The drilling rig was not given a name but is simply referred to as "the Spindle top drilling rig".

All drilling rigs are designed to extract a significant amount of petroleum, which is trapped underground in a porous or permeable rock formation. The most common form of drilling rig has been the rotary rig.

Were is rig 304 located at

It is actually a hole in the ground, not a part of the rig.

Petroleum exploration is where a rig or ship is used to drill into the earth or seabed to locate oil reserves.

For offshore exploration a drill ship, jack-up drilling rig or floating drilling rig can be used. For onshore applications mobile drilling rig is used.