Petrophysics Analysis for Reservoir Characterization of Upper Plover Formation in the Field “A”, Bonaparte Basin, Offshore Timor, Maluku, Indonesia

Sugeng Sapto Surjono; Indra Arifianto

doi:10.22146/jag.26959

Petrophysics Analysis for Reservoir Characterization of Upper Plover Formation in the Field “A”, Bonaparte Basin, Offshore Timor, Maluku, Indonesia

https://doi.org/10.22146/jag.26959

Sugeng Sapto Surjono^(1*), Indra Arifianto⁽²⁾

(1) Department of Geological Engineering, Gadjah Mada University
(2) Department of Geological Engineering, Gadjah Mada University
(*) Corresponding Author

Abstract

Hydrocarbon potential within Upper Plover Formation in the Field “A” has not been produced due to unclear in understanding of reservoir problem. This formation consists of heterogeneous reservoir rock with their own physical characteristics. Reservoir characterization has been done by applying rock typing (RT) method utilizing wireline logs data to obtain reservoir properties including clay volume, porosity, water saturation, and permeability. Rock types are classified on the basis of porosity and permeability distribution from routines core analysis (RCAL) data. Meanwhile, conventional core data is utilized to depositional environment interpretations. This study also applied neural network methods to rock types analyze for intervals reservoir without core data. The Upper Plover Formation in the study area indicates potential reservoir distributes into 7 parasequences. Their were deposited during transgressive systems in coastal environments (foreshore - offshore) with coarsening upward pattern during Middle to Late Jurassic. The porosity of reservoir ranges from 1–19 % and permeability varies from 0.01 mD to 1300 mD. Based on the facies association and its physical properties from rock typing analysis, the reservoir within Upper Plover Formation can be grouped into 4 reservoir class: Class A (Excellent), Class B (Good), Class C (Poor), and Class D (Very Poor). For further analysis, only class A-C are considered as potential reservoir, and the remain is neglected.

Keywords

Upper Plover Formation · Rock typing · Depositional environment · Bonaparte basin · Maluku · Indonesia.

Full Text:

PDF

References

Amaefule, J., Altunbay, M., Tiab, D., Kersey, D., and Keelan, D. (1993) Enhanced Reservoir Description Using Core and Log Data to Identify Hydraulic Flow Units and Predict Permeability in Uncored Intervals/Wells: SPE, 26436, p. 205–220. Anonim (2014) Regional Geology of the Bonaparte Basin, Deptartement of Industry, Geoscience Australia, Australia. Barber P., Carter, P., Fraser T., Baillie, P., Myers, K. (2003) Paleozoic and Mesozoic Petroleum System in The Timor and Arafura Seas, Eastern Indonesia, Proceedings Indonesia Petroeleum Association 29th, Jakarta, Indonesia. IPA03-G-169 Bohling G.C., dan Dubois M.K. (2003) An Integrated Application of Neural Network and Markov Chain Techniques to Prediction of Lithofacies from Well Logs, Kansas Geological Survey Open File Report 2003-50, Kansas, USA, http://www.kgs.ku.edu/PRS/publication/2003/ofr- 2003-50.pdf (13 April 2015) Elliot, T. (1986) Siliciclastic Shorelines, in Reading, H.G., ed., Sedimentary Environments and Facies 2nd Ed. Blackwell Scientific Publication, Oxford, UK. p. 155-188 Gunter, G., Finneran, J., Hartmann, D. and Miller, J. (1997) Early Determination of Reservoir Flow Units Using an Integrated Petrophysical Method: SPE 38679, 8 p. Helby, R., Partridge, A.D., 2001. Bonbonadinium granulatum gen. et sp. nov., a Late Jurassic (Tithonian) dinoflagellate cyst from the NorthWest Shelf, Australia. Memoir of the Association of Australasian Palaeontologists 24, p. 221-224. Matsui, R., Shinbo, E., Omokawa M., Zushi T. (2009) Quartz Cementation and Reservoir Quality of the Plover Sandstone in the Abadi Gas Field. Proceedings Indonesia Petroeleum Association 33th, Jakarta, Indonesia. IPA09-G-157 Miall, A.D. (1990) Principles of sedimentary basin analysis, 2nd Ed., Springer-Verlag, New York, 668p Nagura, H., Suzuki I., Teramoto T., Hayashi, Y., Yoshida, T., Bandjarnahor, H. MP., Kihara, K., Swiecicki, T., Bird, R. (2003) The Abadi Gas Field, Proceedings Indonesia Petroeleum Association 29th, Jakarta, Indonesia. IPA03-G-141 O’brien, G.W., Etheridge, M.A., Willcox, J.B., Morse, M., Symonds, P., Norman, C. And Needham, D.J. (1993) The Structural Architecture of the Timor Sea, North-Western Australia: Implications for Basin Development and Hydrocarbon Exploration. The APEA Journal, 33(1). p. 258–278 Radiansyah J., Putra T.E., Ismail R., Wibowo R.A., Riza E.E., Kurniawan M. (2014) Reservoir Description using Hydraulic Flow Unit and Petrophysical Rock Type of PMT Carbonate Early Miocene of Baturaja Formation, South Sumatra Basin, Extended abstract presented in AAPG International Conference & Exhibition, Istanbul, Turkey, Sept 2014. Slatt, R.M. (2006) Stratigraphic Reservoir Characterization For Petroleum Geologists, Geophysicists, And Engineers, Elsevier, Oxford, UK, 478 p. Tiap, D and Donaldson, C. (1996) Petrophysics: theory and practice of measuring reservoir rock and fluid transport properties, Gulf Publishing Co, Houston. 705 p. Van Wagoner, J.C., Posamentier, H.W., Mitchum, R.M., Vail, P.R., Sarg, J.F., Loutit, T.S., and Hardenbol, J. (1988) Ann overview of the fundamentals of sequence stratigraphy and key definitions, SEPM Spec. Pub., No. 42, pp 39-46. Windland, H.D. (1972) Oil Accumulation in Response to Pore Size Changes, Weyburn Field, Saskatchewan: Amoco Production Research Report, No. F72-G-2.

DOI: https://doi.org/10.22146/jag.26959