This will be a big challenge for people that are not expert about drilling system like me.
The following one is a picture taken in a specific moment on the rig floor, after we finished the casing (if you don’t know what the casing is, see a previous post about).
Try to guess what is the most important object in this picture in this moment of the operation. Difficult , isn’t it?!
Keep going in following the blog and you will know the answer!