Oil & Gas Financial Journal: “Great Basin Elephant Hunt: The Great Basin Shales are not just as orginically rich as other shales, they are many times thicker”

Date of Source: 18 Jan 2017

The Great Basin, which underlies most of Nevada and large swaths of the American Southwest, could become host to the next great North American hydrocarbon province. Although production from the Great Basin slipped to a mere 313,000 BOE in 2014 (from its peak of 4.01 MMBOE in 1990), the region is still largely unexplored. Geologist Alan K. Chamberlain believes that there are potentially hundreds of billions still left in geological formations underlying the Great Basin. […]

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Drilling for Value, Pt. 4: The Economics of Petroleum Exploration and Production

Note: this post has been heavily redacted since its original data of publication in order to expand on the fundamentals of petroleum geology and the upstream business elsewhere. 


  • Economic models use assumptions which simplify the effects of accounting, taxes, regulations, and other minutiae in order to glean insights into the drivers of market behavior and value.
  • The effects depletion and commoditization, relatively low cash costs, and often prohibitive resource replacement costs drive the endemically cyclical petroleum investment cycle
  • Petroleum economics are strongly levered to petroleum prices and other extrinsic factors.
  • Maintaining a sufficiently low cost of supply is the primary operational lever capable of creating long-term investment value in the upstream business.
  • Timings of costs are a key consideration for evaluating investment decisions — known discount rates simplify decisions regarding timing preferences.

Figure 1: Pecos, Texas Oilfield
Source: Alexander Hogue. Pecos, Texas Oilfield. 1937

The Economics of the Upstream Petroleum Industry
The economics of the petroleum extraction is overwhelmingly colored by the economic factors of depletion and commoditization. Due to the fact that production depletes limited natural resources, the upstream industry must constantly explore for and develop additional resources. Given that the capital investments required to replace depleted resources are usually quite significant in relation to operating costs, resource replacement is a primary driver of costs. Commoditization describes the lack of differentiation in upstream business models and their end products. As a direct result of commoditization, the value propositions of upstream businesses are strongly levered to external market conditions (i.e., namely prices). Taken together, high replacement costs and supplier susceptibility to external market conditions have resulted in endemically cyclical petroleum supplies and prices.

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Drilling for Value, Pt 2: Fundamentals of Petroleum Resource Management

Author’s note: this article has been heavily redacted since its original publish date. Content on the upstream business was redacted and re-posted elsewhere in order to expand more on the business fundamentals there and the resource fundamentals here.


  • The previous installment established that cost-of-supply is the overwhelming driver of petroleum exploration and production value.
  • The geological processes which resulted in the accumulation of hydrocarbons and resulted in the formation of petroleum reservoirs strongly influence the quantities of recoverable resources and their production characteristics.
  • Additionally, geology is a key determinant of cost, and therefore also a key driver of upstream value.
  • A grasp of geological concepts facilitates the interpretation of language within company disclosures — ultimately helping investors identify instances where value and price diverge.

Figure 1: A Different Kind of LeaseA Different Kind of Lease
Source: Art and Framing Plus

Part 1 of this series broadly addressed the fundamentals of the broader petroleum value chain, especially from an investor’s perspective. This installment deep dives on the fundamentals of economic geology (i.e., petroleum resource management) in order to impart a holistic view of geological and technical factors governing petroleum recovery. Since cost-of-supply is the overwhelming driver of value in the upstream oil and gas business, and geology is often the overwhelming factor underlying cost, a basic understanding of petroleum geology is necessary to fully grasp the economic drivers. Topics include petroleum geology, petroleum geography, resource classification, petroleum recovery, and the fundamentals of resource quantity and production estimation. Following installments will leverage this knowledge to address the business fundamental of exploration and production, and subsequently the economics of the upstream business. At a later point, these foundations in petroleum geology, business fundamentals, and economics will help us maximize the utility of financial reports and unravel accounting minutiae.

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