K7-K12 gas fields

The K7-K12 gas fields are significant natural gas producing areas in the Netherlands sector of the North Sea, about 130 km west of Den Helder. These six contiguous fields started producing gas in 1978 and are mostly still operational in 2021.

The fields
The K7-K12 gas fields are located in the Southern North Sea. They extend over the Netherlands Blocks K7, K8, K9, K10, K11 and K12. The gas reservoirs have the following properties:

Development
The K7-K12 reservoirs were developed by a number of offshore installations across the Blocks. The principal pipelines in the fields are:

Production
Peak production from the fields was as follows:

Decommissioning
The K10 and K11 installations are now closed and have been decommissioned.