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Mohamad Obby Adianto
Universitas Sriwijaya
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EVALUASI SURFACE CASING Mohamad Obby Adianto
Integrative Perspectives of Social and Science Journal Vol. 2 No. 2 Maret (2025): Integrative Perspectives of Social and Science Journal
Publisher : PT Wahana Global Education

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Abstract

Perencanaan casing ke sumur pengeboran dimaksudkan untuk mendapatkan rangkaian casing yang secara teknis kuat yang berfungsi untuk melindungi sumur selama proses pengeboran serta proses selanjutnya. Umumnya faktor yang mempengaruhi perencanaan casing adalah apakah casing aman dan ekonomis untuk digunakan ke sumur. Evaluasi ini menggunakan metode beban maksimum kemudian dievaluasi dengan collapse, burst, dan tension. Makalah ini akan mengevaluasi perencanaan casing pada konfigurasi pada sumur yaitu casing 13 3/8" Permukaan casing grade K-55; 54,5 ppf. Casing permukaan akan berubah dari K-55; 54,5 ppf menjadi H-40; 48 ppf karena H-40;48 ppf akan efisien dan optimal. Dalam evaluasi ini akan dijelaskan apakah grade casing yang digunakan pada sumur OGN-A10 aman dan cukup ekonomis untuk sumur, sehingga hasil evaluasi dapat digunakan untuk konfigurasi casing lebih baik dengan mengkaji keselamatan dan nilai ekonomi. Evaluasi ini menggunakan Metode Beban Maksimum kemudian menghitung tekanan pada casing yaitu tekanan collapse, tekanan burst, dan beban tension. Serta keamanan casing akan mengacu pada faktor keamanan yang digunakan di sumur OGN-A10, faktor keamanan yang digunakan pada setiap beban yang terjadi pada casing adalah beban collapse, beban burst, dan tension beban yang ditahan oleh casing pada sumur OGN-A10.
Analysis of Viscosity Effects from the Addition of Mesona Palustris (Black Grass Jelly) on Chitosan Polymer Mohamad Obby Adianto; Muhammad Agni Gustama; Ferdian Budi Ar Rouf; Nyimas Ulfatry Utami; Robekca Purba
Frontier Advances in Applied Science and Engineering Vol. 3 No. 1 (2025)
Publisher : Tinta Emas Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59535/faase.v3i1.555

Abstract

The main purpose of polymer injection is to reduce the water-oil mobility ratio. Polymers that are widely used are polyacrylamide and polysaccaharides. By increasing the viscosity of the injection fluid, polymer injection can increase the sweep efficiency thereby increasing oil recovery. Refining on petroleum is highly dependent on the efficiency of macroscopic and microscopic pressing. This research purpose is to determine whether the viscosity effect resulted from mesona palustris addition on chitosan polymers could make a good viscosity for oil recovery. The method used in this research is a laboratory experiment with an Ostwald viscometer. The salinity of the formation water used in this study was 20.000 ppm with variations in polymer concentrations of 500 ppm, 1.000 ppm, and 2.000 ppm on the polymer without a mixture of mesona palustris and with a mixture of mesona palustris. The results showed that there was a decrease in polymer viscosity with the addition of mesona palustris to the chitosan polymer, namely the polymer concentration of 500 ppm decreased from 1,56 cp to 1,04 cp, the polymer concentration of 1.000 ppm decreased from 1.87 cp to 1.21 cp. And at a polymer concentration of 2.000 ppm it decreased from 2.38 cp to 1.43 cp.
Co-Authors Ferdian Budi Ar Rouf Muhammad Agni Gustama Nyimas Ulfatry Utami Robekca Purba