1/ So I asked my dad about this rig he worked on back on the 80s, and got a little essay back in return! Here follows his story of the Conoco Hutton TLP (Tension Leg Platform):

2/ I worked on the construction of that at Nigg, 1982-84. It is the Conoco Hutton Hull. It was called the TLP which meant Tension Leg Platform. It was ‘tethered’ to the seabed by huge ‘cables’ which were high specification tubes of high grade alloy material which had the...

3/ highest possible industry standards of welding requirements at the time. It is still in the firth as the lifetime of the oilfield it was extracting oil from was relatively short. It was supposed to be towed on from the Firth to India (I think for destruction,) but it was a...