There’s plenty of it happening with technologies that are easily transferable (e.g. ROVs). Less so on drilling, production equipment, etc.
Companies doing subsea construction, inspection, maintenance, etc, are likely to be coping a lot better than the traditional O&G service companies.
Although even then everyone is struggling as the wind market is in the toilet also. A lot of the investment in offshore wind comes from oil companies trying to (or appearing to try to) diversify into clean energies but there seems to be a reluctance to invest more if the returns from oil production is drying up or being heavily taxed.
Next 6 months are going to be grim for the city.