North Dakota Administrative Code
Title 43 - Industrial Commission
Article 43-02 - Mineral Exploration and Development
Chapter 43-02-02.4 - Solution Mining
Section 43-02-02.4-22 - Mechanical integrity testing
Universal Citation: ND Admin Code ยง 43-02-02.4-22
Current through Supplement No. 392, April, 2024
1. Prior to commencing operations, the operator of a new injection well must demonstrate the mechanical integrity of the well. Injection wells must demonstrate continual mechanical integrity and be tested at least once every five years. An injection well has mechanical integrity if:
a. There is no significant leak
in the casing, tubing, or packer; and
b. There is no significant fluid movement
into an underground source of drinking water or an unauthorized zone through
vertical channels adjacent to the injection bore.
2. One of the following methods must be used to evaluate the absence of significant leaks:
a. Pressure test with liquid or
gas.
b. Monitoring of positive
annulus pressure following a valid pressure test.
c. Radioactive tracer survey.
3. One of the following methods must be used to establish the absence of significant fluid movement:
a. A log from which cement can be determined
or well records demonstrating the presence of adequate cement to prevent such
migration.
b. Radioactive tracer
survey, temperature log, or noise log.
General Authority: NDCC 38-12-02
Law Implemented: NDCC 38-12-02
Disclaimer: These regulations may not be the most recent version. North Dakota may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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