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Résumé

Originally it was thought that artificial fractures caused by hydrofracturing will develop perpendicular on the line of the least stress. It has however been shown in 1975 that the natural fracturing in the rocks, even microfracturing determines the direction of the artificial fracture. This work studies the effect of one existing artificial fracture formed from one drillhole on a new one that develops from another hole. The problem is studied mathematically by calculating the stresses around a pressure fracture; and experimentally. In the experiments it is shown that on laboratory scale it is possible to connect two fractures starting from two different drillholes.

Informations supplémentaires

Auteurs: SARDA J P. LESSI J INSTITUT FRANCAIS DU PETROLE, RUEIL MALMAISON (FRANCE), INSTITUT FRANCAIS DU PETROLE, RUEIL MALMAISON (FRANCE)
Références bibliographiques: EUR 8315 FR (1984) MF, 57 P., BFR 120, EUROFFICE, LUXEMBOURG POB 1003
Disponibilité: Can be ordered online
Numéro d'enregistrement: 1989122035000 / Dernière mise à jour le: 1987-01-01
Catégorie: publication
Langues disponibles: fr