FIELD TRIP 2

APGCE 2017 FIELD TRIP
NOW OPEN TO DELEGATES AND NON DELEGATES

PAHANG RIVER DELTA:
A WAVE-DOMINATED DELTA ANALOG AND ITS IMPLICATION TO RESERVOIR GEOMETRY AND HETEROGENEITY.

16 – 18 NOVEMBER 2017
(3 DAYS / 2 NIGHTS) 

 

*All prices are inclusive of 6% GST & processing fee. 

 

INSTRUCTORS:
Shamsuddin B Jirin (PETRONAS Carigali)
Aziz B Ejan (PETRONAS Carigali)


BACKGROUND:

In the subsurface, interpreting depositional environments based on cores, well logs, biostratigraphy and seismic data can be a daunting exercise.  Studying analog from ancient and recent deposits helps in enhancing our understanding of the nature of the deposits in the subsurface. Outcrops give us the end product, but the recent environment provides us with the opportunity to observe the processes that are currently affecting the delta systems.  It also shows the dynamism of a delta system as a result of the interaction between the different processes (waves-river-tides) and sediment supply.

The modern Pahang Delta (located in Pekan, Pahang) represents as a wave-dominated delta system. It offers a great opportunity to observe different types of sedimentary sub-environments and facies heterogeneity across the northern and southern half of the delta. These heterogeneities resulted from the interplay of different types of processes affecting the delta complex together with sediment being supplied by the Pahang River. Shallow core data up to 100 meters collected previously gives a glimpse of the delta evolution as a result of late Holocene sea level rise and the subsequent drop during the last 5,000 yrs.

The delta also offers a close analogue of fluvio-wave dominated reservoir encountered in the subsurface. Its areal coverage is similar to an offshore field, and provides a close comparison for evaluating and understanding reservoir architecture, geometry, distribution and connectivity. These observations at the modern delta provide clear insight to reservoir geologists and modelers to obtain realistic simulation and geological models. The participants will also be shown the core descriptions from offshore to demonstrate interpretation of depositional facies seen in the Pahang Delta complex. These observations should enhance participants’ understanding and relates modern observations with reservoir rocks architecture.


WHO SHOULD ATTEND?
Geoscientists, geomodelers and petrophysicists who are interested to strengthen their understanding about deltaic deposits.


OBJECTIVE AND SCOPE OF THE FIELD WORK
The purpose of this field trip are introduce to the participants to:

  • The modern processes and the resulting sedimentary facies of a wave-dominated delta system.

  • The variation in the areal coverage and locations of the different sub-environments within the delta complex and how they relate to each other.

  • Provide further insights of the development of sand body geometry, architecture, connectivity, distribution, reservoir properties.

  • The development of the late Holocene Pahang Delta and its relation to the subsurface.

  • The potential analog for subsurface deltaic deposit.

The trip will be divided into three (3) parts:

  • Old/abandoned delta (also known  as Pahang Tua) in the northern side of the current delta together with the beach ridge-swales topography in the northern part of the current delta

  • Southern side of the delta where lagoonal-marsh-spit/beach is dominant. This will require a boat ride to reach the locations. Shallow coring (<1m) and trenching will be done.

  • Main channel (Pahang River) – mid channel bars. Also requires a boat ride. Shallow coring (<1m) and trenching will be done.

A field guide will be provided detailing the different location within the delta complex visited. Short lecture/discussion sessions will be conducted prior to the field trip.

Since there will be a boat ride along the Pahang River and possible in front of the delta, HSE regulations will be strictly observed.  Participants are informed that they will get wet, so appropriate attire is required.

*APGCE 2017’s Field Trip programme is now open to Delegates and Non Delegates!
Register now to take part!

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