LONDON, Nov 7 (Reuters) -North Sea Forties crude traded twice in the Platts window on Thursday, while Ekofisk and U.S. WTI Midland were also on offer.

PLATTS WINDOW

* Indications are free on board (FOB) unless marked as cost, insurance and freight (CIF) or delivered at place (DAP).

* Forties: Petroineos bought two cargoes in the Platts window, one from Mercuria with Nov. 30 - Dec. 2 dates, and one from Gunvor with Dec. 5-7 dates, both at dated Brent plus 40 cents.

* On Wednesday, Mercuria had offered the same Nov. 30 - Dec. 2 dates at dated plus 50 cents without finding a buyer.

* Ekofisk: ENI offered a Nov. 24-26 cargo at dated Brent plus $1.05, down by 20 cents from where it offered the same cargo on Wednesday.

* WTI Midland: Phillips 66 offered a Nov. 26-30 cargo at dated plus $1.50 CIF Rotterdam.

* The offer equated to around dated plus 56 cents on a FOB basis, Reuters calculations showed.

* In the previous session, Gunvor offered WTI Midland CIF Rotterdam Nov. 28-Dec.2 at dated Brent plus $1.55 CIF Rotterdam.

Reporting by Robert Harvey; Editing by Vijay Kishore

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