Identification of Flow-units Using Methods of Statistical Zonation and Application of Stratigrafic Modified Lorenz Plot in Tabnak Feild

Document Type : Research Paper

Authors

1 Department of Petroleum Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran

2 Petroleum University of Technology, Ahwaz, Iran

3 Department of Computer Engineering, Central Florida University, Florida, U. S. A

Abstract

The goal of investigating reservoir characteristics is to determine petrophysical properties such as porosity and permeability. The porosity and permeability relationships in the framework of flow units can be used to characterize heterogeneous reservoir rocks. A flow unit is defined as a volume of reservoir rock which is laterally and vertically correlatable and predictable. Moreover, the geological and petrophysical properties which affect the fluid flow within a reservoir are constant. Determining and investigating flow units in a reservoir are necessary in order to characterize the reservoir precisely and simulate it with simulation software packages. In this study, flow units were calculated with two methods, namely the statistical reservoir zonation technique and stratigraphic modified Lorenz plot (SMLP), in Tabnak gas field. To determine these units, the combinations and comparison of petrophysical properties, such as porosity and permeability, of three wells were used. The comparison of results showed that flow units determined by these two approaches were nearly in agreement.
 

Keywords

References

1]. Abbaszadeh M., Fujii H. and Fujimoto F., Permeability prediction by hydraulic flow units theory and applications, SPE Format. Evaluate., 11: 263-271, 1996.
[2]. Shedid A. S. and Reyadh A. A., “A New Approach of Reservoir Description of Carbonate Reservoirs”, SPE 74344, 1- 10,2002.
[3]. Testerman J. D., “A Statistical Reservoir-Zonation Technique”, SPE. JPT, pp. 889-893, Aug. 1962.
[4]. Gunter G. W., Finneran J. M., Hartmann D. J. and Miller J. D., “Early Determination of Reservoir Flow Units Using an Integrated Petrophysical Method”, SPE. 38679, pp. 1-8, 1997.
[5]. Pars Petro Zagros Co., (PPZ) ,www.ppz.ir, 2003.
[6]. Godwin O., Egbele E., and Onyekonwu M., “A statistical approach to reservoir zonation”, paper SPE 88962 presented at the SPE Annual Technical Conference and Exhibition, Abuja, Aug. pp. 2-4, 2004.
[7]. Harter H. L., Critical Values for Duncans New Multiple Range Test, Biometrics 16, 671, 1960.
[8]. Gomes J. S., Ribeiro M. T., Strohmenger C. J., Negahban S., and Kalam M. Z., “Carbonate Reservoir Rock Typing – The Link between Geology and SCAL”, SPE 118284, 1-14,2008.
[9]. Chopra, A. K. et al., Development of Reservoir Description To Aid in Design of EOR Projects, SPE reservoir engineering, May 1998.
Journal of Petroleum Research
Volume 23, Issue 76 - Serial Number 76
January and February 2014
Pages 16-23

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