April 2 (Reuters) - Two Lebanese construction workers employed by Setraco were abducted in Bayelsa State in the Niger Delta early on Monday.

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 - A Dutch oil worker and two other people 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 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.

-- March 8 - A Filipino oil contractor is freed.

-- March 12 - The military rescue two Croats and a Montenegrin who had been held by suspected ransom-seekers.

-- March 14 - Militants release two Italian oil workers Francesco Arena and Cosma Russo they had been holding hostage since Dec. 7.

-- March 16 - Troops rescue a French oil worker kidnapped on Feb. 7. The release meant that there were no foreign hostages being held for the first time this year.

-- March 19 - Gunmen abduct two Chinese and one Nigerian working in Anambra raising fears that hostage taking had spread to the southeast of the country.

-- March 23 - Attackers in three speed boats storm the construction yard of German building contractor Bilfinger Berger in Port Harcourt and abduct the company's Dutch security manager. Two others, a Lebanese and an Indian are kidnapped in Warri but are released on March 25.

-- March 31 - Gunmen in two speedboats abduct a British oil worker in a pre-dawn raid on a drilling rig 40 miles off the coast of Nigeria.

-- April 2 - Armed men in speedboats abduct two Lebanese construction workers employed by Setraco while working on a bridge in Bayelsa State in the Niger Delta early on Monday.

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