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Offshore oil and gas production

Offshore oil and gas production in Europe

 

Offshore oil and gas production constitutes an important indigenous energy source of hydrocarbons in Europe. In 2012, offshore oil production in the EU totalled approximately 60 million tons produced in the continental shelves of different EU member states. According to data from EUROSTAT and the petroleum national authorities, in 2012 the Offshore Crude Oil Production of EU-28 corresponded to almost 9% of the Gross Petroleum Products Consumption. Most of the crude oil in the EU Member States is produced in the North Sea, with the UK as the major contributor (75.38%), followed by Denmark (18.17%).

Figure 1. Gross Petroleum Products Consumption and Offshore Crude Oil Production in EU-28. Source: Eurostat and national authorities, 2012 [1].

 

The distribution of offshore oil production in different EU member states for 2012 is shown in Figure 2.  

Figure 2.  Offshore Crude Oil Production in EU-28. Source: Eurostat and national authorities, 2012.

 

Additional considerable quantities of oil were extracted from the continental shelf of Norway. In 2012 offshore oil production in Norway was almost 78 million tons, more than 130% of the total European offshore oil production.

 

Natural Gas

Data for natural gas are more interesting for the EU-28 offshore production. In 2012 offshore natural gas production in EU-28 was approximately 63 million tons of oil equivalent. In this case EU-28 offshore production covered 13.8% of the gross energy consumption (Figure 3) with the UK and the Netherlands having a predominant role with 54.6% and 25.23% respectively, as shown in Figure 4. 

Figure 3. Gross Energy Consumption and Offshore Production of natural gas in EU-28. Source: Eurostat and national authorities, 2012 [2].

The distribution of natural gas offshore production in different EU member states for 2012 is shown in Figure 4.

Additional considerable quantities of natural gas came also from the offshore production of Norway. In 2012 natural gas offshore production in Norway was over 84 million tons.

Figure 4. Natural Gas Offshore Production in EU-28. Source: Eurostat and national authorities, 2012 [2].

Currently there are more than 600 platforms (not counting the large number of subsea structures connected to them) operating in the continental shelves of the European Member States. The distribution of offshore oil and gas installations in the European Union waters and in Norway is shown in Figure 5. In the North Sea, hydrocarbon offshore production takes place in the Danish, Dutch, German, Irish, Norwegian and UK sections. Offshore production is also taking place in the Mediterranean (mainly in the Italian continental shelf, but also in Greece, Spain and Croatia), in the Polish sector of the Baltic Sea and in the Black Sea (mainly in the Romanian and Bulgarian continental shelves). Apart from explorations in the North sea which are ongoing, increasing exploration plans are foreseen for the Mediterranean region (in the Cypriot, Greek and Maltese continental shelves), the Black Sea (Bulgarian and Romanian continental shelves) as well as for the Atlantic East coast (Portuguese continental shelf). Oil and gas exploration or production also takes place in close vicinity of the EU, off the coasts of Algeria, Egypt, Israel, Libya, Tunisia, Turkey and Ukraine.

 

Figure 5. Offshore Installations in EU and Norway. Source: OSPAR and national authorities websites.



[1] Data for the calculation of percentages are taken from EUROSTAT tables “Gross inland energy consumption by fuel – Total Petroleum Products” and “Primary Production of Crude Oil” for 2012 [last updated March 2014]. Offshore crude oil production derives mainly from original data from national authorities, as follows:

For the UK offshore production data have been taken from DECC (Department of Energy & Climate Change) dedicated website:https://www.gov.uk/oil-and-gas-uk-field-data

For the Netherlands offshore production data have been taken from NL – Oil and Gas Portal: http://www.nlog.nl/en/production/production.html

For Italy offshore production data have been taken from UNMIG (Ministry for Economic Development):

http://unmig.sviluppoeconomico.gov.it/unmig/produzione/produzione.asp

For Denmark offshore production data have been taken from the Danish Energy Agency and the report “Oil and Gas production in Denmark 2011” available at: http://www.ens.dk/sites/ens.dk/files/oil-gas/reports-oil-gas-activities/oliegas_rapport_uk_-_2012.pdf

For other countries, a number on assumptions have been made, based on information provided in DNV's "Report for European Commission - The analysis and the evaluation of the effects of the practical application of national legislation related to safety and health at work in mineral extraction through drilling" (2013), i.e.:

-Bulgaria and Germany: 50% of the Primary Production of Crude Oil is produced offshore;
-Greece and Spain: 100% of the Primary Production of Crude Oil is produced offshore;
-Poland: only crude oil production data for 2010 are available;
-Romania: 20% of the Primary Production of Crude Oil is produced offshore.
 

[2] Data for the calculation of percentages are taken from EUROSTAT tables “Gross inland energy consumption by fuel – Natural Gas” and “Primary Production of Natural Gas” for 2012 [last update March 2014]. Offshore natural gas production derives mainly from original data from national authorities as follows:

For the UK offshore production data have been taken from DECC (Department of Energy & Climate Change) dedicated website: https://www.gov.uk/oil-and-gas-uk-field-data

For the Netherlands offshore production data have been taken from NL – Oil and Gas Portal: http://www.nlog.nl/en/production/production.html

For Italy offshore production data have been taken from UNMIG (Ministry for Economic Development):

http://unmig.sviluppoeconomico.gov.it/unmig/produzione/produzione.asp

For Denmark offshore production data have been taken from the Danish Energy Agency and the report Oil and Gas production in Denmark 2011 available at: http://www.ens.dk/sites/ens.dk/files/oil-gas/reports-oil-gas-activities/oliegas_rapport_uk_-_2012.pdf

For other countries, a number on assumptions have been made, based on information provided in DNV's "Report for European Commission - The analysis and the evaluation of the effects of the practical application of national legislation related to safety and health at work in mineral extraction through drilling" (2013), i.e.:

-Bulgaria: 50% of the Primary Production of Natural Gas is produced offshore;
-Greece, Ireland and Spain: 100% of the Primary Production of Natural Gas is produced offshore;
-Poland: only natural gas production data for 2010 are available;
-Romania: 20% of the Primary Production of Natural Gas is produced offshore;
-Germany: no natural gas production data available.
For Croatia: 61% of the Primary Production of Natural Gas is produced offshore [source: INA].