PEMILIHAN LARUTAN POLIMER DENGAN OXYGEN SCAVENGER UNTUK PENINGKATAN PEROLEHAN MINYAK PADA RESERVOIR BATUPASIR BERSALINITAS MODERAT

JATI, DHIKA PERMANA (2025) PEMILIHAN LARUTAN POLIMER DENGAN OXYGEN SCAVENGER UNTUK PENINGKATAN PEROLEHAN MINYAK PADA RESERVOIR BATUPASIR BERSALINITAS MODERAT. Skripsi thesis, UPN Veteran Yogyakarta.

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Abstract

ABSTRAK
PEMILIHAN LARUTAN POLIMER DENGAN OXYGEN
SCAVENGER UNTUK PENINGKATAN PEROLEHAN MINYAK
PADA RESERVOIR BATUPASIR BERSALINITAS MODERAT
Oleh
Dhika Permana jati
NIM: 113210063
(Program Studi Sarjana Teknik Perminyakan)
Degradasi polimer akibat oksigen terlarut menjadi tantangan utama dalam
implementasi Enhanced Oil Recovery (EOR) pada reservoir batupasir, terutama pada
kondisi salinitas moderat (18.000 ppm) dan temperatur (60°C) yang mempercepat
penurunan viskositas. Meskipun polimer HPAM telah terbukti efektif, stabilitas jangka
panjangnya memerlukan solusi inovatif untuk mempertahankan integritas molekuler
selama proses injeksi.
Penelitian ini menggunakan pendekatan eksperimental laboratorium untuk
mengevaluasi performa dua varian polimer HPAM (FP 3630 dan FP 3230), baik dalam
formulasi konvensional maupun dengan penambahan oxygen scavenger (NaHSO₃),
menggunakan core sintetik Bentheimer. Evaluasi komprehensif meliputi karakterisasi
fluid-to-fluid (kompatibilitas, reologi, filtrasi, stabilitas termal) dan fluid-to-rock
(injectivity, core flooding) pada kondisi reservoir.
Hasil penelitian menunjuk pada satu formulasi terpilih: polimer FP 3630 pada
konsentrasi 1400 ppm yang distabilkan dengan 0,1% Sodium Bisulfite (NaHSO₃).
Peran krusial oxygen scavenger terbukti menjadi faktor penentu keberhasilan;
penambahan NaHSO₃ secara signifikan meningkatkan stabilitas termal dengan
menekan degradasi viskositas dari 32,83% menjadi hanya 4,24%. Formulasi yang
stabil ini menghasilkan Resistance Factor ideal (11,44) dan formation damage minimal
(RRF 1,01), yang pada akhirnya berhasil meningkatkan Recovery Factor dari 67,38%
menjadi 87,29%. Penelitian ini menegaskan bahwa perlindungan polimer
menggunakan oxygen scavenger adalah kunci keberhasilan aplikasi EOR pada
reservoir dengan kondisi moderat.
Kata kunci: Enhanced Oil Recovery, Oxygen Scavenger, Polimer HPAM, Recovery
Factor, Sodium Bisulfite
ABSTRACT
SELECTION OF POLYMER SOLUTIONS WITH AN OXYGEN
SCAVENGER FOR ENHANCED OIL RECOVERY IN MODERATE
SALINITY SANDSTONE RESERVOIRS
By
Dhika Permana Jati
NIM: 113210063
(Petroleum Engineering Undergraduated Program)
Polymer degradation due to dissolved oxygen presents a critical challenge in
Enhanced Oil Recovery (EOR) implementation in sandstone reservoirs, particularly
under moderate salinity (18,000 ppm) and elevated temperature (60°C) conditions that
accelerate viscosity reduction. While HPAM polymers have demonstrated
effectiveness, their long-term stability requires innovative solutions to maintain
molecular integrity during injection.
This study employed a comprehensive laboratory approach to evaluate two HPAM
polymer variants (FP 3630 and FP 3230) in both conventional and oxygen scavenger
modified formulations, using synthetic Bentheimer cores. The experimental scope
encompassed fluid-to-fluid characterization (compatibility, rheology, filtration,
thermal stability) and fluid-to-rock evaluation (injectivity, core flooding) under
simulated reservoir conditions.
Results pinpoint the selected formulation: FP 3630 polymer at a 1400 ppm
concentration, stabilized with 0.1% Sodium Bisulfite (NaHSO₃). The crucial role of the
oxygen scavenger was validated as the determining factor for success; its
incorporation significantly enhanced thermal stability by reducing viscosity
degradation from 32.83% to just 4.24%. This stable formulation yielded an ideal
Resistance Factor (11.44) and minimal formation damage (RRF 1.01), ultimately
increasing the Recovery Factor from 67.38% to 87.29%. This research confirms that
protecting the polymer with an oxygen scavenger is key to a successful EOR
application in moderate reservoir conditions.
Keywords: Enhanced Oil Recovery, Oxygen Scavenger, Polimer HPAM, Recovery
Factor, Sodium Bisulfite

Item Type: Tugas Akhir (Skripsi)
Uncontrolled Keywords: Enhanced Oil Recovery, Oxygen Scavenger, Polimer HPAM, Recovery Factor, Sodium Bisulfite
Subjek: T Technology > T Technology (General)
Divisions: Fakultas Teknologi Mineral dan Energi > (S1) Teknik Perminyakan
Depositing User: Eko Yuli
Date Deposited: 28 Aug 2025 09:33
Last Modified: 28 Aug 2025 09:33
URI: http://eprints.upnyk.ac.id/id/eprint/43586

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