Experimental study to investigate the effects of in situ stress state and rock-fluid interactions on propped fracture conductivity in the Vaca Muerta formation, An
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Abstract
Much evidence has been presented in literature proving the importance of proppant testing for hydraulic fracture design. The majority of the research studies published for proppant conductivity present experimental results obtained under a laboratory uniaxial stress state. Under field in situ stress state, however, the fracture is subjected to triaxial stress. Propped fracture conductivity degradation resulting from various damage mechanisms and changes in mechanical properties depends on the stress state applied on the core samples tested and the sample sensitivity to the aqueous fluids. In ...
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