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 …

The fracture debonding failure of cement plug/casing interface caused by the migration of
underground fluid with pressure accumulation imposed serious challenges to wellbore …

Casing section milling technology is widely used for sidetracking old wells or well
abandonment operations. Conventional section milling tools for small-and high-steel-grade …

Section milling is a method used in plug and abandonment operations to remove casing
over a specified interval, enabling a barrier to be placed for complete isolation across the …

Settled barite is a known challenge in well construction and well control activities. This
phenomenon creates operational and safety challenges during cut and pull operations in …

In permanent P&A, establishment of a rock-to-rock barrier is a requirement. There are
situations where the annular barrier behind casing is not qualified or there is no annular …

With the changing nature of our world and the drive for environmentally friendly action, the
Oil and Gas Industry is moving forward in addressing the carbon emissions challenge. The …

Abstract Several wells in South Sumatera area have experienced with well integrity problem
of high sustained casing pressure in B annulus (9 5/8”–13 3/8” casing annulus); and …