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As a result of some giant gas discoveries offshore India, many oil & gas companies have their sights set on this highly attractive region. However, the lack of good quality data has hampered exploration efforts. To provide an improved regional understanding of the petroleum systems of offshore India, ION's GeoVentures team designed IndiaSPAN.

Acquired in two phases, IndiaSPAN is a regional seismic data program and geologic study which covers all the major basins off the east and west coasts of India. The comprehensive program includes approximately 28,000 km of 2D marine data and was designed with the active participation of regional experts and with the goal of better understanding the regional geology and less explored basins in the region.

IndiaSPAN Phase 1- ~18,000 km
IndiaSPAN Phase 2 - ~10,000 km

Program Objectives

  • Provide a prestack, migrated, regional framework for India's prolific basins
  • Understand source rock potential and trap mechanisms in all the major sedimentary basins of the east and west coasts of India
  • Understand the basement structure, rift architecture, basin formation and deep water fan development
  • Provide a basis for understanding the conjugate fits with East Africa
  • Develop a mechanism for the Mesozoic and Cenozoic framework for India
  • Develop methodology for uncovering the vast hydrocarbon potential of India, particularly in deep water

Key Components

  • Imaging of the Krishna Godavari Basin, the Bay of Bengal Fan, the Mahanadi Basin, the Cauvery Basin, the West Bombay High, the Indus Fan, and the Palar Basin
  • Collected with 10,000 m offsets, 18-second record lengths and a powerful, deep-penetrating source
  • Conceptual model of the deep water potential of offshore India
  • Improved understanding of known petroleum systems
  • Intensive study of Indian Ocean plate tectonics and conjugate ties with East Africa

Additional Resources