Update Artikelilmiah: 24501

FAISHAL MAHDY

NIM

Judul Artikel

Abstrak (Bhs. Indonesia)

Lapangan Kaprasida secara administratif terletak di Provinsi Aceh, Cekungan Sumatera Utara dengan luas 30 km2. Lapangan ini terletak pada antiklin asimetris yang berasosiasi dengan struktur sesar normal berorientasi timur laut –barat daya akibat periode deformasi kompresi. Reservoir pada Lapangan Kaprasida adalah Formasi Keutapang dengan fokus penelitian pada interval lapisan batupasir Z-600. Penelitian ini bertujuan untuk memahami kondisi geologi lapangan penelitian, menentukan karakteristik reservoir seperti fasies pengendapan, distribusi dan property reservoir, serta prospek hidrokarbon pada reservoir Z-600. Data yang digunakan terdiri dari data seismik 3D, deskripsi batuan inti, data wireline log, data petrofisik. Metode yang digunakan adalah analisis wireline log, analisis core dan cutting, analisis biostratigrafi, analisis seismik, dan perhitungan cadangan. Reservoir Z-600 Formasi Keutapang pada Lapangan Kaprasida diendapkan pada lingkungan delta yaitu distributary mouth bar dengan arah pengendapan barat laut-tenggara. Berdasarkan pemodelan property reservoir daerah penelitian memiliki nilai rata – rata porositas efektif 16%, saturasi air 0,33 dengan permeabilitas rata–rata  251 mD dan net to gross senilai 0,9. Estimasi total volumetrik hidrokarbon pada Lapangan Kaprasida sebesar 133.000 MSTB.

Abtrak (Bhs. Inggris)

Kaprasida Field administratively is located in Aceh Province and part of North Sumatra Basin encompassing an area of 30 km2. Kaprasida Field is located in asymmetrical anticline which associates with a normal fault with the northeast-southwest trend as a result of the compression stage. The reservoir of Kaprasida Field is Keutapang Formation with study focus at sandstone interval Z-600. The main purpose of this study is to know the geological condition of Kaprasida Field to determine reservoir characteristics such as depositional facies, reservoir properties and distribution, and hydrocarbon prospect of sandstone interval Z-600. The data used in this study consists of 3D seismic, core description, wireline log, and petrophysics. Several methods that have been used are wireline analysis, core and cutting analysis, biostratigraphy analysis, seismic analysis, and hydrocarbon volumetric estimation. Z-600 reservoir Keutpang Formation was deposited in the delta which is distributary mouth bar with northwest-southeast sedimentation trend. Based on reservoir property modeling the research interval has average reservoir porosity is about 16%, water saturation 0,33 with average permeability 251 MD and net to gross is about 0,9. The total hydrocarbon volumetric estimation on Kaprasida Field is 133.000 MSTB.

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