Pipelines transporting crude from America's top-producing shale basin to major export hubs in Texas are nearing capacity limits. With US crude production hitting record highs, these pipeline constraints could throttle US oil exports at a time when uncertainty looms in the energy and geopolitical spaces. Bloomberg cites new data from energy researcher East Daley Analytics, which says major pipelines between the Permian Basin and the Port of Corpus Christi pipeline are currently more than 90% full. That number could easily rise to 94% or 95% by the…