I applied in-person. The process took 1 day. I interviewed at Precision Well Logging (Houston, TX) in May 2017
Interview
Very friendly and easy going process. They show you the work trailer you will be staying in if housing is not provided. Give a few personal tips before going. Warn you about snakes and spiders. Tell you to think about the job opportunity for a couple days then call them back if you want the job.