Helder, Helm and Hoorn are adjacent oil fields located in the Netherlands sector of the North Sea 40 km west of Den Helder and 80 km north west of Amsterdam.
The fields
The Helder, Helm and Hoorn oil fields are located in Block Q of the Netherlands sector of the
North Sea
The North Sea lies between Great Britain, Norway, Denmark, Germany, the Netherlands and Belgium. An epeiric sea on the European continental shelf, it connects to the Atlantic Ocean through the English Channel in the south and the Norwegian S ...
.
The oil reservoirs are Lower
Cretaceous
The Cretaceous ( ) is a geological period that lasted from about 145 to 66 million years ago (Mya). It is the third and final period of the Mesozoic Era, as well as the longest. At around 79 million years, it is the longest geological period of th ...
Vieland Sandstone with oils of various properties. The total reserves in the Q Block are estimated to be 53.9 million barrels.
The fields were licensed to Unocal Netherlands BV.
Development
The fields were developed though a number of offshore installations.
Early years production (in 1000 stock tank barrels) from the fields were:
From 1984 Helder A received oil production from the Kotter production platform by 27.4 km 12-inch diameter pipeline.
To increase production, in 1991 Unocal drilled 5 horizontal wells and horizontal laterals from 9 of the existing wells in the Helder field. Prior to this programme the field was producing 4200 bbl/d, when complete the production had increased to 10,900 bbl/d.
See also
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Kotter and Logger oil and gas fields
The Kotter and Logger oil and gas fields are mid-size fields located in the Netherlands sector of the North Sea, about 40 km west of Den Helder and 107 km north west of Amsterdam. The Kotter and Logger oil fields produced oil from 1984/5 to 2015.
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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.
T ...
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K13 gas fields
The K13 gas fields were major natural gas producing fields in the Netherlands sector of the North Sea, about 130 km west of Den Helder. The fields started producing gas in 1975 but are no longer operational except for one installation used as a ri ...
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L10 gas field
The L10 gas field is a major natural gas producing field and hub in the Netherlands sector of the North Sea, about 65 km west of Den Helder. The field started producing gas in 1976 and was still operational in 2021.
The field
The L10 gas fiel ...
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L4-L7 gas fields
The L4-L7 gas fields are significant natural gas producing fields in the Netherlands sectors L4 and L7 of the North Sea. They are operationally one complex which started producing gas from the L7 main platform hub in 1977 and was still partly oper ...
References
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North Sea
The North Sea lies between Great Britain, Norway, Denmark, Germany, the Netherlands and Belgium. An epeiric sea on the European continental shelf, it connects to the Atlantic Ocean through the English Channel in the south and the Norwegian S ...
North Sea oil fields
Oil fields in the Netherlands