this likely was the results that opec was hoping for- make oil prices cheap- cause US drilling ot dry up because they can’t afford to keep drilling because prices are so ‘low’, then raise prices once the oil rigs are all disassembled-
I don’t know much about the workings of opec etc- but this seems the likely scenario-
The rigs that are not worn out will be stacked in the yards waiting for the inevitable rise. It is a question of when...