WO 2016/073000 A1

Liquid anti-shrinkage agent for cement­

(22) 07.11.2014

(43) 12.05.2016

(57) 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 hydrocarcon-producing well using the anti-shrinkage agent and to cements containing the anti-shrinkage agent.

(71) Halliburton Energy Services, Inc., 3000 N. Sam Houston Parkway E., Hous­ton, Texas 77032-3219 (US)

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