Patent ID: 9004157
Filing Date: 2015-04-14
Classification: E21B,F16B,Y10T

Abstract:
1. A blowout preventer comprising: a main body forming intersecting horizontal and vertical passageways extending through the main body; a first bonnet attached to a first side of the main body by means of one or more high load capacity fasteners, wherein the one or more high load capacity fasteners comprise a series of tappings; and a second bonnet attached to a second side of the main body by means of one or more high load capacity fasteners, wherein the one or more high load capacity fasteners comprise a series of tappings; wherein the first and second bonnets comprise through guide bars, wherein the through guide bars of the first bonnet are capable of engaging the second bonnet and wherein the through guide bars of the second bonnet are capable of engaging the first bonnet.