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Basement is one of the explorational targets of non-conventional energy and fracture plays an important role in providing the storage and permeability of hydrocarbons in these rocks. Therefore, in order to understand the subsurface fracture characteristics, some initial data are required as a refere...
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id-itb.:185432017-09-27T11:46:46Z#TITLE_ALTERNATIVE# AGROLI (NIM:12010041), GERI Indonesia Final Project INSTITUT TEKNOLOGI BANDUNG https://digilib.itb.ac.id/gdl/view/18543 Basement is one of the explorational targets of non-conventional energy and fracture plays an important role in providing the storage and permeability of hydrocarbons in these rocks. Therefore, in order to understand the subsurface fracture characteristics, some initial data are required as a reference to create the fracture <br /> <br /> <br /> <br /> <br /> <br /> models, one of which is outcrop data. This research is conducted in Indarung, Padang, West Sumatera. Here, the basement making up Sumatera Island is well exposed, <br /> <br /> <br /> <br /> <br /> <br /> known as Woyla Group. This research will be focused on mapping the research area within ±66,6 km2 and fracture characterization in limestone that is part of Woyla Group it self. <br /> <br /> <br /> <br /> <br /> <br /> The research methodology used are data field collection, then laboratory analysis and studio. This is conducted in order to produce a geological map, geomorphological map and fracture characterization within research area. <br /> <br /> <br /> <br /> <br /> <br /> The Geomorphical units in the research area are Volcanic Hills Unit, Karst Hills Unit, Homoclinal Hills Unit and Aluvial Plain. The geomorphic phase of the research area is young to middle phase. Drainage's patterns of the area are identified as radial and rectangular patterns. Stratigraphy of the research area is divided into four <br /> <br /> <br /> <br /> <br /> <br /> unofficial units, from old to young, those are; Basement Unit (Middle Jura-Early Cretacous), Andesite’s Lava Unit (Early Miocene–Late Miocene), Tuff Unit (Early Pliocene-Late Pliocene), and Aluvial Unit (Quarternery). Geological structures developed in the research area consist of a SW-NE trending dextral strike-slip fault, NW-SE trending sinistral strike-slip fault, NE-SW trending normal Fault and ENEWSW trending thrust fault. <br /> <br /> <br /> <br /> <br /> <br /> Fracture developed in the resesarch area consists of shear fracture, extension fracture and stylolite. Based on fracture spacing, fracture’s aperture and length are <br /> <br /> <br /> <br /> <br /> <br /> analyzed using cummulative distribution. Fracture distribution obtained for each parameter following the power-law distribution and in fractal or scale-invariant <br /> <br /> <br /> <br /> <br /> <br /> condition. For further research, this distribution can be used on a wider observation scale, such as basin scale. text |
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Basement is one of the explorational targets of non-conventional energy and fracture plays an important role in providing the storage and permeability of hydrocarbons in these rocks. Therefore, in order to understand the subsurface fracture characteristics, some initial data are required as a reference to create the fracture <br />
<br />
<br />
<br />
<br />
<br />
models, one of which is outcrop data. This research is conducted in Indarung, Padang, West Sumatera. Here, the basement making up Sumatera Island is well exposed, <br />
<br />
<br />
<br />
<br />
<br />
known as Woyla Group. This research will be focused on mapping the research area within ±66,6 km2 and fracture characterization in limestone that is part of Woyla Group it self. <br />
<br />
<br />
<br />
<br />
<br />
The research methodology used are data field collection, then laboratory analysis and studio. This is conducted in order to produce a geological map, geomorphological map and fracture characterization within research area. <br />
<br />
<br />
<br />
<br />
<br />
The Geomorphical units in the research area are Volcanic Hills Unit, Karst Hills Unit, Homoclinal Hills Unit and Aluvial Plain. The geomorphic phase of the research area is young to middle phase. Drainage's patterns of the area are identified as radial and rectangular patterns. Stratigraphy of the research area is divided into four <br />
<br />
<br />
<br />
<br />
<br />
unofficial units, from old to young, those are; Basement Unit (Middle Jura-Early Cretacous), Andesite’s Lava Unit (Early Miocene–Late Miocene), Tuff Unit (Early Pliocene-Late Pliocene), and Aluvial Unit (Quarternery). Geological structures developed in the research area consist of a SW-NE trending dextral strike-slip fault, NW-SE trending sinistral strike-slip fault, NE-SW trending normal Fault and ENEWSW trending thrust fault. <br />
<br />
<br />
<br />
<br />
<br />
Fracture developed in the resesarch area consists of shear fracture, extension fracture and stylolite. Based on fracture spacing, fracture’s aperture and length are <br />
<br />
<br />
<br />
<br />
<br />
analyzed using cummulative distribution. Fracture distribution obtained for each parameter following the power-law distribution and in fractal or scale-invariant <br />
<br />
<br />
<br />
<br />
<br />
condition. For further research, this distribution can be used on a wider observation scale, such as basin scale. |
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AGROLI (NIM:12010041), GERI |
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AGROLI (NIM:12010041), GERI #TITLE_ALTERNATIVE# |
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AGROLI (NIM:12010041), GERI |
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AGROLI (NIM:12010041), GERI |
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https://digilib.itb.ac.id/gdl/view/18543 |
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