Seek the relevant contents of natural gas emergency plan!
Find some connections, go to those big long-distance transportation companies and ask others about the emergency plan at the team level. But the equipment may be different, it may be a little different. Still have to compile it yourself and find the template, which is more troublesome. Possible situations, emergency procedures, safety matters, contact information of various government departments and relevant personnel, and how to restore equipment. Mainly security issues. Now it seems that HSE is more important.