Analysis of the effectiveness of chemical sand consolidation for sand production control in the "DNA" well
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Abstract
This study evaluated the technical effectiveness of chemical sand consolidation (SCON) using furan resin for controlling sand production in the “DNA” Well, Mutiara Field, East Kalimantan. The well produces from an unconsolidated sandstone reservoir with a porosity of 30% and a permeability of 1050 mD and is operated using a Permanent Coiled Tubing Gas Lift system. Secondary data comprising reservoir properties, wireline logs, treatment records, daily production rates, choke settings, operating hours, and sand-monitoring records were analyzed over comparable periods before and after treatment. Effectiveness was evaluated based on changes in detected sand production, oil and gas rates, choke opening, operating hours, and production stability. Following SCON treatment, no detectable sand production was recorded during the [duration]-day monitoring period. The oil rate changed from [before] BOPD to 200–360 BOPD, the choke opening increased from [before] to [after], and operating time increased from [before] to 24 hours per day. These results indicate that furan-resin SCON improved operational stability under the evaluated well conditions. However, the absence of direct measurements of formation strength and post-treatment permeability limits conclusions regarding the treatment’s geomechanical effects
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References
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