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Çѱ¹Áö¹Ý°øÇÐȸ / v.21, no.9, 2005³â, pp.45-52
´ÙÁßÀ¸·Î ºÐÇÒµÈ ¼ö¾ÐÆÄ¼â±Õ¿­ÀÇ »óÈ£ÀÛ¿ë¿¡ °üÇÑ ¿¬±¸
( A Study on the Interaction of Segmented Hydraulic Fractures )
½É¿µÁ¾;±èÈ«ÅÃ; Çѱ¹°úÇбâ¼ú¿ø ½º¸¶Æ® »çȸ±â¹Ý½Ã¼³ ¿¬±¸¼¾ÅÍ ¿¬¼ö¿¬±¸¿ø;È«ÀÍ´ëÇб³ Åä¸ñ°øÇаú;
 
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ÃÖ±Ù ÁöÁúÇÐÀû Áõ°Å, ½Ç³» ¹× ÇöÀå ½ÇÇèÀ» ÅëÇØ º¹ÀâÇÑ ÇüÅÂÀÇ ºÐÇÒµÈ ¼ö¾ÐÆÄ¼â±Õ¿­ÀÌ ¾Ï¹Ý¿¡¼­ ÀÚÁÖ °üÂûµÇ°í ÀÖ´Ù. ÀÌ·¯ÇÑ ¼ö¾ÐÆÄ¼â±Õ¿­ÀÇ ºÐÇÒÀº ±Õ¿­°£ÀÇ ±â°èÀû »óÈ£ÀÛ¿ëÀ» À¯¹ßÇÏ¸ç ±Õ¿­ÀÇ ÆøÀ̳ª ÃøÁ¤µÇ´Â ¾Ð·Â¿¡ »ó´çÇÑ ¿µÇâÀ» ¹ÌÄ¥ °ÍÀ¸·Î ¿¹»óµÈ´Ù. µû¶ó¼­ º» ¿¬±¸´Â ±Õ¿­°£ÀÇ »óÈ£ÀÛ¿ëÀ» Á¤·®È­Çϱâ À§ÇÏ¿© ¼ö¾ÐÆÄ¼â¿¡ ÀÇÇØ ´ÙÁßÀ¸·Î ºÐÇÒµÈ ÃѺ¯À§¸¦ °æ°èº´Ä¡¹ýÀ» »ç¿ëÇÏ¿© °è»êÇÏ¿´´Ù. ¶ÇÇÑ ±âÁ¸ÀÇ °æ°èº´Ä¡¹ýÀ» º¸Á¤ÇÏ¿© Á¤È®ÇÑ ±Õ¿­ÀÇ »ó´Ü°ú ÇÏ´Ü º¯À§¸¦ Æò°¡ÇÏ¿´À¸¸ç À¯ÇÑ¿ä¼Ò¹ý°úÀÇ ºñ±³¸¦ ÅëÇØ Á¦½ÃµÈ ±â¹ýÀÇ ½Å·Ú¼ºÀ» È®ÀÎÇÏ¿´´Ù.
Recent observations based on geological evidence and laboratory tests confirm that complex segmentation of hydraulic fractures is common phenomena. It is expected that the segmentation causes mechanical interaction between the fractures and affects fracture opening and measured net pressure. In this study, therefore, the opening of the fractures is computed using boundary collocation method to evaluate the mechanical interaction quantitatively. Also, improved boundary collocation method is suggested to evaluate the displacement of the fracture wall accurately and the reliability of this method is confirmed by comparing with that of the finite element method.
 
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Boundary collocation method;Displacement;Hydraulic fracture;Mechanical interaction;Opening;Segmentation;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.21, no.9, 2005³â, pp.45-52
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200508824125460)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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