Hydrocarbon Prospect Identification Using Simultaneous Inversion Method at Teapot Dome Field, Wyoming
DOI:
https://doi.org/10.56099/jrgi.v5i02.4Keywords:
simultaneous inversion, lambda-rho, mu-rhoAbstract
First Wall Creek and Second Wall Creek is reservoir interval at Teapot Dome Field, Wyoming, USA To determine lithology and fluid type distribution in this formation, this study conducts seismic attributes mapping using inversion process. Simultaneous inversion is applied to angle gather data to obtain seismic attribute values for First Wall Creek (F1WC) and Second Wall Creek (F2WC) reservoirs. Cross-plot analysis shows that P-Impedance, Vp/Vs ratio, lambda-rho and mu-rho attributes can distinguish reservoir zone from non-reservoir zone. Simultaneous inversion results are P-Impedance, S-Impedance, and density volume, therefore LMR (Lambda-Mu-Rho) attributes calculation is needed. From cross-plot analysis and inversion results, lithology and fluid distribution are interpreted. For F1WC reservoir zone, lambda-rho <32.2 Gpa*g/cc indicate sandstone areas with Vp/Vs Ratio <1.77 indicate brine inclusions. For F2WC zone, lambda-rho <33 Gpa*g/cc indicate sandstone area and oil-inclusion area is indicated by P-Impedance <30000 ft/s*g/cc and Vp/Vs Ratio <1.8. From attributes maps, oil reservoir in F2WC zone is possible accumulated at northwest part of study area.
References
Aki, K. dan Richards, P.G. (1980). Quantitative Seismology, Theory and Methods. W.H. Freeman & Co.
Barnes, A.E. (2016). Handbook of Poststack Seismic Attributes. Society of Exploration Geophysicist.
Castagna, J.P., Batzle, M.L, dan Eastwood, R.L. (1985). Relationships Between Compressional -Wave and Shear-Wave Velocities in Clastic Silicate Rocks, Geophysics, 50. p.571-581.
Dennen, K., Burns, W., Burruss, R., dan Hatcher, K. (2005). Geochemical analyses of oils and gases, Naval Petroleum Reserve No. 3, Teapot Dome Field, Natrona County, Wyoming: USGS Open-File Report 2005-1275.
Dolton, G.L., dan Fox, J.E. (1995). Powder River Basin Province. US Geological Survey, Open-File Report p.88-450.
Goodway B, Taiwan, C., dan Jon, D, (1997). Improved AVO Fluid Detection and Lithology Discrimination using Lame Petrophysical Parameters: λρ, μρ, & λ/μ Fluid Stack, From P and S Inversion. SEG Technical Program Expanded Abstract. P 183-186.
Greenberg, M. L., dan Castagna, J. P. (1992). Shear‐Wave Velocity Estimation in Porous Rocks: Theoritical Formulation, Preliminary Verification and Aapplications. Geophysical Prospecting, 40(2), 195-209. doi:10.1111/j.1365-2478.1992.tb00371.x.
Hampson, D.P, Russell, B.H., dan Bankhead, B. (2005). Simultaneous Inversion of Pre-stack Seismic Data, SEG Technical Program Expanded Abstract, 24(1), p.13-17.
Jafri, M.K., Lashin, A., Ibrahim, E., Naeem, M., Khan, F., dan Ahmed, N. (2015). Reservoir Quality Evaluation using Petrophysics and Seismic Inversion: a case study of Teapot Dome Field, Powder River Basin, Wyoming, USA, Eleventh International Conference for Geosciences.
Kaliandra, B, Lestari W., Mariyanto, dan Syaifuddin, F. (2019). Aplikasi Inversi Post-Stack dan Geostatistik untuk Karakterisasi Reservoar Batupasir Formasi Lakota Lapangan Teapot, Wyoming, USA. Jurnal Geocelebes, 3(1), p.28-37.
Latimer, R., Davison, R., dan van Riel, P. (2000). An Interpreter’s Guide to Understanding and Working with Seismic-derived Acoustic Impedance Data. The Leading Edge, 19, 242-256.
Maurya, S.P., Singh, N.P., dan Singh, K. H. (2020). Seismic Inversion Methods: A Practical Approach, Springer Geophysics.
Momper, J.A., dan Williams, J.A. (1984). Geochemical Exploration in the Powder River basin, in Demaison, G., and Murris, R.J., ed., Petroleum Geochemistry and Basin Evaluation, The American Association of Petroleum Geologists Memoir, p. 181-191.
Ryka, Hamriani, Nainggolan, L.H., Waskita, K.L., Adha, Ikhwannur. (2021). Analisis Atribut Seismik Instantaneous Frequency untuk Sebaran Reservoir Batupasir Formasi Tensleep Lapangan Teapot Dome. Jurnal Geosains dan Teknologi, 4(3), p.151-158.
Simmons, J.L, dan Backus, M.M. (1996). Waveform-based AVO inversion and AVO prediction error, Geophysics, 61(6), p. 1575-1588.
Zain, N.M., Lestari, W., Syaifuddin, F. (2017). Karakterisasi Reservoar Menggunakan Aplikasi Seismik Atribut dan Inversi Seismik Impedansi Akustik, Studi Kasus Lapangan Teapot Dome, Wyoming. Jurnal Sains dan Seni Pomits, 6(2), p. 2337-3520.
Downloads
Published
How to Cite
Issue
Section
License
Copyright (c) 2023 Jurnal Rekayasa Geofisika Indonesia
This work is licensed under a Creative Commons Attribution 4.0 International License.
