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All Journal Jurnal AKAL: Abdimas dan Kearifan Lokal Journal of Earth Energy Science, Engineering, and Technology
Pri Agung Rakhmanto
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Humanities Automotive Engineering Civil Engineering, Building, Construction & Architecture Economics, Econometrics & Finance Energy Public Health Social Sciences Transportation

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Journal : Journal of Earth Energy Science, Engineering, and Technology

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The Effect of Pressure and Temperature of Residual Life on Separator as Types of Pressure Vessel in “Z” Oil and Gas Field Reza Fadhlan; Dwi Atty Mardiana; Pri Agung Rakhmanto; Muhammad Taufiq Fathaddin; Rini Setiati; Suryo Prakoso
Journal of Earth Energy Science, Engineering, and Technology Vol. 5 No. 2 (2022): JEESET VOL. 5 NO. 2 2022
Publisher : Penerbitan Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (568.589 KB) | DOI: 10.25105/jeeset.v5i2.14427

Abstract

Field Z is a mature oil and gas field with several production facilities that have passed their service life design, re-assessment of service life for the critical equipment is needed to carry out. This study focuses on identifying the damage mechanism, determining the residual life assessment, and assessing the effect of pressure and temperature on the residual service life of four separators in field Z. The approach is to recalculate the maximum allowable pressure and the minimum thickness of the separator, estimates the corrosion rate using API 510 and API 581, and estimates the residual life assessment of the separator. The result shows that estimation of corrosion rate with API 581 provide lower value than API 510 due to different methodology. However, the result prove that the operating pressure and temperature of separator will affect to the residual life through minimum thickness and corrosion rate, respectively. The higher operating temperature, the higher corrosion rate. Both of these will reduce the residual life. The calculation estimates that at current operation condition, three of four separators in field Z still can be utilize d at least until next five years. While one separator needs to replace immediately considering to the negative remaining service life.
Dynamic Simulation Approach for Liquid Loading in Horizontal Gas Well X Field Indonesia Hairuni Hapsari; Dwi Atty Mardiana; Shabrina Sri Riswati; Pri Agung Rakhmanto
Journal of Earth Energy Science, Engineering, and Technology Vol. 5 No. 3 (2022): JEESET VOL. 5 NO. 3 2022
Publisher : Penerbitan Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/jeeset.v5i3.14611

Abstract

There has been intensive investigation on the understanding of the liquid loading phenomenon lately via experiment and transient approach. This is driven due to the limitation of the traditional approach using steady state Turner correlation to be used over a wide range of actual conditions (i.e such as under various tubing diameters, fluid condition (CGR/WGR), and horizontal or deviated trajectory of the well) which can lead to underpredict critical gas rate and mitigation action which directly impact the production and economics limit of the field. By nature, the liquid loading phenomena classified as transient or dynamic phenomena and hence couldn’t be able to be explained under the steady state approach. The application of dynamic well modeling itself has been applied worldwide recently. Therefore, utilizing this new approach for estimating the critical gas rate for horizontal well bring benefit by reducing the uncertainty of the outcome and providing more accurate prediction compare to the traditional approach. The selection of the de-liquification method which uses the bullheading for the horizontal gas well in X field provides the highest production optimization and the most economical approach to the field as there is no additional opex cost required.
Co-Authors Danar Wijayanto Diah Utami Safitri Dwi Atty Mardiana Hairuni Hapsari Harin Widiyatni Muhammad Taufiq Fathaddin, Muhammad Taufiq Onnie Ridaliani Reza Fadhlan Rini Setiati Shabrina Sri Riswati Suryo Prakoso, Suryo Zona Nuansa Adha Antariksa