PANGESTU, SHAHIH DUTA (2025) ANALISIS POTENSI CADANGAN DAN PRODUKSI UNTUK PEMILIHAN LAPISAN TARGET KUPL SERTA EVALUASI STRATEGI COMMINGLE COMPLETION PADA SUMUR S LAPANGAN DP. Skripsi thesis, UPN Veteran Yogyakarta.
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Abstract
ABSTRAK
ANALISIS POTENSI CADANGAN DAN PRODUKSI UNTUK
PEMILIHAN LAPISAN TARGET KUPL SERTA EVALUASI
STRATEGI COMMINGLE COMPLETION PADA SUMUR S
LAPANGAN DP
Oleh
Shahih Duta Pangestu
NIM: 113210074
(Program Studi Sarjana Teknik Perminyakan)
Lapangan DP yang terletak di Cekungan Tarakan merupakan lapangan tua dengan
karakteristik water drive dominan, di mana Sumur “S” mengalami penurunan
produksi akibat peningkatan water cut hingga 98% dan laju alir minyak mendekati
batas keekonomian. Untuk mengatasi hal tersebut, dilakukan kajian strategi kerja
ulang pindah lapisan (KUPL) dengan metode commingle completion pada Lapisan
A-1 dan A-2 yang teridentifikasi memiliki potensi petrofisika dan tekanan reservoir
yang layak. Metode penelitian meliputi evaluasi produksi Lapisan A-0, interpretasi
lumping log dan PTFA, estimasi OOIP dan reserves dengan pendekatan volumetrik,
serta simulasi performa produksi menggunakan IPR, VLP, dan DCA. Selanjutnya
dilakukan evaluasi keekonomian menggunakan parameter NPV, IRR, dan POT
dalam skema PSC cost recovery. Hasil studi menunjukkan OOIP sebesar 106,71
MSTB, reserves 42,82 MSTB, dan laju awal produksi 78,84194 BOPD dengan
remaining reserve 8,65 MSTB serta umur produksi 0,71 tahun. Evaluasi
keekonomian memberikan nilai NPV sebesar USD 190.445, IRR 191%, dan waktu
balik modal 0,36 tahun. Berdasarkan hasil teknis dan keekonomian tersebut, strategi
kerja ulang Sumur “S” dengan commingle completion dinilai layak untuk
diimplementasikan.
Kata kunci: Cadangan, Commingle Completion, Evaluasi Keekonomian, Kerja
Ulang Pindah Lapisan, Simulasi Produksi
vi
ABSTRACT
ANALYSIS OF RESERVE POTENTIAL AND PRODUCTION
FOR SELECTION OF KUPL TARGET LAYERS AND
EVALUATION OF COMMINGLE COMPLETION STRATEGY
AT WELL S DP FIELD
By
Shahih Duta Pangestu
NIM: 113210074
(Petroleum Engineering Undergraduated Program)
DP Field, located in the Tarakan Basin, is a mature oil field characterized by a
dominant water drive mechanism. Well “S” has experienced a production decline
due to increasing water cut reaching 98% and oil flow rate approaching the
economic limit. To address this issue, a workover strategy in the form of Layer
Recompletion (Kerja Ulang Pindah Lapisan or KUPL) using the commingle
completion method was proposed on Layers A-1 and A-2, which were identified as
having favorable petrophysical properties and reservoir pressure. The study
method includes performance evaluation of Layer A-0, interpretation of lumped log
and Pressure Test Fluid Analysis (PTFA), estimation of Original Oil in Place
(OOIP) and recoverable reserves using the volumetric approach, and production
performance simulation using Inflow Performance Relationship (IPR), Vertical Lift
Performance (VLP), and Decline Curve Analysis (DCA). The economic feasibility
was evaluated using Net Present Value (NPV), Internal Rate of Return (IRR), and
Pay Out Time (POT) under a PSC cost recovery scheme. The results showed OOIP
of 106.71 MSTB, recoverable reserves of 42.82 MSTB, and an initial oil production
rate of 78.84194 BOPD with a remaining reserve of 8.65 MSTB and a productive
life of 0.71 years. Economic indicators yielded an NPV of USD 190,445, IRR of
191%, and a payback period of 0.36 years. Based on technical and economic
evaluations, the proposed commingle completion strategy for Well “S” is
considered feasible for implementation.
Keywords: Commingle Completion, Economic Evaluation, Layer Recompletion,
Production Simulation, Reserves.
vii
| Item Type: | Tugas Akhir (Skripsi) |
|---|---|
| Uncontrolled Keywords: | Commingle Completion, Economic Evaluation, Layer Recompletion, Production Simulation, Reserves. |
| Subjek: | T Technology > T Technology (General) |
| Divisions: | Fakultas Teknologi Mineral dan Energi > (S1) Teknik Perminyakan |
| Depositing User: | Eko Yuli |
| Date Deposited: | 10 Oct 2025 01:54 |
| Last Modified: | 10 Oct 2025 01:54 |
| URI: | http://eprints.upnyk.ac.id/id/eprint/44210 |
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