On Monday morning, the ship, which had picked up its cargo in the United Arab Emirates, was sighted off the coast of Oman.
Neither the Pakistani shipping company National Shipping, which owns the ship, nor Pakistan's Ministry of Energy have responded to Bloomberg's questions about the ship.
Traffic through the strait has essentially come to a standstill due to Iranian attacks and threats to civilian shipping after the US and Israel began bombing Iran on February 28.
According to the British analysis firm Lloyd's List, only 77 ships passed through the Strait of Hormuz from March 1 to March 11, compared to almost 1,300 during the same period last year.
