WRAPUP 7-Hurricane Ike moves into Gulf of Mexico from Cuba

* Hurricane Ike moves into Gulf of Mexico

* Ike topples decrepit Havana buildings

* Four deaths, widespread damage, reported in Cuba

* Threat to U.S. Gulf energy platforms eases

By Jeff Franks

HAVANA, Sept 9 (Reuters) - Hurricane Ike moved off Cuba into the Gulf of Mexico on Tuesday on a path that should steer it away from the heart of the U.S. offshore oil patch after ripping the island from one end to the other.

Ike, now barely a Category 1 storm with 75 mile per hour (120 km per hour) winds, left a long trail of destruction across the Caribbean and had energy companies fearful it could do the same to their Gulf oil rigs as they scurried to evacuate workers and shut down production.

Forecasters said Ike would likely regain power in the Gulf's warm waters and possibly become a major storm again, revving up to a Category 3 on the five-step hurricane intensity scale with a minimum of 115 mph (178 kph) winds.

The good news for energy operators in the Gulf, where a quarter of U.S. oil and 15 percent of natural gas is produced, is that latest projections call for Ike to go west toward the Texas-Mexico border, away from the main offshore production areas.

Oil futures dipped more than $2 to below $105 on the forecast, although the U.S. National Hurricane Center in Miami warned that its projections were subject to change.

Ike's most likely projected track eased fears that it would threaten New Orleans, still scarred by Katrina, which killed 1,500 people and caused $80 billion in damage on the U.S. Gulf Coast in 2005.

Ike wreaked widespread damage on the east and west sides of Cuba.

Few official figures had emerged yet, but state-run media showed a panorama of destruction across the island, still reeling from the more powerful Hurricane Gustav 10 days ago.

Ike struck eastern Cuba on Sunday with 120 mph (195 kph) and torrential rains that destroyed buildings, wiped out the electricity grid, toppled trees, leveled crops including sugar cane fields, pushed rivers over their banks and threatened to overfill reservoirs.

The damages could total between $3 billion and $4 billion, according to some official sources, said Elisabeth Byrs of the U.N. Office for the Coordination of Humanitarian Affairs at a news briefing in Geneva.

'ARMY OF GHOSTS'