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1. (WO2018048456) WELL CEMENTING WITH WATER-BASED LIQUID ANTI-SHRINKAGE ADDITIVES

Pub. No.:    WO/2018/048456    International Application No.:    PCT/US2016/051391
Publication Date: Fri Mar 16 00:59:59 CET 2018 International Filing Date: Tue Sep 13 01:59:59 CEST 2016
IPC: C09K 8/467
C09K 8/48
Applicants: HALLIBURTON ENERGY SERVICES, INC.
Inventors: SODHI, Thomas Singh
AGAPIOU, Kyriacos
KOLASNIKOV, Aleksey
LEWIS, Sam J.
Title: WELL CEMENTING WITH WATER-BASED LIQUID ANTI-SHRINKAGE ADDITIVES
Abstract:
A method including introducing a well cementing composition into a wellbore, the cementing composition including a pumpable slurry of cement comprising a liquid anti-shrinkage additive including: an aqueous base fluid; a calcined magnesium oxide; and an anti-hydration agent; and allowing at least a portion of the cementing composition to harden. A liquid anti-shrinkage additive for cement including an aqueous base fluid, a calcined magnesium oxide, and an anti-hydration agent.