Toolface

{
  "id": "MLC-T-OAG-003863",
  "term": "Toolface",
  "field": "Oil and gas",
  "definition": "The azimuthal orientation of a downhole drilling tool, such as a bent sub or a steerable motor, relative to a fixed reference point. It indicates the direction in which the drilling assembly is attempting to steer the wellbore. Toolface measurements are transmitted to the surface in real-time by measurement-while-drilling (MWD) tools, typically expressed in degrees clockwise from high side or magnetic north.",
  "subject": "Drilling",
  "url": "https://mlchart.com/terminology/oil-and-gas/toolface/"
}