West Sussex Energy Partners · OGM-004 · Wyoming edition
Editorial update: October 16, 2026. General educational information.
Evaluating an oil and gas prospect involves subsurface geology, seismic interpretation, title and access, drilling costs, regulation and uncertain economic outcomes. Distinguish prospective resources from proved reserves and disclose assumptions, data rights and technical risk.
Define the prospect before valuing it
Describe the basin, target formation and depth, structural or stratigraphic concept, existing wells, mapped acreage, potential reservoir quality and likely hydrocarbon type. Specify whether the intended test is conventional, tight-reservoir or another development concept. Do not treat an undeveloped lead as an approved drilling program or certified reserve.
What 2D and 3D seismic contribute
Reflection seismic uses recorded wave travel times and contrasts between geological layers to help interpret subsurface structure, faults and stratigraphy. Two-dimensional lines can reveal regional geometries; three-dimensional surveys provide more spatial detail. Interpretation relies on processing choices, velocity-to-depth conversion and calibration with well logs. Seismic amplitude alone is not proof of hydrocarbon saturation, commercial deliverability or recoverable reserves.
Ground-truth with well logs and production
Review nearby drilled wells’ lithology, formation tops, cores, logs, testing, completions and actual monthly production. Distinguish a productive analogous well in the same reservoir from a similar-looking well in a different formation, position, depth or pressure regime. Compare wellbore location and reservoir target to tract and unit legal descriptions.
Separate geological from commercial risk
Geological chance of success addresses source, migration or charge, reservoir, trap and seal. Development chance includes title, leases, unit authorizations, surface access, environmental compliance, drilling cost, well performance and marketing infrastructure. Commodity prices, costs and taxes affect value even where hydrocarbons are present.
Illustrative economic screen
A hypothetical well might have an estimated 30% geological success probability and an assumed $2 million pre-tax value in the successful scenario but a $1 million loss in the failure scenario. The probability-weighted result before additional costs is 0.30 × $2 million + 0.70 × (−$1 million) = −$100,000. These are invented teaching figures, not an appraisal of any Wyoming prospect. Different cost treatments, discount rates or commercial assumptions change the result.
Ownership and surface permissions
A seismic agreement, mineral lease and state or federal permit are different documents. Confirm who owns the right to grant access, where shot points or receiver lines would lie, restoration and surface compensation requirements, confidentiality and seismic data ownership. Regulatory authorization should not be assumed to resolve all private entry rights.
Owner’s document request
Ask for the mapped tract and target interval; existing leases and assignments; any unit or pooling plan; data identifying nearby wells; whether seismic is licensed or owned; a written high/low economics statement; operator identity; and the actual planned location, development timetable and permit status. State explicitly when those materials are unavailable to outsiders.
Official and technical sources
USGS — Geophysical Analysis of Energy Resources; WSGS — Geological Maps and Publications; WOGCC — Public Well and Production Records; Wyoming Title 30 (surface-access and other provisions as applicable).
Sources and scope
This guide provides general education. Verify effective dates and the application of authorities to the particular facts. Consult the linked official sources and the original deeds, leases, orders and other records before acting. Browsing this guide or sending an inquiry does not create a professional engagement; services require a separate written agreement. Historical accounts, geological assessments and forecasts have distinct limits; none establishes mineral title or guarantees recoverable reserves, value or future royalty.
Reading the sources: Distinguish exploration prospects from proved reserves, and document seismic-data ownership, permitting, uncertainty and technical assumptions. Check the original sources before applying this information.
