M&M

M&M Oil Tools IBOP valve (Internal Blowout Preventer) — poppet-style drill string safety valve for well control in offshore and HPHT drilling operations

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What Is an IBOP Valve? The Complete Drilling Engineer's Guide

Picture of M&M M&M: Mar 24, 2026 5:00:00 AM

In this guide: What IBOP valves are and how they work, the functional difference between upper and lower IBOPs, critical specs for HPHT and offshore selection, when IBOPs are required by regulation and best practice, and how they fit into a complete...

Well Control IBOP
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