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Liquefied Natural Gas FacilitiesAAPA Facilities Engineering Seminar
Jacksonville, Florida January 11, 2005
Walter Sonne, P.E.Moffatt & Nichol
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LNG Receiving Terminals
Function:• Receive LNG from LNGC’s• Store LNG in Tanks• Regasify LNG and send out the gas via
pipeline for distribution
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What is LNG?LNG is natural gas cooled to -256° F at which point
the gas becomes a liquid
LNG has a density that is 600 times greater than natural gas
LNG is very pure – about 95% methane
LNG is economically and safely transported by ship – over 33,000 voyages in 45 years without breach of containment
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What LNG is NOT
Explosive at atmospheric pressure
Flammable as a liquid
Toxic
Transported or stored under pressure
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Existing LNG Terminals
Tractebel – Everett, MassDominion – Cove Point, MarylandSouthern – Elba Island, GeorgiaTrunkline – Lake Charles, LouisianaEco Electrica - Penuelas, Puerto RicoGulf Gateway – Offshore LouisianaConocoPhillips – Kenai, Alaska (liquefaction)
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Trunkline LNG – Lake Charles
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Eco Electrica LNG – Puerto Rico
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Terminals Under Construction
Freeport, Texas (ConocoPhillips)
Sabine Pass, Louisiana (Cheniere)
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Construction Pending
Cameron, Louisiana (Sempra)
Sabine, Texas (ExxonMobil)
Ingelside, Texas (Occidental)
Ingelside, Texas (Cheniere)
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Approved by FERC
Ingelside, Texas (ExxonMobil)
Fall River, Massachusetts (Weaver’s Cove)
Expansion at Elba Island, Georgia (Southern)
Expansion at Lake Charles, Louisiana (Trunkline)
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Other Terminals14 others proposed in the U.S.
8 proposed for offshore U.S.
4 proposed in Canada
2 proposed in the Bahamas
2 under construction in Mexico
3 proposed in Mexico
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LNG Carrier
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LNG Carrier
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Current LNG Carriers
About 180 carriers afloat
Maximum Capacity - 145,000 cubic meters
Length – between 260 and 299 meters (850 to 980 feet)
Beam – 42 to 45 meters (138 to 148 feet)
Loaded Draft – 10.5 to 11.8 meters (37.7 to 38.7 feet)
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Carriers on Order
About 110
Maximum Capacity - 215,000 cubic meters
Maximum Length – 315 meters (1033 feet)
Beam – 50 meters (165 feet)
Loaded Draft – 12 meters (39.4 feet)
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Planned Carriers
Maximum Capacity - 265,000 cubic meters
Maximum Length – 350 meters (1150 feet)
Beam – 55 meters (180 feet)
Loaded Draft – 13 meters (42.5 feet)
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Siting Criteria
Channel Depth – allow 10% underkeel
Channel Width – up to 5 times the beam (not always possible)
Turning Basin – twice the LOA of vessel (min)
Air draft – 135 feet (min)
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LNG Vessel Traffic
LNG Vessels at berth less than 24 hours
Security measures implemented by Coast Guard
Typically has little effect on other traffic
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LNG Vessel TrafficPlanned Terminals are between 0.75 and 2.6
billion standard cubic feet per day
• At 0.75 bscfd – one vessel every 4 days• At 1.0 bscfd – one vessel every 3 days• At 2.0 bscfd – one vessel every 1.5 days• At 2.6 bscfd – one vessel every 1 day
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LNG Safety and Security
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LNG Safety and Security
U.S. Coast Guard Responsibility
• Vessel Security Plan – NVIC 1002• Facility Security Plan – NVIC 1102• Waterway Suitability Assessment - 0505
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LNG Safety and Security
“Exclusion” zones are basically a safety and security zone and varies with each particular location and is usually conditional
The Coast Guard is the "owner" of the exclusion zone requirement while the vessel is in navigable waters and at berth
Each plan is specifically tailored to the needs of the local community and the characteristics of the water body upon which the LNG facility is located and the LNG vessels transit
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LNG Safety and SecurityExisting U.S. Terminals
While underway• Between 500 yards & 2 miles ahead or
astern• Between the channel width & 500 yards
While at berth – between 50 feet & 400 yards
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LNG Safety and SecurityExisting European Terminals
While underway• Between 0 and 800 meters ahead or astern• Typically the channel width
While at berth – between 50 & 200 meters
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Port Authorities
Site location – within port or outside of port limits
For sites not within port, role of the port authority is not clearly defined – stakeholder at a minimum
Waterway Suitability Assessment timing of 90 days is not realistic as detailed in NVIC 05-05.
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Port Authorities
Supportive of Project• Strong extensive public outreach and
education is critical• Typically much opposition – Port
Authorities need formative, positive messages and opinion pieces in place
• Interface mechanism for Questions and Answers is beneficial
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Crown Landing LNG Terminal
Rendering Courtesy of BP
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Casotte Landing LNG Terminal
Rendering Courtesy of Chevron
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Gravity Based Structure - GBS
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Floating Storage & Regasification Unit- FSRU -
FSRU
Onshore Power Plant
LNGC
Typical Tank
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Thank You