It takes up to 5 years.
It takes 20000 day to build an oil rig.
Normally a Tanker carries some liquid, mostly Oil, therefore the term "Oil Tanker".
It was not an oil tanker, but a drilling platform.
The worlds first successful oil tanker was built by Ludvig Nobel
the oil tanker weigh about 2000 pound tonnes
The Mega Borg tanker spilled oil into the Gulf of Mexico in 1990.
Approximately how far off course was this oil tanker?
Transporting Oil.
about a fiver
A Oil Tanker can carry up to 550,000 DWT '' Dead Weight Tons'' DelSol_Racer.
The world's largest oil tanker is the Hua San built in 2008 and waving the Singapore flag. It measures 333 meters long and 60 meters wide with a gross tonnage of 164,680 tons.
An oil tanker would be carrying crude oil, not refined product. So the answer would be zero.