Pore Type and Porosity Distribution of Carbonate Reservoir Based on 3D Seismic Inversion in "p" Field Salawati Basin

Avishena Prananda, Mohammad Syamsu Rosid, Robet Wahyu Widodo

Research output: Contribution to journalConference article

Abstract

Overall, carbonate rock has complex and more heterogeneous physical characteristic, compared to siliciclastic sedimentary rock. One parameter, which distinguishes carbonate rock and siliciclastic is pore structure/pore type. The heterogeneity and complexity of carbonate reservoir pore type are affected by the sedimentation process and the diagenesis process. Pore type classification is divided into three: interparticle, stiff, and crack. Therefore, carbonate pore type determination becomes important to enhance drilling success. This paper explains pore types prediction, porosity, and acoustic impedance on carbonate reservoir. The Differential Effective Medium (DEM) method to analyze carbonate reservoir pore type has been applied. DEM method generates bulk and shear modulus parameters to create carbonate Vp and Vs model based on pore type. We also do a 3D seismic inversion to create acoustic impedance distribution, porosity, and pore type. Afterward, we made cube porosity and pore type cube by using geostatistics method to provide a better result. Moreover, this study shows low impedance value correlates with high porosity value and enhancement of porosity value correlates with crack and interparticle pore type on "P" field, Salawati Basin.

Original languageEnglish
Article number15002
JournalE3S Web of Conferences
Volume125
DOIs
Publication statusPublished - 28 Oct 2019
Event4th International Conference on Energy, Environment, Epidemiology and Information System, ICENIS 2019 - Semarang, Indonesia
Duration: 7 Aug 20198 Aug 2019

Keywords

  • Carbonate
  • Differential Effective Medium
  • Pore Type
  • Salawati Basin

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