Enhancement of geologic interpretation using a new poststack seismic attribute

Barala, S.; Mohanty, Priya Ranjan

doi:10.1190/segam2016-13959241.1

Cited by 1 publication

(1 citation statement)

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“…Post-stack seismic data was later processed, from geometry assignment and static correction to migration. To resolve the complex geometries, time migration was performed first post-stack and then pre-stack, and the data were finally converted to the final stack [21].…”

Section: Methodsmentioning

confidence: 99%

A Hydrocarbon Resource Plays in Southern Pakistan´s Indus Basin

Shahzad¹,

Reis²,

Henriques³

2022

Preprint

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Due to the use of structural and seismic techniques an attempt has been made in this study to determine the hydrocarbon potential and future exploration in Pakistan's Lower Indus basin area and offshore region. In addition to the possibility of hydrocarbon accumulation, the major goals of this research are to analyze structural patterns in the subsurface of the study region, identify the horizons of various formations using surface seismic, and interpret seismic lines. Seismic data has been used to find and integrate the exposed Cretaceous/Tertiary basalt at Ranikot in the lower Indus basin to the well-known Deccan basalts of the Indo-Pak plate, which is the secondary goal of the current investigation. According to the interpretation of seismic data, the Indo-Pakistan plate has experienced rifting because of tectonic activity. Graben and horst structures have been identified in the study area horizon, which indicates that the area has undergone major structural and depositional changes. While faults provide a pathway for hydrocarbons to migrate from their source to reservoir rock, grabens are principally responsible for the accumulation of hydrocarbons. We further deduce that the prior exploration failures in the area were due to a lack of knowledge of the subsurface formations and structural trends, which are essential for characterizing the hydrocarbon play and trap features. Our results can be productive for the local hydrocarbon drilling projects as well as worldwide tectonic stratigraphy studies on passive continental edges.

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Section: Methodsmentioning

confidence: 99%