NOSDRA, in its oil spill data for the review period, said a total of 168 incidents of oil spill incidents, which cost the country a loss of 5,520 barrels of crude oil in eight months, were recorded against oil companies operating in the country.
The agency noted that the spill occurred in the facilities of 23 oil firms, with Shell Petroleum Development Company recording the highest spill volume of 4,340 barrels of crude oil in 43 spill incidents, representing 78.62 per cent of total crude oil spilled in the period under review.
Heritage Energy Operational Service Limited followed with 24 323.20 barrels of crude oil spilled in 24 incidents, while Nigerian Agip Oil Company spilled 248.86 barrels of crude oil in 38 incidents.
In six spill incidents, Heirs Holding Oil and Gas Limited spilled 128.10 barrels of crude oil; Seplat Petroleum Development Company spilled 104.88 barrels of crude oil in seven incidents; National Petroleum Development Company spilled 92.33 barrels in 16 incidents, while Enageed Resources Limited polluted the environment with the spillage of 72 barrels of crude oil in three incidents.
The NOSDRA report also revealed that Rivers State was the worst hit with oil spillage, as 2,780 barrels of crude oil was spilled in the state in 67 incidents; followed by Delta with 2,623 barrels of crude oil spilled in 76 incidents; while Edo, Imo, Bayelsa and Akwa Ibom recorded spill volumes of 70.04 barrels, 22.30 barrels, 18.39 barrels and 1.06 barrels, respectively.
It also stated that the majority of the spill incidents were recorded from crude oil pipelines, with 3,113 barrels of crude oil spilled from the pipelines in 114 incidents and that in eight incidents, 1,951 barrels of crude was spilled by oil companies from the wellhead; while spills from flow lines, flow stations and trunk lines stood at 117.7 barrels, 110.03 barrels and 106.13 barrels, respectively.
NOSDRA also reported that 5,122 barrels of crude oil, representing 92.78 per cent of oil spilled in the eight-month period, was a result of theft and sabotage; while 228.22 barrels of crude oil spilled in 16 incidents were due to corrosion, and also pointed out that while 2,402 barrels of crude oil were spilled on land; 2,378 barrels of crude oil were spilled on swampy terrain, and 525.01 barrels of crude oil were spilled on seasonal swampy terrain.
