UPDATE 7-Oil up $2 as Ida shuts 30 pct Gulf of Mexico output

* Tropical Storm Ida shuts in Gulf of Mexico oil output

* Dollar under pressure, equities rise

* Saudi Arabia lifts Dec oil supply to global oil firms

(Adds Ida details, updates prices at settlement)

By Edward McAllister

NEW YORK, Nov 9 (Reuters) - Oil rose more than 2 percent on Monday after Tropical Storm Ida forced the shut in of 30 percent of oil production in the Gulf of Mexico, cutting supplies to the world's largest energy consumer.

U.S. crude for December delivery CLc1 rose $2 to settle at $79.43 a barrel. London Brent crude LCOc1 settled up $1.90 at $77.77.

Ida, the first real storm threat of the 2009 season, was downgraded from a hurricane on Monday, but production remained curtailed as producers waited for the storm to pass over the Gulf.

Ida shut in 29.6 percent of oil production and 27.5 percent of gas output from the Gulf of Mexico, the U.S. Minerals Management Service said Monday. [ID:nN09518842]