PUBLISHED PAPER Presented at the 2025 Australian Energy Producers Conference Brisbane, Australia

Advancing scientific verification of plug and abandonment activities

Quentin Morgan, Janet Mignano, James Ashton, Andrew Clemence, and Robert Layher

This paper describes how the Ventbuster®, is the latest and most sophisticated advancement in methane emissions quantification and monitoring, and utilized for true and auditable confirmation for leaking wellbore mitigation. This is only accomplished by first establishing a scientific baseline emission measurement, pre-plug and abandonment. Then, by real-time digital data recording and live monitoring of emissions during wellbore integrity restoration operations. Followed up with continuous emission monitoring for an indisputable confirmation of mitigation, post-plug and abandonment.