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All Journal JFA (Jurnal Fisika dan Aplikasinya) Jurnal Teknik Mesin dan Mekatronika (Journal of Mechanical Engineering and Mechatronics) Jurnal Migasian Akamigas Balongan Indramayu Jurnal Penelitian dan Karya Ilmiah Lembaga Penelitian Universitas Trisakti Jurnal AKAL: Abdimas dan Kearifan Lokal Petro : Jurnal Ilmiah Teknik Perminyakan Journal of Earth Energy Science, Engineering, and Technology Jurnal Eksakta Kebumian Jurnal Migasian
Mardiana, Dwi Atty
Universitas Trisakti
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Aplikasi Penggunaan Well Head Compressor Pada Sumur X Untuk Mengatasi Problem Liquid Loading Nurkhozin Adhi Nugroho; Muh Taufiq Fathaddin; Dwi Atty Mardiana
Jurnal Migasian Vol 2 No 2 (2018): Jurnal Migasian
Publisher : LPPM Institut Teknologi Petroleum Balongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36601/jurnal-migasian.v2i2.42

Abstract

Sumur “X” mengalami problem liquid loading dikarenakan laju alir gas kurang dari critical velocity oleh karena itu dilakukan metode delikuifikasi dengan menggunakan well head compressor. Tujuan dari penelitian ini adalah mengidentifikasi terjadi liquid loading pada sumur gas, menghitung critical velocity loading, melakukan analisis nodal pada sumur “X” dan membuat kurva IPR, menganalisa sensitivitas nilai Pwh dan water gas ratio terhadap laju produksi pada aplikasi well head compressor, melakukan analisa teknis dan ekonomi penggunaan well head compressor. Metodologi yang digunakan dalam penelitian ini adalah identifikasi liquid loading dengan laju alir kritis (critical velocity) menggunakan metode Coleman, membuat model sumur dengan bantuan perangkat lunak PROSPER, aplikasi metode well head compressor dengan sensitivitas beberapa Pwh dengan bantuan perangkat lunak PROSPER, evaluasi laju produksi beberapa Pwh asumsi terhadap laju alir kritis, menganalisa sensitivitas nilai Pwh dan water gas ratio (WGR) terhadap laju produksi pada aplikasi well head compressor dan melakukan analisa teknis dan ekonomi penggunaan well head compressor pada sumur X. Dari hasil perhitungan Pwh kondisi existing di dapatkan nilai laju alir loading berdasarkan metode Coleman sebesar 0,276 MMSCFD dan nilai critical velocity loading sebesar 34,061 ft/sec. Dengan bantuan software PROSPER 11.5 terbentuk kurva IPR yang menghasilkan nilai absolute open flow (AOF) sebesar 1,178 MMSCFD. Pada simulasi tekanan Pwh sebsar 10 Psig menghasilkan nilai laju alir gas sebesar 0,213 MMSCFD dan laju alir kritis loading sebesar 0,205 MMSCFD. Nilai NPV pada opsi beli sebesar 0,18 dan pada opsi sewa sebesar 0,24, nilai IRR pada opsi beli sebesar 8,07 % dan pada opsi sewa nilai IRR lebih dari 100%, nilai POT pada opsi beli sebesar 10 bulan dan pada opsi sewa sebesar 1 bulan. Opsi sewa lebih di pilih karena lebih baik nilai parameter NPV, IRR dan POT. Dari hasil simulasi dengan software PROSPER penggunaan well head compressor dapat di gunakan untuk mengatasi problem liquid loading pada sumur X yaitu pada P suction 10 Psig atau lebih kecil tidak akan terjadi liquid loading. Dari sensitivitas nilai Pwh dan WGR terhadap laju produksi gas dapat terlihat dari laju produksi yang dihasilkan, semakin kecil nilai Pwh dan WGR maka laju produksi akan semakin besar.
RIGLESS WELL INTERVENTION AND SAND CONSOLIDATION CHEMICAL APPLICATION TO SOLVE SAND PROBLEM OF ABC-2 WELL IN X FIELD Yeriandi Utama; Dwi Atty Mardiana; Asri Nugrahanti
JURNAL PENELITIAN DAN KARYA ILMIAH LEMBAGA PENELITIAN UNIVERSITAS TRISAKTI Vol. 8 No. 2 (2023)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/pdk.v8i2.17316

Abstract

The decline in well production due to sand problems is the biggest challenge in a field that has been producing for a long time, especially in mature fields. In addition, and problems are also able to damage both the downhole and surface equipment of a well. Creating the right job design for sand cleanout and sand control is absolutely necessary to solve this problem. Rig less well intervention with coiled tubing is used to optimize this process. The sand cleanout job design is created using Insite for Well Intervention (IWI) software to create the right job design. In addition, a sand control method with sand consolidation chemicals will be applied to prevent the recurrence of sand problems after the well has been cleaned. The findings of the study indicate that the proper job design is able to clean the sand to target depth and restore the production of the ABC-2 wells to its pre-sand problem level. All factors, including sieve analysis, well data, coiled tubing data, and sand consolidation chemical, are taken into consideration during job design. Therefore, the sand issue in another mature well at the X field can be solved using this approach
A A Comparison of Economics and Attractiveness of Fiscal System in Several Southeast Asian Countries : A Case Study of Three Oil And Gas Field in Indonesia Gabriela Martines Martines; Dwi Atty Mardiana; Pri Agung Rakhmanto
Journal of Earth Energy Science, Engineering, and Technology Vol. 6 No. 2 (2023): JEESET VOL. 6 NO. 2 2023
Publisher : Penerbitan Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/jeeset.v6i2.17397

Abstract

The implementation of fiscal terms in the upstream oil and gas industry in a country is carried out with the hope of accelerating the decision-making process and making the attractiveness of upstream oil and gas investment more attractive to investors. This study evaluates fiscal terms in a country in a region used in Indonesia, Malaysia, Thailand, and Vietnam to determine the attractiveness of the fiscal terms. Using several indicators of government take (GT), front loading index (FLI), and composite score (CS), the fiscal attractiveness ranking of five fiscal schemes will be analyzed so that investors can consider which fiscal scheme is most attractive for their investment. The results of the economic analysis based on the economic indicators of IRR, NPV, POT, and PI show that the newly developed onshore, existing onshore, and offshore gas fields are included in the investment feasibility criteria with attractive economic values when applied with all fiscal schemes. While the ranking results with GT, FLI, and CS indicators show that Indonesia's gross split PSC has an attractive attractiveness when applied to newly developed onshore fields, R/C PSC on existing onshore fields, and Thailand’s concessions on offshore gas fields.
Viscosity Modeling and Prediction of Amorphophallus oncophyllus and Sapindus rarak Using Machine Learning Methods Fathaddin, Muhammad Taufiq; Mardiana, Dwi Atty; Sutiadi, Andrian; Maulida, Fajri
Jurnal Fisika dan Aplikasinya Vol 21, No 1 (2025)
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat, LPPM-ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j24604682.v21i1.21953

Abstract

Viscosity plays an important role in regulating the mobility of fluids injected into the reservoir to increase the efficiency of oil sweeping. This study discusses the application of Machine Learning methods, namely ANN and ANFIS, to model the correlation of physical properties of Amorphophallus oncophyllus and Sapindus rarak solutions. The purpose of this study is to obtain a correlation to determine the viscosity of the polymer solutions. The data used include viscosity measurements for 21 samples of Amorphophallus oncophyllus and Sapindus rarak solutions with variations in concentration and salinity. The data is augmented by digitization for modeling. The results show that both Machine Learning methods can estimate viscosity values well. Very accurate results are achieved by applying ANN and ANFIS with average correlation coefficients of 0.997240 and 0.995124, respectively.
Co-Authors Adam Fatchur Rohman Adi Novriansyah Andri Kosasih Andri Kosasih Asri Nugrahanti Avty Vilanti Chrismon, Chrismon Fathaddin, Muhammad Taufiq Gabriela Martines Martines Gabriela Martines Sariallo Kartoatmodjo, R.S. Trijana Maulida, Fajri Muh Taufiq Fathaddin Muh Taufiq Fathaddin, Muh Taufiq Muhammad Abizar Algiffary Thahir Muslim Abdurrahman Nanda Josenia Sainuka Nugroho, Nurkhozin Adhi Nurkhozin Adhi Nugroho Pauhesti Pauhesti Pri Agung Rakhmanto Pri Agung Rakhmanto Shabrina Sri Riswati Shabrina Sri Riswati Sugianto Kasmungin Sugiatmo Kasmungin Sutiadi, Andrian Syamsul Irham Wisup Bae Yeriandi Utama