NOV never valued hardwork, knowledge, quality experience, loyalty to the company, meanwhile claiming otherwise to attract talent from outside world. From what I've learned from those who quit NOV, their lives have been better, and they are not coming back.
https://www.cnbc.com/2019/09/12/1-in-5-workers-accepted-a-job-offer-and-ghosted-on-their-first-day.html