Life of the Well Cementing

Cementing the casing and liner strings in place in oil and gas wells is integral to wellbore architecture, which in turn is integral to well performance and total hydrocarbon recovery. Conventionally, cementing is viewed as a one-time event, yet it serves as a foundation for ultimate recovery if engineered to withstand pressure and temperature differentials during life of the well events such as completion operations, fracture stimulation, and production cycles. In other words, rather than simply being the last step during drilling operations, it is economically more beneficial to view cementing as the first step in completion operations.

The cement sheath can be subject to thousands of psi (pounds per square inch) pressure changes and hundreds of degrees of temperature changes (Fahrenheit) throughout the life of the well. In spite of such dynamic fluctuations, the cement sheath is expected to resiliently withstand immediate and cumulative stresses, retaining seal integrity to securely isolate producing zones and restrain unwanted fluid production.

Today's and tomorrow's reservoirs are deeper, hotter and under higher pressure than yesterday's easy oil. Subsequently, wellbore challenges and achieving wellbore integrity are more complicated than ever before. These wells are likely to push or exceed the standard operating envelopes. Thus, Halliburton offers cementing systems designed to mitigate the effects of extreme loads imposed on the cement sheath in order to help avoid debonding from the casing or shear deterioration in the cement sheath.

LifeCem™ 100 Cement Additive
Enables the cement sheath to be resilient and flexible as well as self-healing to help maintain zonal-isolation integrity throughout the cumulative stresses brought on by oil-or gas-well completion and production.
WellLife® Additives
Used to modify the set-cement sheath’s mechanical properties with the goal of making it less brittle, more resilient and more elastic than conventional cement.

Life of the Well

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  TitleНазвание  DateДата
Summary Summary Job Design and Cement System to Contain Steam and Improve Heavy Oil Recovery Sign in required
Heavy oil is found in different parts of the world and could be an important part of the answer to this demand for energy. However, heavy oil is highly viscous and traditional methods are not sufficient to produce these wells.
Summary Summary LifeCem™ 100 cement additive
The primary use of LifeCem 100 cement additive is to increase the set cement sheath’s capability to resist cyclic loading. This additive achieves this by modifying the Young’s modulus and Poisson’s ratio of set cement, and by sealing microannuli if they form in the sheath.
Summary Summary WellLife 1094 additive
WellLife 1094 additive is designed to address mixability while conveying enhanced mechanical properties to cement. It helps enhance the tensile strength of the cement system into which it is blended. This additive also helps address lost circulation.
Summary Summary WellLife 684 Additive
WellLife® 684 additive is designed to increase the tensile strength of set cement without significantly decreasing the compressive strength.
Summary Summary The Family of WellLife Additives
WellLife® additives are used to modify the set-cement sheath’s mechanical properties with the goal of making it less brittle, more resilient and more elastic than conventional cement. Increasing the elasticity and resilience of the set cement sheath with the use of an additive in the WellLife family of additives helps eliminate or at least minimize damage caused by stresses induced during well activities.
Summary Summary ElastiCem® Cements
With Tuned Cementing Solutions™ cementing systems, Halliburton has created a set of innovative fit-for-purpose solutions with the flexibility required to allow each system to be tuned specifically for a given set of wellbore conditions.
Summary Summary ElastiSeal™ Cements
With Tuned Cementing Solutions™ cementing systems, Halliburton has created a set of innovative fit-for-purpose solutions with the flexibility required to allow each system to be tuned specifically for a given set of wellbore conditions.
Summary Summary LifeCem™ 100 Cement Additive
Enables the cement sheath to be resilient and flexible as well as self-healing to help maintain zonal-isolation integrity throughout the cumulative stresses brought on by oil-or gas-well completion and production.
Summary Summary Life of the Well
description to come
Summary Summary WellLife® Additives
Used to modify the set-cement sheath’s mechanical properties with the goal of making it less brittle, more resilient and more elastic than conventional cement.
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