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Influence of porosity and facies of Baturaja carbonate to the seismic wave velocity: case study of Tambun field West Java

Samsuri, Ariffin and Setyowiyoto, Jarot and B. Nurhandoko, Bagus Endar and Widjanarko, Bambang and Thurisina, Thurisina (2007) Influence of porosity and facies of Baturaja carbonate to the seismic wave velocity: case study of Tambun field West Java. In: Indonesian Petroleum Association 2007, May 2007, Indonesia.

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The early Miocene Baturaja Formation is one of the most prolific reservoirs in Tambun Field, West Java. The hydrocarbon mostly comes from the Upper Baturaja Formation reservoirs. These carbonate rocks show some complex porosity, lithology and facies. This study includes detail relationship among reservoir petrophysics, elastic wave parameters, effect of water saturation, pore type and facies of Baturaja carbonate rock to the seismic wave parameter, such as compressional and shear wave velocity. Many data were collected and studies carried out to obtain detailed relationships between seismic attributes and petrophysical parameters of the Baturaja carbonate, such as: petrographic analysis, SEM image, detail core description, well logging data analysis and laboratory experimental of seismic wave velocities measurements in variation of overburden pressure, pore pressure and temperature. Some seismic wave parameters were simulated as close as possible to the reservoirs condition. The result shows that the seismic wave velocity in the Baturaja carbonate has wide value range, i.e: compressional wave velocity (Vp) ranges from 1900 to 4650 m/s and shear-wave velocity (Vs) from 1000 to 2600 m/s. Based on petrophysical data and seismic wave measurement, the total porosity is not the only main factor controlling elastic wave parameters, as a matter of fact, the pore type plays also important role. A plot of porosity versus velocity displays a clear inverse trend. It is shown also that there is strong relationship between seismic wave velocity and lithology facies, therefore this result proves that seismic waves can be applied to facies determination in carbonates of Baturaja formation.

Item Type:Conference or Workshop Item (Paper)
Uncontrolled Keywords:Miocene Baturaja Formation, reservoir petrophysics, elastic wave parameters, petrographic analysis
Subjects:T Technology > TP Chemical technology
Divisions:Chemical and Natural Resources Engineering (Formerly known)
ID Code:3526
Deposited By: Prof Dr Ariffin Samsuri
Deposited On:20 Jun 2017 04:26
Last Modified:20 Jun 2017 06:29

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