Patent · US Active

Settable compositions containing metakaolin having reduced portland cement content

US8627888B2 · kind B2 · utility

14Cited by

27References

20Claims

0Family size

Assignee

Halliburton Energy Services, Inc. · US

Inventors

Ashok Santra · Duncan, US
Krishna M. Ravi · Kingwood, US
Crystal L. Keys · Indiahoma, US
Benjamin John Iverson · Zionsville, US
Rahul Chandrakant Patil · Pune, IN
Sandip Prabhakar Patil · Pune, IN

Key dates

Filing date	May 13, 2011
Grant date	Jan 14, 2014
Priority date	—
Expiry date	Jan 27, 2032

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02W30/91
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

Of the many compositions and methods provided herein, one method includes providing a settable fluid that comprises an aqueous-based medium, a lime composition, and a cementitious blend that comprises metakaolin particulates and aluminosilicate particulates, wherein the cementitious blend is essentially free of Portland cement; introducing the settable fluid into a wellbore penetrating a subterranean formation that comprises a corrosive component; and allowing the settable fluid to set therein.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.