LONDON, May 12 (Reuters) - U.S. WTI Midland crude differentials weakened on Monday as once again several offers did not find a buyer, while North Sea Forties was steady.

PLATTS WINDOW

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

* No deals, a trade source said.

* WTI Midland: Sellers including BP, Gunvor and Aramco offered a total of seven cargoes.

* WTI Midland: the lowest offer was at dated Brent plus 95 cents from BP, a source said, equal to roughly dated Brent minus 4 cents according to Reuters calculations.

* Forties: Sinocehem offered June 5-7 at dated Brent plus 25 cents, resulting in no change from Friday's assessment of around dated Brent plus 3 cents according to Reuters calculations.

(Reporting by Alex Lawler, Editing by Susan Fenton)

((alex.lawler@thomsonreuters.com))

-    
NORTH SEA CRUDE OIL DIFFERENTIALS AND OUTRIGHT PRICES: 
                    0#BFO-DIF     0#C-E 
Dated BFO       BFO- 
Brent           BFO-BRT       BFO-E 
Forties         BFO-FOT       FOT-E 
Oseberg         BFO-OSE       OSE-E 
Ekofisk         BFO-EKO       EKO-E 
 Monthly North Sea crude loading programmes     O/LOAD 
 OPEC OPEC                NSEA  North Sea 
 CRU  crude oil           PROD  oil products 
 DRV  derivatives         PRO/E European products 
  OILOIL  NYMOIL, IPEOIL, OILSPD, OILARB 
CRDWLDPRODEUR, PRODUS, APROD 
ENERGY energy speed guide   CRUDE/1 crude speed guide