Cement sheath integrity is a critical aspect of oil and gas well construction, as it ensures the zonal isolation necessary to prevent fluid migration between different geological formations.

Used for a number of different reasons, cementing protects and seals the wellbore. Most commonly, cementing is used to permanently shut off water penetration into the well. Part of the completion ...

Part of the process of preparing a well for further drilling, production or abandonment, cementing a well is the procedure of developing and pumping cement into place in a wellbore. Used for a ...

Finding and plugging them with cement can be costly ... one ex-oil executive and his team as he hunts down and plugs forgotten oil wells. More from Retail Nine million Americans live near an ...

Regulations require oil and gas operators to plug wells with cement when they are finished with them, but a growing number of decades-old plugs are failing to hold up against new pressures ...

More than a century of oil and gas drilling has left millions of wells abandoned around the world, many of which still emit powerful greenhouse gases such as methane. There are more than two ...