To fracture or not to fracture—that has been the question dogging valve-in-valve (ViV) TAVI. The answer, new data suggest, is that fracturing the preexisting bioprosthetic aortic valve may be the best ...
Oil and Gas Development Co. Ltd. Geologically realistic models generated from raw seismic velocities can predict pore pressure and fracture gradients useful in designing safe, economic predrill mud ...
A new fracture gradient model correlates well with all deepwater drilling off Norway. The model is based on water depth and overburden stress. Because bulk densities vary significantly at different ...
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