AZIZAH, SALMA (2023) OPTIMASI INJEKSI POLIMER PADA SKENARIO TAHAP LANJUT RESERVOIR REKAH ALAMI BATUAN KARBONAT LAPANGAN “SA”. Other thesis, UPN "Veteran" Yogyakarta.
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Abstract
Field "SA" is a naturally fractured carbonate oil reservoir with a solution gas drive
mechanism. It has an Original Oil in Place (OOIP) of 101.72 MMstb, with a
cumulative oil production from 2005 to 2016 of 6.4 MMstb, a recovery factor of
6.29%, and a cumulative gas production of 22 Bscf. The field has 13 wells,
including 4 exploration wells and 9 production wells. The lithology of Field "SA"
exhibits characteristics of dual porosity and dual permeability in the carbonate
rock. The study of “SA” Field using the injection of waterflooding and polymer.
The study of Field "SA" began with data processing and variations in polymer
concentration, along with converting three production wells into injection wells.
The stages of the field simulation included data preparation, polymer screening
criteria, inputting polymer concentration data into the reservoir, and creating field
development scenarios with polymer injections. From the variations in polymer
injection concentrations at Field "SA," an evaluation was performed to determine
the optimal polymer injection results.
Reservoir simulation in this study utilized the tNavigator simulator with 5
scenarios. Scenario I, the basecase, resulted in a cumulative oil of 7.913 MMSTB
with a recovery factor of 6.86% and cumulative gas of 5.64 BSCF. Scenarios II to
V represented waterflooding scenarios, producing a cumulative oil of 7.820
MMSTB with a decline in recovery factor of 1.18%. Among these scenarios, the
basecase is the most recommended for Field "SA" due to the higher reservoir oil
heterogeneity, which results in a decreased recovery factor when polymer is injected.
Keywords: Polymer Injection, Carbonate Rocks, Reservoir Simulation
| Item Type: | Thesis (Other) |
|---|---|
| Uncontrolled Keywords: | Polymer Injection, Carbonate Rocks, Reservoir Simulation |
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) |
| Divisions: | Faculty of Engineering, Science and Mathematics > School of Engineering Sciences |
| Depositing User: | A.Md Apriliani Kusuma Wardhani |
| Date Deposited: | 21 Aug 2023 01:25 |
| Last Modified: | 21 Aug 2023 01:25 |
| URI: | http://eprints.upnyk.ac.id/id/eprint/36988 |
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