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 ...
Drilling operations cause changes in wellbore temperatures that can significantly impact effective fracture gradients. For example, circulation on bottom usually produces bottomhole temperatures that ...
On April 17, 2015, the Bureau of Safety and Environmental Enforcement (BSEE) published proposed amendments to regulations for offshore well operators in the Outer Continental Shelf (OCS). The proposed ...
Dilution-based dual-gradient drilling (DGD) reduces casing strings and drilling costs while increasing hole size at total depth by injecting mud down an artificially-created annulus with a different ...
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