There is an upcoming" P&A wave" of wells that need to be permanently plugged and
abandoned, especially in mature, offshore areas such as the North Sea and Gulf of Mexico …

This paper reviews the state of research in permanent barrier materials for plug and
abandonment of oil and gas wells to identify key strengths and weaknesses of each barrier …

There are many oil and gas wells globally which are not used for production, injection or
other purposes. By converting abandoned or non-activated oil and gas wells to geothermal …

The current practice on the Norwegian Continental Shelf (NCS) when designing solutions
for permanent plug and abandonment (P&A) complies with NORSOK Standard D-010. This …

This paper is the third in a series of environmental risk assessments covering hydraulic
fracturing (SPE 152596) and well construction (SPE 166142). Risk assessment and well …

The risk of CO 2 leakage from carbon capture, utilization, and storage (CCUS) wells and
geological storage sites must be properly assessed before the implementation of CO 2 …

In permanently abandoned wells, cement plugs serve as a well‐barrier element that is
essential for providing long‐term zonal isolation. Poorly plugged wells might provide …

Petroleum and Geothermal industries are embracing the present boom in production of
crude oil and power generation. At the same time, longevity or sustainability of this boom is …

The traditional plug-and-abandonment (P&A) method of exploration wells in the North Sea is
to set a series of cement plugs to isolate the pressurized zones from each other and from …

The failure of cement sheaths to perform as designed in oil wells can result in loss of zonal
isolation. Bulk shrinkage of the cement sheath in the annulus is one of the main causes …