ANALISIS EFEKTIVITAS MATRIX ACIDIZING TERHADAP PRODUKTIVITAS SUMUR X LAPANGAN Y
DOI:
https://doi.org/10.53026/prosidingsntem.v5i1.696Keywords:
Larutan HCl, Matrix Acid, Scale, SkinAbstract
Kinerja produksi Sumur X di Lapangan Y menunjukkan penurunan signifikan akibat meningkatnya hambatan aliran (skin) yang disebabkan oleh kerusakan formasi di sekitar lubang sumur. Untuk mengatasi kondisi tersebut dan meningkatkan produktivitas, diterapkan metode stimulasi formasi melalui matrix acidizing. Pemilihan metode ini didasarkan pada hasil analisis yang mengindikasikan adanya penyumbatan pori akibat endapan mineral karbonat. Evaluasi produktivitas dilakukan dengan metode Standing menggunakan larutan HCl 15%, yang memiliki reaktivitas tinggi terhadap batuan karbonat (limestone). Tahap perancangan perlakuan menghasilkan nilai Initial Bulk Volume (IBV) sebesar 2178.22 cuft, Net Initial Bulk Volume (NIBV) 1960.40 cuft, Target Bulk Volume (TBV) 2122.37 cuft, dan Net Target Carbonate Volume (NTCV) 1910.13 cuft, dengan total kebutuhan asam sebesar 4697.82 galon atau 112.1 barel. Proses pengasaman dilakukan dalam tiga tahap, yaitu preflush, main treatment, dan overflush. Hasil evaluasi menunjukkan peningkatan performa signifikan, dengan laju produksi maksimum mencapai 368.65 BLPD, Flow Efficiency meningkat menjadi 1.01, nilai skin menurun menjadi –12.43, serta Productivity Index naik menjadi 0.419 BLPD/psi. Dengan demikian, penerapan metode matrix acidizing terbukti efektif dalam meningkatkan efisiensi aliran dan produktivitas Sumur X.
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