Trip Margin

Oil & Gas Drilling Glossary - IADCLexicon.org

Glossary

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Additional drilling or completion fluid density that provides an increment of overbalance pressure in order to compensate for effects of swabbing.

Source: API RP 96, Deepwater Well Design and Construction, First Edition, March 2013. Global Standards

An incremental increase in drilling fluid density to provide an increment of overbalance in order to compensate for effects of swabbing.

Source: API RP 59, Recommended Practice for Well Control Operations, Second Edition, May 2006. Global Standards

An incremental increase in drilling fluid density to provide an element of overbalance and compensate for the effects of swabbing

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

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