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Wahyu Sutresno
Universitas Bhayangkara Jakarta Raya
Chemical Engineering, Chemistry & Bioengineering Energy

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Application of Bailer Technique for Idle Well Reactivation in Mature Fields: Case Study of SLF Field Sumatera Berkah Hani; Wahyu Sutresno
Scientific Contributions Oil and Gas Vol 48 No 4 (2025)
Publisher : Testing Center for Oil and Gas LEMIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/scog.v48i4.1994

Abstract

This paper presents a field trial of wireline bailer cleanout to reactivate an idle oil well (SLL-06) in the mature SLF Field, South Sumatra Basin. The well had been shut in for several years due to severe debris accumulation and scale deposition. A low-capital bailer operation was used to remove wellbore obstructions and restore fluid communication. Eight successive bailer runs were conducted, and debris volume was quantified for each run. Results show a pronounced decline in recovered debris per run and an estimated cumulative removal of approximately 80% of the original obstruction. Post-cleanup measurements indicate a significant reduction in static fluid level of about 35% and a stabilized bottom-hole pressure (SBHP) profile, suggesting partial restoration of reservoir–wellbore connectivity. Following the intervention, the well resumed production at a low oil rate. A simplified economic assessment shows that the bailer operation required only 15–20% of the capital cost of a conventional workover. Under a conservative production assumption of approximately 30 bbl/d and an oil price of USD 70/bbl, the projected first-year revenue substantially exceeds the intervention cost. These findings confirm that wireline bailer cleanout is a technically practical and economically attractive first-step strategy for reactivating marginal wells where conventional artificial lift options are not economically viable.
Co-Authors Berkah Hani