Implementation of volume interpretation in revealing upside potential in a mature field, the sangatta oilfield: A case study

Susanto B. Nugroho; Bambang S. Murti; Budianto M Toha

doi:10.1071/ASEG2004ab109

ISSN: 2202-0586
E-ISSN:

oa Implementation of volume interpretation in revealing upside potential in a mature field, the sangatta oilfield: A case study
Authors Susanto B. Nugroho^a, Bambang S. Murti^b and Budianto M Toha^c
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^a Pertamina, , Indonesia, [email protected] ^b Landmark Graphics Corp, . Indonesia, [email protected] ^c UGM, Yogyakarta, , Indonesia, [email protected]
Publisher: Australian Society of Exploration Geophysicists
Source: ASEG Extended Abstracts, Volume 2004, Issue ASEG2004 - 17th Geophysical Conference, Dec 2004, p. 1 - 6
DOI: https://doi.org/10.1071/ASEG2004ab109
- Published online: 01 Dec 2004

Abstract

The Sangatta field is a shallow, medium sized oilfield, located in prolific Kutai Basin and was discovered in 1939. Field production begun at 1972. Primary production derives from Mid Miocene fluviodeltaic reservoir. Three deep exploratory wells drilled on crestal position in mid 70’ s failed to encounter reservoir quality rock and paleontologically exhibited deeper marine environment. Following conventional structural interpretation based on 3D shot in 1993, a comprehensive 3D volume interpretation was conducted recently. This new method facilitating combination between conventional 3D interpretation with the power of visualization, which enable interpreting of simultaneous multiple seismic attributes as single object that improve degree of confidence. This method eventually has revealed subtle seismic signature that can be interpreted as volumetrically significant geologic body that possess reservoir quality and becoming an attractive exploration target. Further to this study, 4 deep exploratory wells are scheduled to be drilled during this year drilling campaign.

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References

Allen, G. P & Chambers, J. L. C (1998), Sedimentation in the modern and Miocene Mahakam Delta, Indonesian Petroleum Association Special Publication (1998).
BATM Trisakti (2001), Jasa konsultasi geologi dan geofisika dalam rangka re-assessment struktur Sangatta, 55 pp (2001), Pertamina DOH Kalimantan internal report.
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Umar, Lukman, et. AL, (1986), Prospek hidrokarbon batupasir formasi Beriun di daerah Sangatta – Bungalun cekungan Kutai, Pertamina surface geology study, internal report, 11 pp.

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Article Type: Research Article

Keyword(s): Basin; Sangatta; Volume Interpretation

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Abstract

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