Theddlethorpe Gas Terminal
Encyclopedia
Theddlethorpe Gas Terminal (TGT) is a large gas terminal on the Lincolnshire coast
Lincolnshire coast
The coast of Lincolnshire runs for more than down the North Sea coast of eastern England, from the estuary of the Humber to the marshlands of the Wash, where it meets Norfolk...

 on Mablethorpe Road at Theddlethorpe St Helen
Theddlethorpe
Theddlethorpe comprises two close villages and civil parishes, Theddlethorpe St Helen, and Theddlethorpe All Saints, in the East Lindsey district of the county of Lincolnshire, England. These two villages have operated as one entity for many years...

 close to Mablethorpe
Mablethorpe
Mablethorpe is a small seaside town in East Lindsey on the coast of Lincolnshire, England.-Geography:Several small caravan parks exist around Mablethorpe. The town is administered with Sutton-on-Sea and Trusthorpe, as the civil parish of Mablethorpe and Sutton...

 in East Lindsey
East Lindsey
East Lindsey is a local government district in Lincolnshire, England. The council is based in Manby near Louth, and other major settlements in the district include Alford, Spilsby, Mablethorpe, Skegness, Horncastle and Chapel St Leonards....

 in England. It is just off the A1031 and next door to a holiday camp and Mablethorpe Seal Sanctuary (Animal Gardens).

History

From December 1969, there were plans for the terminal proposed by the Gas Council. Planning permission was given in April 1970. It was built in 1972 to receive gas from the Viking gas field from 4 July 1972, being the UK's third main gas terminal when owned by Conoco. The first stage cost around £5 million. A new 86 miles (138.4 km) 28 inches (711.2 mm) offshore gas pipeline had to be built for the plant. It was originally called the Viking Gas Terminal, changing to its current name in 1984.

In the early 1990s, a new pipeline was built to the terminal by Kinetica, a company jointly owned by PowerGen
E.ON UK
E.ON UK is an energy company in the United Kingdom and a subsidiary of E.ON, the world's largest investor-owned power and gas company. As Powergen, it was listed on the London Stock Exchange and was once a constituent of the FTSE 100 Index but since 1 July 2002 has been owned by E.ON AG of...

 and Conoco. The pipeline to Killingholme was opened by Tim Eggar
Timothy Eggar
Timothy John Crommelin Eggar is a company director, a Governor of Shiplake College, an independent school for boys in the village of Shiplake in Oxfordshire, and is a former British Conservative Member of Parliament....

 on 21 July 1992.

Operation

The main site is owned by ConocoPhillips
ConocoPhillips
ConocoPhillips Company is an American multinational energy corporation with its headquarters located in the Energy Corridor district of Houston, Texas in the United States...

, with pipelines to National Grid
National Grid plc
National Grid plc is a multinational electricity and gas utility company headquartered in London, United Kingdom. Its principal activities are in the United Kingdom and northeastern United States and it is one of the largest investor-owned energy companies in the world.National Grid is listed on...

's National Transmission System
National Transmission System
The National Transmission System is the network of large-diameter gas pipelines throughout the United Kingdom that supply gas to 40 power stations from natural gas terminals situated on the coast, and also gas distribution companies which lead indirectly to homes.-Similarity to the National...

, and E.ON
E.ON UK
E.ON UK is an energy company in the United Kingdom and a subsidiary of E.ON, the world's largest investor-owned power and gas company. As Powergen, it was listed on the London Stock Exchange and was once a constituent of the FTSE 100 Index but since 1 July 2002 has been owned by E.ON AG of...

's 20 inches (508 mm) Killingholme Pipeline System to both units at the Killingholme Power Station
Killingholme Power Station
Killingholme Power Station is the name given to two CCGT natural gas power stations near to East Halton and North Killingholme in North Lincolnshire; Killigholme B opened in 1993 and is owned by E.ON UK and Killingholme A opened in 1994 and is owned by Centrica.-900 MW plant:The E.ON UK...

, transporting 256,000 m3/h at a pressure of 40-55 bar
Bar (unit)
The bar is a unit of pressure equal to 100 kilopascals, and roughly equal to the atmospheric pressure on Earth at sea level. Other units derived from the bar are the megabar , kilobar , decibar , centibar , and millibar...

. 10% of the UK's ever increasing gas requirements come from Theddlethorpe. Around one hundred people work on the site.

Offshore pipeline systems

These are in the areas known as the UK Southern Gas Basin or Southern North Sea Basin. This is part of the UK Continental Shelf
UK Continental Shelf
The UK Continental Shelf is the region of waters surrounding the United Kingdom, in which the country claims mineral rights. This principally refers to the North Sea, where there are large resources of hydrocarbons. The North Sea is also bordered by Norway, Denmark, Germany and The Netherlands...

 (UKCS).
  • Lincolnshire Offshore Gas Gathering System (LOGGS) collects gas from the Jupiter, Saturn and V-field series of gas fields.
  • Caister Murdoch System (CMS)
  • Viking Transportation System (VTS)

Natural gas liquids

Any liquids
Natural gas condensate
Natural-gas condensate is a low-density mixture of hydrocarbon liquids that are present as gaseous components in the raw natural gas produced from many natural gas fields....

 from the refinery operation get transferred to ConocoPhillip's Humber Refinery
Humber Refinery
The Humber Refinery is a British oil refinery in South Killingholme, North Lincolnshire. It is situated south of the railway line next to the A160; Total's Lindsey Oil Refinery is north of the railway line....

 next door to the Killingholme Power Station, twenty six miles away to the north-west of Theddlethorpe.

Viking

The main field that connects to the terminal is the Viking gas field, via the Viking Transportation System. It is 86 miles (138.4 km) off the Lincolnshire coast, and is in two sections - Viking A and Viking B. It is 50% owned by ConocoPhillips. Production on the North Viking Field began in July 1972 and South Viking in August 1973 after the North Viking field was discovered in March 1969 and South Viking in December 1968. It was initially operated by Conoco and the National Coal Board
National Coal Board
The National Coal Board was the statutory corporation created to run the nationalised coal mining industry in the United Kingdom. Set up under the Coal Industry Nationalisation Act 1946, it took over the mines on "vesting day", 1 January 1947...

, then by ConocoPhillips on behalf of BP (former Britoil
Britoil
Britoil was originally a privatised British oil company operating in the North Sea. It was once a constituent of the FTSE 100 Index.-History:...

), and was jointly owned by both. It is close to the Indefatigable field, and a plan was to use the (nearer) Bacton
Bacton Gas Terminal
The Bacton Gas Terminal is a large gas terminal found on the North Sea coast in North Norfolk near Paston and between Bacton and Mundesley. The nearest main town is North Walsham. The other main UK gas terminals are at St Fergus, Aberdeenshire and the Easington, East Riding of...

 gas plant instead. Production from the Viking gas field was the main incentive to build the Theddlethorpe site.

Vixen

This field is owned 50:50 by ConocoPhillips Ltd and BP
BP
BP p.l.c. is a global oil and gas company headquartered in London, United Kingdom. It is the third-largest energy company and fourth-largest company in the world measured by revenues and one of the six oil and gas "supermajors"...

 (Britoil plc). Operated by ConocoPhillips. It is 84 miles (135.2 km) off the Lincolnshire coast. It is transported to the terminal via the Viking Transportation System. Production began in October 2000 and was discovered in May 1999. Part of the V field system and named after the de Havilland Sea Vixen
De Havilland Sea Vixen
The de Havilland DH.110 Sea Vixen was a twin boom 1950s–1960s British two-seat jet fighter of the Fleet Air Arm designed by de Havilland. Developed from an earlier first generation jet fighter, the Sea Vixen was a capable carrier-based fleet defence fighter that served into the 1970s...

.

Boulton

Owned and run by ConocoPhillips. Gas is transported to the terminal via the Caister-Murdoch System (CMS) via the Murdoch field. It was discovered in November 1984 with production starting in December 1997 and named after Matthew Boulton
Matthew Boulton
Matthew Boulton, FRS was an English manufacturer and business partner of Scottish engineer James Watt. In the final quarter of the 18th century the partnership installed hundreds of Boulton & Watt steam engines, which were a great advance on the state of the art, making possible the...

, a colleague of James Watt.

Caister

It was originally run by Total
Total S.A.
Total S.A. is a French multinational oil company and one of the six "Supermajor" oil companies in the world.Its businesses cover the entire oil and gas chain, from crude oil and natural gas exploration and production to power generation, transportation, refining, petroleum product marketing, and...

, and now operated by ConocoPhillips. Gas is transported via the Murdoch field and the Caister Murdoch System (CMS) to the terminal. It was discovered in January 1968 with production starting October 1993 and named after Caister Castle
Caister Castle
Caister Castle is a 15th-century moated castle situated in the parish of West Caister, some north of the town of Great Yarmouth in the English county of Norfolk ....

 in Norfolk
Norfolk
Norfolk is a low-lying county in the East of England. It has borders with Lincolnshire to the west, Cambridgeshire to the west and southwest and Suffolk to the south. Its northern and eastern boundaries are the North Sea coast and to the north-west the county is bordered by The Wash. The county...

. It was 50% owned by Consort Europe Resources (became part of E.ON Ruhrgas
E.ON
E.ON AG, marketed with an interpunct as E•ON, is the holding company of the world's largest investor-owned energy service provider based in Düsseldorf, Germany. The name comes from the Greek word aeon which means eternity....

), 21% by GDF Britain Ltd
Gaz de France
Gaz de France was a French company which produced, transported and sold natural gas around the world, especially in France, its main market. The company was also particularly active in Belgium, the United Kingdom, Germany, and other European countries. Through its part-owned Belgian subsidiary SPE...

, and 30% by ConocoPhillips. It is now owned 40% by E.ON Ruhrgas UK Caister Ltd, 39% by ConocoPhillips UK Ltd, and 21 % by GDF Suez E & P UK Ltd.

Murdoch

The field is 75 miles (120.7 km) from the Lincolnshire coast. It is run by ConocoPhillips and named the Scottish engineer William Murdoch
William Murdoch
William Murdoch was a Scottish engineer and long-term inventor.Murdoch was employed by the firm of Boulton and Watt and worked for them in Cornwall, as a steam engine erector for ten years, spending most of the rest of his life in Birmingham, England.He was the inventor of the oscillating steam...

, a compatriot of James Watt, and who is best known for inventing gas lighting
Gas lighting
Gas lighting is production of artificial light from combustion of a gaseous fuel, including hydrogen, methane, carbon monoxide, propane, butane, acetylene, ethylene, or natural gas. Before electricity became sufficiently widespread and economical to allow for general public use, gas was the most...

, using coal gas
Coal gas
Coal gas is a flammable gaseous fuel made by the destructive distillation of coal containing a variety of calorific gases including hydrogen, carbon monoxide, methane and volatile hydrocarbons together with small quantities of non-calorific gases such as carbon dioxide and nitrogen...

. It was discovered in August 1987 with production starting in October 1993. It was owned 54% by ConocoPhillips, 34% by Tullow Exploration Ltd and 11% by GDF Britain Ltd
Gaz de France
Gaz de France was a French company which produced, transported and sold natural gas around the world, especially in France, its main market. The company was also particularly active in Belgium, the United Kingdom, Germany, and other European countries. Through its part-owned Belgian subsidiary SPE...

. It is now owned 59% by ConocoPhillips UK Ltd, 26% by GDF Suez E & P Uk Ltd, and 14% by Tullow Oil SK Ltd. The Murdoch K field is run by Tullow Oil
Tullow Oil
Tullow Oil plc is a global oil and gas exploration company headquartered in London, United Kingdom. It has interests in over 85 licences across 23 countries and in 2010 produced 58,100 barrels of oil equivalent per day...

. Gas is transported by the Caister Murdoch system to the terminal.

Cavendish

The field is owned by RWE Dea AG of Germany (Operator) and Dana Petroleum
Dana Petroleum
Dana Petroleum is a Korean-owned, British-based oil and gas exploration and production company. Its activities are focused on the North Sea and Africa. It is headquartered in Aberdeen and is a former constituent of the FTSE 250 Index.-History:...

. It uses the Caister Murdoch System and was discovered in January 1989. Named after the British scientist Henry Cavendish
Henry Cavendish
Henry Cavendish FRS was a British scientist noted for his discovery of hydrogen or what he called "inflammable air". He described the density of inflammable air, which formed water on combustion, in a 1766 paper "On Factitious Airs". Antoine Lavoisier later reproduced Cavendish's experiment and...

 who discovered hydrogen.

Saltfleetby

Thi onshore field was opened in December 1999 and discovered in October 1997, being originally run by Roc Oil of Australia, now operated by Wingas. It was bought by Wingas
Wingas
Wingas GmbH is a gas distribution, transport and storage company located in Kassel, Germany. The company was established in 1993 by Wintershall Holding AG, a subsidiary of BASF, and Gazprom...

 (owned by Gazprom
Gazprom
Open Joint Stock Company Gazprom is the largest extractor of natural gas in the world and the largest Russian company. Its headquarters are in Cheryomushki District, South-Western Administrative Okrug, Moscow...

 and BASF
BASF
BASF SE is the largest chemical company in the world and is headquartered in Germany. BASF originally stood for Badische Anilin- und Soda-Fabrik . Today, the four letters are a registered trademark and the company is listed on the Frankfurt Stock Exchange, London Stock Exchange, and Zurich Stock...

) in December 2004. Named after Saltfleetby
Saltfleetby
Saltfleetby is a village and civil parish in the county of Lincolnshire, England. Situated approximately east of Louth, north of Mablethorpe and on the coast of the North Sea, the village had a population of 599 at the 2001 Census....

.

Schooner

The field opened in October 1996. It is run by Tullow Oil, which it bought from Shell
Royal Dutch Shell
Royal Dutch Shell plc , commonly known as Shell, is a global oil and gas company headquartered in The Hague, Netherlands and with its registered office in London, United Kingdom. It is the fifth-largest company in the world according to a composite measure by Forbes magazine and one of the six...

 and Esso
Esso
Esso is an international trade name for ExxonMobil and its related companies. Pronounced , it is derived from the initials of the pre-1911 Standard Oil, and as such became the focus of much litigation and regulatory restriction in the United States. In 1972, it was largely replaced in the U.S. by...

 in 2004. Owned 90% by Tullow Oil SK Ltd, 5% by GDF Britain Ltd, and 5% by E.ON Ruhrgas UK EU Ltd. It uses the Caister Murdoch System and was discovered in December 1986. Named after the schooner
Schooner
A schooner is a type of sailing vessel characterized by the use of fore-and-aft sails on two or more masts with the forward mast being no taller than the rear masts....

 boat.

Ketch

The field opened in October 1999 and is run by Tullow Oil, which it bought from Shell in 2004. It uses the Caister Murdoch system. Discovered in November 1984. Named after the ketch
Ketch
A ketch is a sailing craft with two masts: a main mast, and a shorter mizzen mast abaft of the main mast, but forward of the rudder post. Both masts are rigged mainly fore-and-aft. From one to three jibs may be carried forward of the main mast when going to windward...

 boat.

Ann

Discovered in May 1966. Production bengan in October 1993. Uses the LOGGS system. Was owned 85% by Venture Production
Venture Production
Venture Production ltd was a leading British-based oil and gas exploration and production business. Its activities were focused on the North Sea...

 (North Sea Developments) Ltd and 15% by Roots Gas Ltd (based in Aberdeen), and now owned completely by Venture, who operate the field.

Audrey

Discovered in March 1976. Production began in October 1988. Uses the LOGGS system. Was jointly owned by Conoco and Centrica, and now owned by Venture Production who operate the field. Field is much larger than the neighbouring Ann field.

Alison

Discovered in February 1987 with production starting in October 1995. A small field. Was owned 85% by Venture Production (North Sea Developments) Ltd and 15% by Roots Gas Ltd, and now owned by Venture, who run it.

Anglia

Discovered in December 1985, with production starting in November 1991. Was owned 55% by CalEnergy Gas (UK) Ltd, 32% by Consort North Sea Ltd, 12% by Highland Energy Ltd. Now owned 25% by Dana Petroleum (since September 2006), 12% by RWE Dea UK SNS Ltd, 30% by GDF Suez E & P UK Ltd, and 30% by First Oil. Was operated by CalEnergy and then operated by GDF Suez
GDF Suez
GDF Suez S.A. is a French multinational energy company which operates in the fields of electricity generation and distribution, natural gas and renewable energy. The world's largest utility after taking control of Britain's International Power, the company was initially formed by the merger of Gaz...

 until 2011 since when it has been run by Ithaca Energy - Ithaca Energy (UK) Ltd. Uses the LOGGS system.

Pickerill

Discovered in December 1984 with production starting in August 1992. Originally run by ARCO
ARCO
Atlantic Richfield Company is an oil company with operations in the United States as well as in Indonesia, the North Sea, and the South China Sea. It has more than 1,300 gas stations in the western part of the United States. ARCO was originally formed by the merger of East Coast-based Atlantic...

 and now run by Perenco
Perenco
Perenco is an independent Anglo-French oil and gas company with a headquarters in London. It has exploration and production activities in 16 countries across the globe .Perenco is involved in operations both...

. Was owned 43% by ARCO British Ltd, 23% by AGIP (UK) Ltd, 23% by Superior Oil (UK) Ltd and 10% by Marubeni Oil & Gas (UK) Ltd. Now owned 95% by Perenco UK Ltd and 5% by Marubeni
Marubeni
is a Japanese trading company, one of the largest general trading companies in Japan.-Offices:*Head Office - 4-2, Otemachi 1-chome, Chiyoda, Tokyo, Japan*Head Office -20-6, Shiba 5-chome, Minato, Tokyo, Japan...

.

Topaz

The field began operations in November 2009. It is run by RWE Dea. Named after the topaz
Topaz
Topaz is a silicate mineral of aluminium and fluorine with the chemical formula Al2SiO42. Topaz crystallizes in the orthorhombic system and its crystals are mostly prismatic terminated by pyramidal and other faces.-Color and varieties:...

 mineral of aluminium.

Kelvin

Operated by ConocoPhillips and uses the Caister-Murdoch system. Discovered in September 2005 with production starting in November 2007. Owned 50% by ConocoPhillips (UK) Ltd, 27% by GDF Suez E & P UK Ltd, and 22% by Tullow Oil SK Ltd. Named after William Thomson, 1st Baron Kelvin
William Thomson, 1st Baron Kelvin
William Thomson, 1st Baron Kelvin OM, GCVO, PC, PRS, PRSE, was a mathematical physicist and engineer. At the University of Glasgow he did important work in the mathematical analysis of electricity and formulation of the first and second laws of thermodynamics, and did much to unify the emerging...

.

Rita

Operated by E.ON Ruhrgas UK North Sea Ltd. Production began in March 2009 and discovered in May 1996. Owned 74% by E.ON Ruhrgas UK Caister Ltd and 26% by GDF Suez E & P UK Ltd. Gas is transported via the Hunter field.

Jupiter area

These fields are Ganymede (discovered June 1989 with production starting October 1995), Sinope (discovered January 1991 with production starting October 1999), Callisto (discovered February 1990 with production starting October 1995), Europa (discovered September 1972 with production starting October 1999) and NW Bell (discovered in 1994 and production began in August 1999). They use the LOGGS pipeline via Ganymede, being operated by ConocoPhillips. It is named after the moons of Jupiter. They were owned 20% by ConocoPhillips, 30% by Statoil
Statoil
Statoil ASA is a Norwegian petroleum company established in 1972. It merged with Norsk Hydro in 2007 and was known as StatoilHydro until 2009, when the name was changed back to Statoil ASA. The brand Statoil was retained as a chain of fuel stations owned by StatoilHydro...

 and 50% by Superior Oil Company
Superior Oil Company
Superior Oil Company was an independent American oil company that is now part of ExxonMobil. Superior Oil was founded in 1921 in Coalinga, California by William Myron Keck, also founder of the W. M. Keck Foundation....

 (now owned by Esso).

Saturn area

These fields are Saturn (discovered December 1987 with production starting in September 2005), Mimas (discovered in May 1989 with production starting in June 2007), Hyperion, Atlas, Rhea (all three operating as one from September 2005 and discovered in January 1991) and Tethys (discovered in February 1991 with production starting in February 2007). They use the LOGGS pipeline. Production . The fields are named after the moons of Saturn. Owned by ConocoPhillips, RWE Dea AG, and by Venture North Sea Gas Ltd. Operated by ConocoPhillips.

V fields

These fields are Vulcan (discovered April 1983 with production starting October 1988), South Valiant & North Valiant (discovered in July 1970 and January 1971 with production starting for both in October 1988), Vanguard (discovered December 1982 with production starting October 1988), Victor (discovered May 1972 with production starting September 1984) Vampire (discovered in January 1994 with production starting October 1999), Viscount and Valkyrie. They use the LOGGS pipeline via the Viking platform. It is mostly jointly owned by ConocoPhillips and BP (former Britoil). Named after aircraft - the Avro Vulcan
Avro Vulcan
The Avro Vulcan, sometimes referred to as the Hawker Siddeley Vulcan, was a jet-powered delta wing strategic bomber, operated by the Royal Air Force from 1956 until 1984. Aircraft manufacturer A V Roe & Co designed the Vulcan in response to Specification B.35/46. Of the three V bombers produced,...

, Vickers Valiant
Vickers Valiant
The Vickers-Armstrongs Valiant was a British four-jet bomber, once part of the Royal Air Force's V bomber nuclear force in the 1950s and 1960s...

, Handley Page Victor
Handley Page Victor
The Handley Page Victor was a British jet bomber aircraft produced by the Handley Page Aircraft Company during the Cold War. It was the third and final of the V-bombers that provided Britain's nuclear deterrent. The other two V-bombers were the Avro Vulcan and the Vickers Valiant. Some aircraft...

, Vickers Viscount
Vickers Viscount
The Vickers Viscount was a British medium-range turboprop airliner first flown in 1948 by Vickers-Armstrongs, making it the first such aircraft to enter service in the world...

, XB-70 Valkyrie
XB-70 Valkyrie
The North American Aviation XB-70 Valkyrie was the prototype version of the proposed B-70 nuclear-armed deep-penetration strategic bomber for the United States Air Force's Strategic Air Command...

, and de Havilland Vampire
De Havilland Vampire
The de Havilland DH.100 Vampire was a British jet-engine fighter commissioned by the Royal Air Force during the Second World War. Following the Gloster Meteor, it was the second jet fighter to enter service with the RAF. Although it arrived too late to see combat during the war, the Vampire served...

. The V field project was officially opened by Margaret Thatcher
Margaret Thatcher
Margaret Hilda Thatcher, Baroness Thatcher, was Prime Minister of the United Kingdom from 1979 to 1990...

on 1 September 1988, when she visited the terminal. In the LOGGS system, the accommodation platform is separate from the production platform.

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