This book was written in 1985 the first time as the first about this topic as demand by DUC SHell Holland. Shell thought that the Operators of Offshore safety education was too unsecure. 

The book has been updated according to legislation changes.After the Piper Alpha disaster the book has been updated and certified by leading staff of the Offshore and Oil Rigg installations including the management of Mærsk Olie and Gas Operaiton in Esbjerg base.

The book covers the processes necessary to cleanand dry product gas from the underground and cleaning of the including gas condensat (cryde oil) contained in the hydrocarbons flow. Tyra hydrocarobon production facility is at the present moment in 2021 undergoing a major renovation and rebuilding in reparation to produce the last oil and gas from the Danish Oil Area in The North Sea - appr. 20 years to go. 

Uniquely each book has a DVD from the BBC disaster committee.