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The '''Mumbai High Field''', formerly called the '''Bombay High Field''', <!-- http://www.dghindia.org/19.aspx --> is an offshore [[oilfield]] 176 km off the west coast of [[Mumbai]], in [[Gulf of Cambay]] region of India, in about 75 m of water.<ref name="Rao Talukdar 1980 p487"/> The oil operations are run by India's [[Oil and Natural Gas Corporation]] (ONGC). | The '''Mumbai High Field''', formerly called the '''Bombay High Field''', <!-- http://www.dghindia.org/19.aspx --> is an offshore [[oilfield]] 176 km off the west coast of [[Mumbai]], in [[Gulf of Cambay]] region of India, in about 75 m of water.<ref name="Rao Talukdar 1980 p487"/> The oil operations are run by India's [[Oil and Natural Gas Corporation]] (ONGC). | ||
Mumbai High field was discovered by an | Mumbai High field was discovered by an [[India|Indo]]-[[Soviet Union|Soviet]] oil exploration team operating from the seismic exploration vessel ''Academic Arkhangelsky''<ref name="Rao Talukdar 1980 p487"/> during mapping of the [[Gulf of Khambhat]] (earlier Cambay) in 1964–67, followed by a detailed survey in 1972.<ref name="Rao Talukdar 1980 p487"/> The naming of the field is attributed to a team from a survey run in 1965 analysed in the Rashmi building in [[Peddar Road]], Cumballa Hill, Mumbai. The first offshore well was sunk in 1974.<ref name="Rao Talukdar 1980 p487"/> | ||
Every oil resource rock requires [[Structural trap]]s which are mainly salt dome, coral reefs, fault trap and fold trap. In case of Mumbai High, the structure is a "north-northwest to south-southeast trending doubly plunging [[Anticline]] with a [[Fault (geology)|faulted]] east limb", 65 km long and 23 km wide",<ref name="Rao Talukdar 1980 p487"/> and is the most probable reason to call it "Mumbai High". | Every oil resource rock requires [[Structural trap]]s which are mainly salt dome, coral reefs, fault trap and fold trap. In case of Mumbai High, the structure is a "north-northwest to south-southeast trending doubly plunging [[Anticline]] with a [[Fault (geology)|faulted]] east limb", 65 km long and 23 km wide",<ref name="Rao Talukdar 1980 p487"/> and is the most probable reason to call it "Mumbai High". | ||
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Crude oil produced from Mumbai High is considered to be of very good quality as compared to crudes produced in middle east. Mumbai High crude has more than 60% paraffinic content while light Arabian crude has only 25% paraffin.<ref>{{cite web|url=http://www.ongc.net |title=Billingual-Home |publisher=ONGC |access-date=2010-08-14}}</ref> | Crude oil produced from Mumbai High is considered to be of very good quality as compared to crudes produced in middle east. Mumbai High crude has more than 60% paraffinic content while light Arabian crude has only 25% paraffin.<ref>{{cite web|url=http://www.ongc.net |title=Billingual-Home |publisher=ONGC |access-date=2010-08-14}}</ref> | ||
In November 2009, output of Mumbai High fields, that | In November 2009, output of Mumbai High fields, that accounted for half of the India's domestic oil production, fell 5.3% to {{convert|347197|oilbbl/d}}.<ref>{{cite web|url=http://www.thehindubusinessline.com/2009/12/25/stories/2009122553051400.htm |title=November gas production up 47.6%, crude oil down 1.5% |publisher=The Hindu Business Line |date=2009-12-25 |access-date=2010-08-14}}</ref> | ||
In 2018 the output of the field was {{convert|205000|oilbbl/d}}.<ref>https://timesofindia.indiatimes.com/business/india-business/ongc-makes-significant-oil-gas-discovery-in-arabian-sea/articleshow/62325917.cms</ref><ref>[https://www.offshore-technology.com/projects/mumbai-high/ Mumbai High]</ref> | In 2018 the output of the field was {{convert|205000|oilbbl/d}}.<ref>{{Cite web|url=https://timesofindia.indiatimes.com/business/india-business/ongc-makes-significant-oil-gas-discovery-in-arabian-sea/articleshow/62325917.cms|title = ONGC: ONGC makes significant oil, gas discovery in Arabian Sea - Times of India}}</ref><ref>[https://www.offshore-technology.com/projects/mumbai-high/ Mumbai High]</ref> | ||
In 2020 the output of the field was {{convert|170000|oilbbl/d}} and the output of the Bassein field was {{convert|60000|oilbbl/d}}. | In 2020 the output of the field was {{convert|170000|oilbbl/d}} and the output of the Bassein field was {{convert|60000|oilbbl/d}}. | ||
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<ref><https://www.newindianexpress.com/business/2020/jun/22/ongc-suspends-operations-at-two-rigs-in-arabian-sea-after-corona-positive-cases-tightens-safety-nor-2159943.html></ref> | <ref><https://www.newindianexpress.com/business/2020/jun/22/ongc-suspends-operations-at-two-rigs-in-arabian-sea-after-corona-positive-cases-tightens-safety-nor-2159943.html></ref> | ||
As of 2020 Mumbai High and Bassein were India's top oil and gas producing fields, accounting for almost | As of 2020 Mumbai High and Bassein were India's top oil and gas producing fields, accounting for almost two-third of the country's production. | ||
==References== | ==References== | ||