Navalyze · Chemical tanker · Ship

CHEM HOUSTON

IMO: 9705720
Type: Chemical tanker
Average cargo carried: 11,185 t
Port of registry: Monrovia
Technical efficiency: EEDI 7.43 g CO₂/t·nm

ISM company (DoC holder) in 2025: ASM Maritime BV

Report year

2025 at a glance

From the 2025 THETIS-MRV report. Carries about 11,185 t of cargo on average.

Fuel per mile

73.3 kg/nm

Chemical tanker median 79.7 kg/nm (−8%)

CO₂ per transport work (cargo)

20.63

g CO₂/t·nm · Chemical tanker median 15.04 (+37%)

Average speed

12.5 kn

Chemical tanker median 11.1 kn (+13%)

Fuel per day at sea

21.9 t/day

Fuel consumed

1,787 t

CO₂ emitted

5,622 t

5,710 t CO₂eq incl. CH₄ and N₂O

Distance sailed

24,367 nm

CO₂ ÷ CO₂ per mile

Time at sea

1,955 h

81 days, 22% 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 73.3 kg/nm · median 79.7 (−8%)

52.8Ranks 566 of 1,460, lowest first111.0

Average speedThis ship 12.5 kn · median 11.1 (+13%)

8.8Faster than 90% of chemical tanker ships12.4

CO₂ per transport work (cargo)This ship 20.63 g CO₂/t·nm · median 15.04 (+37%)

7.93Ranks 969 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 ports45%
From the EU24%
Into the EU24%
At berth in the EU6%

73% of this ship's CO₂ falls under the EU ETS (4,127 t).

Fuel burned laden

–

Not reported

CO₂ at berth

5.8%

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

CHEM HOUSTON
Chemical tanker median

50.060.070.080.090.0100.0

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

Average speed, kn

CHEM HOUSTON
Chemical tanker median

9.010.011.012.013.0

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

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

CHEM HOUSTON
Chemical tanker median

12.515.017.520.022.5

’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	−0.5 kn	+4%	+0%	+34%	−4%	0.5 kn slower, fuel per mile up 4%; worse than speed alone explains (fouling, weather, loading or trade).
2023→2024	+1.1 kn	+0%	+9%	−17%	+43%	1.1 kn faster, fuel per mile flat; better than speed alone explains (hull, engine or trade).
2022→2023	−1.1 kn	+17%	+7%	−37%	+16%	1.1 kn slower, fuel per mile up 17%; worse than speed alone explains (fouling, weather, loading or trade).
2021→2022	+1.3 kn	+1%	+11%	+8%	−4%	1.3 kn faster, fuel per mile flat; better than speed alone explains (hull, engine or trade).
2020→2021	+0.1 kn	−13%	−12%	−27%	−12%	Same speed, fuel per mile down 13%; better than speed alone explains (hull, engine or trade).
2019→2020	+1.9 kn	−12%	+4%	−11%	−17%	1.9 kn faster, fuel per mile down 12%; better than speed alone explains (hull, engine or trade).
2018→2019	−1.7 kn	−12%	−24%	+62%	−18%	1.7 kn slower, fuel per mile down 12%; 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	ASM Maritime BV	1,787	5,622	24,367	1,955	12.5	73.3	20.63	–
2024	ASM Maritime BV	1,277	4,017	18,167	1,400	13.0	70.3	21.54	–
2023	not published	1,534	4,824	21,811	1,835	11.9	70.3	15.04	–
2022	not published	2,066	6,482	34,386	2,645	13.0	60.1	13.01	–
2021	not published	1,908	6,062	31,908	2,717	11.7	59.8	13.56	–
2020	not published	2,992	9,532	43,519	3,746	11.6	68.8	15.44	–
2019	not published	3,817	12,034	48,628	4,990	9.7	78.5	18.52	–
2018	not published	2,668	8,395	30,028	2,641	11.4	88.8	22.48	–

Benchmark and verification

Year	ISM company	CO₂ per TW, g CO₂/t·nm	Chemical tanker median	vs Chemical tanker	Rank	Verifier	Methods
2025	ASM Maritime BV	20.63	15.04	+37%	969 of 1,460	Verifavia	A
2024	ASM Maritime BV	21.54	16.73	+29%	819 of 1,274	Verifavia	A
2023	not published	15.04	16.23	−7%	595 of 1,314	Verifavia	A
2022	not published	13.01	16.06	−19%	476 of 1,409	Verifavia	A
2021	not published	13.56	16.69	−19%	455 of 1,343	Verifavia	A
2020	not published	15.44	16.16	−4%	605 of 1,312	Verifavia	A
2019	not published	18.52	17.32	+7%	729 of 1,321	Verifavia	–
2018	not published	22.48	17.14	+31%	883 of 1,294	Verifavia	A

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.