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B. Situmorang
Research and Development Centre for Oil and Gas Technology "LEMIGAS"
Chemical Engineering, Chemistry & Bioengineering Energy

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APPLICATION OF REMOTE SENSINGTECHNIQUES IN PETROLEUM EXPLORATION : THE INDONESIAN EXPERIENCE B. Situmorang
Scientific Contributions Oil and Gas Vol 14 No 1 (1991)
Publisher : Testing Center for Oil and Gas LEMIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/SCOG.14.1.1119

Abstract

Since the seventies, remote sensing data have been widely used in petroleum exploration in Indonesia. These include Landsat. Spot and Radar imageries, apart from the conventional aerial photographs. Examples from Nias Island, East Kalimantan Basin and Irian Jaya, will be presented to show the extensive application of remote sensing techniques in general geological mapping and hydrocarbon exploration.
SEISMIC STRATIGRAPHY OF THE BAONG AND KEUTAPANG FORMATIONS, NORTH SUMATRA BASIN G. A. Kirby; B. Situmorang; B. Setiardja
Scientific Contributions Oil and Gas Vol 13 No 1 (1990)
Publisher : Testing Center for Oil and Gas LEMIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/SCOG.13.1.1135

Abstract

Examination of recently acquired seismic data in conjunction with data from boreholes in Pertamina Unit I area, North Sumatra has revealed inconsistencies in stratigraphic nomenclature. Sequences presently called Middle Baong Sandstone are broadly time equivalent to, and contiguous with the lower paris of the Keutopang sequence in the south of the area.
RECENT TECTONIC MOVEMENTS ON THE SUNDA FOREARC C. Vita-Vinzi; B. Situmorang
Scientific Contributions Oil and Gas Vol 13 No 1 (1990)
Publisher : Testing Center for Oil and Gas LEMIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/SCOG.13.1.1136

Abstract

Geological fieldwork has been carried out by Lemigas – the University of London group in Nias and Simecular Islands in 1986 and 1987.
GENERATION AND MATURATION OF HYDROCARBONS IN CEPU AREA, CENTRAL JAVA B. Situmorang; Ludin Tambunan
Scientific Contributions Oil and Gas Vol 8 No 1 (1985)
Publisher : Testing Center for Oil and Gas LEMIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/SCOG.8.1.1163

Abstract

Production from the Cepu area occurs from the Tuban and Kawengan Formations. Studies of organie richness and thermal maturity of thirty eight comventional core sanples from four wells penetrating the units by use of Rock-esal pyrolysis method reveal that a high total organic content (>0.30%) occurs in part of the Tuban Formation whereas a low total organie content (0.170.07%) is observed in the Kawengan Formation. Thermal maturity range is immature to maature with T-max ranging from 339°C to 435°C with the mature stage being confined to the Tuban Formation. The main kerogen type is structured kerogen (type III), with limited occurrence of unstructured kerogen (type II).Those results muggest that generution of gas occurred probably in the Tuban Fomation, vertically mi- grated and trapped at relatively shallow depths. It also implies that the more mature source-beds with marine kerogen could be found in the deeper sedimentary 
Co-Authors B. Setiardja C. Vita-Vinzi G. A. Kirby Ludin Tambunan