Oct. 2012 - Dana Petroleum recently announced it has taken over operatorship of the Triton FPSO from Hess. The Triton FPSO serves the Bittern, Guillemot West and Northwest, Clapham, Pict and Saxon fields. As part of the agreement, Dana also acquired Hess' 28.28% stake in the Bittern field bringing Dana's interest in the field to 33%. The acquisition is keeping in line with the company's strategy of moving from mainly non-operated to fully operated activities in the UK North Sea.

Nov. 2010 - Hess Limited and partners reappointed Wood Group for three years as the prime contractor to provide operations and maintenance services to the Triton FPSO. The contract also has three further one-year extension options, and is worth about US $81 million per year. The Triton FPSO is located on Block 21/30, about 118 miles (190 kilometers) east of Aberdeen, United Kingdom. Triton has been in this location since 2000 and has a design life of 21 years.

Jun. 2008 - Shell UK has successfully installed the first of three subsea MARS (Multiple Application Re-injection System) interfaces on its Bittern field in the North Sea. The system has been described as a "USB port for wellheads" and is being adopted by Shell as part of their extended oil recovery (EOR) strategy for the region.

Nov. 2006 - Endeavour Energy UK has completed its acquisition of Talisman Expro's interest in eight fields in the Central North Sea including a 2.42% in the Bittern field.

Aug. 2006 - DES Operations has entered into an agreement with oil giant Shell for the sale of three of its revolutionary subsea technology systems. Known as MARS (Multiple Application Re-injection System), the systems are destined for Shell's Bittern Field in the North Sea where they will be used to upgrade the subsea Xmas tree and maximize oil production.

May. 2006 - Endeavour Energy UK has entered into an agreement with Talisman Expro to acquire four producing assets in the Central North Sea including 2.422% of the Bittern field.

Apr. 2006 - CETCO Oilfield Services has successfully treated contaminated water returns on the Amerada Hess Triton FPSO. The fluids were treated during well clean-up operations and have reduced the potential for overboard oil discharges and production upsets at the offshore installation approximately 120miles east of Aberdeen. In total three wells at the Bittern field were treated using a combination of scale squeezes and acid stimulation.

Jun. 2005 - Petro-Canada's Pict development, located in block 21/23b in the UK Central North Sea, achieved first oil on June 19, 2005. The Pict field, 100% owned and operated by Petro-Canada, is estimated to have resources of about 15 million barrels of oil.

Apr. 2004 - Petro-Canada is going forward with its £50 million development plan for the Pict field in the North Sea. Applications have been submitted to the UK Government for approval to develop the field. The Pict field, formerly known as Grebe, is located approximately 110 miles east of Aberdeen. Petro-Canada acquired the field as a part of an asset package from Shell and ExxonMobil.

Dec. 2003 - The Clapham development, located in block 21/24 in the UK Central North Sea, achieved first oil in late November 2003.

Jan. 2003 - The Department of Trade and Industry has granted approval of the Field Development Plan for the Clapham field, located in block 21/24 in the Central North Sea. The field will be brought into production using sub-sea facilities tied back to the Triton floating production storage and offloading vessel (FPSO) via the Guillemot West & Northwest subsea infrastructure.

Jul. 2002 - Coflexip Stena Offshore has been awarded two contracts by Shell Expro worth nearly £12million for work o the Penguis and Guillemot developments in the UK sector of the North Sea.

Jul. 2002 - Petro-Canada has completed an extension project that will add approximately 18,000 barrels a day of crude oil production to two North Sea oil fields. The company invested GBP 50 million in the Western Extension project which was completed on schedule and under budget. The project raises crude output from the Guillemot West and Northwest oil fields to over 28,000 barrels per day.

Mar. 2002 - Kvaerner Oilfield Products has been awarded a contract to supply the DUET multiphase flow meter for subsea service by Veba Oil & Gas UK Limited. This will be used in the Guillemot West - Western Extension Project - in the UK sector of the North Sea.

Jan. 2002 - Petro-Canada announced that it has agreed to acquire the international oil and gas operations of Veba Oil & Gas Gmbh from Veba and BP p.l.c. for a price of Cdn $3.2 billion in cash.