Zobrazeno 1 - 10
of 46
pro vyhledávání: '"IK WOO"'
Publikováno v:
Geological Journal. 58:1727-1740
We introduce the recent construction and current status of a deep underground microgravity laboratory, YeMiGO (Yemi Micro-Gravity Observatory), in South Korea. On October 2022, YeMiGO was built at the YemiLab in Jeongseon-gun, Gangwon-do Province, ea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5921e27e409c96e974bd35b16d1b6256
https://doi.org/10.5194/egusphere-egu23-10359
https://doi.org/10.5194/egusphere-egu23-10359
Autor:
Ik Woo
The pore size and the distribution of individual or connected pores contribute to the porosity in a rock which is closely related to rock weathering degree and rock strength. The chemical reaction is normally higher for the larger specific surface ar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::13c2be96f3884524dbab9a24af183cb9
https://doi.org/10.5194/egusphere-egu23-1518
https://doi.org/10.5194/egusphere-egu23-1518
Publikováno v:
Day 2 Tue, November 01, 2022.
A gravity inversion technique using Deep Neural Networks (DNN) was developed to construct the 2D basement topography in offshore Abu Dhabi, UAE. Forward model parameters are set based on the geological features in the study area. Hundreds of thousand
Dynamic Error Analysis of Measurement While Drilling Using Variable Geomagnetic In-Field Referencing
Autor:
Elena Rangelova, Jeong Woo Kim, Hojjat Kabirzadeh, Yu Zhang, Ik Woo, Gyoo Ho Lee, Jaehoon Jeong
Publikováno v:
SPE Journal. 23:2327-2338
Summary The safe and economical determination of a wellbore trajectory in directional drilling is traditionally achieved by measurement-while-drilling (MWD) methods, which implement magnetic north-seeking sensor packages. Inaccuracies in the determin
Autor:
Zahra B. Ashena, Ik Woo, Gyoo Ho Lee, Jeong Woo Kim, Xin Wang, Hojjat Kabirzadeh, Mohammad Ali
Publikováno v:
Day 2 Tue, November 12, 2019.
Unsupervised learning technique was implemented to delineate locations of potential hydrocarbon reservoirs at offshore Abu Dhabi, U.A.E. Integrating several geophysical observations that are sensitive to different physical parameters in a single sche
Autor:
Gun-Hyung Lee, Ik Woo
Publikováno v:
Korean Journal of Nature Conservation. 10:101-110
Autor:
Hojjat Kabirzadeh, Tae Han Song, Ik Woo, Elena Rangelova, Gyoo Ho Lee, Jaehoon Jeong, Jeong Woo Kim
Publikováno v:
Scopus-Elsevier
Safe and economical determination of wellpath in directional drilling is traditionally achieved by the measurement-while-drilling (MWD) method which implements geopotential sensors, i.e., magnetometers and accelerometers. However, inaccuracies in det
Autor:
Ik Woo
Publikováno v:
The Journal of Engineering Geology. 25:499-510
Artificial accelerated weathering test evaluated rocks from near the circuit road of Ulleungdo island, approximately 120 km from east of the Korean Peninsula. The tests subjected rock specimens to conditions based on the climate of the island. The sp
Autor:
Ik Woo
Publikováno v:
Journal of Korean Society For Rock Mechanics. 25:487-495
The specification for selecting railway ballast in France is introduced in this study and the effectiveness of selection for railway ballast is studied for the case of a quarry located in northen France. The quality of railway ballast is, in general,