Formation Pore Pressure Prediction Using Velocity Inversion in Southwest Iran

Surface seismic data include necessary information for predicting the formation of pore pressure in hydrocarbon reservoirs. In this article, formation pore pressure was predicted based on the velocity inversion method for a gas reservoir located in the southwest of Iran. Firstly, for this purpose, s...

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Bibliographic Details
Published in:	Petroleum science and technology 2012-01, Vol.30 (1), p.28-34
Main Authors:	Etminan, M., Jamali, J., Riahi, M. Ali
Format:	Article
Language:	eng
Subjects:	Applied sciences Crude oil Crude oil, natural gas and petroleum products effective stress Energy Exact sciences and technology formation pore pressure Fuels Inversions Mathematical analysis Natural gas overburden pressure Petroleum products, gas and fuels. Motor fuels, lubricants and asphalts Porosity Processing of crude oil and oils from shales and tar sands. Processes. Equipment. Refinery and treatment units Reservoirs Southwest Stresses velocity inversion
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Summary:	Surface seismic data include necessary information for predicting the formation of pore pressure in hydrocarbon reservoirs. In this article, formation pore pressure was predicted based on the velocity inversion method for a gas reservoir located in the southwest of Iran. Firstly, for this purpose, seismic data were inverted to obtain velocity values. Secondly, these values were converted to effective stress by using Bowers' equation (1994). In addition, the overburden stress was estimated from the Amoco equation ( Huffman et al., 2011 ). To obtain formation pore pressure, the effective stress was subtracted from the estimated overburden stress. The results showed a normal distribution of formation pore pressure versus depth.
ISSN:	1091-6466 1532-2459