CemCRETE Concrete-Based Oilwell Cementing Technology | Schlumberger
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Concrete-based oilwell cementing technology

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Optimize slurry performance and mechanical integrity

CemCRETE concrete-based oilwell cementing technology increases the solids content of the slurry using particle-size distribution. Smaller particles fill the void between larger particles, requiring less water. This results in a cement slurry with improved flow properties and excellent set properties, such as permeability and strength. A lower water-to-cement ratio during mixing and pumping enables higher long-term performance.

CemCRETE technology offers

  • more solids in your cement
  • greater compressive strength
  • reduced cement permeability
  • greater resistance to corrosive fluids.
Standard cement slurries require water to fill the void between particles. CemCRETE slurries fill the interparticle void with more solids, giving superior cement properties.
Standard cement slurries require water to fill the void between particles. CemCRETE slurries fill the interparticle void with more solids, giving superior cement properties.

CemCRETE Offerings

EverCRETE
CO2-resistance cement system
Mitigate the risk of CO2 degradation and leakage when cementing new CO2 injection wells or plugging and abandoning existing injection/production wells.
DeepCRETE
Deepwater cementing solution
Isolates the formation and develops compressive strength faster than conventional cement systems.
DensCRETE
High-density cement slurry
Increase slurry density without reblending and save time and money in remote and offshore operations.
SqueezeCRETE
Remedial cementing solution
Repair extremely small gaps or fractures in wellbores at the microscale.
LiteCRETE
Lightweight cement slurry
Optimize cement properties for reliable zonal isolation.
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Product Sheet AllSeal Water and Gas Conformance Service

AllSeal water and gas conformance service is an engineered approach to stopping unwanted water or gas production.

Product Sheet EverCRETE CO2-Resistant Cement System

Extend the duration of zonal isolation in CO2-rich environments.

Case Study CoilFLATE and Water-Shutoff Systems Restore 75 m3/d Oil Production in Wells

CT-conveyed inflatable packers and chemical barriers isolate water production zones, enabling oil production in two wells after 10-year shut-in, West Africa.

Product Sheet D255 Solid FLAC Cement Fluid-Loss Additive

Control fluid loss and low-severity gas migration with a solid additive.

Product Sheet D257 Liquid Antisettling Agent

Prevent sedimentation and free-fluid formation in cement slurries.

Product Sheet D264 Nanosealant Self-Diverting Leak Repair Fluid

Repair small cracks and microannuli in a cemented annulus.

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