Halliburton Energy Services, Inc.

Cody Glenn Harris

Kyriacos Agapiou

Samuel Jason Lewis

Thomas Jason Pisklak

Jeffery Dwane Karcher

Lance Everett Brothers

Ronnie Glen Morgan

Peter James Boul

Pauline Akinyi Otieno

Baya Adams

An expansive additive composition for use in Portland cements and a method of using such an additive composition is provided. The additive composition can include a calcium aluminate cement additive and a lithium compound. The additive composition is capable of producing expansion in set cements when the temperature is at or below room temperature and minimizes the amount of calcium aluminate cement additive needed.

Expansive cement

The present disclosure relates to a liquid agent that mitigates shrinkage of cement, particularly cement used in a hydrocarbon-producing well. The anti-shrinkage agent includes a slow-setting calcium aluminate cement as well as gypsum and may exhibit shelf-life stability, physical stability, or both. The present disclosure further relates to methods of cementing a hydrocarbon-producing well using the anti-shrinkage agent and to cements containing the anti-shrinkage agent.

Liquid anti-shrinkage agent for cement

Disclosed herein are cement compositions and methods of using set-delayed cement compositions in subterranean formations. In one embodiment, a method of cementing in a subterranean formation is described. The method may comprise providing a set-delayed cement composition comprising water, pumice, hydrated lime, and a set retarder; activating the set-delayed cement composition with a liquid additive to produce an activated cement composition, wherein the liquid additive comprises a monovalent salt, a polyphosphate, a dispersant, and water; and allowing the activated cement composition to set.

Cement set activators for set-delayed cement compositions and associated methods

An expansive cement composition including a Portland cement having a calcium aluminate cement additive and a lithium compound additive is provided. The lithium compound additive is capable of producing expansion in set cements when the temperature is at or below room temperature and minimizes the amount of calcium aluminate cement additive needed.

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Tomball, TX, United States of America

Cody Glenn Harris