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)