U BOP Variable Bore Rams: BOP Size and Working Pressure (Psi) Pipe Size Range Ram Subassembly Ram Body Packer Top Seal | PDF
variable-bore rams (VBRs) enable you to seal a standard BOP on several different pipe diameters, improving operational efficiency and certainty during... | By Alam Alsahara for Petroleum Services; Training; Consulting & Supplies
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