Offshore wind energy on the Pacific Ocean has long been dismissed as a pipe dream due to the abrupt drop-off along the edges of its continental shelf. But floating wind turbines could change that. Trident Winds, a wind energy developer based in Seattle, submitted an unsolicited lease request Monday to the Bureau of Ocean and Energy Management to build a floating offshore wind farm — the state’s first — about 43 miles off the coast of the Olympic Peninsula, near Grays Harbor. The proposed site — dubbed the Olympic Wind project — would provide 2,000 megawatts of clean energy to 800,000 homes, ac…