The following disciplines would benefit from safety training on hydrogen projects:

1. Engineering and technical personnel - These workers design and maintain hydrogen infrastructure and need to have a thorough understanding of safety procedures and protocols to reduce the risks associated with hydrogen transportation and storage.

2. Construction workers - They install and maintain hydrogen equipment and need to know the proper handling and storage procedures to reduce the risk of accidents and improve their own safety.

3. Transportation workers - They are involved in the transport of hydrogen fuel and must understand the safe handling and transportation procedures to reduce the risk of leaks, explosions or accidents.

4. Emergency responders and first responders - They are the first ones at the scene of an emergency and need to be trained to identify and mitigate potential hazards associated with a hydrogen incident. 

Training in hydrogen safety is crucial in these disciplines to promote safe working practices, avoid accidents, and prevent fatalities. A comprehensive safety training program should include topics such as hydrogen properties, handling, storage, transportation, and emergency response protocols.

In conclusion, it is essential that we prioritize training in hydrogen safety for workers across a variety of disciplines. Safety training is necessary to minimize the risks associated with hydrogen and to create safer working environments. 

For professionals in the oil and gas industry, this transition represents an opportunity to apply their skills and experience to a new field. While the processes involved in hydrogen production differ from those used in fossil fuel extraction, many of the skills required for success are transferable. This includes everything from project management and engineering know-how to a deep understanding of how to comply with environmental regulations.

By engaging with the hydrogen energy transition, oil and gas professionals can position themselves to remain relevant in a rapidly changing industry. They can leverage their experience and skills to tackle new challenges, gain exposure to innovative technologies, and contribute to a more sustainable energy future for us all.

As the transition to hydrogen energy and other renewable sources continues, it's clear that professionals from various industries and backgrounds will need to come together to make it a reality. By using transferable skills and expanding their knowledge base, oil and gas veterans can be at the forefront of this exciting shift.