Permian Basin at a glance
- Location
- West Texas extending into southeastern New Mexico
- States
- Texas & New Mexico
- Produces
- Crude oil plus large volumes of associated gas & NGLs
- Key formations
- Wolfcamp, Spraberry (Midland); Bone Spring, Wolfcamp (Delaware)
- Rig activity
- ~240–305 rigs — by far the most active US basin (~half the US oil fleet)
- Operating note
- Multi-well pad drilling, long laterals (many >2 miles), cube co-development, heavy water handling
If American shale has a capital, it is the Permian. The basin produces more crude than any other in the country — region output runs around 6.7 million barrels per day, of which Permian tight oil alone is roughly 6.0 MMbbl/d — close to 44% of total US crude production on its own. It is also the single largest source of associated natural gas and natural gas liquids in the Lower 48. For anyone working the patch, the Permian is where most of the rigs, the crews, and the day-rate demand sit.
Figures approximate; verify against the latest EIA and Baker Hughes data. Rig counts and production move weekly — treat the bands below as orientation, not a live tally.
Midland, Delaware & the Central Basin Platform
The Permian is not one play but a stack of them, divided by geology into two productive sub-basins separated by an uplifted ridge called the Central Basin Platform. To the east sits the Midland Basin, entirely in Texas, where the Wolfcamp and Spraberry formations dominate. To the west lies the deeper Delaware Basin, straddling the Texas–New Mexico line, where operators chase the Bone Spring and Wolfcamp intervals. The Delaware tends to be deeper, thicker, and more over-pressured; the Midland is shallower and was developed earlier.
What makes the basin extraordinary is the vertical stacking. A single section of land can hold a dozen productive benches one above another. Operators exploit this with cube development — drilling many wells from one pad to drain multiple stacked intervals at once, rather than picking off one bench at a time.
Why the split matters on a hitch: a Delaware well is generally deeper, hotter, and more over-pressured than a Midland well, which changes mud weights, casing design, and well-control margins. Hands often specialize in one sub-basin, and operators value a company man or directional driller who knows the local hole.
How operators drill the Permian
Modern Permian drilling is industrialized. The defining features:
- Multi-well pads. Six, eight, or more wells are drilled from a single surface location to cut footprint, share facilities, and let rigs "walk" between wellheads without rigging down.
- Long laterals. Two-mile (10,000 ft) laterals are routine, three-mile laterals increasingly common, and the longest horizontals have reached roughly four miles — around 21,000 feet.
- Cube co-development. Stacked benches are drilled and completed together to manage reservoir pressure and avoid "parent–child" interference between wells.
- Heavy water handling. Completions consume and produce enormous volumes of water, making produced-water disposal, recycling, and induced-seismicity management central operational concerns.
Rig activity & operators
The Permian dwarfs every other US basin on rig count. In 2026 it has been running on the order of 240 to 305 rigs depending on the week and the source — roughly half of the entire US oil-directed fleet. The operator roster spans supermajors with large integrated positions alongside sizeable independents, and consolidation in recent years has concentrated acreage into fewer, larger hands.
| Metric | Approximate 2026 band | Notes |
|---|---|---|
| Rig count | ~240–305 rigs | Largest US basin; ~half the US oil fleet. Verify weekly via Baker Hughes. |
| Region crude output | ~6.7 MMbbl/d | Includes conventional and tight oil. |
| Tight-oil output | ~6.0 MMbbl/d | Roughly 44% of total US production. |
| Typical lateral | ~2–3 miles | Longest reaching ~4 miles (~21,000 ft). |
Working the Permian and looking for a clear reference? rigs.work keeps a prepared bench of Permian-experienced consultants — company men, directional drillers, and mud engineers who know Midland from Delaware. Open basin reference.
Common questions
Working the Permian and looking for a clear reference?
Read the basin profile for Midland or Delaware, oil or gas window.