Volumetric imaging of aperture distributions in connected fracture networks
We use x‐ray computerized tomographic (CT) imaging to present quantitative aperture data for three‐dimensional interconnected fracture networks imbedded in intact opaque rock samples several centimeters in length. X‐ray images are obtained by injecting a high‐density liquid metal into the fractured...
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| Veröffentlicht in: | Geophysical research letters 1997-09, Vol.24 (18), p.2343-2346 |
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| container_title | Geophysical research letters |
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| creator | Pyrak-Nolte, Laura J. Montemagno, Carlo D. Nolte, David D. |
| description | We use x‐ray computerized tomographic (CT) imaging to present quantitative aperture data for three‐dimensional interconnected fracture networks imbedded in intact opaque rock samples several centimeters in length. X‐ray images are obtained by injecting a high‐density liquid metal into the fractured rock specimen under lithostatic conditions. The combination of tomographic reconstruction with gravimetric analysis makes it possible for the first time to obtain effective fracture aperture sizes to an accuracy of only several microns, located spatially within 300 microns. The apertures in the fracture network are spatially correlated over distances of 10 mm to 30 mm. The apertures of the intersections of the fractures were not found to be statistically larger in size than for the complete fracture network |
| doi_str_mv | 10.1029/97GL02057 |
| format | Article |
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X‐ray images are obtained by injecting a high‐density liquid metal into the fractured rock specimen under lithostatic conditions. The combination of tomographic reconstruction with gravimetric analysis makes it possible for the first time to obtain effective fracture aperture sizes to an accuracy of only several microns, located spatially within 300 microns. The apertures in the fracture network are spatially correlated over distances of 10 mm to 30 mm. The apertures of the intersections of the fractures were not found to be statistically larger in size than for the complete fracture network</description><identifier>ISSN: 0094-8276</identifier><identifier>EISSN: 1944-8007</identifier><identifier>DOI: 10.1029/97GL02057</identifier><identifier>CODEN: GPRLAJ</identifier><language>eng</language><publisher>Washington, DC: Blackwell Publishing Ltd</publisher><subject>Earth sciences ; Earth, ocean, space ; Exact sciences and technology ; Tectonics. Structural geology. 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Res. Lett</addtitle><description>We use x‐ray computerized tomographic (CT) imaging to present quantitative aperture data for three‐dimensional interconnected fracture networks imbedded in intact opaque rock samples several centimeters in length. X‐ray images are obtained by injecting a high‐density liquid metal into the fractured rock specimen under lithostatic conditions. The combination of tomographic reconstruction with gravimetric analysis makes it possible for the first time to obtain effective fracture aperture sizes to an accuracy of only several microns, located spatially within 300 microns. The apertures in the fracture network are spatially correlated over distances of 10 mm to 30 mm. The apertures of the intersections of the fractures were not found to be statistically larger in size than for the complete fracture network</description><subject>Earth sciences</subject><subject>Earth, ocean, space</subject><subject>Exact sciences and technology</subject><subject>Tectonics. Structural geology. Plate tectonics</subject><issn>0094-8276</issn><issn>1944-8007</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1997</creationdate><recordtype>article</recordtype><recordid>eNp1kLFOwzAQhi0EEqUw8AYZWBhCz45jOyOqaEANICGgbJbj2JVpSCo7VenbkxLUjelOuu_7dfoRusRwg4Fkk4znBRBI-REa4YzSWADwYzQCyPqdcHaKzkL4BIAEEjxC8_e23nyZzjsduS-1dM0yam2k1sZ3G2-iyoX-Vm461zYhck2k26YxujNVZL3Sv0xjum3rV-EcnVhVB3PxN8fobXb3Or2Pi-f8YXpbxJpSgDhTrOJlVaaCAQOLsc2wBlpRVrIytURgQ5OUKaZtSZjOCBgBwnCuMRWaQjJG10Ou9m0I3li59v3vficxyH0L8tBCz14N7FoFrer-50a7cBCIICwR-8jJgG1dbXb_58n8pcAwGPFg9AWZ74Oh_EoynvBULp5yOaPTx48Fn8l58gO-Inl5</recordid><startdate>19970915</startdate><enddate>19970915</enddate><creator>Pyrak-Nolte, Laura J.</creator><creator>Montemagno, Carlo D.</creator><creator>Nolte, David D.</creator><general>Blackwell Publishing Ltd</general><general>American Geophysical Union</general><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>19970915</creationdate><title>Volumetric imaging of aperture distributions in connected fracture networks</title><author>Pyrak-Nolte, Laura J. ; Montemagno, Carlo D. ; Nolte, David D.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4400-9a6d7bdb586060f11f91c04d46b6b5f281e4356a6cfb26c920e808e77c148c403</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1997</creationdate><topic>Earth sciences</topic><topic>Earth, ocean, space</topic><topic>Exact sciences and technology</topic><topic>Tectonics. Structural geology. Plate tectonics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Pyrak-Nolte, Laura J.</creatorcontrib><creatorcontrib>Montemagno, Carlo D.</creatorcontrib><creatorcontrib>Nolte, David D.</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><jtitle>Geophysical research letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Pyrak-Nolte, Laura J.</au><au>Montemagno, Carlo D.</au><au>Nolte, David D.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Volumetric imaging of aperture distributions in connected fracture networks</atitle><jtitle>Geophysical research letters</jtitle><addtitle>Geophys. Res. Lett</addtitle><date>1997-09-15</date><risdate>1997</risdate><volume>24</volume><issue>18</issue><spage>2343</spage><epage>2346</epage><pages>2343-2346</pages><issn>0094-8276</issn><eissn>1944-8007</eissn><coden>GPRLAJ</coden><abstract>We use x‐ray computerized tomographic (CT) imaging to present quantitative aperture data for three‐dimensional interconnected fracture networks imbedded in intact opaque rock samples several centimeters in length. X‐ray images are obtained by injecting a high‐density liquid metal into the fractured rock specimen under lithostatic conditions. The combination of tomographic reconstruction with gravimetric analysis makes it possible for the first time to obtain effective fracture aperture sizes to an accuracy of only several microns, located spatially within 300 microns. The apertures in the fracture network are spatially correlated over distances of 10 mm to 30 mm. The apertures of the intersections of the fractures were not found to be statistically larger in size than for the complete fracture network</abstract><cop>Washington, DC</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1029/97GL02057</doi><tpages>4</tpages></addata></record> |
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| ispartof | Geophysical research letters, 1997-09, Vol.24 (18), p.2343-2346 |
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| language | eng |
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| source | Wiley Free Content; Wiley-Blackwell AGU Digital Library; Wiley Online Library Journals Frontfile Complete; EZB-FREE-00999 freely available EZB journals |
| subjects | Earth sciences Earth, ocean, space Exact sciences and technology Tectonics. Structural geology. Plate tectonics |
| title | Volumetric imaging of aperture distributions in connected fracture networks |
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