Drill Collar

Drill Collar app is database of Ideal Drill Collar Range.

When select Open Hole Size, the app will show below data:
- CASING SIZE TO BE RUN, inch
- IDEIAL DRILL COLLAR RANGE, inch
- API DRILL COLLAR SIZES WHICH FALL IN THE IDEAL RANGE, inch

The minimum size drill-collar is calculated from the Lubinski and Hock equation.

Easy. Simple. Useful.

Work Safe!