Navalyze · Oil tanker · Ship

SEASPRITE

IMO: 9711468
Type: Oil tanker
Average cargo carried: 57,726 t
Port of registry: Valletta
Technical efficiency: EEDI 2.89 g CO₂/t·nm

ISM company (DoC holder) in 2025: Thenamaris Ships Management Inc. · part of Thenamaris

Report year

2025 at a glance

From the 2025 THETIS-MRV report. Carries about 57,726 t of cargo on average.

Fuel per mile

130.3 kg/nm

Oil tanker median 128.5 kg/nm (+1%)

CO₂ per transport work (cargo)

7.08

g CO₂/t·nm · Oil tanker median 7.95 (−11%)

Average speed

10.7 kn

Oil tanker median 10.7 kn (+0%)

Fuel per day at sea

33.5 t/day

Fuel consumed

4,772 t

CO₂ emitted

14,966 t

15,201 t CO₂eq incl. CH₄ and N₂O

Distance sailed

36,619 nm

CO₂ ÷ CO₂ per mile

Time at sea

3,417 h

142 days, 39% 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 per mileThis ship 130.3 kg/nm · median 128.5 (+1%)

76.1Ranks 869 of 1,665, lowest first190.8

Average speedThis ship 10.7 kn · median 10.7 (+0%)

8.0Faster than 50% of oil tanker ships12.1

CO₂ per transport work (cargo)This ship 7.08 g CO₂/t·nm · median 7.95 (−11%)

4.51Ranks 663 of 1,665, lowest first27.66

Middle 80% of shipsMiddle 50%Oil tanker medianThis ship

Where the emissions happen, 2025

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 ports10%
From the EU26%
Into the EU53%
At berth in the EU10%

60% of this ship's CO₂ falls under the EU ETS (9,020 t).

Fuel burned laden

–

Not reported

CO₂ at berth

10.1%

Alongside in EU ports

Methane (CH₄)

0.2 t

Mainly from LNG; small for oil

CO₂eq ÷ CO₂

1.016

Uplift from CH₄ and N₂O, counted in full from 2026

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 per mile, kg/nm

SEASPRITE
Oil tanker median

110.0120.0130.0140.0150.0

’182018’192019’202020’212021’222022’232023’242024’252025

Average speed, kn

SEASPRITE
Oil tanker median

7.08.09.010.011.0

’182018’192019’202020’212021’222022’232023’242024’252025

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

SEASPRITE
Oil tanker median

4.06.08.010.012.0

’182018’192019’202020’212021’222022’232023’242024’252025

Year on year

Year	Speed	Fuel per mile	Fuel per day	Distance	CO₂ per TW	Reading
2024→2025	+3.7 kn	−0%	+54%	−14%	−32%	3.7 kn faster, fuel per mile flat; better than speed alone explains (hull, engine or trade).
2023→2024	+0.0 kn	−4%	−5%	+40%	+44%	Same speed, fuel per mile down 4%; in line with the speed change.
2022→2023	−1.6 kn	+19%	−3%	+5%	+25%	1.6 kn slower, fuel per mile up 19%; worse than speed alone explains (fouling, weather, loading or trade).
2021→2022	+0.1 kn	+0%	+2%	+31%	−19%	Same speed, fuel per mile flat.
2020→2021	+1.0 kn	−1%	+12%	+167%	+39%	1.0 kn faster, fuel per mile flat; better than speed alone explains (hull, engine or trade).
2019→2020	−0.5 kn	−20%	−25%	−81%	−45%	0.5 kn slower, fuel per mile down 20%; better than speed alone explains (hull, engine or trade).
2018→2019	−2.6 kn	+16%	−12%	+4%	+48%	2.6 kn slower, fuel per mile up 16%; 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	At sea h	Speed kn	Fuel kg/nm	CO₂ g/t·nm	Laden fuel
2025	Thenamaris Ships Management Inc.	4,772	14,966	36,619	3,417	10.7	130.3	7.08	–
2024	Thenamaris Ships Management Inc.	5,567	17,434	42,613	6,122	7.0	130.6	10.39	–
2023	not published	4,148	13,029	30,413	4,320	7.0	136.4	7.23	–
2022	not published	3,302	10,411	28,912	3,344	8.6	114.2	5.80	–
2021	not published	2,508	7,889	22,069	2,584	8.5	113.7	7.19	–
2020	not published	950	2,969	8,253	1,097	7.5	115.1	5.18	–
2019	not published	6,181	19,367	43,039	5,367	8.0	143.6	9.49	–
2018	not published	5,089	16,001	41,271	3,881	10.6	123.3	6.40	–

Benchmark and verification

Year	ISM company	CO₂ per TW, g CO₂/t·nm	Oil tanker median	vs Oil tanker	Rank	Verifier	Methods
2025	Thenamaris Ships Management Inc.	7.08	7.95	−11%	663 of 1,665	RINA	B+C
2024	Thenamaris Ships Management Inc.	10.39	8.06	+29%	1,206 of 1,787	RINA	B+C
2023	not published	7.23	8.44	−14%	688 of 1,797	RINA	B+C
2022	not published	5.80	8.51	−32%	414 of 1,961	RINA	B+C
2021	not published	7.19	8.86	−19%	626 of 1,789	RINA	B+C
2020	not published	5.18	9.03	−43%	232 of 1,870	RINA	B+C
2019	not published	9.49	8.83	+7%	1,065 of 1,919	RINA	B+C
2018	not published	6.40	8.86	−28%	484 of 1,779	RINA	B+C

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.