It is used as a safety device to prevent the threads of gun assembly and loaded gun from humidity.
Firing head is a mechanical or electronic device used to detonate perforating charges conveyed by tubing, drillpipe, coiled tubing or slickline. It thus connotes any such device that is not initiat...
It enables rotational movement between the cable head and the toolstring below, allowing the cable to torque and un-torque as it is run in and out of the well. This is particularly important when r...