SP is used many times to determine between shale and sandstone. Methods of Well Logging Mud Logs refers to the drilling mud, or drilling fluid, used to provide buoyancy to the drill, as well as ...

Schlumberger will conduct the "mud logging" operation for an excavation project in the East Sea that could potentially ...

Schlumberger will conduct the "mud logging" operation for an excavation project in the East Sea that could potentially uncover between 3.5 billion and 14 billion barrels of gas and oil ...