LONDON, Dec 12 (Reuters) -
** Ineos says in email to customers it expects the Forties pipeline outage in the North Sea to last "no less than two", possibly up to four weeks
** Ineos says on Kinneil terminal: "we have placed train 3 on cold standby and trains 1 & 2 are at hot standby"
* Ineos says Forties pipeline crack length "has not increased in the past 24 hours"
(Reporting by Ron Bousso; Editing by Adrian Croft)