Navalyze · Chemical tanker · Ship

PYXIS THETA

IMO: 9657064
Type: Chemical tanker
Average cargo carried: 24,869 t
Port of registry: Valletta
Technical efficiency: EEXI 4.89 g CO₂/t·nm

ISM company (DoC holder) in 2025: SEVENTHONE CORP

Report year

2025 at a glance

From the 2025 THETIS-MRV report. Carries about 24,869 t of cargo on average.

Fuel per mile

106.4 kg/nm

Chemical tanker median 79.7 kg/nm (+34%)

CO₂ per transport work (cargo)

13.45

g CO₂/t·nm · Chemical tanker median 15.04 (−11%)

Average speed

11.4 kn

Chemical tanker median 11.1 kn (+3%)

Fuel per day at sea

29.0 t/day

Fuel consumed

1,760 t

CO₂ emitted

5,533 t

5,620 t CO₂eq incl. CH₄ and N₂O

Distance sailed

16,542 nm

CO₂ ÷ CO₂ per mile

Time at sea

1,456 h

61 days, 17% 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 per mileThis ship 106.4 kg/nm · median 79.7 (+34%)

52.8Ranks 1,264 of 1,460, lowest first111.0

Average speedThis ship 11.4 kn · median 11.1 (+3%)

8.8Faster than 58% of chemical tanker ships12.4

CO₂ per transport work (cargo)This ship 13.45 g CO₂/t·nm · median 15.04 (−11%)

7.93Ranks 625 of 1,460, lowest first40.17

Middle 80% of shipsMiddle 50%Chemical 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 ports15%
From the EU7%
Into the EU67%
At berth in the EU11%

63% of this ship's CO₂ falls under the EU ETS (3,486 t).

Fuel burned laden

–

Not reported

CO₂ at berth

11.0%

Alongside in EU ports

Methane (CH₄)

0.1 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 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 per mile, kg/nm

PYXIS THETA
Chemical tanker median

70.080.090.0100.0110.0

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

Average speed, kn

PYXIS THETA
Chemical tanker median

8.010.012.014.0

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

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

PYXIS THETA
Chemical tanker median

0.020.040.060.0

’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	+0.1 kn	+16%	+17%	−48%	+49%	Same speed, fuel per mile up 16%; worse than speed alone explains (fouling, weather, loading or trade).
2023→2024	−0.5 kn	+11%	+7%	+47%	−10%	0.5 kn slower, fuel per mile up 11%; worse than speed alone explains (fouling, weather, loading or trade).
2022→2023	+3.8 kn	−21%	+17%	+245%	−81%	3.8 kn faster, fuel per mile down 21%; better than speed alone explains (hull, engine or trade).
2021→2022	−3.0 kn	+2%	−27%	−85%	+305%	3.0 kn slower, fuel per mile flat; worse than speed alone explains (fouling, weather, loading or trade).
2020→2021	−1.3 kn	+16%	+4%	+2%	+31%	1.3 kn slower, fuel per mile up 16%; worse than speed alone explains (fouling, weather, loading or trade).
2019→2020	+2.8 kn	−0%	+29%	+42%	+30%	2.8 kn faster, fuel per mile flat; better than speed alone explains (hull, engine 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	SEVENTHONE CORP	1,760	5,533	16,542	1,456	11.4	106.4	13.45	–
2024	SEVENTHONE CORP	2,932	9,219	32,063	2,832	11.3	91.4	9.01	–
2023	not published	1,795	5,629	21,807	1,854	11.8	82.3	10.02	–
2022	not published	659	2,075	6,321	795	8.0	104.2	54.06	–
2021	not published	4,283	13,455	41,818	3,798	11.0	102.4	13.36	–
2020	not published	3,607	11,371	40,815	3,327	12.3	88.4	10.19	–
2019	not published	2,555	7,991	28,798	3,042	9.5	88.7	7.84	–

Benchmark and verification

Year	ISM company	CO₂ per TW, g CO₂/t·nm	Chemical tanker median	vs Chemical tanker	Rank	Verifier	Methods
2025	SEVENTHONE CORP	13.45	15.04	−11%	625 of 1,460	Lloyd's Register	B
2024	SEVENTHONE CORP	9.01	16.73	−46%	173 of 1,274	Lloyd's Register	B
2023	not published	10.02	16.23	−38%	215 of 1,314	Lloyd's Register	B
2022	not published	54.06	16.06	+237%	1,355 of 1,409	Lloyd's Register	B
2021	not published	13.36	16.69	−20%	441 of 1,343	Lloyd's Register	B
2020	not published	10.19	16.16	−37%	188 of 1,312	Lloyd's Register	B
2019	not published	7.84	17.32	−55%	53 of 1,321	Lloyd's Register	B

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.