1887

Abstract

Summary

Malay Basin of Malaysia has been explored since the 70s until recent and since then, considered to be a mature basin. However, to this day, there are areas and intervals that remained to be tested, given the depth and historically by-passed due to attractiveness of HC in the younger stratigraphic group. This study uses synthetic seismic modeling to explore the causes of an amplitude anomaly in the syn rift section of the Eastern flank of the Malay Basin. Interestingly, the area has not been penetrated by any wells, making the studies to be quite challenging. Proper modelling using all the available offset data was done to consider all potential responses. The study comes out with four scenarios that could create a class IV amplitude versus offset (AVO) response: high porosity or overpressure shales, phase change, coal, or hydrocarbon effects. The modeling results suggest that the anomaly is likely due to high porosity or overpressure shales, which implies a high hydrocarbon exploration potential in this undrilled depocenter, given the classification of the prospect to be considered as high risk with high rewards.

Loading

Article metrics loading...

/content/papers/10.3997/2214-4609.202477120
2024-11-20
2026-02-11
Loading full text...

Full text loading...

References

  1. EPMI-PETRONAS EPIC Study (unpublished report, 1994). Regional Study of the Malay Basin, Final Portfolios.
    [Google Scholar]
  2. Structural Geology Restoration Study PM331 (unpublished report, 2018).
  3. Structural Geology Review on Basement Eastern Flank Malaysia (unpublished report, 2018).
  4. Oligecene Synrift Half Graben Stratigraphic Play QI study PM8 (unpublished report, 2017).
  5. Madon, M.B., Abolins, P., Hoesni, M.J.B., Ahmad, M.B., 1999. Malay basin. In: Selley, R., Meng, L.K. (Eds.), The Petroleum Geology and Resources of Malaysia. Petronas, Kualu Lumpur, pp. 173–217.
    [Google Scholar]
  6. Morley, C.K., Westaway, R., 2006. Subsidence in the super-deep Pattani and Malay basins of Southeast Asia: a coupled model incorporating lower-crustal flow in response to post-rift sediment loading. Basin Res. 18, pp 51–84.
    [Google Scholar]
  7. Mansor MdYazid, A. Hadi A.Rahman, DavidMenier and ManuelPubellier., 2014. Structural evolution of Malay Basin, its link to Sunda Block tectonics. Marine and Petroleum Geology58, pp 736–748. http://dx.doi.org/10.1016/i.marpetgeo.2014.05.003
    [Google Scholar]
  8. Ødegaard, E., and P.Avseth, 2004. Well log and seismic data analysis using rock physics templates: First Break, 22, 37–43.
    [Google Scholar]
  9. Osborne, M. J. and R. E.Swarbrick, 1997. Mechanisms for Generating Overpressure in Sedimentary Basins: A Reevaluation. AAPG Bulletin, V. 81, No. 6, pp 1023 – 1041
    [Google Scholar]
/content/papers/10.3997/2214-4609.202477120
Loading
/content/papers/10.3997/2214-4609.202477120
Loading

Data & Media loading...

This is a required field
Please enter a valid email address
Approval was a Success
Invalid data
An Error Occurred
Approval was partially successful, following selected items could not be processed due to error