Storage tank arrangement

A storage tank arrangement suitable for storage of liquid gas, comprising:

• a storage tank suitable for storage of liquid gas comprising a tank inner wall and a tank outer wall separated by an insulating inter-wall region;
• inner and outer feedthrough arrangements, each configured to form a seal with a respective surface of the storage tank arrangement and to permit passage therethrough of one or more sensor cords, and/or permit connection of one or more sensors;
• and
• a container external of the storage tank outer wall, the container being configured to inhibit egress of the contents of the storage tank in an event of a failure of at least one of the inner and outer feedthrough arrangements.

A storage tank arrangement suitable for storage of liquid gas, comprising:

• a storage tank suitable for storage of liquid gas comprising a storage tank inner wall and a storage tank outer wall separated by an insulating inter-wall region;
• inner and outer feedthrough arrangements, each configured to form a seal with a respective surface of the storage tank arrangement and to permit passage therethrough of one or more sensor cords, and/or permit connection of one or more sensors;
• and
• a conduit which is in gaseous communication with an interior of the storage tank, wherein the conduit comprises:
• a detachable conduit portion, which is detachable to, and removable from, a further conduit portion, the detachable conduit portion comprising at least one of the inner and outer feedthrough arrangements.