Oil tank cleaning no easy job

Pilots fly the Super Puma Helicopter in the rain over Xijiang 23-1 oilfield in the South China Sea on June 9, 2012.
The crude oil office of China Inspection and Quarantine Bureau at Shekou headed to Xijiang 23-1 oilfield in theSouth China Seafor a crude oil inspection task on June 9, 2012.
The destination was "offshore oil115"FPSO (Floating Production Storage & Offloading), a large crude oil carrier with a deck the size of two soccer fields.
According to one of the workers in charge of cleaning the oil tank, life on board can be fresh and exciting for new employees but it is a difficult and boring job requiring a lot of perseverance.
The crude oil office of China Inspection and Quarantine Bureau at Shekou shoulders the task of inspecting 10 million tons of crude oil at theSouth ChinaSea oil field each year.[Photo/CFP]