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All Journal Jurnal Polimesin LEMBARAN PUBLIKASI MINYAK DAN GAS BUMI
Pradini Rahalintar
Politeknik Energi dan Mineral Akamigas
Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Earth & Planetary Sciences Energy Engineering Environmental Science Materials Science & Nanotechnology Mechanical Engineering

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The Effect of Modular Portable Clamp on Electrical Heat Traces for Wellhead Icing Prevention Arya Dwi Candra; Pradini Rahalintar; Akba Gushari; Muhammad Aulia Fikri; Novlian Adonia Borolla; Zulfan Zulfan; Zainal Abidin
Jurnal POLIMESIN Vol 21, No 1 (2023): February
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v21i1.3193

Abstract

Gas wells have numerous safety devices installed at the wellhead, including pressure sensors with high-high (HH) and low-low (LL) parameter set points that can close the shut-down valve (SDV). A phenomenon of icing was discovered on the wellhead tube wings during open well X operations (after shut-in wells). This occurs when wells are shut down for longer than three days, such as during turnaround operations or emergency situations. The occurrence of ice blocks on the wellhead tube wings during wellbore startup disrupts gas flow to well X and has the potential to result in an annual loss of production opportunity (LPO) of $960 million. When there is a significant heat release phenomenon around the wing tube area, the absence of a heating facility around the wellhead area is one of the most important factors in this icing. To prevent icing and ice blockage, a portable, modular electric heat trace with clamp-on attachment is installed. Heat Trace cable is connected to a portable generator for power. This device is capable of converting electricity into heat up to 167 °F (75 °C). The heat generated by the instrument will mitigate the sudden release of heat when the gas begins to flow. Modular portable clamp-on heat tracing has been demonstrated to eliminate the possibility of icing at the wellhead due to a significant drop in temperature and maintain the gas field's production rate.
Analisis Masalah Backpressure di Lapangan Ledok Sumur LDK-X PT. Pertamina EPy4sset 4 Cepu Safira Maura Aldira Ratasya; Elsabrina Prakasa Putri; Satria Nugeraha Ariyanto; Chentika Anugra Cenia Bunga; Mohamad Imam Ghozali; Teguh Widodo; Pradini Rahalintar
Lembaran Publikasi Minyak dan Gas Bumi Vol. 57 No. 3 (2023): LPMGB
Publisher : BBPMGB LEMIGAS

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Abstract

Dalam industri minyak dan gas, ada beberapa masalah yang dapat terjadi selama prosesproduksi. Backpressure adalah salah satu masalah dalam sumur produksi. Backpressuredapat disebabkan karena aliran dari sumur bertekanan rendah terhalang oleh aliran darisumur bertekanan tinggi. Lapangan Pertamina Asset 4 Cepu Lapangan Ledok, khususnyasumur LDK-X, merupakan contoh signifikan dari tekanan balik yang ditandai denganbeberapa fenomena, seperti katup periksa rusak dan penurunan produksi. Untuk mengatasimasalah ini, diterapkan sistem pressure and flow cluster yang akan masuk ke separator.Sumur dengan tekanan tinggi akan mengalir ke pemisah kelompok sedangkan sumurdengan tekanan rendah seperti sumur LDK-X akan mengalir ke uji separator. Melaluimetode ini, diperoleh hasil yang cukup memuaskan dan efektif untuk mengatasi masalahbackpressure, terbukti dengan adanya peningkatan volume produksi dari 89,5 bopdmenjadi 110,8 BOPD.
Co-Authors Akba Gushari Arya Dwi Candra Chentika Anugra Cenia Bunga Elsabrina Prakasa Putri Mohamad Imam Ghozali Muhammad Aulia Fikri Novlian Adonia Borolla Safira Maura Aldira Ratasya Satria Nugeraha Ariyanto Teguh Widodo Zainal Abidin Zulfan Zulfan