Articles
APPROPRIATE DATA PREPARATION FOR POLYMER FLOOD PROCESS
Herlan Adim
Scientific Contributions Oil and Gas Vol 26 No 1 (2003)
Publisher : Testing Center for Oil and Gas LEMIGAS
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DOI: 10.29017/SCOG.26.1.992
Oil production from reservoirs by natural (primary) drive mechanisms is often an inefficient process which may leave considerably more “residual†oil trapping behind the reservoir than can improve mobility and sweep efficiency where permeability variation occurs. Polymer flood recovery.
METHOD OF LABORATORY ANALYSIS FOR OIL SHALE ASSAY
Herlan Adim
Scientific Contributions Oil and Gas Vol 27 No 1 (2004)
Publisher : Testing Center for Oil and Gas LEMIGAS
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DOI: 10.29017/SCOG.27.1.1047
Oil shale is much commoner than is generally realized, occuring on every continent and in every geological system. They are misnamed, but it is unlikely that any more appropriate name will be acceptable either to geologists. Few important deposits actually consist of shales and even fewer have yielded any oil. In the conventional sense most "oil shale" is actually bituminous, nonmarine limestones or marlstones containing kerogen. Only a few marine examples can be properly described as shales. The common composition involves about 50 percent of mineral carbonates by weight. A variety of silicates may also be present, possibly derived from the reaction of circulating alkaline waters with volcanic debris.
AN EMPIRICAL APPROACH ON LABOUR COSTS FOR OIL FIELD DEVELOPMENT PLANNING
Herlan Adim
Scientific Contributions Oil and Gas Vol 25 No 1 (2002)
Publisher : Testing Center for Oil and Gas LEMIGAS
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DOI: 10.29017/SCOG.25.1.1061
In planning the development of an oil reservoir, the guidelines should be the annual production targets for a five-year period and for the year when development is scheduled to reach its peak. The production targets must be coordinated with the planned development of the oil industry as a whole. The planned oil production targets for the industry as a whole must be apportioned between different oil-bearing areas and different fields within an area. The development plan for each field should ensure the most efficient production, i.e, at the lowest possible cost. The recommended procedure is first to have a wide grid of wells so as to get a better idea of the reservoir and to finalise the spacing of the planned wells.
PRELIMINARY CORE PREPARATION FOR SPECIAL CORE ANALYSIS-GUIDELINES
Herlan Adim
Scientific Contributions Oil and Gas Vol 24 No 1 (2001)
Publisher : Testing Center for Oil and Gas LEMIGAS
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DOI: 10.29017/SCOG.24.1.1076
The application of core analysis to provide data for reservoir evaluation is not a new science but has seen continued research activity over along period. Core analysis is complex containing many stages between the reservoir and the final measurements and interpretation. To ensure the data produced is valid, every step along this phase must be handled with equal attention. Recently developed techniques of measuring certain special core analysis of rock formation are being perfected. The objective of this paper is to provide information that will be of practical value to geologists and engineers involved with preliminary core preparation program. Following is a guideline for preliminary special core preparation. The step by step outline presented below is a suggested guideline and, most certainly, modifications and or changes may be made. However, this guideline has been found to be very successful for laboratory works.
PRELIMINARY CORE PREPARATION FOR SPECIAL CORE ANALYSIS-GUIDELINES
Herlan Adim
Scientific Contributions Oil and Gas Vol 23 No 1 (2000)
Publisher : Testing Center for Oil and Gas LEMIGAS
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DOI: 10.29017/SCOG.23.1.1077
The application of core analysis to provide data for reservoir evaluation is not a new science but has seen continued research activity over along period. Core analysis is complex containing many stages between the reservoir and the final measurements and interpretation. To ensure the data produced is valid, every step along this phase must be handled with equal attention. Recently developed techniques of measuring certain special core analysis of rock formation are being perfected. The objective of this paper is to provide information that will be of practical value to geologists and engineers involved with preliminary core preparation program. Following is a guideline for preliminary special core preparation. The step by step outline presented below is a suggested guideline and, most certainly, modifications and or changes may be made. However, this guideline has been found to be very successful for laboratory works.
A HYPOTHETICAL COMBINATION METHOD TO PROVIDE DATA FOR FORMATION WATER COMPATIBILITY
Herlan Adim
Scientific Contributions Oil and Gas Vol 22 No 1 (1999)
Publisher : Testing Center for Oil and Gas LEMIGAS
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DOI: 10.29017/SCOG.22.1.1095
Industrial Water Technology, information concerning formation water, is required primarily in water injection projects to define the possibility of injection well plugging.
SOME LIMITATIONS OF ENHANCED OIL RECOVERY IN INDONESIA
Herlan Adim
Scientific Contributions Oil and Gas Vol 17 No 1 (1994)
Publisher : Testing Center for Oil and Gas LEMIGAS
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DOI: 10.29017/SCOG.17.1.1105
Enhanced Oil Recovery (EOR) technologies are now being developed year by year. Some of technologies are already applied in pilot or commercial scale in actual oilfields. Meanwhile, conditions for the exploration of new oil fields are becoming more severe. Accordingly the qualification as being an operator in many oil companies is going to be justified in terms of their capability in EOR technology in addition to the capability of exploring new oil fields.
LABORATORY STUDIES OF WATERFLOOD FROM OIL RESERVOIRS IN INDONESIA
Herlan Adim
Scientific Contributions Oil and Gas Vol 16 No 1 (1993)
Publisher : Testing Center for Oil and Gas LEMIGAS
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DOI: 10.29017/SCOG.16.1.1110
The continual shortage of domestic crude oil requires optimum oil and gas conservation practices to ensure maximum recovery from the reservoirs. Oil production from reservoirs by natural (primary) drive mechanisms is often an inefficient process which may leave considerably more “residual†oil trapped behind the reservoirs than can be produced.
CAPABILITY OF LEMIGAS LABORATORIES IN SUPORTING EOR STUDIES*
Rachmat Sudibjo;
Herlan Adim
Scientific Contributions Oil and Gas Vol 15 No 1 (1992)
Publisher : Testing Center for Oil and Gas LEMIGAS
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DOI: 10.29017/SCOG.15.1.1114
Eor methods hold the promise of adding to the production levels and reserve base of world’s maturing oil fields. In Indonesia, very few EOR project have been under taken, only few of the EOR methods that have been evaluated in the laboratory and tested in the field.