Estimation of Water Saturation in Carbonate Reservoirs Without Resistivity Log Data. Part II: Formulation of a New Model  

Oleh:

Hendratmoko, Heru ; Ridwan ; Widarsono, Bambang

Jenis: Article from Journal - ilmiah nasional
Dalam koleksi: Lemigas Scientific Contributions to Petroleum Science & Technology vol. 32 no. 01 (Apr. 2009), page 9-15.
Topik: Carbonate Rocks; Classification; Water Saturation; Capillary Pressure

Ketersediaan

Perpustakaan PKPM Nomor Panggil: L15.1 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

Lihat Detail Induk

Isi artikel

This paper in the secon part of the two-part report on study for establishing alternative model that are valid for Indonesian carbonate reservoirs. Inthe second part formulation of the new models is presented. For the study, 407 plug samples taken from various limestone reservoirs in Indonesia were used. Following Lucia's procedure the samples were classified, grouped, averaged, and their capillary pressure data was formulated to form water saturation models taht as essentially functions of porosity and height above free water level. Validity test on the models are performed on two wells in West Java with very encouraging results. With using the Archie model as reference, justified using well test data, the new models prove themselves reliable while the original Lucia models provide far too optimistic estimates. The model validity check shows that the models are valid for at least Class 1 and Class 2 rocks in accordance with Lucia classification. Study on Class 3 rock is neede in the future.

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