Basin perspective

Engineering discipline travels. Geological interpretation remains basin-specific.

Summit considers land-operated producing oil and natural gas assets in the U.S. Lower 48 states only, excluding California and New York. Reservoir, production and operating engineering principles transfer across conventional and tight-rock producing regions, while basin- and formation-specific geological expertise is incorporated when appropriate.

The basin provides geological context. The wells, production, costs, infrastructure and upstream liabilities determine the investment decision.

Lower 48 coverage

Select a state, then explore its basins.

The map outlines Lower 48 states reported in EIA state petroleum-production series. California and New York are intentionally excluded from Summit’s geographic scope. Select any listed basin for a concise geologic and operating profile.

Interactive map of Lower 48 hydrocarbon-producing states Producing states are outlined in green. Select a producing state to display its onshore basins and producing regions. California and New York are excluded. Alabama Arkansas Arizona California Colorado Connecticut District of Columbia Delaware Florida Georgia Iowa Idaho Illinois Indiana Kansas Kentucky Louisiana Massachusetts Maryland Maine Michigan Minnesota Missouri Mississippi Montana North Carolina North Dakota Nebraska New Hampshire New Jersey New Mexico Nevada New York Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Utah Virginia Vermont Washington Wisconsin West Virginia Wyoming
Producing state Selected state California and New York excluded

Transferable operating discipline

The operating questions remain consistent.

01

Production behavior

Establish a supportable base-production forecast, reconcile actual performance and distinguish reservoir behavior from downtime or mechanical constraints.

04

Basin-specific support

Incorporate geologists and other specialists with relevant basin, formation, regulatory or operating experience when the evaluation requires it.

Investment application

Geography defines the setting. Discipline determines the decision.

Summit applies the same evidence-based underwriting and operating framework to each opportunity, then incorporates the basin, formation and local operating knowledge required by the asset.

Review our investment approach →

State directory

Onshore basins and producing regions by state.

The directory is a geographic reference, not a statement that every basin, formation or asset satisfies Summit’s investment criteria.

Gulf Coast distinction

Different setting. Asset-specific evaluation.

Producing regions near the Gulf of America may involve different reservoir, completion, facility, environmental and operating considerations. Those opportunities are evaluated independently based on their technical characteristics, infrastructure, obligations and operating requirements.

Reference basis

State-production eligibility is based on U.S. Energy Information Administration state petroleum-production series. Basin and petroleum-province names are aligned to U.S. Geological Survey assessments and supplemented by established producing-region terminology. State geometry is derived from U.S. Census Bureau cartographic boundary data. Basin boundaries may cross state lines, and nomenclature can vary among agencies and operators.

EIA crude-oil production data ↗ USGS National Oil and Gas Assessment ↗ U.S. Census cartographic boundaries ↗