Carbonate reservoir characterization using simultaneous inversion in field "x"

M. F. Reza, M. S. Rosid, M. W. Haidar

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

1 Citation (Scopus)

Abstract

Carbonate reservoir has been characterized in the field "X" using Simultaneous Inversion to determine lithology and fluid content. The reservoir located in northern East Java Basin in the form of big reef carbonate on Tuban Formation. Carbonate Reservoir has unique characteristics than the others because its diagenesis process which may affect highly heterogeneities. Simultaneous Inversion is implemented in this study as it can generate acoustic impedance, shear impedance and rock density simultaneously. It give the availability of the fluid parameters for the reservoirs, thus, simultaneous inversion gives benefittoward theacoustic inversion which only generates acoustic impedance. We then extract Lame parameters from the 3 outputs that are Lambda Rho which is sensitive to fluid content and Mu Rho which is sensitive to lithology. Vp/Vs ratio can also be generated to sharply identify fluid content. Simultaneous inversion in field "X" is controlled by 2 wells, M01 and M02. In this study we use angle gather as seismic input. Based on analysis of Lambda Mu Rho and Vp/Vs ratio, the reservoir has potential hydrocarbon. The existence hydrocarbon is indicated from cross plot Vp/Vs vs Lambda Rho, where the value of Vp/Vs is about 1.7-1.8 and Lambda Rho is about 40-60 Gpa∗g/cc as well as the Mu rho value is about 40-80 Gpa∗ g/cc from the Mu Rho vs Density's cross plot and the depth is about 8400-8750 ft based on depth-plot from measured depth (calculated from KB). The slicing map shows that the lithology and hydrocarbon fluid tend to spread to North West of field "X".

Original languageEnglish
Title of host publicationProceedings of the 4th International Symposium on Current Progress in Mathematics and Sciences, ISCPMS 2018
EditorsTerry Mart, Djoko Triyono, Ivandini T. Anggraningrum
PublisherAmerican Institute of Physics Inc.
ISBN (Electronic)9780735419155
DOIs
Publication statusPublished - 4 Nov 2019
Event4th International Symposium on Current Progress in Mathematics and Sciences 2018, ISCPMS 2018 - Depok, Indonesia
Duration: 30 Oct 201831 Oct 2018

Publication series

NameAIP Conference Proceedings
Volume2168
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference4th International Symposium on Current Progress in Mathematics and Sciences 2018, ISCPMS 2018
CountryIndonesia
CityDepok
Period30/10/1831/10/18

Keywords

  • lambda mu rho
  • reservoir characterization
  • Simultaneous inversion
  • Vp/Vs ratio

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  • Cite this

    Reza, M. F., Rosid, M. S., & Haidar, M. W. (2019). Carbonate reservoir characterization using simultaneous inversion in field "x". In T. Mart, D. Triyono, & I. T. Anggraningrum (Eds.), Proceedings of the 4th International Symposium on Current Progress in Mathematics and Sciences, ISCPMS 2018 [020023] (AIP Conference Proceedings; Vol. 2168). American Institute of Physics Inc.. https://doi.org/10.1063/1.5132450