Helix Producer I seen flaring natural gas in the Gulf of Mexico over the Phoenix Field. | |
History | |
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Name: |
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Owner: | Kommandor LLC |
Operator: | Helix Energy Solutions Group |
Port of registry: | |
Builder: | Howaldtswerke-Deutsche Werft, Viktor Lenac Shipyard |
Acquired: | 2 May 1986 |
Identification: |
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Status: | Operational |
Notes: | [1] |
General characteristics | |
Type: | Multi-purpose offshore vessel |
Tonnage: | 17,357 GT |
Length: | 161.5 m (530 ft) |
Beam: | 29 m (95 ft) |
Draught: | 8.6 m (28 ft) |
Depth: | 14 m (46 ft) |
Capacity: |
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Notes: | [1] [2] |
Helix Producer I is a ship-shaped monohull floating production and offloading vessel, converted from the ferry MV Karl Carstens. It has no storage capability. [2]
The ship was built in 1986 for Deutsche Bundesbahn as a roll-on roll-off (RORO) ferry serving on the Vogelfluglinie, a connection between Fehmarn, Germany and Denmark. It remained in service from 1986 until 1997.
The ship was reconfigured as a Floating Production vessel and converted between 2006–2008 at the Viktor Lenac Shipyard in Croatia. [2] [3] Topside production facilities were designed by OFD Engineering in Houston, Texas and installed in 2009 at the Kiewit shipyard in Corpus Christi, Texas, United States. [4]
Helix Producer I has a Disconectable Transfer system (DTS) designed and supplied by Flexible Engineered Solutions LTD (FES), UK, and consists of a riser buoy supporting sub-sea risers and control umbilicals that would be connected to a deep water well and can be released from the hull, allowing the vessel to move out of the way of an approaching hurricane. After the storm, the vessel would return to the site and reconnect the buoy resuming normal oil extraction. It is operated by the Helix Energy Solutions Group and was scheduled to operate on the Phoenix Oil Field in the Gulf of Mexico, but on 14 June 2010 Helix announced that the ship would be directed to assist BP at the Deepwater Horizon oil spill site. [5]
In its new configuration the ship has a length of 161.5 m (530 ft), a breadth of 29 m (95 ft) (increased from before 18 m (59 ft)), a depth of 14.2 m (47 ft), and a draft of 8.6 m (28 ft). The vessel has a maximum displacement of 29,000 t (29,000 long tons; 32,000 short tons), and as a light ship of 9,475 t (9,325 long tons; 10,444 short tons). [2]
In June 2010, BP announced that Helix Producer I would join Discoverer Enterprise and Toisa Pisces at the Deepwater Horizon site to process oil that is flowing from the deepwater well. While Discover Enterprise can process about 18,000 barrels (760,000 US gallons; 2,900 cubic metres) of oil per day, Helix Producer I can handle about 30,000 barrels. [6] The estimate of the uncontrolled oil flow at that time was up to 60,000 barrels. It was anticipated that Helix Producer I would be used for 2 months for this mission. [6] Oil from Helix Producer I was to be offloaded by a shuttle tanker. Starting in early August mud, later cement was pumped into the well, eventually closing it, so that by 19 September 2010, it could be announced that the Macondo Well had been finally killed. [7]
A floating production storage and offloading (FPSO) unit is a floating vessel used by the offshore oil and gas industry for the production and processing of hydrocarbons, and for the storage of oil. An FPSO vessel is designed to receive hydrocarbons produced by itself or from nearby platforms or subsea template, process them, and store oil until it can be offloaded onto a tanker or, less frequently, transported through a pipeline. FPSOs are preferred in frontier offshore regions as they are easy to install, and do not require a local pipeline infrastructure to export oil. FPSOs can be a conversion of an oil tanker or can be a vessel built specially for the application. A vessel used only to store oil is referred to as a floating storage and offloading (FSO) vessel.
The Bonga Field is an oilfield in Nigeria. It was located in License block OPL 212 off the Nigerian coast, which was renamed OML 118 in February 2000. The field covers approximately 60 km2 in an average water depth of 1,000 metres (3,300 ft). The field was discovered in 1996, with government approval for its development given in 2002. The field began first production in November 2005. The field is worked via an FPSO vessel. The field produces both petroleum and natural gas; the petroleum is offloaded to tankers while the gas is piped back to Nigeria where it is exported via an LNG plant. The field contains approximately 6,000 mm barrels of oil.
Foinaven oil field is deepwater oil development approximately 190 kilometres (120 mi) west of the Shetland Islands. Together with Schiehallion, Loyal, Solan, Clair and Lancaster fields it forms the area generally termed as the West of Shetland.
Deepwater Horizon was an ultra-deepwater, dynamically positioned, semi-submersible offshore drilling rig owned by Transocean. Built in 2001 in South Korea by Hyundai Heavy Industries, the rig was commissioned by R&B Falcon, registered in Majuro, and leased to BP from 2001 until September 2013. In September 2009, the rig drilled the deepest oil well in history at a vertical depth of 35,050 ft (10,683 m) and measured depth of 35,055 ft (10,685 m) in the Tiber Oil Field at Keathley Canyon block 102, approximately 250 miles (400 km) southeast of Houston, in 4,132 feet (1,259 m) of water.
The FPSO Noble Seillean was a dynamically positioned floating oil production, storage and offloading vessel.
Q4000 is a multi-purpose oil field construction and intervention vessel ordered in 1999 by Cal Dive International, and was built at the Keppel AmFELS shipyard in Brownsville, Texas for $180 million. She was delivered in 2002 and operates under the flag of the United States. She is operated by Helix Energy Solutions Group. The original Q4000 concept was conceived and is owned by SPD/McClure. The design was later modified by Bennett Offshore, which was selected to develop both the basic and detailed design.
The Deepwater Horizon oil spill is an industrial disaster that began on April 20, 2010, in the Gulf of Mexico on the BP-operated Macondo Prospect, considered to be the largest marine oil spill in the history of the petroleum industry and estimated to be 8% to 31% larger in volume than the previous largest, the Ixtoc I oil spill, also in the Gulf of Mexico. The U.S. federal government estimated the total discharge at 4.9 million barrels. After several failed efforts to contain the flow, the well was declared, better than what it was, and sealed on September 19, 2010. Reports in early 2012 indicated that the well site was still leaking. The Deepwater Horizon oil spill is regarded as one of the largest environmental disasters in American history.
The Macondo Prospect is an oil and gas prospect in the United States Exclusive Economic Zone of the Gulf of Mexico, off the coast of Louisiana. The prospect was the site of the Deepwater Horizon drilling rig explosion in April 2010 that led to a major oil spill in the region.
The Deepwater Horizon drilling rig explosion was the April 20, 2010, explosion and subsequent fire on the Deepwater Horizon semi-submersible Mobile Offshore Drilling Unit (MODU), which was owned and operated by Transocean and drilling for BP in the Macondo Prospect oil field about 40 miles (64 km) southeast off the Louisiana coast. The explosion and subsequent fire resulted in the sinking of the Deepwater Horizon and the deaths of 11 workers; 17 others were injured. The same blowout that caused the explosion also caused an oil well fire and a massive offshore oil spill in the Gulf of Mexico, considered the largest accidental marine oil spill in the world, and the largest environmental disaster in U.S. history.
The following is a timeline of the Deepwater Horizon oil spill. It was a massive oil spill in the Gulf of Mexico, the largest offshore spill in U.S. history. It was a result of the well blowout that began with the Deepwater Horizon drilling rig explosion on April 20, 2010.
Development Driller III is a fifth generation, Vanuatu-flagged dynamic positioning semi-submersible ultra-deepwater drilling rig owned by Transocean and operated under lease agreements by various petroleum exploration and production companies worldwide. The vessel is capable of drilling in water depths up to 7,500 feet (2,300 m) with drilling depth of 35,000 feet (11,000 m), upgradeable to 37,500 feet (11,400 m).
Discoverer Enterprise is a fifth generation deepwater double hulled dynamically positioned drillship owned and operated by Transocean Offshore Deepwater Drilling Inc., capable of operating in moderate environments and water depths up to 3,049 m (10,000 ft) using an 18.75 in (47.6 cm), 15,000 psi blowout preventer (BOP), and a 21 in (53 cm) outside diameter (OD) marine riser. From 1998 to 2005 the vessel was Panama-flagged and currently flies the flag of convenience of the Marshall Islands.
Helix Energy Solutions Inc., known as Cal Dive International prior to 2006, is an American oil and gas services company headquartered in Houston, Texas. The company is a global provider of offshore services in well intervention and ROV operations of new and existing oil and gas fields.
Toisa Pisces is a Liberia-flagged well test and servicing vessel owned and operated by Sealion Shipping Ltd. She is classified by Det Norske Veritas as an oil production and storage unit.
Following is a timeline of the Deepwater Horizon oil spill for June 2010.
Following is a timeline of the Deepwater Horizon oil spill for July 2010.
Efforts to stem the Deepwater Horizon oil spill were ongoing from the time that the Deepwater Horizon exploded on 4/20/2010 until the well was sealed by a cap on July 15, 2010. Various species of dolphins and other mammals, birds, and the endangered sea turtles have been killed either directly or indirectly by the oil spill. The Deepwater Horizon spill has surpassed in volume the 1989 Exxon Valdez oil spill as the largest ever to originate in U.S.-controlled waters; it is comparable to the 1979 Ixtoc I oil spill in total volume released.
The Helix fast-response system (HFRS) is a deep-sea oil spill response plan licensed by HWCG LLC, a consortium of 16 independent oil companies, to respond to subsea well incidents. Helix Energy Solutions Group designed the Helix fast-response system based on techniques used to contain the 2010 Gulf of Mexico oil spill. On February 28, 2011 the drilling moratorium imposed as a result of the spill ended when the United States Department of the Interior approved the first drilling permit based on the availability of the HFRS to offshore oil companies.
The Deepwater Horizon investigation included several investigations and commissions, among others reports by National Incident Commander Thad Allen, United States Coast Guard, National Commission on the BP Deepwater Horizon Oil Spill and Offshore Drilling, Bureau of Ocean Energy Management, Regulation and Enforcement, National Academy of Engineering, National Research Council, Government Accountability Office, National Oil Spill Commission, and Chemical Safety and Hazard Investigation Board.
The Deepwater Horizon oil spill was discovered on the afternoon of 22 April 2010 when a large oil slick began to spread at the former rig site. According to the Flow Rate Technical Group, the leak amounted to about 4.9 million barrels of oil, exceeding the 1989 Exxon Valdez oil spill as the largest ever to originate in U.S.-controlled waters and the 1979 Ixtoc I oil spill as the largest spill in the Gulf of Mexico. BP has challenged this calculation saying that it is overestimated as it includes over 810,000 barrels of oil which was collected before it could enter the Gulf waters.
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