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AAPG GEO 2010 Middle East
Geoscience Conference & Exhibition
Innovative Geoscience Solutions – Meeting Hydrocarbon Demand in Changing Times
March 7-10, 2010 – Manama, Bahrain

Listening to the Right Thing: The Integration of Low Frequency Seismic Data with Other Geophysical Methods as a Frontier Exploration Tool in the South Rub ‘Al Khali Basin

Colin Nunweek1; Michael Hulver1; Pieter van Mastrigt1

(1) South Rub Al Khali Company Ltd, Al-Khobar, Saudi Arabia.

The South Rub ‘al Khali Company Ltd is an Incorporated Joint Venture between Shell Saudi Ventures Limited (50%) and Saudi Arabian Oil Company (50%) and was set up in order to explore for non-associated gas in the South Rub ‘al Khali Basin as part of the Natural Gas Initiative in the Kingdom of Saudi Arabia.

Following an initial three well exploration drilling campaign in SRAK’s Contract Area 2 (CA2), SRAK embarked on a second major phase of 2D seismic acquisition. Low frequency seismic data has been acquired on all new 2D seismic lines via an embedded recording set-up. This has resulted in the largest combined PSTM / LF exploration data sets acquired to date.

One of the key challenges facing low frequency seismic as an effective exploration tool is the lack of signal depth discrimination. This presentation will focus on the combination of low frequency seismic with conventional seismic products in order to constrain the depth of the low frequency signal and how combining these workflows with geologic models has led to the identification of a potentially new hydrocarbon play in the southern Rub ‘al Khali Basin.