Soil moisture mapping in the Selhausen field with slim-line logging tool
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| Title: | Main Title: Soil moisture mapping in the Selhausen field with slim-line logging tool |
| Description: | Abstract: Nuclear Magnetic Resonance (NMR) is routinely applied in petroleum industry to characterize oil wells by estimating the rock permeability [1, 2]. It is a powerful method to measure the dynamics of fluids in porous media like soil with a so-called inside-out NMR logging sensor. The evaluation and management of ground water is quite important for assessment of climate conditions and crop production. Monitoring the evolution of the moisture content in ground soils is the key for assessing the subsurface soil properties in hydrology and agriculture. The NMR logging tool was specifically designed for near-surface applications in shallow boreholes. NMR logging for which a tool was developed for field measurement shows particular advantages over other methods. First, the NMR measurement of moisture content is not affected by ions in solution due to the NMR signal mainly coming from atomic nuclei (the protons of water). Secondly, the NMR measurement tool can easily fit into a small-diameter hole apart from drilling a hole and measured in field in a non-destructive way the fluid and matrix properties in a well-defined sensitive volume distance from the magnet. |
| Citation Advice: | [1] I. Hidajat, M. Singh, J. Cooper, K. Mohanty, Permeability of porous media from simulated NMR response. Transport in Porous Media. 48 (2002) 225-247. [2] G. J. Hirasaki, S. W. Lo, Y. Zhang, NMR properties of petroleum reservoir fluids. Magnetic Resonance Imaging. 21 (2003) 269-277. |
Responsible Party
| Creator: | Xin Cai (Principal Investigator) |
| Contributors: | Baoxin Guo (Related Person), Markus Küppers (Related Person), Bernhard Blümich (Supervisor) |
| Publisher: | CRC/TR32 Database (TR32DB) |
| Publication Year: | 2016 |
Topic
| TR32 Topic: | Soil |
| Related Subprojects: | B7, A1 |
| Subjects: | Keywords: Soil Profile, Soil Water Content |
| Geogr. Information Topic: | Climatology/Meteorology/Atmosphere |
File Details
| Filename: | 3thPhDreportTR32B7XinCaiBBfertig.pdf |
| Data Type: | Dataset - Dataset |
| File Size: | 608 KB |
| Date: | Available: 19.11.2015 |
| Mime Type: | application/pdf |
| Data Format: | |
| Language: | English |
| Status: | Completed |
Constraints
| Download Permission: | Only Project Members |
| General Access and Use Conditions: | According to the TR32DB data policy agreement. |
| Access Limitations: | According to the TR32DB data policy agreement. |
| Licence: | [TR32DB] Data policy agreement |
Geographic
Specific Information - Report
| Report Date: | 19th of November, 2015 |
| Report Type: | PhD Report |
| Report City: | Aachen |
| Report Institution: | Institute for Technische und Makromolekulare Chemie |
Metadata Details
| Metadata Creator: | Xin Cai |
| Metadata Created: | 02.05.2016 |
| Metadata Last Updated: | 02.05.2016 |
| Subproject: | B7 |
| Funding Phase: | 2 |
| Metadata Language: | English |
| Metadata Version: | V50 |
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| Metadata Downloads: | 0 |
| Dataset Downloads: | 2 |
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