Explain the reserves-to-production ratio and its significance.

• A. R/P is the total amount of energy stored in a resource.
• B. R/P measures the price volatility of a resource.
• C. R/P is the number of years a resource would last based on current production; calculated as proven reserves divided by annual production.
• D. R/P indicates the efficiency of extraction technology.

Answer: (C)

The reserves-to-production ratio shows how many years the proven reserves would last if the current production rate continues. It’s calculated by dividing proven reserves by annual production. This ratio gives a practical, at-a-glance sense of depletion risk and helps plan investment, development timing, and policy decisions because a higher ratio suggests more time before running through known reserves at today’s pace, while a lower ratio signals tighter supply pressure. Keep in mind it’s a snapshot, not a forecast: reserves and production can change with price, technology, and new discoveries, and it doesn’t account for undiscovered resources or shifts in demand. It’s not about total energy stored, price volatility, or extraction efficiency.