Definition(s)
Drawdown
Reduction in borehole pressure below formation pressure.
Source:API SPECIFICATION 19TT, Specification for Downhole Well Test Tools and Related Equipment, First Edition, October 2016. Global Standards
Oil & Gas Drilling Glossary - IADCLexicon.org
Reduction in borehole pressure below formation pressure.
Source:API SPECIFICATION 19TT, Specification for Downhole Well Test Tools and Related Equipment, First Edition, October 2016. Global Standards