Natural Gas in Bangladesh

Topics: Natural gas, Electricity generation, Compressed natural gas Pages: 5 (1836 words) Published: July 25, 2012
Bangladesh has always been considered a natural gas rich country. It is largely available in the eastern part of the country extending from greater Sylhet down to greater Comilla, Noakhali and Chittagong. It has also been discovered offshore in the Bay of Bengal. Natural gas plays an important role in the country's economy. It is an environment friendly fuel, which undergoes clean and odorless combustion. It is widely used as fuel for domestic (cooking and heating), industrial (metallurgical, ceramic, glass, bread and biscuits, power stations, cement works, factory process steam boilers, etc) and agricultural (drying, heating, steam boilers) use. LIQUEFIED PETROLEUM GAS (LPG), LIQUEFIED NATURAL GAS (LNG), COMPRESSED NATURAL GAS (CNG) are obtained from natural gas and are used as fuels in domestic, industrial and agricultural applications. In chemical industries natural gas is used as feedstock for the manufacture of fertilizers, plastics, resins, rubbers, and various chemicals such as carbon black, detergents, ammonia, nitric acid, weed killers, etc. Natural gas from Bangladesh is very pure, with about 95% to 99% methane and almost no sulphur. The average compositions are 97.33% methane, 1.72-% ethane, 0.35% propane and 0.19% higher hydrocarbons. Gas in most of the fields is dry, but in a few fields it is wet, with considerable amounts of condensate, eg at Beanibazar (16 bbl/mmcfg), Jalalabad (15 bbl/mmcfg), and Kailashtila (13 bbl/mmcfg). The total condensate reserve in the country is estimated at about 65 million barrels.

GAS reserve of Bangladesh:
In Bangladesh, natural gas is one of the important sources of energy that accounts for 75% of the commercial energy of the country. Till now 23 gas fields have been discovered in the country. The estimated recoverable proved and probable reserve of the 23 gas fields is 28 TCF. Out of which, as of June 2009, a total of 8.37 TCF gas has already been produced and as such the left over proved and probable recoverable reserve is 20 TCF. The probable reserve needs to be converted into proved reserve through further appraisal/development drilling program for effective gas based forward planning. Out of the 23 fields, two are offshore in the Bay of Bengal and the rest are located in the eastern onshore areas. The gas occurs in Miocene (5 to 24 million years before present)-Pliocene (2 to 5 million years before present) sandstone reservoirs at depths of about 1,000 to 3,500m below the surface. The discovered 23 gas fields are at Sylhet, Chhatak, Titas, Rashidpur, Kailastila, Habiganj, Bakhrabad, Semutang, Kutubdia, Begumganj, Kamta, Feni, Beanibazar, Fenchuganj, Jalalabad, Narsingdi, Meghna, Shahbazpur, Saldanadi, Sangu, Bibiyana Maulvi Bazar and Sundalpur. Most of the gasfields are located in and around the frontal fold belt of the Indo-Burman Ranges in the eastern part of the country.

Production & Marketing :
Production and marketing of natural gas in Bangladesh started in 1960 with pipeline gas supply from Chattak gasfield to Chattak cement factory. In 1961, a second gasfield, Sylhet, was put under production to supply gas to Fenchuganj fertiliser factory. In 1961, the total gas produced was 3.5 billion cubic feet. Production and marketing of gas in the country has grown steadily ever since. By the end of 1998, the number of gasfields discovered reached 22, with 12 fields under production. In 1998, total production of natural gas in the country was 298 billion cubic feet. The present rate of gas production is about 1,000 million cubic feet per day. Immediately after the production of natural gas from the gasfields, it is necessary to have gas flowing through pipelines. Such pipelines are installed according to supply and demand. Transmission and distribution companies have been formed for the purpose. Bangladesh possesses an extensive and long-established gas network. An extensive pipeline network brings gas to consumers, including industrial, commercial and domestic...
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