Navalyze · Chemical tanker · Ship

DENSA DERYA

IMO: 9367358
Type: Chemical tanker
Average cargo carried: 3,946 t
Flag (estimated): Malta
Port of registry: Valletta
Technical efficiency: EEXI 14.38 g CO₂/t·nm
Former names: ST MARSEILLE, VS SALMA

ISM company (DoC holder) in 2025: Densa Tanker Isletmeciligi Ltd

Report year

2019 at a glance

From the 2019 THETIS-MRV report. Carries about 2,339 t of cargo on average.

Fuel kg/nm

58.6

Chemical tanker median 88.3 kg/nm (−34%)

CO₂ per transport work (cargo)

79.1

g CO₂/t·nm · Chemical tanker median 17.3 (+357%)

Average speed

11.6 kn

Chemical tanker median 10.1 kn (+15%)

Fuel per day at sea

16.3 t/day

Fuel consumed

2,261 t

CO₂ emitted

7,130 t

Distance sailed

38,551 nm

CO₂ ÷ CO₂ per mile

Time at sea

3,329 h

139 days, 38% of the year

Within the chemical tanker fleet, 2025

Set against all 1,460 chemical 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 47.3 kg/nm · median 79.7 (−41%)

52.8Ranks 74 of 1,460, lowest first111

Average speedThis ship 7.7 kn · median 11.1 (−31%)

8.8Faster than 6% of chemical tanker ships12.4

CO₂ per transport work (cargo)This ship 38.4 g CO₂/t·nm · median 15.0 (+156%)

7.93Ranks 1,292 of 1,460, lowest first40.2

Middle 80% of shipsMiddle 50%Chemical tanker medianThis ship

Where the emissions happen, 2019

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 ports58%
From the EU9%
Into the EU5%
At berth in the EU28%

Fuel burned laden

–

Not reported

CO₂ at berth

2,003 t

28.1% 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 Chemical tanker median is the middle ship of all chemical tanker ships reporting that year; it moves with the fleet, so a ship can gain on it without changing itself.

Fuel kg/nm

DENSA DERYA
Chemical tanker median

40.060.080.0100.0

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

Average speed, kn

DENSA DERYA
Chemical tanker median

4.06.08.010.012.0

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

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

DENSA DERYA
Chemical tanker median

0.020.040.060.080.0100

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

Year on year

Year	Average speed	Fuel kg/nm	Fuel per day at sea	Distance	CO₂ per transport work	Reading
2024→2025	−0.1 kn	−21%	−23%	+72%	−29%	Same speed, fuel per mile down 21%; better than speed alone explains (hull, engine or trade).
2023→2024	−2.0 kn	−2%	−21%	−24%	−19%	2.0 kn slower, fuel per mile flat; worse than speed alone explains (fouling, weather, loading or trade).
2022→2023	+0.3 kn	−10%	−8%	−13%	−25%	0.3 kn faster, fuel per mile down 10%; better than speed alone explains (hull, engine or trade).
2021→2022	+3.0 kn	+10%	+63%	+3%	+41%	3.0 kn faster, fuel per mile up 10%; better than speed alone explains (hull, engine or trade).
2020→2021	+1.2 kn	+1%	+22%	−16%	+20%	1.2 kn faster, fuel per mile flat; better than speed alone explains (hull, engine or trade).
2019→2020	−6.3 kn	+4%	−52%	−14%	−34%	6.3 kn slower, fuel per mile up 4%; worse than speed alone explains (fouling, weather, loading or trade).
2018→2019	+0.1 kn	−16%	−16%	+19%	+50%	Same speed, fuel per mile down 16%; better than speed alone explains (hull, engine or trade).

Part-year reports are left out of these comparisons. 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	Densa Tanker Isletmeciligi Ltd	1,555	4,985	32,879	4,281	7.7	47.3	38.4	3%
2024part-year	VALLOEBY SALMA LTD.	521	1,670	6,167	1,107	5.6	84.5	106	–
2024	Densa Tanker Isletmeciligi Ltd	1,144	3,667	19,085	2,436	7.8	59.9	54.5	–
2023	not published	1,528	4,899	25,067	2,566	9.8	61.0	66.9	–
2022	not published	1,956	6,271	28,850	3,035	9.5	67.8	88.7	–
2021	not published	1,717	5,505	27,879	4,321	6.5	61.6	63.1	–
2020	not published	2,027	6,497	33,183	6,259	5.3	61.1	52.6	53%
2019	not published	2,261	7,130	38,551	3,329	11.6	58.6	79.1	–
2018	not published	2,264	7,131	32,443	2,814	11.5	69.8	52.8	–

Benchmark and verification

Year	ISM company	CO₂ per TW, g CO₂/t·nm	Chemical tanker median	vs Chemical tanker	Rank	Verifier	Methods
2025	Densa Tanker Isletmeciligi Ltd	38.4	15.0	+156%	1,292 of 1,460	Bureau Veritas	B
2024part-year	VALLOEBY SALMA LTD.	–	–	–	–	DNV	B
2024	Densa Tanker Isletmeciligi Ltd	54.5	16.7	+226%	1,215 of 1,274	Bureau Veritas	B
2023	not published	66.9	16.2	+312%	1,280 of 1,314	Lloyd's Register	B
2022	not published	88.7	16.1	+452%	1,396 of 1,409	Lloyd's Register	B
2021	not published	63.1	16.7	+278%	1,309 of 1,343	Lloyd's Register	B
2020	not published	52.6	16.2	+225%	1,254 of 1,312	Bureau Veritas	A+B
2019	not published	79.1	17.3	+357%	1,305 of 1,321	Bureau Veritas	A+B
2018	not published	52.8	17.1	+208%	1,211 of 1,294	Bureau Veritas	–

Fuel per mile and CO₂ per tonne-mile are the ship's own reported KPIs. Chemical 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 chemical 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.