FUTUR
Self-healing cement system
Ensure long-term zonal isolation and well integrity from production to abandonment and beyond.
CemFIT Heal
Flexible self-healing cement system
Maximize zonal isolation for the life of the well
CemFIT Heal flexible self-healing cement system helps ensure well integrity from drilling to abandonment, providing a competent annular pressure seal and protecting against hydrocarbon leaks and sustained casing pressure (SCP) at the wellhead.
With conventional cement, a cement sheath failure such as a crack or microannulus results in a hydrocarbon leak or SCP at the wellhead. The CemFIT Heal system is the only cement system in the industry that not only withstands wellbore stresses but, should any isolation defects appear, repairs itself on contact with oil or gas irrespective of methane content.
Improve bonds and seal microannuli
Unlike conventional cement systems, the CemFIT Heal system expands after setting, improving cement bonding and sealing microannuli that can cause unwanted gas migration. A low Young's modulus enables it to withstand cement sheath stresses (due to drilling, perforating, injection, hydraulic fracturing, underground gas storage, and changes in temperature, pressure, or both).
Conventional cement barriers can develop cracks and microannuli caused by pressure changes and other stresses, allowing fluids to flow between zones and rise to the surface.
The CemFIT Heal system responds to any contact with oil or gas by automatically repairing and sealing itself.
Restore integrity if sheath is damaged
In the event of a hydrocarbon seep due to cement sheath failure (crack or microannulus), the set cement responds on contact with hydrocarbons and autorepairs the pathways, restoring the hydraulic integrity of the well. The self-healing action is repeatable multiple times if annular integrity is compromised again during the life of the well.
For well decommissioning, CemFIT Heal system delivers a robust, long-term barrier after abandonment with set cement properties favoring flexibility and durability along with the inherent ability to self seal should any isolation defects occur.
Simplify deployment for greater efficiency and reliability
The cement job is simple to design; slurry properties can be easily adjusted to accommodate changes to cement designs and job programs. The CemFIT Heal system is also easy to blend and mix using conventional equipment, making it suitable for large-scale use.
Decarbonize Your Operations
Our low-CO2 cement portfolio is part of our Transition Technologies that help minimize your well construction CO2 footprint. These cement solutions reduce environmental impact because they contain a reduced amount of embedded CO2 from their manufacturing process, helping you reach your sustainability goals by minimizing your upstream emissions footprint and preventing direct or unintended emissions.
LEARN MORE
CemFIT Heal
Flexible self-healing cement system
Helpful links
About SLB