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Scientific Contributions Oil and Gas
Published by LEMIGAS
ISSN : 20893361     EISSN : 25410520     DOI : -
Core Subject : Science, Engineering,
Chemical Engineering, Chemistry & Bioengineering Energy
The Scientific Contributions for Oil and Gas is the official journal of the Testing Center for Oil and Gas LEMIGAS for the dissemination of information on research activities, technology engineering development and laboratory testing in the oil and gas field. Manuscripts in English are accepted from all in any institutions, college and industry oil and gas throughout the country and overseas.
Arjuna Subject : Energi (semua kategori) - Teknologi Bahan Bakar
Articles 5 Documents
 1 
Search results for , issue "Vol 36 No 1 (2013)" : 5 Documents clear
A SYSTEMATIC APPROACH TO SOURCE-SINK MATCHING FOR CO2 EOR AND SEQUESTRATION Usman Pasarai; Utomo Pratama Iskandar; Sugihardjo Sugihardjo; Herru Lastiadi S
Scientific Contributions Oil and Gas Vol 36 No 1 (2013)
Publisher : Testing Center for Oil and Gas LEMIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/SCOG.36.1.640

Abstract

Carbon dioxide for enhanced oil recovery (CO2 EOR) can magnify oil production substantially while aconsistent amount of the CO2 injected remains sequestrated in the reservoir, which is benefi cial for reducingthe greenhouse gas (GHG) emission. The success of CO2 EOR sequestration depends on the proper sourcessinksintegration. This paper presents a systematic approach to pairing the CO2 captured from industrialactivities with oil reservoirs in South Sumatra basin for pilot project. Inventories of CO2 sources and oilreservoirs were done through survey and data questionnaires. The process of sources-sinks matching waspreceded by scoring and ranking of sources and sinks using criteria specifi cally developed for CO2 EORand sequestration. The top candidate of CO2 sources are matched to several best sinks that correspond toadded value, timing, injectivity, containment, and proximity. Two possible scenarios emerge for the initialpilot where the CO2 will be supplied from the gas gathering station (GGS) while the H3 and F21 oil fi eldsas the sinks. The pilot is intended to facilitate further commercial deployment of CO2 EOR sequestrationin the South Sumatera basin that was confi rmed has abundant EOR and storage sinks as well as industrialCO2 sources.
PALM OIL BIODIESEL: CHALLENGES, RISKS AND OPPORTUNITIES FOR REDUCING AND REPLACING THE NON-RENEWABLE FOSSIL FUEL DEPENDANCY - A REVIEW Erinto Simbolon; Lies Aisyah
Scientific Contributions Oil and Gas Vol 36 No 1 (2013)
Publisher : Testing Center for Oil and Gas LEMIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/SCOG.36.1.645

Abstract

Biodiesel is a renewable source of energy which is expected to play a signifi cant role for reducing andreplacing the existing non-renewable fossil fuels. Palm oil is one source of biodiesel feed stock which hasbeen used for many years and gave so many advantages such as high oil yield, cheap to produce and torefi ne, has similar characteristics with petroleum-derived diesel, and has lower emission. However, someissues, such as food stock security, land use changes, and biodiversity extinction, have arisen which needto be considered and solved wisely. Life cycle assessment (LCA) study shows a positive net energy and anet positive sequestration on GHG emission (up to some level of conversion from palm oil to biodiesel)which means biodiesel from palm oil has a high potential to replace fossil fuel and also an environmentalfriendly fuel.
SUITABILITY ASSESSMENT AND STORAGE CAPACITY ESTIMATES OF RAMBUTAN COAL SEAMS FOR CO2 STORAGE Utomo Pratama Iskandar
Scientific Contributions Oil and Gas Vol 36 No 1 (2013)
Publisher : Testing Center for Oil and Gas LEMIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/SCOG.36.1.648

Abstract

Coal seams are an alternative storage options besides depleted oil and gas reservoirs and deep salineformations. They are suitable to different degrees for CO2 geological storage as a result of various intrinsicand extrinsic. The potential use of this geological media requires suitability assessment and the amountof CO2 can be stored. This paper presents the fi rst attempt to evaluate the characteristics of coal seams inRambutan Field, South Sumatera, in terms of their suitability for CO2 storage and the potential storagecapacity. A set of 5 semi-qualitative criteria has been developed for the assessment of 4 seams that includespermeability, coal geometry, structure, homogeneity and depth. CO2 adsorption capacity estimates werederived from laboratory experiment by employing Isothermal Langmuir. The results show the 4 seams ingeneral are suitable for CO2 storage. The adsorption capacity from seam 2, 3, 5 and P are 22.18, 25.09,24.53, and 34.12 m3/t dry-ash-free basis respectively. The highest CO2 storage capacity can be stored atseam P enabling the CO2 in dense phase (supercritical).
THE CHARACTERISTICS OF A MIXTURE OF KEROSENE AND BIODIESEL AS A SUBSTITUTED DIESEL FUEL Oberlin Sidjabat
Scientific Contributions Oil and Gas Vol 36 No 1 (2013)
Publisher : Testing Center for Oil and Gas LEMIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/SCOG.36.1.649

Abstract

Physicochemical properties characterization a mixture of biodiesel and kerosene were carried out toinvestigate their potential use as a substituted diesel fuel for domestic purposes. The characteristic assessmentswere done by comparing the standard requirement for diesel fuel. The properties characterization of thebiodiesel blends with kerosene were density, viscosity, pour point, cloud point, distillation, and cetane number,which is related to the cold fl ow properties of biodiesel. The characteristics fuel property of biodiesel blendswith kerosene in proportion at 2.5:97.5, 5:95, 10:90, 15:85, 20:80, 30:70, and 50:50 was found mostlymeet the requirement the specifi cation of diesel fuel. Biodiesel is mixed with kerosene to bring many of thebenefi cial characteristics to be a substituted diesel fuel. Overall physicochemical characteristics of blendingfuel were reduced by the increasing of kerosene concentrations. Kerosene can play a role as a diluent agentto reduce the characteristic of cold fl ow properties of biodiesel.
INTEGRATION OF GEOLOGY AND PETROLEUM ENGINEERING ASPECTS FOR CARBONATES ROCK TYPING Andy Setyo Wibowo
Scientific Contributions Oil and Gas Vol 36 No 1 (2013)
Publisher : Testing Center for Oil and Gas LEMIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/SCOG.36.1.650

Abstract

Carbonate rocks are highly heterogeneous. That which leads to rock typing of carbonate rocks is noteasy to do even by integrating static and dynamic properties of rocks. In accordance with the defi nition ofrock types that are commonly used, rocks or parts of rocks that have been deposited in the same environmentand experienced similar diagenetic process have similar physical characteristics, such as grain orrock fabric texture, pore geometry and structure pores, then the characters that will be used as the basisfor determining rock types. The use of rock fabric has been performed by many previous researchers. Whilethe use of attributes in the rock pores typing is still limited and more emphasis on engineering purposes.The objective of this study is to integrate all three of these characteristics in the determination ofrock typing. Theories that have been established and related to fl uid fl ow in capillaries and porousmedia that will be used to characterize the pore geometry and pore structure. Furthermore, thecharacteristics of the geological evidence will be conducted using core description, petrographyand other data to obtain the relationship between aspects engineering and aspects geology inaccordance with concept or defi nition of rock type in question. In rock typing, permeability and porosity characterize the pore geometry and pore structure. This study proves that there is a strongrelationship between the characteristics of the detail geological and architecture pores. Thus,the resulting methodologies rock typing can be universal with respect to aspects of geology andpetroleum engineering.

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