SEDIMENTOLOGY, DEPOSITIONAL ENVIRONMENT AND RESERVOIR QUALITY OF SANDAKAN FORMATION (ULU SIBUGA AND HARBOUR VIEW A OUTCROPS)

This study focuses on the sedimentological, depositional environment and reservoir quality belongs to the Tertiary aged Sandakan Formation. This project was conducted at the Harbour View A and Ulu Sibuga outcrops in Sandakan, Sabah. Techniques involved in this study include facies analysis, perme...

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Main Author: BINTI ISKANDAR, NADIA SYAZWANI
Format: Final Year Project
Language: English
Institution: Universiti Teknologi Petronas
Record Id / ISBN-0: utp-utpedia.18271 /
Published: Universiti Teknologi PETRONAS 2014
Subjects:
G Geography (General)
Online Access: http://utpedia.utp.edu.my/18271/1/Dissertation%20Nadia.pdf
http://utpedia.utp.edu.my/18271/
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spelling utp-utpedia.182712018-11-22T14:41:43Z http://utpedia.utp.edu.my/18271/ SEDIMENTOLOGY, DEPOSITIONAL ENVIRONMENT AND RESERVOIR QUALITY OF SANDAKAN FORMATION (ULU SIBUGA AND HARBOUR VIEW A OUTCROPS) BINTI ISKANDAR, NADIA SYAZWANI G Geography (General) This study focuses on the sedimentological, depositional environment and reservoir quality belongs to the Tertiary aged Sandakan Formation. This project was conducted at the Harbour View A and Ulu Sibuga outcrops in Sandakan, Sabah. Techniques involved in this study include facies analysis, permeability measurement, gamma ray measurement, grain size analysis and petrographic analysis. Four different lithofacies were identified at the outcrop. These are i) sandstone with mud clast (F1), ii) hummocky cross stratification (F2), iii)highly bioturbated (Skolithos) sandstone (F3), iv) thin parallel lamination with coal fragment and carbonaceous material (F4), v) clean and massive sand (F5) and vi) lenticular bedding (F6) . Permeability measurement gives the following reading: a) F1 ( 41 mD to 184 mD), b) F2 (65mD to > 250mD), c) F3 ( 91mD to 199mD), d) (200-250mD), e) F5 (44mD to > 250mD) and f) F6 (60mD to 80 mD). Gamma ray count shows lowest reading in sandstone with the range of 3-7 API and highest reading in mudstone with the range of 9-14 API. Based on the grain size analysis we found that the grain size range from medium to very fine sand with the very fine sand was found to be the dominant grain size. The grain sorting of the sediment is poor to moderate. The Sandakan Formation investigated in this study is interpreted to be formed in wave and storm dominated environment. This formation suggests a gradual overall shallowing upward environment which marked coarsening upward sediment pattern. It also marked the change in depositional system from offshore to lower shoreface. The thick mudstone succession in Ulu Sibuga may be succeeded by lower shoreface deposit of hummocky cross stratification sandstone in Harbour View outcrop that record the sedimentation in wave and storm dominated environment as the relative sea level begin to fall. Universiti Teknologi PETRONAS 2014-09 Final Year Project NonPeerReviewed application/pdf en http://utpedia.utp.edu.my/18271/1/Dissertation%20Nadia.pdf BINTI ISKANDAR, NADIA SYAZWANI (2014) SEDIMENTOLOGY, DEPOSITIONAL ENVIRONMENT AND RESERVOIR QUALITY OF SANDAKAN FORMATION (ULU SIBUGA AND HARBOUR VIEW A OUTCROPS). Universiti Teknologi PETRONAS. (Submitted)
institution Universiti Teknologi Petronas
collection UTPedia
language English
topic G Geography (General)
spellingShingle G Geography (General)
BINTI ISKANDAR, NADIA SYAZWANI
SEDIMENTOLOGY, DEPOSITIONAL ENVIRONMENT AND RESERVOIR QUALITY OF SANDAKAN FORMATION (ULU SIBUGA AND HARBOUR VIEW A OUTCROPS)
description This study focuses on the sedimentological, depositional environment and reservoir quality belongs to the Tertiary aged Sandakan Formation. This project was conducted at the Harbour View A and Ulu Sibuga outcrops in Sandakan, Sabah. Techniques involved in this study include facies analysis, permeability measurement, gamma ray measurement, grain size analysis and petrographic analysis. Four different lithofacies were identified at the outcrop. These are i) sandstone with mud clast (F1), ii) hummocky cross stratification (F2), iii)highly bioturbated (Skolithos) sandstone (F3), iv) thin parallel lamination with coal fragment and carbonaceous material (F4), v) clean and massive sand (F5) and vi) lenticular bedding (F6) . Permeability measurement gives the following reading: a) F1 ( 41 mD to 184 mD), b) F2 (65mD to > 250mD), c) F3 ( 91mD to 199mD), d) (200-250mD), e) F5 (44mD to > 250mD) and f) F6 (60mD to 80 mD). Gamma ray count shows lowest reading in sandstone with the range of 3-7 API and highest reading in mudstone with the range of 9-14 API. Based on the grain size analysis we found that the grain size range from medium to very fine sand with the very fine sand was found to be the dominant grain size. The grain sorting of the sediment is poor to moderate. The Sandakan Formation investigated in this study is interpreted to be formed in wave and storm dominated environment. This formation suggests a gradual overall shallowing upward environment which marked coarsening upward sediment pattern. It also marked the change in depositional system from offshore to lower shoreface. The thick mudstone succession in Ulu Sibuga may be succeeded by lower shoreface deposit of hummocky cross stratification sandstone in Harbour View outcrop that record the sedimentation in wave and storm dominated environment as the relative sea level begin to fall.
format Final Year Project
author BINTI ISKANDAR, NADIA SYAZWANI
author_sort BINTI ISKANDAR, NADIA SYAZWANI
title SEDIMENTOLOGY, DEPOSITIONAL ENVIRONMENT AND RESERVOIR QUALITY OF SANDAKAN FORMATION (ULU SIBUGA AND HARBOUR VIEW A OUTCROPS)
title_short SEDIMENTOLOGY, DEPOSITIONAL ENVIRONMENT AND RESERVOIR QUALITY OF SANDAKAN FORMATION (ULU SIBUGA AND HARBOUR VIEW A OUTCROPS)
title_full SEDIMENTOLOGY, DEPOSITIONAL ENVIRONMENT AND RESERVOIR QUALITY OF SANDAKAN FORMATION (ULU SIBUGA AND HARBOUR VIEW A OUTCROPS)
title_fullStr SEDIMENTOLOGY, DEPOSITIONAL ENVIRONMENT AND RESERVOIR QUALITY OF SANDAKAN FORMATION (ULU SIBUGA AND HARBOUR VIEW A OUTCROPS)
title_full_unstemmed SEDIMENTOLOGY, DEPOSITIONAL ENVIRONMENT AND RESERVOIR QUALITY OF SANDAKAN FORMATION (ULU SIBUGA AND HARBOUR VIEW A OUTCROPS)
title_sort sedimentology, depositional environment and reservoir quality of sandakan formation (ulu sibuga and harbour view a outcrops)
publisher Universiti Teknologi PETRONAS
publishDate 2014
url http://utpedia.utp.edu.my/18271/1/Dissertation%20Nadia.pdf
http://utpedia.utp.edu.my/18271/
_version_ 1741195323998470144
score 11.62408

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