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

US9227872B2 · kind B2 · utility

Assignee

• Halliburton Energy Services, Inc. · US

Inventors

• Thomas Jason Pisklak · Cypress, US
• Kyriacos Agapiou · Houston, US
• Pauline Akinyi Otieno · Spring, US
• Ronnie Glen Morgan · Waurika, US
• Peter Boul · Houston, US
• Lance E. Brothers · Chickasha, US

Key dates

• Filing date: Mar 31, 2013
• Grant date: Jan 5, 2016
• Expiry date: Jan 28, 2034

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09K2208/10
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

Disclosed herein are cement compositions and methods of using set-delayed cement compositions in subterranean formations. A method of cementing in a subterranean formation, 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 cement set activator, wherein the cement set activator comprises at least one activator selected from the group consisting of nanosilica, a polyphosphate, and combinations thereof, introducing the set-delayed cement composition into a subterranean formation, and allowing the set-delayed cement composition to set in the subterranean formation.