friction reducer

{
  "id": "MLC-T-ENV-011722",
  "term": "friction reducer",
  "field": "Environment",
  "definition": "1. A wide section of the DP cone or probe designed to enlarge a boring so that the DP rods above the friction reducer do not inhibit the advancement of the probe. Expendable friction reducers can be used for grouting on advance.\n\n2. Chemicals such as potassium chloride that lessen tubular friction when fluid is being pumped into the wellbore during hydraulic fracturing.",
  "subject": "Land, waste and cleanup",
  "references": [
    "Underground Storage Tank Sites Guide Glossary",
    "EPA EV-Chemical Substances-Chemical Roles"
  ],
  "url": "https://mlchart.com/terminology/environment/friction-reducer/"
}