Mechanical integrity

{
  "id": "MLC-T-ENV-016838",
  "term": "Mechanical integrity",
  "field": "Environment",
  "definition": "1. The absence of significant leakage within the injection tubing, casing, or packer (known as internal mechanical integrity), or outside of the casing (known as external mechanical integrity). Periodic mechanical integrity tests (MITs) are performed to confirm that a well maintains internal and external mechanical integrity. MITs are a means of measuring the adequacy of the construction of an injection well.\n\n2. Title 40 of the Code of Federal Regulations (40 CFR) Section 146.8 defines mechanical integrity. An injection well has mechanical integrity if: Part I: There is no significant leak in the casing, tubing or packer (internal mechanical integrity); and Part II: There is no significant fluid movement into an underground source of drinking water through vertical channels adjacent to the injection wellbore (external mechanical integrity).",
  "subject": "Land, waste and cleanup",
  "references": [
    "Underground Injection Control Glossary",
    "Underground Injection Control Terms"
  ],
  "url": "https://mlchart.com/terminology/environment/mechanical-integrity/"
}