Lateral Length
The horizontal distance a well runs through the target formation. Longer laterals expose more rock and generally produce more.
Lateral length is how far a horizontal well travels sideways through the producing formation, measured from the heel — where the wellbore turns horizontal — to the toe at the far end. It is reported in feet. Early shale laterals ran around 4,000 to 5,000 feet; modern wells in basins like the Permian and Bakken commonly reach 10,000 feet or more, and some exceed two miles.
Longer laterals contact more reservoir rock, so they generally produce more oil and gas per well — though not always in a straight line, since drilling and completion costs rise too. For a mineral owner, a longer lateral usually means a larger unit and more owners sharing it.
Lateral length, alongside the number of frac stages, is one of the clearest predictors of how a well will perform. It feeds directly into estimating mineral rights value.