrocarbon deposits before anyone knows for certain whether they exist in commercial quantity.
Exploration typically begins with a seismic survey to map underground rock structures, followed by drilling an exploratory well, sometimes called a wildcat well, to physically test whether oil or gas is actually present. Most exploratory wells, even in promising areas, do not result in a commercial discovery, which is exactly why exploration is considered the highest risk, highest potential reward stage of the entire oil and gas value chain.
Every OALP or DSF block win an investor reads about begins its life right here, at the exploration stage, often years before any oil actually reaches a refinery.
Related concepts
OALP, NELP & HELP
Why India changed the way companies search for oil
DSF: Discovered Small Fields
How India started selling oil fields it had already found but never used
GRM: Gross Refining Margin
The number that decides whether a refinery is actually making money