First Tubular on Hejre Jacket Completed

Almost precisely one year after DONG Energy awarded the Hejre main EPC contract to Technip France, the first tubular for the Hejre jacket was completed.

This happened on Feb. 26 of this year at the SIF group in Roermond in the Netherlands. Technip has subcontracted the construction work to the Heerema Vlissingen yard in south of the Netherlands.

Heerema and its suppliers - German and Dutch specialist companies are to deliver more than 7.000 tonnes of steel plates and tubulars which all in the end shall become the Hejre jacket.

This prefabrication work will continue nonstop until July 2013. By that time, 12 large main leg components, each about 98 feet (30 meters) long, will arrive at coastal Vlissingen, in the Netherlands, by barge. Remaining tubular components will arrive in parallel by road transport.

'We have now begun the actual construction of the jacket for the Hejre platform precisely one year after the contract with Technip was signed, and now the project really picks up momentum,' says Arild Wilson, Hejre project director at DONG Energy.

Weight will be 8,818 tons (8,000 tonnes).

Heerema will at its yard in Vlissingen assemble, roll up and complete the jacket before load out on a barge and finally transportation by sea to the Hejre field in the North Sea in 2014.

DONG Energy is operator of the Hejre field and owns 60 percent of the license. Bayerngas is partner and owns 40 percent.

The Hejre field expectedly contains 100 million barrels of oil and 565 billion cubic feet (16 billion cubic meters) of natural gas in recoverable reserves.

Approximately 1,000 people are busy with developing, designing and constructing the Hejre platform and related work ahead of 2015.

The field development is expected to create close to 500 permanent jobs, the major part in Esbjerg on the Danish west coast.

The field is HPHT - High Pressure/High Temperature. In concrete figures the pressure in the reservoir is at 1,010 bar and the temperature at 160 degrees Celsius.

When Hejre starts producing in late 2015, DONG Energy will be co-owner of six Danish fields in production, eight Norwegian fields and two British fields.

DONG's ambition is to double oil and gas production to 150,000 barrels of oil equivalents per day in 2020. The production is to come from oil and gas fields in Denmark, Norway and UK.

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SNC-Lavalin to Perform Detailed Design Work on Gina Krog Jacket

HFG Engineering Europe B.V. (HFGE) awarded SNC-Lavalin a contract to carry out part of the detailed design of the jacket for Statoil's Gina Krog, formerly Dagny field, development in the Norwegian sector of the North Sea.

The engineering project will be executed as a joint effort of HFGE and SNC-Lavalin. Work on the 16,000-tone, barge-launched jacket is set to commence immediately.

"We worked with HFGE on the record-breaking Valemon jacket for Statoil, and we are pleased to have the opportunity to support them once again," said Hafez Aghili, Senior Vice-President and General Manager, SNC-Lavalin UK, in a released statement. "This most recent award is a testament to the expertise of our offshore engineering team for both lifted and barge-launched jackets."

Gina Krog, an oil, gas and condensate field located on Block 15/5, will be developed using a fixed platform tied into the Sleipner field for gas export with oil offloaded to shuttle tankers. The field was discovered in 2008, commenced development in 2012 and is expected to come online in the first quarter of 2017.

The field has resources in the range of 35 million cubic meters per day, and the recoverable oil resources can be increased substantially assuming that gas injection is selected in the development solution, according to the Norwegian Petroleum Directorate.

With more than 10 years of journalism experience, Robin Dupre specializes in the offshore sector of the oil and gas industry. Email Robin at rdupre@rigzone.com.

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