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From the Archive:

Is well classification determined solely by gas-oil ratio (GOR)?

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Can a gas well produce oil and still remain classified as a gas well?

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Can historical well classifications be evaluated using today's rules?

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What is one of the most common misconceptions about well classification?

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Directive 051: Injection and Disposal Wells

D051

Jun 29, 2026

This page summarizes the purpose of Directive 051, when it applies, testing expectations, documentation requirements, and its relationship to other AER directives governing injection and disposal wells. It provides readers with a high-level reference and links to more detailed guidance.

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