Asset report
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41 Pages

Gabon Gabon exploration basin

Gabon Gabon exploration basin

Report summary

The Gabon Basin is bordered by the Rio Muni Basin in the north and the Lower Congo basin to the south. It comprises the vast majority of Gabon’s licensed acreage, extending from the ultra-deepwater in the west, across the continental shelf and coast to the onshore jungle interior. The shelf and onshore areas of the basin are considered to be relatively mature. Several exploration opportunities remain open to companies. Onshore activity has focussed on the Cretaceous pre-salt horizons, whilst offshore activity has been primarily focussed on post-salt reservoirs. However, deepwater drilling in the post-salt has yielded few returns, and future activity is expected to focus on the pre-salt: Total's Diaman discovery in 2013 proved the existence of a working hydrocarbon system, which was confirmed by Shell's Leopard gas field discovery in 2014. Value will only be created from such gas finds when a viable gas monetisation scheme is developed, be it a domestic market or via LNG exports.

What's included?

This report includes 2 file(s)

  • Gabon Gabon exploration basin PDF - 1.07 MB 41 Pages, 34 Tables, 45 Figures
  • Gabon ZIP - 4.74 MB


Oil and gas exploration is an industry in constant motion, from technological breakthroughs to shifting supply and demand. The high costs of finding and developing new oil and gas fields that can be commercially developed has created a challenging atmosphere, with explorers increasingly seeing low returns, low value and slow progress.

This Exploration Basin report provides a detailed analysis of exploration of this basin, including discovery and development costs, location maps and information about licensing and fiscal terms. You'll also find information about discovery and development costs and full-cycle returns.

Explorers and advisors can use this report to understand the history and potential value of this basin.

Wood Mackenzie has access to historic data for over 450 basins and forecasts for more than 125 basins. We provide accurate information on the cost of exploration compared to the value of discoveries so that you can develop profitable strategies.

Our in-depth analysis gives you the information you need to navigate the ever-changing challenges of oil and gas exploration so you can make critical commercial decisions.

  • Key facts
  • Summary and key issues
    • Key issues include:
  • Location maps
  • Participation
  • Key companies
  • Geology
    • Play inputs – Cretaceous Onshore (pre-salt)
    • Play inputs – Cretaceous Shelf (post-salt)
    • Play inputs – Cretaceous Deepwater (pre-salt)
  • Exploration
    • Wells drilled
    • Basin success rates
  • Reserves and resources
    • Volumes discovered
      • Top discoveries (TYP period)
    • Yet-to-find potential
      • Play inputs
        • Creaming curve and key play data
      • Model field pool size distribution
      • Existing discoveries and modelled yet-to-find pool size distribution
  • Development
    • Yet-to-find costs and underlying development assumptions
  • Costs
    • Recent discovery costs
    • Summary of discovery and development costs
  • Fiscal and regulatory
    • Licensing
    • Fiscal terms
  • Economic assumptions
    • Oil and gas prices
  • Economic analysis
    • TYP economics
    • Outlook economics
      • Development value
      • Prospect breakeven price
      • Expected monetary value (EMV)
      • Play Economics
    • Full cycle basin economics
      • Implied acreage value

In this report there are 79 tables or charts, including:

  • Key facts
    • Play level data
    • Assumptions
  • Summary and key issues
    • Value creation versus investment (TYP period)
    • Value creation versus investment (outlook)
    • Summary and key issues: Image 3
  • Location maps
    • Exploration history map
    • Exploration wells by play
  • Participation
    • Licensed exploration acreage
    • Expiry forecast of current licences
  • Key companies
    • Key licence holders
    • Key well operators (TYP period)
    • Gross exploration wells completed by operator
    • Net exploration wells completed by participant
    • Company success rates and discoveries
  • Geology
    • Key play characteristics
    • Key reservoir characteristics
    • Key reservoir characteristics
    • Key reservoir characteristics
  • Exploration
    • Drilling activity by well type
    • Cumulative exploration wells by play
    • Discoveries and success rates
    • Discoveries by license year and drilling year
  • Reserves and resources
    • Basin creaming curve
    • Key basin data
    • Volumes discovered by year
    • Average discovery size and volume per well by year
    • Reserves and resources: Table 2
    • Cumulative discoveries by play
    • Cumulative volumes discovered by play
    • Forecast data by Play (outlook)
    • Cretaceous Onshore (pre-salt)
    • Reserves and resources: Table 4
    • Cretaceous Shelf (post-salt)
    • Reserves and resources: Table 5
    • Cretaceous Deepwater (pre-salt)
    • Reserves and resources: Table 6
    • Cretaceous Onshore (pre-salt)
    • Cretaceous Shelf (post-salt)
    • Cretaceous Deepwater (pre-salt)
    • Cretaceous Onshore (pre-salt)
    • Cretaceous Shelf (post-salt)
    • Cretaceous Deepwater (pre-salt)
  • Development
    • Development: Table 1
    • Cretaceous Shelf (post-salt)
    • Cretaceous Deepwater (pre-salt)
  • Costs
    • Costs: Table 1
    • Costs: Table 2
    • Exploration and appraisal spend
    • Exploration spend per well and average well depth
  • Fiscal and regulatory
    • Typical fiscal terms – Cretaceous Onshore (pre-salt) play
    • Typical fiscal terms – Cretaceous Shelf (post-salt) play
    • Typical fiscal terms – Cretaceous Deepwater (pre-salt) play
  • Economic assumptions
    • Brent & local oil price assumptions (Onshore)
    • Brent & local oil price assumptions (Shelf)
    • Brent and local oil price assumptions (Cretaceous Deepwater)
  • Economic analysis
    • Value creation, spend and volume discovered
    • Returns by drilling year
    • Breakeven price versus prospect size
    • Value creation versus investment
    • Value of potential discoveries
    • Unit value of potential discoveries
    • Economic analysis: Image 7
    • Economic analysis: Image 8
    • Economic analysis: Image 9
    • Economic analysis: Image 10
    • Breakeven price of exploration
    • Discount rate breakeven price sensitivities
    • Economic analysis: Image 13
    • Economic analysis: Image 14
    • Economic analysis: Image 15
    • Economic analysis: Image 16
    • Cretaceous Onshore (pre-salt)
    • Cretaceous Shelf (post-salt)
    • Cretaceous Deepwater (Pre-salt)
    • Cretaceous Onshore (pre-salt)
    • Cretaceous Shelf (post-salt)
    • Cretaceous Deepwater (pre-salt)
    • Full-cycle economic analysis
    • Average value of future discoveries and implied acreage value
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