Effect of Water Infiltration, Injection Rate and Anisotropy on Hydraulic Fracturing Behavior of Granite
Hydraulic fracturing tests on Pocheon granite cylinders at seven different injection rates varying from 1 to 100 mm 3 /s were conducted. They were compared with sleeve fracturing tests in which borehole was sleeved, and therefore, water infiltration influence was excluded. Hydraulic fracturing behav...
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| Veröffentlicht in: | Rock mechanics and rock engineering 2019-02, Vol.52 (2), p.575-589 |
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| creator | Zhuang, Li Kim, Kwang Yeom Jung, Sung Gyu Diaz, Melvin Min, Ki-Bok |
| description | Hydraulic fracturing tests on Pocheon granite cylinders at seven different injection rates varying from 1 to 100 mm
3
/s were conducted. They were compared with sleeve fracturing tests in which borehole was sleeved, and therefore, water infiltration influence was excluded. Hydraulic fracturing behavior of granite is significantly influenced by water infiltration, which is closely related to the preexisting microcracks in granite as well as the cleavage anisotropy. There was a threshold injection rate to fracture the granite specimen under given stress conditions. When the injection rate is below the threshold, water infiltrated granite matrix with slow increment of injection pressure, and the specimen finally reached a full saturation without fracturing. Injection pressure developed nonlinearly with time during water infiltration, while approximately linearly when infiltration was excluded. For both hydraulic and sleeve fracturing tests, breakdown pressure increases with increasing injection rate. The breakdown pressures by sleeve fracturing were more than two times higher than those in hydraulic fracturing. X-ray computed tomography (CT) observations show that induced fractures are along the weaker cleavage parallel to the direction of the vertical stress. The higher breakdown pressure results in a larger aperture of fractures in hydraulic fracturing tests. |
| doi_str_mv | 10.1007/s00603-018-1431-3 |
| format | Article |
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3
/s were conducted. They were compared with sleeve fracturing tests in which borehole was sleeved, and therefore, water infiltration influence was excluded. Hydraulic fracturing behavior of granite is significantly influenced by water infiltration, which is closely related to the preexisting microcracks in granite as well as the cleavage anisotropy. There was a threshold injection rate to fracture the granite specimen under given stress conditions. When the injection rate is below the threshold, water infiltrated granite matrix with slow increment of injection pressure, and the specimen finally reached a full saturation without fracturing. Injection pressure developed nonlinearly with time during water infiltration, while approximately linearly when infiltration was excluded. For both hydraulic and sleeve fracturing tests, breakdown pressure increases with increasing injection rate. The breakdown pressures by sleeve fracturing were more than two times higher than those in hydraulic fracturing. X-ray computed tomography (CT) observations show that induced fractures are along the weaker cleavage parallel to the direction of the vertical stress. The higher breakdown pressure results in a larger aperture of fractures in hydraulic fracturing tests.</description><identifier>ISSN: 0723-2632</identifier><identifier>EISSN: 1434-453X</identifier><identifier>DOI: 10.1007/s00603-018-1431-3</identifier><language>eng</language><publisher>Vienna: Springer Vienna</publisher><subject>Anisotropy ; Boreholes ; Breakdown ; Civil Engineering ; Cleavage ; Computed tomography ; Cylinders ; Earth and Environmental Science ; Earth Sciences ; Fractures ; Geophysics/Geodesy ; Granite ; Hydraulic fracturing ; Infiltration ; Injection ; Injection molding ; Microcracks ; Original Paper ; Pressure ; Rocks ; Saturation ; Stone ; Tests ; Tomography ; Water ; Water filtration ; Water infiltration</subject><ispartof>Rock mechanics and rock engineering, 2019-02, Vol.52 (2), p.575-589</ispartof><rights>The Author(s) 2018</rights><rights>Rock Mechanics and Rock Engineering is a copyright of Springer, (2018). All Rights Reserved. © 2018. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c359t-c8337045a522634260fa88403378ebb820c9b330f54459a5663bfc31889971b73</citedby><cites>FETCH-LOGICAL-c359t-c8337045a522634260fa88403378ebb820c9b330f54459a5663bfc31889971b73</cites><orcidid>0000-0002-4648-7470</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00603-018-1431-3$$EPDF$$P50$$Gspringer$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00603-018-1431-3$$EHTML$$P50$$Gspringer$$Hfree_for_read</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Zhuang, Li</creatorcontrib><creatorcontrib>Kim, Kwang Yeom</creatorcontrib><creatorcontrib>Jung, Sung Gyu</creatorcontrib><creatorcontrib>Diaz, Melvin</creatorcontrib><creatorcontrib>Min, Ki-Bok</creatorcontrib><title>Effect of Water Infiltration, Injection Rate and Anisotropy on Hydraulic Fracturing Behavior of Granite</title><title>Rock mechanics and rock engineering</title><addtitle>Rock Mech Rock Eng</addtitle><description>Hydraulic fracturing tests on Pocheon granite cylinders at seven different injection rates varying from 1 to 100 mm
3
/s were conducted. They were compared with sleeve fracturing tests in which borehole was sleeved, and therefore, water infiltration influence was excluded. Hydraulic fracturing behavior of granite is significantly influenced by water infiltration, which is closely related to the preexisting microcracks in granite as well as the cleavage anisotropy. There was a threshold injection rate to fracture the granite specimen under given stress conditions. When the injection rate is below the threshold, water infiltrated granite matrix with slow increment of injection pressure, and the specimen finally reached a full saturation without fracturing. Injection pressure developed nonlinearly with time during water infiltration, while approximately linearly when infiltration was excluded. For both hydraulic and sleeve fracturing tests, breakdown pressure increases with increasing injection rate. The breakdown pressures by sleeve fracturing were more than two times higher than those in hydraulic fracturing. X-ray computed tomography (CT) observations show that induced fractures are along the weaker cleavage parallel to the direction of the vertical stress. The higher breakdown pressure results in a larger aperture of fractures in hydraulic fracturing tests.</description><subject>Anisotropy</subject><subject>Boreholes</subject><subject>Breakdown</subject><subject>Civil Engineering</subject><subject>Cleavage</subject><subject>Computed tomography</subject><subject>Cylinders</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Fractures</subject><subject>Geophysics/Geodesy</subject><subject>Granite</subject><subject>Hydraulic fracturing</subject><subject>Infiltration</subject><subject>Injection</subject><subject>Injection molding</subject><subject>Microcracks</subject><subject>Original Paper</subject><subject>Pressure</subject><subject>Rocks</subject><subject>Saturation</subject><subject>Stone</subject><subject>Tests</subject><subject>Tomography</subject><subject>Water</subject><subject>Water filtration</subject><subject>Water infiltration</subject><issn>0723-2632</issn><issn>1434-453X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>C6C</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp1UE1LAzEQDaJgrf4AbwGvRifJfmSPtfRDKAii6C1kt0lNqZs1yQr992ZZwZOn-Xjz3sw8hK4p3FGA8j4AFMAJUEFoxinhJ2iSkoxkOX8_RRMoGSes4OwcXYSwB0hgKSZotzBGNxE7g99U1B4_tsYeolfRuvY2VfuEphQ_JxSrdotnrQ0uetcdcWqvj1uv-oNt8NKrJvbetjv8oD_Ut3V-UF151dqoL9GZUYegr37jFL0uFy_zNdk8rR7nsw1peF5F0gjOS8hylbN0bMYKMEqIDFJX6LoWDJqq5hxMnmV5pfKi4LVpOBWiqkpal3yKbkbdzruvXoco9673bVopGQCjtBAg0hQdpxrvQvDayM7bT-WPkoIc_JSjnzL5KQc_JU8cNnJCNzyp_Z_y_6QfhHF2mA</recordid><startdate>20190201</startdate><enddate>20190201</enddate><creator>Zhuang, Li</creator><creator>Kim, Kwang Yeom</creator><creator>Jung, Sung Gyu</creator><creator>Diaz, Melvin</creator><creator>Min, Ki-Bok</creator><general>Springer Vienna</general><general>Springer Nature B.V</general><scope>C6C</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7TN</scope><scope>7UA</scope><scope>7XB</scope><scope>88I</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FK</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>FR3</scope><scope>GNUQQ</scope><scope>H96</scope><scope>HCIFZ</scope><scope>KR7</scope><scope>L.G</scope><scope>L6V</scope><scope>M2P</scope><scope>M7S</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PTHSS</scope><scope>Q9U</scope><orcidid>https://orcid.org/0000-0002-4648-7470</orcidid></search><sort><creationdate>20190201</creationdate><title>Effect of Water Infiltration, Injection Rate and Anisotropy on Hydraulic Fracturing Behavior of Granite</title><author>Zhuang, Li ; Kim, Kwang Yeom ; Jung, Sung Gyu ; Diaz, Melvin ; Min, Ki-Bok</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c359t-c8337045a522634260fa88403378ebb820c9b330f54459a5663bfc31889971b73</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Anisotropy</topic><topic>Boreholes</topic><topic>Breakdown</topic><topic>Civil Engineering</topic><topic>Cleavage</topic><topic>Computed tomography</topic><topic>Cylinders</topic><topic>Earth and Environmental Science</topic><topic>Earth Sciences</topic><topic>Fractures</topic><topic>Geophysics/Geodesy</topic><topic>Granite</topic><topic>Hydraulic fracturing</topic><topic>Infiltration</topic><topic>Injection</topic><topic>Injection molding</topic><topic>Microcracks</topic><topic>Original Paper</topic><topic>Pressure</topic><topic>Rocks</topic><topic>Saturation</topic><topic>Stone</topic><topic>Tests</topic><topic>Tomography</topic><topic>Water</topic><topic>Water filtration</topic><topic>Water infiltration</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhuang, Li</creatorcontrib><creatorcontrib>Kim, Kwang Yeom</creatorcontrib><creatorcontrib>Jung, Sung Gyu</creatorcontrib><creatorcontrib>Diaz, Melvin</creatorcontrib><creatorcontrib>Min, Ki-Bok</creatorcontrib><collection>Springer Nature OA/Free Journals</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Oceanic Abstracts</collection><collection>Water Resources Abstracts</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Science Database (Alumni Edition)</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>Natural Science Collection</collection><collection>Earth, Atmospheric & Aquatic Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Engineering Research Database</collection><collection>ProQuest Central Student</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>SciTech Premium Collection</collection><collection>Civil Engineering Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>ProQuest Engineering Collection</collection><collection>Science Database</collection><collection>Engineering Database</collection><collection>Earth, Atmospheric & Aquatic Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>Engineering Collection</collection><collection>ProQuest Central Basic</collection><jtitle>Rock mechanics and rock engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhuang, Li</au><au>Kim, Kwang Yeom</au><au>Jung, Sung Gyu</au><au>Diaz, Melvin</au><au>Min, Ki-Bok</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of Water Infiltration, Injection Rate and Anisotropy on Hydraulic Fracturing Behavior of Granite</atitle><jtitle>Rock mechanics and rock engineering</jtitle><stitle>Rock Mech Rock Eng</stitle><date>2019-02-01</date><risdate>2019</risdate><volume>52</volume><issue>2</issue><spage>575</spage><epage>589</epage><pages>575-589</pages><issn>0723-2632</issn><eissn>1434-453X</eissn><abstract>Hydraulic fracturing tests on Pocheon granite cylinders at seven different injection rates varying from 1 to 100 mm
3
/s were conducted. They were compared with sleeve fracturing tests in which borehole was sleeved, and therefore, water infiltration influence was excluded. Hydraulic fracturing behavior of granite is significantly influenced by water infiltration, which is closely related to the preexisting microcracks in granite as well as the cleavage anisotropy. There was a threshold injection rate to fracture the granite specimen under given stress conditions. When the injection rate is below the threshold, water infiltrated granite matrix with slow increment of injection pressure, and the specimen finally reached a full saturation without fracturing. Injection pressure developed nonlinearly with time during water infiltration, while approximately linearly when infiltration was excluded. For both hydraulic and sleeve fracturing tests, breakdown pressure increases with increasing injection rate. The breakdown pressures by sleeve fracturing were more than two times higher than those in hydraulic fracturing. X-ray computed tomography (CT) observations show that induced fractures are along the weaker cleavage parallel to the direction of the vertical stress. The higher breakdown pressure results in a larger aperture of fractures in hydraulic fracturing tests.</abstract><cop>Vienna</cop><pub>Springer Vienna</pub><doi>10.1007/s00603-018-1431-3</doi><tpages>15</tpages><orcidid>https://orcid.org/0000-0002-4648-7470</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Anisotropy Boreholes Breakdown Civil Engineering Cleavage Computed tomography Cylinders Earth and Environmental Science Earth Sciences Fractures Geophysics/Geodesy Granite Hydraulic fracturing Infiltration Injection Injection molding Microcracks Original Paper Pressure Rocks Saturation Stone Tests Tomography Water Water filtration Water infiltration |
| title | Effect of Water Infiltration, Injection Rate and Anisotropy on Hydraulic Fracturing Behavior of Granite |
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