A program was instrumental in assessing the causes of casing failures and remediating them in wells in the Dongguo area of northeast China. The Dongguo area is part of Daqing oil field in Heilongjiang ...

During high-intensity injection and production in underground gas storage (UGS), the biting behavior of packer slip teeth on the casing’s inner wall can cause damage, leading to anchoring failure and ...

The influence and mechanism of porous structure on the deformation failure of cement sheaths under hydraulic pressure is still unclear. To solve this problem, a net slurry cement sheath and a liquid ...

Use of nitrogen-foamed spacers is a proven mitigation technique for wells with potential problems with annular pressure buildup (APB). In late 1999, BP PLC experienced a well failure in the Marlin ...