Sevan Driller

At 50,663 gross tons, Sevan Driller is the 9,846th largest of the 84,014 vessels in this registry that report a tonnage. The median across that set is 5,994 GT, so this hull is about 8.5 times the typical vessel on record here. The largest measures 499,167 GT.

Among the 911 rig / offshore units held here, it ranks 93rd by tonnage — larger than 89% of that group. Their median tonnage is 9,254 GT, and the largest tenth begin at 51,732 GT. The flag most often flown by this group is Liberia (179 ships). The yard that appears most often against it is Hanwha Ocean, with 27 hulls on record.

Panama is the country of registry for 9,598 vessels in this directory, of which Sevan Driller is the 1,416th largest by tonnage. The most common class under that flag is vessels this registry holds no type classification for (5,698 ships), and the median vessel measures 18,203 GT. Browse every ship flagged Panama.

Narrowing to both dimensions at once, this registry holds 107 rig / offshore units flying the Panama flag, of which 14 are larger by tonnage.

Sevan Driller was built in 2009, making it 17 years old. It is one of 2,834 hulls in this registry delivered that year, a cohort whose median tonnage is 11,673 GT; within it this ship is the 466th largest. Across the whole of the 2000s the registry holds 18,605 vessels, median 9,957 GT. The median build year across the entire registry is 1995.

At 84.0 m overall, Sevan Driller is 10.0 m longer than the 74.0 m median for rig / offshore units on record.

IMO numbers are issued in broadly chronological blocks. Within 500 either side of 8769846 this registry holds 48 other vessels, whose median build year is 2010 and which range from 2007 to 2015. That places this hull’s registration in the same part of the series, consistent with its recorded build year of 2009.

Its IMO number, 8769846, carries its own check digit. The first six digits are weighted seven down to two and summed — = 196 — and the last digit of that total, 6, must equal the seventh digit, 6. It does, so this number is well formed.