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Confirmed Interval
Proprietary identification of each horizontal well’s primary landing zone.
Trusted by operators, non-op buyers, mineral aggregators, and A&D advisors across the upstream market.
Overview
Confirmed Interval is a derived dataset unique to Energy Domain. For every horizontal well with a directional survey, we identify the primary interval: the dominant formation where the well is landed and from which the majority of production originates.
State records often list target formations inconsistently. An operator might report “Wolfcamp” on a permit, “Wolfcamp A” on a completion report, and “Lower Spraberry” on a test filing, all for the same well. Confirmed Interval resolves this ambiguity by analyzing each well’s directional survey against known formation tops to determine where the lateral actually sits.
Formation-level performance comparison is the backbone of offset analysis. If you are building a type curve for Wolfcamp A wells in a specific section, you need confidence that every well in your analog set is actually landed in the Wolfcamp A, not misclassified due to inconsistent operator reporting.
Key Fields
- API Number
- Confirmed Primary Interval (formation name)
- Landing Zone Depth (TVD at lateral midpoint)
- Confidence Classification
- State-Reported Target Formation (for comparison)
- Formation Top / Base Reference
Data Sources & Update Frequency
Derived by Energy Domain using directional survey data cross-referenced against regional formation tops. Updated as new surveys are filed and formation top databases are refined. This is a proprietary dataset not available from state agencies or other public sources.
Who Uses This
Reservoir Engineers build formation-specific type curves and analog sets. Mixing wells from different landing zones corrupts performance benchmarks and EUR estimates.
Geologists map development patterns by formation, identifying which intervals operators are targeting in specific areas and how landing zone selection has evolved.
Acquirers validate that producing wells on a target property are actually landed in the formations represented by the seller, and assess remaining development potential by interval.
Development Planners inform landing zone decisions by analyzing offset well performance stratified by actual landing zone rather than reported target.
Why It Matters
If your Wolfcamp A type curve includes wells actually landed in the Wolfcamp B, your EUR estimate is wrong. Every reserves booking, every acquisition model, every development AFE that relies on formation-specific performance analysis depends on knowing where the lateral actually is. Confirmed Interval provides that answer, derived from survey data rather than inconsistent operator reporting.
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