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In August 2021, there was an alteration in the production-sharing contract for Field A, which is located at Rokan Block, Riau Province. The methods that were applied were waterflood and artificial lift by using an Electrical Submersible Pump (ESP). This block is an expiry block, whereas a new block is due to contract expiry from the previous contractor. The contract previously used was a Production Sharing Contract (PSC) Cost Recovery, which changed to PSC Gross Split. This contract comparison aims to synergistically evaluate the comparison of the two economic models and also to determine a more efficient and appropriate scheme to be applied to field A, as well as to analyze the parameters that can affect the economic indicators. The results of the economic analysis that has been carried out show that the PSC Gross Split scheme is better than the PSC Cost Recovery scheme. The NPV of the PSC Gross Split scheme for 30 wells was $37,903,000, and the PSC Cost Recovery scheme for 30 wells was $13,850,000. From 30 wells, the result decided on the A6 Well, which the NPV of A6 Well has the best NPV for both schemes based on the contractor's point of view, $494,000 for the PSC Cost Recovery, and $ 1,380,000 for the PSC Gross Split. The Pay Out Time (POT) is derived as well from A6 Well for both schemes, which is 1.39 years for PSC Cost Recovery and 1.2 years for PSC Gross Split. The Interest Rate of Return (IRR) of PSC Cost Recovery is 146% on the A19 Well, and for PSC Gross Split is 408% on the A4 Well. The sensitivity analysis that has been carried out shows that the parameters of the amount of oil production and the price of oil have a significant effect on both schemes.

Penelitian ini bertujuan untuk menganalisis cost recovery rate (CRR) dan pengendalian biaya di rumah sakit pemerintah pasca penerapan Indonesian Diagnostic Related Groups/ Cases Based Gropus (INA-DRGs/ CBGs). Penelitian dengan metode campuran ini (mixed method) dilakukan di sebuah rumah sakit rujukan provinsi tipe A yang berlokasi di salah satu provinsi di Sumatera. Data dikumpulkan dari dokumen dan database pasien serta klaim INA-DRGs/ CBG selama tahun 2018. Wawancara dengan menggunakan teknik semi structured dengan narasumber dokter dan manajemen rumah sakit. Untuk menganlisis data digunakan metode statistik deskriptif dan metode pengolahan data wawancara. Hasil penelitian menemukan bahwa akumulasi CRR hanya 60% yang artinya tarif INA-CBGs lebih kecil 40% dari total klaim rumah sakit. Penelitian ini juga menemukan perbedaan selisih klaim dan INA DRGs/CBGs antara usia pasien, jenis kelamin, hari rawatan dan tingkat keparahan. Pengendalian biaya pada rumah sakit yang diteliti masih menggunakan pendekatan agregrate/ total biaya dan belum menggunakan pendekatan kasus per kasus sehingga pengendalian biaya yang dilakukan belum optimal.

There are currently two fiscal regimes designated for resource allocation in Indonesia’s upstream oil and gas industry, the Production Sharing Contract Cost Recovery (PSC) and Gross Split. The Gross Split in the form of additional percentage split is designed to encourage contractors to implement Enhanced Oil Recovery (EOR) in mature fields. Low Salinity Water Injection (LSWI) is an emerging EOR technique in which the salinity of the injected water is controlled. It has been proven to be relatively cheaper and has simpler implementations than other EOR options in several countries. This study evaluates the LSWI project’s economy using PSC and Gross Split and then to be compared to conventional waterflooding (WF) project’s economy. There are four cases on Field X that are simulated using a commercial simulator for 5 years. The cases are evaluated under PSC and Gross Split to calculate the project’s economy. The economic indicators that will be evaluated are the Net Present Value (NPV) and sensitivity analysis is also conducted to observe the change of NPV. The parameters for sensitivity analysis are Capital Expenditure (CAPEX), Operating Expenditure (OPEX), Oil Production, and Oil Price. It is found that LSWI implementation using Gross Split is more profitable than PSC. The parameters that affects NPV the most in all PSC cases are the oil production and oil price. On the other hand, in Gross Split cases, the oil production is the parameter that affects NPV the most, followed by oil price. The novelty of this study is in the comparison of project’s economy between WF and LSWI using two different fiscal regimes to see whether Gross Split is more profitable than PSC on EOR implementation, specifically the LSWI at Field X.

Abstract The scheme of profit sharing contracts has been significantly changed due to the enactment of Ministerial Regulation of Energy and Mineral Resources No. 8/2017 concerning the Gross Split Revenue Sharing Contract on January 16, 2017.This research focused on: First, the relationship between the change of PSC Cost Recovery form to PSC Gross Split with the mechanism of Administration of Land and Building Tax and its addressat; and Second relationship between change of PSC Cost Recovery form PSC Gross Split with procedure of Land and Building Tax calculation at exploration and exploitation stage. Intisari Skema kontrak bagi hasil mengalami perubahan yang sangat signifikan akibat diundangkannya Peraturan Menteri ESDM No. 8/2017 Tentang Kontrak Bagi Hasil Gross Split pada tanggal 16 Januari 2017. Penelitian ini difokuskan pada: Pertama, hubungan antara perubahan bentuk PSC Cost Recovery menjadi PSC Gross Split dengan mekanisme penatausahaan Pajak Bumi dan Bangunan dan addressat-nya; dan Kedua hubungan antara perubahan bentuk PSC Cost Recovery menjadi PSC Gross Split dengan tata cara perhitungan PBB pada tahap eksplorasi dan eksploitasi.