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All Journal Jurnal Teknik Industri Terintegrasi (JUTIN)
Ali Wardhana Putra
STT Migas Balikpapan
Decision Sciences, Operations Research & Management Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Analisis Pengaruh Kecepatan Tripping terhadap Respons Tekanan Swab dan Surge pada Sumur Deviasi Tinggi Emn Lapangan N Muhammad Sulaiman; Ali Wardhana Putra
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 3 (2026): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i3.59374

Abstract

Tripping pipe operations in highly deviated wells can generate dynamic pressure variations in the form of surge pressure and swab pressure, which may affect wellbore pressure stability. This study aims to analyze the effect of tripping speed variations on transient pressure response in Well EMN, Field N, using Transient Hydraulics simulations performed with Landmark WellPlan software. Simulations were conducted under closed pipe conditions with tripping speeds of 60, 90, and 120 ft/min using a Water-Based Mud (WBM) system containing Xanthan Gum and modeled with the Bingham Plastic rheological approach. The simulation results indicate that increasing tripping speed leads to higher transient pressure amplitudes, with a maximum surge pressure spike of 10.15 ppg at 120 ft/min and a minimum swab pressure of 9.33 ppg. All pressure responses remained within the operating window defined by a pore pressure of 8.33 ppg and a fracture gradient of 14.32 ppg. A tripping speed of 60 ft/min is recommended as the most conservative operating condition to minimize pressure fluctuations during tripping operations.
Evaluasi Penggunaan Chemical Pour Point Depressant (PPD) pada Sampel Crude Oil Sumur 21 Ali Wardhana Putra; Muhammad Sulaiman
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 3 (2026): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i3.60879

Abstract

Crude oil with a high wax content has the potential to experience an increase in pour point, which can impede fluid flow in flow assurance. This study aims to evaluate the use of a chemical Pour Point Depressant (PPD) in lowering the pour point of crude oil samples from Well 21. The method used was a laboratory experiment involving API Gravity, BS&W, viscosity, and initial pour point testing, as well as pour point testing after adding PPD at doses of 50–350 ppm. The characterization results showed an API Gravity of 15.3°API, a viscosity of 20.25 cP, a BS&W of 50%, and an initial pour point of 26°C. The addition of PPD lowered the pour point to 21°C at a dosage of 50 ppm, 20°C at 100 ppm, 19°C at 150 ppm, 17°C at 200 ppm, 16°C at 250 ppm, and 13°C at dosages of 300–350 ppm. Based on technical and economic evaluations, the 150 ppm dose was deemed the most effective because it was able to lower the pour point below the minimum field operating temperature at a relatively low cost.
Co-Authors Muhammad Sulaiman