Plate junctions and hydrocarbon accumulations in the Indian region

Nair, N. G. K. ; Gaur, V. K. ; Khattri AD, K. N. ; Sinvhal, H. (1981) Plate junctions and hydrocarbon accumulations in the Indian region Natural Resources Forum, 5 (1). pp. 77-84. ISSN 0165-0203

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Official URL: http://onlinelibrary.wiley.com/doi/10.1111/j.1477-...

Related URL: http://dx.doi.org/10.1111/j.1477-8947.1981.tb00440.x

Abstract

This article relates the productive and potential oil fields in India to plate junctions and other major tectonic features. High geothermal gradients are known to accelerate the expulsion of petroleum from the source bed, as well as its migration and accumulation in favourable reservoir rocks, resulting in high yield. Some of the world's major petroleum deposits occur along 'failed arms' associated with the plume generated triple junctions. Seven triple junctions have been located in the Indian region, and two more are identified here. Interestingly, India's off-shore petroleum prospects coincide with some of these triple junctions. Cet article etablit la relation entre les champs de petrole en production et potentiels en Inde a la theorie des plaques et a d'autres traits tectoniques importants. L'on sait que des gradients geothermiques eleves accelerent l'expulsion du petrole a partir de la roche-mere et favorisent la migration et l'accumulation dans des reservoirs convenables. Quelques-uns des plus grands champs de petrole du monde se rencontrent en liaison avec des 'bras morts' associes avec un systeme triple de fosses d'effondrement. Sept systemes triples ont ete reperes en Inde et deux autres sont reconnus ici. II est interessant de remarquer que les possibilites petrolieres de l'offshore indien coincide avec certains de ces systemes triples. Este articulo establece la relacion entre los campos petroliferos en produccion y potenciales de India a la teoria de placas y otros aspectos tectonicos. Es sabido que una gradiente termica alta ascelera la expulsion del petroleo desde la roca madre y favorece su migracion y acumulacion en rocas reservorio favorables. Algunos de los mayores depositos de petroleo se encuentran a lo largo de los "brazos muertos" asociados a un sistema triple de union de placas. Siete uniones de este tipo habia sido localizadas en India y otros dos mas son identificados aqui. Es interesante notar que las posibilidades petroleras en la zona maritima de India coinciden con alguna forma de sistemas triple de placas.

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