Record number :
2301085
Title of article :
A criterion for identifying hydraulic fractures crossing natural fractures in 3D space
Author/Authors :
CHENG، نويسنده , , Wan Qin Jin، نويسنده , , Yan and CHEN، نويسنده , , Mian and Xu، نويسنده , , Tong and ZHANG، نويسنده , , Yakun and DIAO، نويسنده , , Ce، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2014
Pages :
6
From page :
371
To page :
376
Abstract :
Based on the analysis of the stress fields near the hydraulic fracture tip and on the natural fracture surface, a criterion for identifying hydraulic fractures crossing natural fractures was proposed. A series of hydraulic fracturing tests were conducted to investigate the influences of natural fractures occurrence and horizontal stress contrast on hydraulic fracture propagation using large scale tri-axial fracturing system. The experiment results showed that the crossing happens in the region with high approaching angle and strike angle, large horizontal stresses and horizontal stress difference coefficient. Horizontal stress contrast has a critical value, only when it is above the critical value, may the hydraulic fracture cross the natural fracture. These experimental results agree with the predictions of this criterion well. It is predicted by this criterion that the hydraulic fracture of a test well in the Longmaxi shale formation, Sichuan Basin, canʹt cross the natural fracture, which agrees with the micro-seismic monitoring results.
Keywords :
Natural Fracture , Shale , Occurrence , hydraulic fracture , Hydraulic fracturing
Journal title :
Petroleum Exploration and Development
Journal title :
Petroleum Exploration and Development
Serial Year :
2014
Link To Document :
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