๐ Topic 03 of 6 ยท Chapter 07 ยท Minerals & Energy Resources
Petroleum & Natural Gas in India
Mumbai High, Assam, Gujarat oilfields, ONGC, KG Basin โ complete notes for UPSC & PSC exams.
๐ข๏ธ Major Oilfields of India
| Oilfield | Location | Key Facts |
|---|---|---|
| Mumbai High | Offshore, Arabian Sea (160 km NW of Mumbai) | Largest oilfield in India; discovered 1974; operated by ONGC; ~40% of India’s crude oil |
| Digboi | Assam | Oldest oilfield in India (1889); first oil well in Asia |
| Naharkatiya | Assam | Major oilfield; Assam = oldest oil-producing state |
| Ankleshwar | Gujarat | Largest onshore oilfield in India |
| Kalol, Mehsana | Gujarat | Major oilfields in Gujarat |
| Barmer | Rajasthan | Mangala oilfield; discovered 2004; significant reserves |
| KG Basin (D6 block) | Offshore, Bay of Bengal (AP coast) | Major natural gas reserves; Reliance Industries; KG = Krishna-Godavari |
๐ข๏ธ Oil Refineries of India
- Jamnagar (Gujarat) โ Reliance Industries โ world’s largest refinery complex
- Koyali (Gujarat) โ Indian Oil Corporation โ largest public sector refinery
- Trombay/Mumbai (Maharashtra) โ Bharat Petroleum
- Mathura (UP) โ Indian Oil Corporation
- Barauni (Bihar) โ Indian Oil Corporation
- Digboi (Assam) โ Indian Oil Corporation โ oldest refinery in India (1901)
- India has 23 oil refineries with total capacity ~250 million tonnes/year
โญ Key Facts โ Petroleum:
โข Mumbai High = largest oilfield in India = offshore = Arabian Sea
โข Digboi (Assam) = oldest oilfield in India (1889) = first in Asia
โข ONGC = Oil and Natural Gas Corporation = largest oil producer
โข India imports ~85% of its crude oil needs
โข KG Basin = Krishna-Godavari Basin = major natural gas reserves
โข Jamnagar = world’s largest oil refinery complex (Reliance)
โข Mumbai High = largest oilfield in India = offshore = Arabian Sea
โข Digboi (Assam) = oldest oilfield in India (1889) = first in Asia
โข ONGC = Oil and Natural Gas Corporation = largest oil producer
โข India imports ~85% of its crude oil needs
โข KG Basin = Krishna-Godavari Basin = major natural gas reserves
โข Jamnagar = world’s largest oil refinery complex (Reliance)