What does OBM stand for?

OBM stands for "Oil-Based Mud"

How to abbreviate "Oil-Based Mud"?

"Oil-Based Mud" can be abbreviated as OBM

What is the meaning of OBM abbreviation?

The meaning of OBM abbreviation is "Oil-Based Mud"

What does OBM mean?

OBM as abbreviation means "Oil-Based Mud"