(Updates with new details)

Feb 19 (Reuters) - Gunmen kidnapped three Croatian oil workers from a bar in Nigeria's oil city Port Harcourt, their employer said on Monday.

Following is a chronology of some recent attacks and kidnappings involving the Nigerian oil industry.

Nov. 7, 2006 - An American and a Briton, working for Petroleum Geo-Services and kidnapped from a survey ship off the coast of Bayelsa state on Nov. 2, are freed.

-- Nov. 22 - A British oil worker is killed when Nigerian troops try to free seven foreigners abducted from an offshore oilfield earlier in the day.

-- Dec. 7 - Eight gunmen kidnap three Italians and one Lebanese from a residential facility after trying to storm the Agip oil export terminal in Bayelsa state. The Movement for the Emancipation of the Niger Delta claims responsibility.

-- Dec. 14 - Armed men invade the Nun River logistics base operated by Royal Dutch Shell in Bayelsa state and hold at least five people hostage there.

-- Dec. 18 - Two car bombs rock Port Harcourt, one near the compound of Italy's Agip, the second in the Shell residential compound. There are no casualties.

-- Dec. 21 - Armed militants storm the Obagi field facility in Rivers State, operated by Total, killing three people.

-- Militants plant a car bomb in the Shell residential compound in Port Harcourt. Shell evacuates some expatriate staff from compounds in Port Harcourt, Warri and Bonny Island.

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 Port Harcourt. The Briton is released on Feb. 7 and the American on Feb 17.

-- 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 - Three Croatian oil workers, who worked for Hydrodrive Nigeria, an offshore oil services company, are abducted in the Iwofe district of Port Harcourt.

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