Definition(s)



NRV

Nonreturn valve.

Source:API SPECIFICATION 19TT, Specification for Downhole Well Test Tools and Related Equipment, First Edition, October 2016. Global Standards

NRV

A non-return valve. A float or other check valve in the system. See Inside BOP.

Source: IADC UBO / MPD Glossary, December 2011. Global Standards

NRV

Non-return valve.

Source: NORSOK D-010, Well integrity in drilling and well operations, Rev. 3, August 2004. Global Standards

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