Developing a well-centric flow model-The first step in a risk-based approach to oil and gas well decommissioning
C Johnson, MH Sefat, D Davies - Journal of Petroleum Science and …, 2021 - Elsevier
The final stage in the life of a hydrocarbon well is decommissioning, which aims to ensure
that the original integrity of the cap rock is restored and all penetrated sub-surface …
that the original integrity of the cap rock is restored and all penetrated sub-surface …
A novel tool to break the cementation force of a 9-5/8 ″casing-cement sheath system for offshore well abandonment operations: design, tests, and feasibility analysis
L Zhang, G Wang, L Zhong, H Mu, J Jing… - Petroleum Science …, 2023 - Taylor & Francis
Casing recovery in offshore well abandonment is challenging due to the cementation force
between the casing and the cement sheath. To improve the well abandonment operation …
between the casing and the cement sheath. To improve the well abandonment operation …
Leakage Through Micro-Annulus Geometries Incorporating Pressure-Driven Elastic Deformation
K Beltrán-Jiménez, HJ Skadsem, D Gardner… - Offshore Technology …, 2019 - onepetro.org
The cement between the casings and formation is a critical barrier element for ensuring
zonal isolation. Shrinkage during curing and mechanical or thermal loads applied during …
zonal isolation. Shrinkage during curing and mechanical or thermal loads applied during …
Development of a probabilistic framework for risk-based well decommissioning design
C Johnson, MH Sefat, AH Elsheikh, D Davies - SPE Journal, 2021 - onepetro.org
In the next decades, tens of thousands of well plugging and abandonment (P&A) operations
are expected to be executed worldwide. Decommissioning activities in the North Sea alone …
are expected to be executed worldwide. Decommissioning activities in the North Sea alone …
Comparative Analysis of Permanent P & A Requirements and Consequences in Terms of Leakage-A Case Study
K Beltrán-Jiménez, HP Lohne, EP Ford… - Offshore Technology …, 2019 - onepetro.org
Abstract In South America, the discussion regarding permanent plug and abandonment
(P&A) at the end of the useful life of the fields is relatively recent, but it has become …
(P&A) at the end of the useful life of the fields is relatively recent, but it has become …