March 8 (Reuters) - A Lebanese man who was abducted on Feb. 28 in Nigeria's southern oil-producing Niger Delta was freed three days later, police said on Thursday without giving any details on the terms of his release.

A wave of recent attacks led to a cut in Nigeria's oil production capacity of one-fifth. Output has yet to recover.

Following is a chronology of some major attacks and kidnappings involving the Nigerian oil industry this year.

Jan. 12, 2007 - Nine South Korean workers and one Nigerian are freed after being kidnapped when gunmen attacked a base operated by South Korea's Daewoo Engineering and Construction in the Bayelsa state capital, Yenagoa, on Jan. 10.

-- Jan. 16 - Three people, including a Dutch oil worker, are killed when their boat, operated by South Korean firm Hyundai, is attacked on its way to the Bonny Island export terminal.

-- Jan. 18 - Gunmen free five Chinese telecom workers, kidnapped on Jan. 5 in Rivers State. One Italian is released in Bayelsa state. Three foreigners remain in captivity.

-- Jan. 23 - Gunmen kidnap two engineers, one American and one British, in the southern oil city of Port Harcourt. The Briton is released on Feb. 7 and the American on Feb 17.

-- Jan. 27 - A Belgian man working for a building materials company dies of gunshot wounds after gunmen ambushed him in Warri in the western Delta.

-- Feb. 4 - Nine men working for the Chinese National Petroleum Company (CNPC), which was doing work for Shell in Bayelsa state, are released. They were kidnapped on Jan. 25.

-- Feb. 6 - Gunmen abduct a Filipino worker on the road between Port Harcourt and Owerri.

-- Feb. 7 - Gunmen kidnap a Filipina woman in Port Harcourt, the first known abduction of a woman in the region.

-- A Frenchman, working on contract for oil giant Total, is kidnapped in Port Harcourt.

-- Feb. 13 - Militants release all 24 Filipino crew members, who were captured when their cargo ship, belonging to German line Baco-Liner, was attacked on Jan. 20.

-- Feb. 18 - Gunmen kidnap one Montenegrin and two Croatian oil workers, employees of Hydrodrive Nigeria, an offshore oil services company, in the Iwofe district of Port Harcourt.

-- Feb. 23 - Gunmen shoot a Lebanese construction engineer in Port Harcourt.

-- Feb. 26 - Two Italians, working for construction company Impregilo are released. They were kidnapped near Port Harcourt on Feb. 23.

-- Feb. 28 - Gunmen kidnap a Lebanese construction worker at Mbiama community in Rivers state. He is employed by local firm Alren Construction Nigeria Ltd. He is released three days later. Eight expatriates are still missing.

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