NAC445A.917. Tests for mechanical integrity: Methods for evaluating absence of leaks.  


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  • One of the following methods must be used in the test for mechanical integrity to evaluate the absence of significant leaks in the casing, tubing or packer:

         1. Monitoring the pressure on the annulus between the casing and tubing after an initial pressure test.

         2. A test for pressure with liquid.

         3. A survey using a radioactive tracer.

     (Added to NAC by Environmental Comm’n, eff. 7-22-87)—(Substituted in revision for NAC 445.4274)