Obtaining permeability from seismic data - A new breakthrough in carbonate reservoir modelling

G. L Bracco Gartner, P. D. Wagner, G. T. Baechle, Y. F. Sun, R. Weger, Gregor P Eberli, W. Asyee, H. Hillgartner, K. Van Der Kolk, J. Leguijt, M. R. Nasser, J. L. Massaferro

Research output: Chapter in Book/Report/Conference proceedingConference contribution

9 Citations (Scopus)

Abstract

Shell's Carbonate Team has been developing a method in which post-stack seismic can be used to estimate average interval matrix permeability in carbonates. The foundation of the technique is a new model, which describes quantitative relationships between sonic velocity, porosity and permeability. This model relates a pore shape factor from the poro-elasticity theory with permeability from lab measurements. This pore shape factor describes the 3D pore structure and can be extracted from inverted post-stack seismic data. Additionally, this factor relates to pore connectivity and, therefore, to permeability. After the concept was tested and successfully proven on plug scale, the first implementation focused on a large carbonate field in the Middle East. This accumulation had all the ingredients to perform a full field test of the concept - good thickness for multiple seismic reflections, matrix-dominated permeability, single mineralogy (calcite), superb seismic data and enough wells with good compressional and shear sonic logs. Introducing pore structures in the characterisation of carbonate reservoirs from acoustic data helps resolve the ambiguity in porosity/permeability prediction. In the test case, we have demonstrated that: 1) the new rock property prediction is much more accurate than properties predicted by commercial inversion packages, 2) pore structure can be extracted from 3-D post-stack seismic, 3) a permeability indicator can be estimated from inverted seismic and 4) a permeability indicator volume proved to produce a superior history match against a permeability model constructed from extensive well data.

Original languageEnglish (US)
Title of host publication2005 International Petroleum Technology Conference Proceedings
Pages937
Number of pages1
StatePublished - 2005
Event2005 International Petroleum Technology Conference - Doha, Qatar
Duration: Nov 21 2005Nov 23 2005

Other

Other2005 International Petroleum Technology Conference
CountryQatar
CityDoha
Period11/21/0511/23/05

Fingerprint

Carbonates
Pore structure
Porosity
Mineralogy
Calcite
Elasticity
Acoustics
Rocks

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Gartner, G. L. B., Wagner, P. D., Baechle, G. T., Sun, Y. F., Weger, R., Eberli, G. P., ... Massaferro, J. L. (2005). Obtaining permeability from seismic data - A new breakthrough in carbonate reservoir modelling. In 2005 International Petroleum Technology Conference Proceedings (pp. 937)

Obtaining permeability from seismic data - A new breakthrough in carbonate reservoir modelling. / Gartner, G. L Bracco; Wagner, P. D.; Baechle, G. T.; Sun, Y. F.; Weger, R.; Eberli, Gregor P; Asyee, W.; Hillgartner, H.; Van Der Kolk, K.; Leguijt, J.; Nasser, M. R.; Massaferro, J. L.

2005 International Petroleum Technology Conference Proceedings. 2005. p. 937.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Gartner, GLB, Wagner, PD, Baechle, GT, Sun, YF, Weger, R, Eberli, GP, Asyee, W, Hillgartner, H, Van Der Kolk, K, Leguijt, J, Nasser, MR & Massaferro, JL 2005, Obtaining permeability from seismic data - A new breakthrough in carbonate reservoir modelling. in 2005 International Petroleum Technology Conference Proceedings. pp. 937, 2005 International Petroleum Technology Conference, Doha, Qatar, 11/21/05.
Gartner GLB, Wagner PD, Baechle GT, Sun YF, Weger R, Eberli GP et al. Obtaining permeability from seismic data - A new breakthrough in carbonate reservoir modelling. In 2005 International Petroleum Technology Conference Proceedings. 2005. p. 937
Gartner, G. L Bracco ; Wagner, P. D. ; Baechle, G. T. ; Sun, Y. F. ; Weger, R. ; Eberli, Gregor P ; Asyee, W. ; Hillgartner, H. ; Van Der Kolk, K. ; Leguijt, J. ; Nasser, M. R. ; Massaferro, J. L. / Obtaining permeability from seismic data - A new breakthrough in carbonate reservoir modelling. 2005 International Petroleum Technology Conference Proceedings. 2005. pp. 937
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