18 July 2017
Before hoisting the drill stem from the hole, it is desirable to pump in to the top of the drill stem a quantity of very heavy […]
18 July 2017
1) in drilling, a plastic mixture of cement and water that is pumped into a well to harden. There it supports the casing and provides a […]
18 July 2017
Now commonly used as mud pit. Originally it was the pit in which clay and shale cuttings used to mix mud were stored.
18 July 2017
The recording of the time required for a sound wave to travel a specific distance through a formation. Difference in observed travel times is largely caused […]