See float. Ported float has a small hole in it to allow pressure (not flow) to communicate up the drillstring to allow the shut-in drillpipe pressure (SIDPP) to be monitored when shut in.
See float. Ported float has a small hole in it to allow pressure (not flow) to communicate up the drillstring to allow the shut-in drillpipe pressure (SIDPP) to be monitored when shut in.