Profile LNGC Population ww - Bulletin(02)

Profile LNGC Population ww - Bulletin(02)

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  PROFILE OF LNGCPOPULATION WORLDWIDE PRESENTED BY; Achmad Agung P, ST, MM Direktur Teknik & Ops PT. Samudera Indonesia Ship Management (SISM) Managing Director PT. Samudera Energi Tangguh (SET) Direktur Ops PT. Samudera Mbiantu Sesami (SMS) Abstract Have you guyseverimagine,whatis the total population numbers of LNG Carriers from various size and type that is still operating / sailing nowadays? Well, rough guess, from several entrusted sources I had, there are total of abt. 343 units of LNGC vessels from various ages, sizes and types are still operating worldwidenow.Off courseoutof thatnumbers,thereare alwayssetoff between newly delivered vessels to the market with numbers of units phased out.
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  If we’d liketo see deeper in to the numbers, if any of you are interesting to know further the profiles and demographic distribution of such population numbers, we can start up with defining the appropriate ways of categorization, as enable us to do proper grouping and clustering all the available information/data's. Peoples are used to cluster the LNGC under several common categorizations i.e. by ages, by sizes, by types of tank (containment) system, etc. I. Size Categorizations OCIMF had introduced a standard categorization, in accordance to the volumetric size of the LNGC’s cargo tank containment (in cub.meter). The categorizations are set as follows;  Category A vessels : LNGC vessels with cargo tank capacity less then 59,999 m3  Category B vessels : LNGC vessels with cargo tank capacity in between 60,000 m3 up to 149,999 m3  Category C vessels : LNGC vessels with cargo tank capacity over then 150,000 m3 and above The Size profile of the LNGC population, under this categorization is as shown on the following enclosed statistical chart It’s obviously seen that the most common size of The LNGC in the market is in the range of Cat.B size, thus means most of LNGC vessels operating in the market nowadays are having capacity size in between 60,000 m3 up to 149,999 m3/. The Cat.B vessel is dominating the population by 72%. II. Categorizations by Types of Tank (Containment) System There are at least 3 main groups of Cargo Tank (containment) systems, detailed as follows;
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   Membrane Typessystems – comprise of all basic membrane technology containment / system i.e. GTT Mk I, GTT Mk III, GT. No.82, 85, 88, GT No.96, etc  Spherical Types system – Mostly MOSS Rosenberg technology containment / system  Other Types / Systems – included but not limited to ESSO, IHI SPB, Worm, Cylindrical, Bi-Lobe, etc The profile is as seen on the following charts Tank Type Cat LNGC Pop It’s obviously seen that LNGC vessels having (adopting) Membrane Type Technology for its containment system onboard are dominating the overall population numbers by 65% of the population. III. Ages Categorizations Normally peoples are grouping the vessel’s age under following terms and norms;  Below 5 years old – all vessels built no more (less) than 5 years a go  5 to 25 years old – all vessels built and operated sometime between last 5 years to last 25 years.  Above 25 years old – all vessels built and operated more than 25 years back. IV. Mixed up Categorizations Some peoples are sometime also doing mixed up categorization in order to get in to a more through rough profile pictures, describing a more complex demographic distribution throughout the population.
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  Herewith are profilesof some Mixed up categorization i.e. Age profile by OCIMF size Categorization, Age Profile by Types of Containment System, Size profile of LNGC by Containment System, etc. From which we can see at least, that most of LNG Vessels at Cat.B were built between last 5 years to the last 25 years, where else most of Cat.A vessels were built very recently (less than 5 years old). At the same time, we could also see that most of LNGC vessels built very recently (less than 5 years old) are using Membrane types of containment system. As to summarize the above outlined, we could conclude at least that The common size and type in the market which dominating the most population of LNGC vessels worldwide nowadays are Cat.B size of vessels with Membrane containment technology / system. Hope it may useful, Early July 2011
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  REFFERENCES Berikut ini adalahlist dari beberapa reference umum yang mengatur pelaksanaan Operasional STS LNG transfer; 1. Classification society - Code for existing ships carrying liquefied gases in bulk 2. Statutory Reg – Safety Regulation for LNG 3. SOLAS International Convention for Safety at Sea 4. ILLC International Convention on Load Lines 5. Code for construction and equipment of ship carrying liquefied gases in bulk (IMO resolution a 328) and IMO res a 329 6. IGC/GC code for construction and equipment of ships carrying gases in bulk 7. MSC 93/May 2014 – Amendments to MARPOL Annex I.Ch.4 applied for IGC/GC Code. 8. U.S. Maritime Transport Security Act of 2002, Promotes delivery of CNG to offshore gas ports 9. USCG developing rules for Offshore Gas Ports 10. OCIMF Recommendations for manifolds for refrigerated liquefied natural gas (LNG), mooring equipment guidelines, ICS, STS Transfer Guide (Liquefied gasses) 11. ISGOTT (International Safety Guide for Oil Tanker & Terminals) 12. SIGTTO (Society of International Gas Tankers & Terminal Operators) 13. US NFPA 56 b – for safety and fire protection; 59A, BS EN 1473, dan CFR 49 part 193 14. Industrial Standard (API, ASME, etc) 15. Excelerate / Exmar STS LNG Transfer Guidelines TIPS / TRICKS & RULES OF THUMB 1. 1 MTPA = 141 MMSCFD 2. 1 MMSCF = 1000 MMBTU 3. Untuk LNG ; 1 CBM = 1 x (600 / 28,000) MMSCF 4. Untuk CNG ; 1 CBM = 1 x (200 / 28,000) MMSCF 5. Kebutuhan gas untuk gas power plan (x) MW adalah kurang lebih (x) / 4 MMSCFD (base load) 6. Untuk LNG karena SG kurang lbh adalah 0.5, maka tonase kapal (DWT) adalah 0.5 dari volume tangki kapal 7. Istilah 1 cargo dalam trade LNG biasanya mengacu kepada volume 125,000 CBM cargo