What does UBD stand for?
UBD stands for "Under Balanced Drilling"
How to abbreviate "Under Balanced Drilling"?
"Under Balanced Drilling" can be abbreviated as UBD
What is the meaning of UBD abbreviation?
The meaning of UBD abbreviation is "Under Balanced Drilling"
What does UBD mean?
UBD as abbreviation means "Under Balanced Drilling"