SPECIAL ISSUE ON PETROLEUM GEOLOGY VOL. V KANDUNGAN (CONTENTS) 1 A Triassic "reefal" limestone in the basement ofthe Malay Basin, South China Sea: Regional implications Fontaine Henri, Rodziah Daud & Singh Updesh 27 Depositional environments, diagenesis, and porosity of reservoir sandstones in the Malong Field, offshore West Malaysia Noor Azim Ibramm & Mazlan Madon 57 A discussion of "SNIFFER" geochemical surveying offshore Malaysia Mark E. Geneau 75 Application of sonic waveform attributes in reservoir studies R. Gir 103 Thin bed resolution and the determination of flushed zone resistivity in oil based mud Joseph F. Goetz, Roland Chemah & Douglas J. Seifert 117 Miocene-Pliocene paleogeographic evolution of a tract of Sarawak offshore between Bintulu and Miri Eros Agostinelli, Mohamad Raisuddin, Eugenio Antonielli & Mohamad 137 The application of detailed reservoir geological studies in the D18 Field, Balingian Province, offshore Sarawak. J. Almond, P. Vincent & L.R. Williams 161 The use of SAR imagery for hydrocarbon exploration in Sarawak Cmu Shao-Kang, Mohd Khair Abd Kadir 183 Reservoir Description: A synergistic approach to more accurate determination of oil and gas reserves D. G. Bowen, T. Kennaird, J. Hill & E.J. Frost 211 Induction, resistivity and MWD tools in horizontal wells S. Gianzero, R. Chemah & S.M. Su 227 Structural style and tectonics of Western and Northern Sabah Felix Tongkul 241 Tectonic evolution of the NW Sabah continental margin since the Late Eocene Denis N.K. Tan & J.M. Lamy 261 The Maliau Basin, Sabah: Geology and tectonic setting H. D. Tjia, Ibrahim Komoo, P.S. Lim & Tungah Surat Editor G.H. TEH
PERSATUAN GEOLOGI MALAYSIA GEOLOGICAL SOCIETY OF MALAYSIA The Society was founded in 1967 with the aim of promoting the advancement of Earth Sciences particularly in Malaysia and the Southeast Asian region. Majlis (Council) 1990/91 Presiden (President) Naib Presiden (Vice-President) Setiausaha Kehormat (Hon. Secretary) Penolong Setiausaha Kehormat (Asst. Hon. Sec.) Bendahari Kehormat (Hon. Treasurer) Pengarang Kehormat (Hon. Editor) Presiden Yang Dahulu (Immediate Past President) Juruodit Kehormat (Hononary Auditor) Ahmad Said Choo Mun Keong Jimmy Khoo Kay Khean Tan Boon Kong Lee Chai Peng Teh Guan Hoe Hamzah Mohamad Peter Chew Ahli-ahli Majlis (Councillors) 1990-92 Chin Lik Suan Teoh Lay Hock FatehChand Tan Teong Hing 1990-91 Albert Loh S. Paramananthan Nik Ramli Nik Hassan Noor Azim Ibrahim Jawatankuasa Kecil Pengarang (Editorial Subcommittee) Teh Guan Hoe (PengerusilChairman) S. Paramananthan Lee Chai Peng Lili Sulastri Tan Teong Hing Lembaga Penasihat Pengarang (Editorial Advisory Board) AwPeckChin Azhar Hj. Hussin K.R. Chakraborty Cheang Kok Keong Choong Foo Shin Choo Mun Keong Chu Leng Heng Denis Tan C.A. Foss K.F.G. Hosking C.S. Hutchison Ian Metcalfe John Kuna Raj Leong Lap Sau Shu Yoon Khoon P.H. Stauffer Tan Boon Kong H.D. Tjia Yeap Cheng Hock YinEe Heng Senathi Rajah About the Society The Society has a membership of about 600 earth scientists interested in Malaysia and other Southeast Asian regions. The membership is worldwide in distribution. For enquiries about the Society, e.g. membership, annual dues and publications, please write to: The Hon. Secretary, GEOLOGICAL SOCIETY OF MALAYSIA clo Dept. of Geology, University of Malaya. 59100 Kuala Lumpur, MALAYSIA. Tel: 03-7577036
PP 187/12189 ISSN 0126-6187 UJJ[L Q1(D(D(!} WlU BULLETIN OF THE GEOLOGICAL SOCIETY OF MALAYSIA SPECIAL ISSUE ON PETROLEUM GEOLOGY VOL. V KANDUNGAN (CONTENTS) A Triassic ''reefal" limestone in the basement of the Malay Basin, South China Sea: Regional implications Fontaine Henri, Rodziah Daud & Singh Updesh 27 Depositional environments, diagenesis, and porosity of reservoir sandstones in the MalongField, offshore West Malaysia Noor Azim Ibrahim & Mazlan Madon 57 A discussion of "SNIFFER" geochemical surveying offshore Malaysia Mark E. Geneau 76 Application of sonic waveform attributes in reservoir studies R. Gir 103 Thin bed resolution and the determination of flushed zone resistivity in oil based mud Joseph F. Goetz, Roland Chemali & DouglasJ. Seifert 117 Miocene-Pliocene paleogeographic evolution of a tract of Sarawak offshore between Bintulu and Miri Eros Agostinelli, Mohamad Raisuddin, Eugenio Antonielli & Mohamad 137 The application of detailed reservoir geological studies in the D18 Field, Balingian Province, offshore Sarawak. J. Almond, P. Vincent & L.R. Williams 161 The use of SAR imagery for hydrocarbon exploration in Sarawak Chiu Shao-Kang, Mohd Khair Ahd Kadir 183 Reservoir Description: A synergistic approach to more accurate determination of oil and gas reserves D. G. Bowen, T. Kennaird, J. Hill & E.J. Frost 211 Induction, resistivity and MWD tools in horizontal wells S. Gianzero, R. Chemali &S.M.Su 227 Structural style and tectonics of Western and Northern Sabah Felix Tongkul 241 Tectonic evolution of the NW Sabah continental margin since the Late Eocene Denis N.K. Tan & J.M. Lamy 261 The Maliau Basin, Sabah: Geology and tectonic setting H. D. Tjia, Ibrahim Komoo, P.S. Lim & Tungah Surat Editor G.H. TEH NOVEMBER 1990
Published in November 1990 by the GEOLOGICAL SOCIETY OF MALAYSIA KUALA LUMPUR This Special Publication is financed by the Society's Publication Fund and generous financial contributions from: Schlumberger (Malaysia) Sdn. Bhd. Core Laboratories (Malaysia) Sdn. Bhd. Digicon Printed by Art Printing Works Sdn Bhd 29 Jalan Riong 59100 Kuala Lumpur
Pendahuluan Buletin Khas Geologi Petroleum Jilid V ini mengandungi 13 kertas. 12 kertas telah dibentangkan di Seminar Geologi Petroleum Persatuan 1989 pada 4 dan 5hb. Disember 1989. 1 kertas lagi merupakan sumbangan daripada Seminar Geologi Petroleum 1988. Persatuan mengucapkan terima kasih kepada semua syarikat petroleum dan servis yang telah memberikan masa dan sokongan kepada pekeija-pekerjanya untuk menyediakan kertas-kertas mereka. Kesudian PETRONAS dari segi membenarkan penerbitan kertas-kertas amat dihargai. Tidakketinggalanjuga kepada semua yangtelah memberikan sumbangan kewangan kepada Tabung Penerbitan Persatuan dan pengurusan Seminar Geologi Petroleum Tahunan. Preface This Fifth Special Bulletin on Petroleum Geology contains 13 papers. 12 papers were presented at the Society's Petroleum Geology Seminar 1989, held on the 4th and 5th December 1989.c; In addition, the volume contains 1 paper from the Petroleum Geology Seminar 1988. fji The Society expresses its gratitude to the various oil companies and service organisations for allowing their personnel concerned the time and support to prepare their valuable papers and also to PETRONAS for the excellent cooperation and the release of papers that required their approval. In addition the Society records its thanks to the many donors and advertisers for their valuable contribution to the Society's Publication Fund and the running of the Annual Petroleum Geology Seminars. G.H.Teh Pengarang/Editor
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GEOLOGICAL SOCIETY OF MALAYSIA PUBLICATIONS BULLETIN OF THE GEOLOGICAL SOCIETY OF MALAYSIA WARTA GEOLOGI - NEWSLETTER OF THE GEOLOGICAL SOCIETY OF MALAYSIA ADVERTISING SPACE ORDER FORM RATES: Inside full page per issue Inside half page per issue Inside full page for 6 issues Inside half page for 6 issues WARTA GEOLOGI Format: 20 cm X 28 cm Black & White M$300 M$200 M$1500 M$IOOO Colour M$600 M$500 M$3000 M$2500 BULLETIN Format: 18 cm X 25 cm Black & White Colour M$IOOO M$500 M$1500 M$800 Artwork and positive films or slides (for colour or black & white) should be supplied by the advertiser. Please send the completed form below together with remittance payable to "Geological Society of Malaysia' to For further information, please ring 03-7577036. The Editor, Geological Society of Malaysia c/o Dept. of Geology, University of Malaya, 59100 Kuala Lumpur, Malaysia. The Editor, Geological Society of Malaysia, c/o Dept. of Geology, University of Malaya, 59100 Kuala Lumpur. We would like to take up advertising space in WARTA GEOLOGI/BULLETIN in the form (please tick as appropriate ): WART A GEOLOGI BULLETIN Black & White Colour Black & White Colour Inside full page one issue 0 one issue 0 one issue 0 one issue 0 six issues 0 six issues 0 issues 0 issues 0 Inside half page one issue 0 one issue 0 one issue 0 one issue 0 six issues 0 six issues 0 issues 0 issues 0 ArtworkIPositive film/slide* enclosed 0 not enclosed 0 Company.... Address.... Enclosed cheque/money order/bank draft*... for M$.... Person to be contacted...... Tel.... Designation... Signature.... * Please delete as appropriate
Glossary Bukit Bt. hill Genting Gtg. pass GUnung G. mountain Jalan JIn. road, street Kampung Kg. village Kuala K mouth of river Permatang Ptg. sandy ridge along coast Pulau P. island Sungai S. river Tanjung Tg. cape Teluk T. bay Barat west Barat daya southwest Barat laut northwest Batu stone Batuan / rock Besar large Kecil small. Laut sea Selat strait Selatan south Semenanjung peninsula Tasik lake Tenggara southeast Timur east Timurlaut northeast Utara north