Name the next major energy source in India after coal. Explain its occurrences and distribution

Name the next major energy source in India after coal. Explain its occurrences and distribution.

Petroleum is the next major energy source in India after coal.
Occurrences: Most of the petroleum occurrences in India in the rock formations of tertiary age. It occurs in the crest of the upfold in the regions of folding and anticlines.

  • The oil bearing layer is a porous limestone or sandstone through which, oil may flow.
  • Petroleum is also found in fault traps between porous and non-porous rocks.

Distribution: About 63 per cent of India’s petroleum production is from Mumbai High, 18 per cent from Gujarat and 16 per cent from Assam.

  • Ankleshwar is the most important field of Gujarat.
  • Assam is the oldest oil producing state in India.
  • Digboi, Naharkatiya and Moran Hugrijan are the important oil fields in Assam.