Gas hydrates in India: Potential and development

K Sain, H Gupta - Gondwana Research, 2012 - Elsevier
The shallow sediments along the Indian continental margin are good hosts for gas hydrates,
and the methane within gas hydrates has been prognosticated as more than 1500 times of …

A methodology of porosity estimation from inversion of post-stack seismic data

R Kumar, B Das, R Chatterjee, K Sain - Journal of Natural Gas Science and …, 2016 - Elsevier
Post-stack inversion of seismic data is routinely carried out to derive acoustic impedance (AI)
and, hence petrophysical properties in an area. We have been introducing here an …

Gas hydrate distribution and carbon sequestration through coupled microbial methanogenesis and silicate weathering in the Krishna–Godavari basin, offshore India

EA Solomon, AJ Spivack, M Kastner, ME Torres… - Marine and Petroleum …, 2014 - Elsevier
Abstract The National Gas Hydrate Program Expedition 01 cored ten sites in the Krishna–
Godavari basin, located on the southeastern margin of India. A comprehensive suite of pore …

Seabed morphology and gas venting features in the continental slope region of Krishna–Godavari basin, Bay of Bengal: Implications in gas-hydrate exploration

P Dewangan, T Ramprasad, MV Ramana… - Marine and Petroleum …, 2010 - Elsevier
Increased oil and gas exploration activity has led to a detailed investigation of the
continental shelf and adjacent slope regions of Mahanadi, Krishna–Godavari (KG) and …

Evidence of slumping/sliding in Krishna–Godavari offshore basin due to gas/fluid movements

T Ramprasad, P Dewangan, MV Ramana… - Marine and Petroleum …, 2011 - Elsevier
The Krishna–Godavari (KG) offshore basin is one of the promising petroliferous basins of the
eastern continental margin of India. Drilling in this basin proved the presence of gas hydrate …

Evidence of paleo–cold seep activity from the Bay of Bengal, offshore India

A Mazumdar, P Dewangan, HM Joäo… - Geochemistry …, 2009 - Wiley Online Library
We report evidence of paleo–cold seep associated activities, preserved in methane‐derived
carbonates in association with chemosynthetic clams (Calyptogena sp.) from a sediment …

Diagenesis of magnetic minerals in a gas hydrate/cold seep environment off the Krishna–Godavari basin, Bay of Bengal

P Dewangan, N Basavaiah, FK Badesab, A Usapkar… - Marine Geology, 2013 - Elsevier
We carried out detailed magnetic measurements of the core (MD161/8) located in the vicinity
of Site NGHP-01-10, where~ 128 m of hydrate is confirmed by drilling/coring, to understand …

Geochemical and geological constraints on the composition of marine sediment pore fluid: Possible link to gas hydrate deposits

A Mazumdar, HM Joao, A Peketi, P Dewangan… - Marine and Petroleum …, 2012 - Elsevier
Pore water sulfate consumption in marine sediments is controlled by microbially driven
sulfate reduction via organo-clastic and methane oxidation processes. In this work, we …

Diagenesis of magnetic minerals in active/relict methane seep: Constraints from rock magnetism and mineralogical records from Bay of Bengal

V Gaikwad, F Badesab, P Dewangan… - Frontiers in Earth …, 2021 - frontiersin.org
In this study, we conducted a comprehensive investigation of rock magnetic, mineralogical,
and sedimentological records of sediment cores supplemented by a high resolution seismic …

Macrofaunal distribution, diversity, and its ecological interaction at the cold seep site of Krishna-Godavari Basin, East Coast of India

N Sangodkar, MJ Gonsalves, DR Nazareth - Microbial ecology, 2023 - Springer
Cold seeps are characterized by typical endemic communities with associated
microorganisms that depend on sulfide, methane, reduced nitrogenous compounds, and …