Integrated interpretation of seismic and magnetotelluric data on Shurab diapirs in Qom basin, Central Iran

Oskooi, B.; Moradi, M.; Smirnov, M.

doi:10.1007/s11600-019-00286-2

Artykuł - szczegóły

Tytuł artykułu

Integrated interpretation of seismic and magnetotelluric data on Shurab diapirs in Qom basin, Central Iran

Autorzy

Oskooi B. , Moradi M. , Smirnov M.

Wybrane pełne teksty z tego czasopisma

https://www.springer.com/journal/11600

Identyfikatory

DOI

10.1007/s11600-019-00286-2

Warianty tytułu

Języki publikacji

Abstrakty

In recent decades, diapirs are frequently used for CO2 and natural gas storage due to their extremely impermeable and nonreactive characteristics. Among various approaches, we use an integrated interpretation approach to resolve the diapir no. 4 belonging to the Shurab diapirs (SD). The SD is a group of diapirs that have pierced to the surface of the Qom basin of Central Iran, which is a candidate for natural gas storages. The complex geology of the SD is the main cause that previous 2D seismic surveys across the diapir could not provide required information to propose any location for any exploration borehole. Consequentially, 28 magnetotelluric (MT) and 1 audio-magnetotelluric station were measured along a SW-NE profle. Dimensionality and strike analysis for all stations is done by the use of phase tensor analysis. We used the nonlinear conjugate gradient algorithm to invert the TE- and TM-modes data simultaneously in 2D. The resistivity model was compared with the interpreted results of the post-stack depth migration model using seismic attributes. In order to extract the determinative geological information from the low-quality seismic section, envelope, variance, sweetness and instantaneous frequencies attributes were used. The integrated interpretation of the seismic and MT data resolves a precise geometry of the salt body, location of the dense part of the diapir as well as the tectonics around the diapir. The integrated interpretation of seismic and MT data of diapir no. 4 resulted in an exploration drilling program.

Słowa kluczowe

integrated interpretation magnetotelluric natural gas storage Qom basin Shurab diapirs and seismic

zintegrowana interpretacja magnetotelluryka magazynowanie gazu ziemnego dorzecze Qom

Wydawca

Instytut Geofizyki PAN
Springer

Czasopismo

Acta Geophysica

Rocznik

2019

Tom

Vol. 67, no. 4

Strony

1071--1090

Opis fizyczny

Bibliogr. 63 poz.

Twórcy

autor

Oskooi B.

boskooi@ut.ac.ir

Institute of Geophysics, University of Tehran, Tehran, Iran
Division of Geosciences and Environmental Engineering of the Department of Civil, Environment and Natural Resources Engineering, Luleå University of Technology, Luleå, Sweden

autor

Moradi M.

Institute of Geophysics, University of Tehran, Tehran, Iran

autor

Smirnov M.

Division of Geosciences and Environmental Engineering of the Department of Civil, Environment and Natural Resources Engineering, Luleå University of Technology, Luleå, Sweden

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).

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Bibliografia

Identyfikator YADDA

bwmeta1.element.baztech-95c05a1b-5c1a-416f-ad25-99a8115b6a67