hollow stem auger drilling

{
  "id": "MLC-T-ENV-013387",
  "term": "hollow stem auger drilling",
  "field": "Environment",
  "definition": "1. A conventional drilling method that uses rotating augers to penetrate the soil. As the augers are rotated, soil cuttings are conveyed to the ground surface via spiral flights. Hollow stem augers allow the rig operator to advance DP tools inside of the augers.\n\n2. Conventional drilling method that uses augurs to penetrate the soil. As the augers are rotated, soil cuttings are conveyed to the ground surface via augur spirals. DP tools can be used inside the hollow augers.",
  "subject": "General environmental",
  "references": [
    "Underground Storage Tank Sites Guide Glossary",
    "Terms of Environment"
  ],
  "url": "https://mlchart.com/terminology/environment/hollow-stem-auger-drilling/"
}