I found that generally Western operators (National Grid, GRT, Chevron Midstream etc) had high a high calibre of technical staff and were hard to mug off. Chinese, Asian, and the smaller Middle Eastern operators (not the likes of aramco), could be sold snake oil and would take a back hander for an inspection contract. That’s not to say Western standards eliminated faults, but they’d spend a fortune dealing with them and wouldn’t tolerate bullshit.