Navalyze · Oil tanker · Ship

PATRIOTIC

IMO: 9819832
Type: Oil tanker
Average cargo carried: 100,109 t
Flag (estimated): Greece
Port of registry: Piraeus
Technical efficiency: EEDI 2.54 g CO₂/t·nm

ISM company (DoC holder) in 2025: Nereus Shipping SA

Report year

2023 at a glance

From the 2023 THETIS-MRV report. Carries about 60,050 t of cargo on average.

Fuel kg/nm

132

Oil tanker median 129 kg/nm (+2%)

CO₂ per transport work (cargo)

6.86

g CO₂/t·nm · Oil tanker median 8.44 (−19%)

Average speed

11.6 kn

Oil tanker median 11.0 kn (+5%)

Fuel per day at sea

36.8 t/day

Fuel consumed

7,093 t

CO₂ emitted

22,197 t

Distance sailed

53,884 nm

CO₂ ÷ CO₂ per mile

Time at sea

4,631 h

193 days, 53% of the year

Within the oil tanker fleet, 2025

Set against all 1,665 oil tanker ships with a full-year 2025 report. Bigger ships burn more per mile but less per tonne of cargo, so read fuel per mile with the ship's size in mind.

Fuel kg/nmThis ship 122 kg/nm · median 129 (−5%)

76.1Ranks 716 of 1,665, lowest first191

Average speedThis ship 12.2 kn · median 10.7 (+14%)

8.0Faster than 92% of oil tanker ships12.1

CO₂ per transport work (cargo)This ship 3.84 g CO₂/t·nm · median 7.95 (−52%)

4.51Ranks 77 of 1,665, lowest first27.7

Middle 80% of shipsMiddle 50%Oil tanker medianThis ship

Where the emissions happen, 2023

THETIS splits each ship's CO₂ by voyage type. The split sets how much falls under the EU ETS: all of it within the EU and at berth, half of it on voyages into or out of the EU.

Between EU ports0%
From the EU44%
Into the EU49%
At berth in the EU7%

Fuel burned laden

–

Not reported

CO₂ at berth

1,485 t

6.7% of the ship's CO₂, alongside in EU ports

Methane (CH₄)

–

Mainly from LNG; small for oil, biofuel and methanol

CO₂eq uplift

–

CO₂eq on top of CO₂ alone, from CH₄ and N₂O

Over the years

Full-year reports only. The Oil tanker median is the middle ship of all oil tanker ships reporting that year; it moves with the fleet, so a ship can gain on it without changing itself.

Fuel kg/nm

PATRIOTIC
Oil tanker median

120.0130.0140.0150.0160.0170.0

’192019’202020’212021’222022’232023’242024’252025

Average speed, kn

PATRIOTIC
Oil tanker median

8.09.010.011.012.013.0

’192019’202020’212021’222022’232023’242024’252025

CO₂ per transport work (cargo), g CO₂/t·nm

PATRIOTIC
Oil tanker median

2.04.06.08.010.0

’192019’202020’212021’222022’232023’242024’252025

Year on year

Year	Average speed	Fuel kg/nm	Fuel per day at sea	Distance	CO₂ per transport work	Reading
2024→2025	+0.0 kn	+1%	+2%	+2%	−38%	Same speed, fuel per mile flat.
2023→2024	+0.6 kn	−8%	−4%	+25%	−10%	0.6 kn faster, fuel per mile down 8%; better than speed alone explains (hull, engine or trade).
2022→2023	+0.9 kn	−18%	−10%	+418%	+28%	0.9 kn faster, fuel per mile down 18%; better than speed alone explains (hull, engine or trade).
2021→2022	−0.7 kn	+23%	+15%	−64%	+25%	0.7 kn slower, fuel per mile up 23%; worse than speed alone explains (fouling, weather, loading or trade).
2020→2021	+2.7 kn	+0%	+31%	−33%	−21%	2.7 kn faster, fuel per mile flat; better than speed alone explains (hull, engine or trade).
2019→2020	−2.4 kn	+2%	−20%	−24%	−10%	2.4 kn slower, fuel per mile up 2%; worse than speed alone explains (fouling, weather, loading or trade).

Fuel per mile rises roughly with the square of speed for a given ship, so a change in speed explains much of a change in fuel per mile.

Every reporting year

One row per THETIS-MRV report. A ship that changed operator during a year has a part-year report for each.

Operation

Year	ISM company	Fuel t	CO₂ t	Distance nm	Hours at seah	Average speedknots at sea	Fuel kg/nmthis ship	CO₂ per transport work (cargo)g/t·nm, this ship	Laden fuel
2025	Nereus Shipping SA	8,425	26,499	68,932	5,654	12.2	122	3.84	–
2024	Nereus Shipping SA	8,133	25,482	67,410	5,539	12.2	121	6.16	–
2023	not published	7,093	22,197	53,884	4,631	11.6	132	6.86	–
2022	not published	1,666	5,220	10,400	976	10.7	160	5.36	–
2021	not published	3,747	11,741	28,775	2,521	11.4	130	4.29	–
2020	not published	5,569	17,437	42,893	4,906	8.7	130	5.41	–
2019	not published	7,143	22,347	56,140	5,037	11.1	127	6.03	–

Benchmark and verification

Year	ISM company	CO₂ per TW, g CO₂/t·nm	Oil tanker median	vs Oil tanker	Rank	Verifier	Methods
2025	Nereus Shipping SA	3.84	7.95	−52%	77 of 1,665	EMICERT	A
2024	Nereus Shipping SA	6.16	8.06	−24%	502 of 1,787	EMICERT	A
2023	not published	6.86	8.44	−19%	613 of 1,797	EMICERT	A
2022	not published	5.36	8.51	−37%	318 of 1,961	EMICERT	A
2021	not published	4.29	8.86	−52%	118 of 1,789	EMICERT	A
2020	not published	5.41	9.03	−40%	269 of 1,870	EMICERT	A
2019	not published	6.03	8.83	−32%	428 of 1,919	EMICERT	A

Fuel per mile and CO₂ per tonne-mile are the ship's own reported KPIs. Oil tanker ships are benchmarked on CO₂ per transport work (cargo) (TW), in g CO₂/t·nm. CO₂eq adds methane and nitrous oxide and is in the public files from 2024. Rank counts from the lowest figure among that year's oil tanker ships. Methods: A delivery notes, B tank monitoring, C flow meters, D direct measurement. FuelEU GHG intensity is not shown: it needs fuel types, which the public file does not carry. Operators are named only from 2024, the first year the public files carry them; earlier years belong to the ship, not to any company.