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Analisis Cadangan Hidrokarbon pada Lapangan "AT" dengan Metode Monte Carlo Handayani, Handayani; Karim, Abdul Gafar; Sulardi, Sulardi; Malrin, Engeline; Manik, Nijusiho; Mamuaya, Arjuna Brifling; Darmiyati, Iin
Indonesian Research Journal on Education Vol. 1 No. 3 (2021): irje 2021
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/irje.v1i3.2592

Abstract

Mengestimasikan cadangan minyak dan gas termasuk dalam kegiatan yang utama dalam merencanakan pengembangan lapangan migas. Data yang tersedia atau parameter adalah hal penting untuk memperkirakan besarnya cadangan. Pada kegiatan eksplorasi, informasi data yang ada bisa dibilang sangat sedikit atau terbatas menyebabkan keakuratan dari data yang didapatkan umumnya tidak pasti. Pendekatan secara probabilistik dapat membantu mengurangi faktor ketidakpastian. Simulasi Monte Carlo menggunakan metode dimana perhitungannya dilakukan berdasarkan ketersediaan data lapangan yang masih belum lengkap pada variabel input dan dinyatakan dengan distribusi probabilitas, agar mendapatkan hasil yang tepat dalam bentuk distribusi probabilitas. Perhitungan cadangan hidrokarbon pada lapangan “AT” menggunakan dua distribusi probabilitas yaitu distribusi konstan dan distribusi segitiga. Dengan menggunakan metode Monte Carlo, perkiraan .cadangan minyak di lapangan “AT” menghasilkan rata-rata sebesar 55,95 MMSTB dan gas 27976 MMSCF. Besarnya Most Probable pada minyak didapatkan dengan nilai 42,75 MMSTB dan Gas 21394 MMSCF, Cadangan minimum minyak yaitu 7,131 MMSTB dan gas 3565,67 MMSCF, nilai cadangan maximum minyak yaitu 135,50 MMSTB dan gas 67747,81 MMSCF.
Analisis Adapter Flange 13-5/8" [5.000 psi] BX 160 × 13-5/8" [10.000 psi] BX 159 pada Blow Out Preventer Santung, Andrey Anastasie; Firdaus, Firdaus; Widodo, Deny Fatryanto Edyzoh Eko; Kurmasela, Apriliano Alfa; Manik, Nijusiho; Rahman, Muhammad Rizqie Fathan; Darmiyati, Iin
Indonesian Research Journal on Education Vol. 1 No. 3 (2021): irje 2021
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/irje.v1i3.2594

Abstract

Proses pemboran minyak menghadapi risiko kick—masuknya fluida formasi ke kolom bor—yang berpotensi memicu blowout. Sistem Blowout Preventer (BOP) mengandalkan adaptor flange 13- 5/8” berkapasitas 5.000 psi dan 10.000 psi sebagai antarmuka penahan tekanan. Penelitian ini menganalisis desain flange melalui evaluasi ketebalan minimum, area kritis, dan validasi material. Metode analitis berbasis standar American Petroleum Institute (API) menghitung tekanan desain (67.500 psi) dan kekuatan material (84.324 psi), menghasilkan margin keamanan 25%. Simulasi ketebalan minimum flange 13-5/8” menunjukkan ketebalan desain teoritis 0.529” (dipengaruhi tekanan internal dan tegangan izin material), sedangkan ketebalan aktual 0.419” tetap memenuhi safety factor. Analisis area kritis pada flange 5.000 psi mengidentifikasi konsentrasi tegangan di dua lokasi: 2.58” (daerah transisi geometri) dan 1.20” (sekitar bolt hole), yang direkomendasikan untuk dioptimalkan melalui fillet radius. Studi membuktikan desain flange memenuhi integritas struktural untuk kedua level tekanan, dengan ketebalan aktual lebih rendah akibat pendekatan konservatif persamaan Barlow. Hasil ini memvalidasi efisiensi material dan geometri komponen tekanan tinggi, mengurangi risiko kegagalan katastropik selama operasi pemboran. Implikasi praktisnya mencakup penguatan desain berbasis simulasi tegangan dan optimasi lokal pada area rentan, menjamin keandalan sistem BOP dalam skenario tekanan ekstrem.
Source Rock Evaluation in the "Idea" Field, Bintuni Basin, West Papua: A Geochemical Approach Ananda, Dea; Jamaluddin, Jamaluddin; Utomo, Warto; Wiyono, Joko; Ulfah, Baiq Maulinda; Amiruddin, Amiruddin; Manik, Nijusiho; Suprayitno, Abdi
JURNAL GEOCELEBES Vol. 9 No. 1: April 2025
Publisher : Departemen Geofisika, FMIPA - Universitas Hasanuddin, Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70561/geocelebes.v9i1.43566

Abstract

The Bintuni Basin is one of the largest hydrocarbon-bearing basins in Eastern Indonesia, although only a limited number of oil and gas fields are currently. Consequently, further investigation into its petroleum system, particularly the potential of its source rocks. In hydrocarbon exploration, characterizing source rock is critical to evaluating the presence of organic-rich strata capable of generating hydrocarbons. Geochemical analysis is a widely used method for assessing source rock potential, utilizing total organic carbon (TOC), rock-eval pyrolysis, and vitrinite reflectance data. In this study, geochemical data were obtained from one well and two outcrop samples to evaluate the quantity, quality, and thermal maturity of organic matter. The geochemical assessment of rock samples from four stratigraphic formations indicates that the Permian Ainim Formation exhibits the highest source rock potential. TOC values range from 1% to 80% with hydrogen index (HI) values range between 13 and 431 mg HC/g TOC classifying the formation as a good to excellent potential. The dominant organic matter consists of kerogen type II/III suggesting the potential for both oil and gas generation. Thermal maturity analysis indicates that the Ainim formation has reached the oil and gas generation window at depths of 8,075–8,420 feet. These findings demonstrate that the Ainim Formation represents a significant source rock within the Bintuni Basin, contributing valuable insights into the region's petroleum system and hydrocarbon prospectivity.
OPTIMASI PRODUKSI DENGAN MELAKUKAN RE-DESIGN TUBING ID PADA SUMUR “REDD-24” LAPANGAN “ANANDA” SETELAH DILAKUKAN PENGASAMAN Ananda, Muhammad Rafly; Manik, Nijusiho; Sera, Rohima; Jumardi, Andi; Fatma, Fatma; Caesar, Abiyyu
Citizen : Jurnal Ilmiah Multidisiplin Indonesia Vol. 3 No. 4 (2023): CITIZEN: Jurnal Ilmiah Multidisiplin Indonesia
Publisher : DAS Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53866/jimi.v3i4.129

Abstract

The length of time to produce reservoir fluid will definitely experience a decrease in the production rate. The decrease in production rate can be caused by inappropriate tubing sizes and Damage to formations that impede fluid flow.To overcome the decline in production rates, it is necessary to choose the appropriate tubing size and carry out acidizing activities. Appropriate tubing size can avoid pressure drop and extend the life of the well. Acidizing is the injection of acid to eliminate the effect of decreasing permeability. The tubing size of 2 7/8 inches is not suitable for the “REDD-24” well because the target Qopt value of 130.997 bfpd was not achieved and there was an indication of calcium carbonate scale in the formation. This study discusses production optimization by re-designing tubing id after acidizing. Calculating the inflow performance relationship (IPR) using the Wiggin's method and obtaining Qtmax results of 163.74583 bpd, calculating theProductivity Index (PI) of 0.0870911 psi which according to Kermit E. Brown, the PI value is classified as low, calculates the skin value and obtains the results (+) 37.35 which indicates that the formation of the "REDD-24" well has suffered formation Damage. Selection of tubing with Hagedorn & Browns's correlation, analyzing Qopt tubing sizes of 3 1/2 inches, 2 inches, 1 2/3 inches, and 1 1/3 inches. Choose tubing with a size of 1 1/3 inches. matrix acidizing planning by knowing the value of formation fracture pressure (Pf) of 4857 psi, maximum  injection rate (Imax) of 2.829 bbl/min, maximum injection pressure (Pmax) of 1318.24, injected acid volume of 42.13561 bbl, and knowing success rate.
Evaluasi dan Desain Ulang Electrical Submersible Pump (ESP) Pada Sumur “YS-19” Lapangan Sumatera Selatan Suhartono, Yudi; Wiyono, Joko; Firdaus, Firdaus; Wicaksono, Bambang; Manik, Nijusiho; Pradana, Michael A.
Citizen : Jurnal Ilmiah Multidisiplin Indonesia Vol. 3 No. 4 (2023): CITIZEN: Jurnal Ilmiah Multidisiplin Indonesia
Publisher : DAS Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53866/jimi.v3i4.158

Abstract

Over time, the production process is ensured to decrease, causing the production rate to be reduced or not optimal and the way to optimize the production well is to use one of the artificial methods or Artificial Lift. The Electrical Submersible Pump is one alternative to help pour the pump into motion by an electric motor. The method used is the 3 phase Wiggins Inflow Performance Relationship (IPR) method. The Wiggins method is a development method from the Vogel method which assumes that each phase can be carried out separately so that the water rate (Qw) and oil rate (Qo) can be calculated respectively. each. The writing methodology used in this paper is carried out using well data, well production data, and other supporting data. The results of the IPR curve analysis from manual calculations can be said thatThe “YS-19” well has a Maximum Flow Rate (Qtotal) of 2944 BFPD. After pairing the REDA pump type with the ESP type D2400N 60Hz 3500 rpm with a Head/Stage of 25 ft/stage, the HP/stage value is 0.52 HorsePower (HP), Pump Setting Depth of 2242.96 ft with Pump Intake Pressure (PIP) of 237.77 psi, 4CU 2AL cable and 68% pump efficiency. With the amount of oil production increasing to 702 BOPD, the rate of oil that can be produced is 1338 BOPD. and obtained a value from the Productivity Index (PI) of 3.4 bbl/day.
Analisis Komposisi Mineral Lempung dan Maturitas Material Organik Daerah Balikpapan Selatan, Kota Balikpapan, Kalimantan Timur Jamaluddin, Jamaluddin; Oscar, Agus Wiramsya; Manik, Nijusiho; Umar, Emi Prasetyawati
OPHIOLITE: Jurnal Geologi Terapan Vol 7 No 3 (2025): On Progress
Publisher : Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56099/ophi.v7i3.p123-132

Abstract

The research aims to analyze the influence of clay mineral composition on the thermal evolution of source rock in the South Balikpapan area, Balikpapan City, East Kalimantan. Mudstone samples were analyzed by vitrinite reflectance (Ro), X-ray diffraction (XRD) and scanning electron microscopy (SEM). XRD analysis results show that the predominant clay minerals in the mudstone are mixed illite/smectite (35-42%), kaolinite (30-39%), illite (18-23%), and chlorite (5-10%). The predominant mineral presence of illite/smectite indicates a high heat retention capability. This plays an important role in the process of diagenesis and thermal transformation. High heat retention allows for localized temperature increases that further influence the thermal evolution of the host rock. The kaolinite mineral, which reaches 30-39%, contributes to the thermal stability of the host rock due to its inert nature in the medium temperature range. Meanwhile, the presence of illite minerals (18-23%) also supports thermal stability but with a smaller role than kaolinite. Otherwise, chlorite (5-10%) can increase the chemical reactivity of minerals under high temperature conditions, potentially triggering mild metamorphic reactions in rocks. The Ro values obtained from the samples range from 0.33% to 0.47%, which indicates a low to medium level of thermal maturity. This maturity level indicates that the mudstone rocks in the South Balikpapan area have not reached the optimal condition to produce hydrocarbons. These vitrinite reflectance values correspond to the estimated maximum temperature that the rocks have experienced, which is likely not high enough to trigger the formation of significant amounts of oil or gas.