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VIDEO: Bechtel tests LNG storage tanks

LNG Industry,

Bechtel has successfully hydro tested two extra LNG storage tanks built on Curtis Island in Queensland. The tests confirm that the tanks, built for the Australia Pacific LNG and Santos GLNG plants, are eligible to store LNG and follow the successful test of a tank at the Queensland Curtis LNG project earlier this year. Bechtel is the engineering, procurement, and construction (EPC) contractor for the plants, being built simultaneously side-by-side.

"The LNG tanks are not only one of the most visible and complex parts of these plants, they are also among the most critical components to ensure long-term production success for our customers," said Bechtel LNG General Manager Alasdair Cathcart. "Verifying the safety and integrity of the tanks is just one of the many steps we take in our disciplined approach to delivering our customers world-class quality projects."

Hydro testing

Hydro testing takes between two and four weeks to complete. Water is pumped into each of the tanks and held for 24 hours while various tests are carried out. Once testing is complete, it takes approximately five days to empty the tanks. Hydro testing verifies that each tank can hold its design capacity of LNG at – 161°C). Each of the QCLNG and GLNG tanks is capable of holding more than 140 000 m3 of LNG with Australia Pacific LNG's tanks each holding 160 000 m3.

Adapted from pres release by Ted Monroe

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