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Directive 051

Injection and Disposal Wells – Well Classifications, Completions, Logging, and Testing Requirements

Release Date
Effective Date

Replaces the previous edition released on March 1, 1994.
Released with Bulletin 2026-31.

Purpose of this Directive

This directive sets out requirements for wellbore design, wellbore integrity logging, operational monitoring, and reporting requirements of injection wells for the purposes of enhanced recovery, hydrocarbon storage, and disposal.

A system of classifying injection and disposal wells has been developed on the basis of injected or disposed fluid such that design, operating, and monitoring requirements are consistent with the type of the fluids injected.

For more information, see section 1.3, “What’s New in This Edition."

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