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Utilization of vegetation indices to interpret the possibility of oil and gas microseepages at ground surface
Tri Muji Susantoro, Ketut Wikantika, Asep Saepuloh, Agus Handoyo Harsolumakso

Center for Remote Sensing, Bandung Institute of Technology (ITB), Indonesia
Research and Development Center for Oil and Gas Technology “LEMIGAS”, Ministry of Energy and Mineral Resources, Indonesia
Faculty of Earth Sciences and Technology, Bandung Institute of Technology (ITB), Indonesia
ForMIND Institute (Indonesian Young Researcher Forum)

Microseepages is one way to identify the existence of oil and gas below the surface of the earth. Identification of microseepages could be done using remote sensing approaches. One of the remote sensing data that can be used is Landsat 8. The purpose of this study is to map the potential of microseepages on the ground surface of Tugu Barat oil and gas field, North West Java Basin, Indonesia. The Landsat 8 data processing were performed including radiometric and geometric corrections, and vegetation indices calculation. The indices calculated in this study are Normalized Differences Vegetation Index (NDVI), Enhanced Normalized Differences Vegetation Index (ENDVI) and Leaf Area Index (LAI). Based on the vegetation indices, we detected that physical condition of vegetation anomaly served as microseepages location. The results showed that microseepages is identified in the south to the east of the oil and gas field presented by vegetation anomaly. Field survey confirmed the possibility of microseepages is located at yellowish leaf vegetation, high spectral of the leaf at the visible wavelength and low magnetic susceptibility

Topic: Geographical Information Science and Remote Sensing

PermaLink: http://igeos.conference.upi.edu/kfz/pages/abstract.php?id=260

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