bent subassembly

{
  "id": "MLC-T-ENV-003002",
  "term": "bent subassembly",
  "field": "Environment",
  "definition": "A device that can be used in horizontal directional drilling to change the drilling path. It attached as part of the drill string, between the drillhead and the drill pipe. Also known as a bent sub.",
  "subject": "Land, waste and cleanup",
  "references": [
    "Glossary of Technical Terms: Office of Underground Storage Tanks"
  ],
  "url": "https://mlchart.com/terminology/environment/bent-subassembly/"
}