The cement sheath, serving as the primary element of well barriers, plays a crucial role in
maintaining zonal isolation, protecting the casing from corrosion, and providing mechanical …

Alkaline activated persulfate based preflush fluid has promising potential on mud cake
removal in oil and gas well. However, the corrosion on casing steel is rarely investigated. In …

In order to effectively remove the oil-based drilling fluid and oil mud cake attached to the
wellbore, improve the cementation environment of the second interface and improve the …

Shale gas development usually uses large displacement horizontal well and staged
fracturing technology to increase operation production. The complex environmental and …

The mechanism of heat and mass transfer in tight oil reservoirs after CO2 injection is
complex. In this paper, first, a CO2 transfer model within microscale adjacent nanotubes in …