Chemical, Calcium Phosphate Cements for Geothermal Wells - Corrosion Protection, Bond Strength and Matrix Self-Healing

Abstract

The data set shows performance of economical calcium phosphate cement (Fondu) blended with fly ash, class F (FAF) in carbon steel corrosion protection tests (corrosion rate, corrosion current and potential), bond- and matrix strength, as well as matrix strength recovery after imposed damage at 300C. The corrosion protection and lap-shear bond strength data are given for different Fondu/FAF ratios, the matrix strength data recoveries are reported for 60/40 weight % Fondu/FAF ratios. Effect of sodium phosphate on bond strength, corrosion protection and self-healing is demonstrated.

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Additional Info

DOE Project Name: Self-healing and Re-Adhering Cements with Improved Toughness at Casing and Formation Interfaces for Geothermal Wells
DOE Project Number: FY17 AOP 3216
DOE Project Lead: Eric Hass
DOI: 10.15121/1409668
Last Updated: 12 months ago
Sep
2017
Data from September, 2017
Submitted Sep 27, 2017

Contact

Brookhaven National Laboratory


631.344.8646

Status

Publicly accessible License 

Authors

Toshifumi Sugama
Brookhaven National Laboratory

Keywords

geothermal, energy, carbon steel corrosion, corrosion rate, self-healing, high temperature, high temp, high-temp, casing, experiment, wellbore, integrity, corrosion protection, composite

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