Derwentfield was an 8,602 GRT tanker that was built as Empire Coral in 1941 by Sir J Laing & Sons Ltd, Sunderland, United Kingdom.

The Code Letters BCJG and United Kingdom Official Number 168669 were allocated.

She departed Methil on 7 May as a member of Convoy EC 16, arriving at Loch Ewe the next day.

[4] Empire Coral was due to depart Halifax as a member of Convoy HX 134, bound for the Stanlow Refinery, Cheshire.

[4] Empire Coral was a member of Convoy HX 147, which departed Halifax on 29 August 1941 and arrived at Liverpool on 12 September.

[4] The next day, she joined the unescorted Convoy BB 75, which arrived at Milford Haven.

[10] She departed Milford Haven that day as a member of Convoy WP 35, arriving at Southampton on 17 September.

[4] Empire Coral was a member of Convoy ON 21, which departed Liverpool on 28 September 1941 and dispersed at sea on 14 October.

[4] Empire Coral was a member of Convoy HX 177, which departed Halifax on 25 February 1942 and arrived at Liverpool on 9 March.

[17] Empire Coral was a member of Convoy ON 91, which departed Liverpool on 1 May 1942 and dispersed at sea on 15 May.

[4] Empire Coral departed Boston on 29 May as a member of Convoy BX 21, which arrived at Halifax on 31 May.

[19] She then departed Halifax as a member of Convoy HX 192, which arrived at Liverpool on 11 June.

Empire Coral was carrying a cargo of aviation fuel and was the last ship in the convoy to depart Halifax.

[20] She arrived at the Belfast Lough on 10 June,[4] from where she joined Convoy BB 185 the next day.

[4] She departed the Hampton Roads on 31 July as a member of Convoy KS 526, which arrived at Key West, Florida on 8 August.

[23] She then made a return voyage to Galveston, Texas, arriving back at Key West on 22 August.

[26] Empire Coral was a member of Convoy ON 133, which departed Liverpool on 25 September 1942 and arrived at New York on 11 October.

She then sailed to New Orleans, Louisiana from where she departed on 31 October bound for Cristóbal, Dominican Republic, where she arrived on 5 November.

She then sailed to Balboa, Colombia, from where she departed on 6 November bound for Cape Town, South Africa, arriving on 8 December.

[4] Empire Coral was a member of Convoy PA 31, which departed Bandar-Abbas on 29 March and arrived at Aden on 6 April.

[4] Empire Coral was a member of Convoy PB 40, which departed Bandar-Abbas on 12 May and arrived at Bombay, India on 18 May.

On 22 July, Empire Coral departed Port Said bound for Alexandria, Egypt, arriving the next day.

[38] She then joined Convoy UGS20, which had departed the Hampton Roads on 5 October and arrived at Port Said on 1 November.

[45] Empire Coral was a member of Convoy CJ 25, which departed Calcutta on 24 April and arrived at Colombo on 2 May.

From 13 May 1944 to 11 January 1945, Empire Coral made a number of journeys between Colombo and Trincomalee or vice versa.

Empire Coral departed Colombo on 31 May, bound for Trincomalee, arriving on 2 June.

She departed Colombo on 19 August, bound for Durban, South Africa, where she arrived on 7 September.

In 1953, she was refloated and sold to the Compagnia Globo de Navigazione SA, Panama.