Entry Level Operator Assistant l Cementing

Basically wanted to know what this job consist off and if it is a good job. I've been looking at Halliburton for some time, matter of fact, got a job offer for the same position a while back but denied it since i already had a job at the time, and was wondering what i should expect if i were to get the job. Would appreciate any insight of the job from experienced oil field workers and how much more different it is than hauling intrastate.
Any help appreciated.