Use of Alternative Use of Alternative Cement Cement Formulations Formulations Don Getzlaf Marty Stromquist Marty Stromquist Cemblend Systems Inc. IEA GHG 5 th Wellbore Integrity Network Meeting MAY 14 th 2009 www.cemblend.com
Wellbore Removing formation Removing drill fluids Removing drill fluids Replacing with p g Casing and Cementing IEA GHG 5 th Wellbore Integrity Network Meeting MAY 14 th 2009 www.cemblend.com
Portland IEA GHG 5 th Wellbore Integrity Network Meeting MAY 14 th 2009 www.cemblend.com
Cement History Bentonite Flyash Fondu Silica Silicafume Plaster Plaster Foams F Z Zeolites lit Latex Metakaolin Slag Slag Beads Beads IEA GHG 5 th Wellbore Integrity Network Meeting MAY 14 th 2009 www.cemblend.com
Chemically Bonded Phosphate Ceramics IEA GHG 5 th Wellbore Integrity Network Meeting MAY 14 th 2009 www.cemblend.com
Development ARGONNE NATIONAL LAB Developed for Nuclear waste containment Nuclear waste containment IEA GHG 5 th Wellbore Integrity Network Meeting MAY 14 th 2009 www.cemblend.com
Development Argonne saw benefits in: • Good mechanical properties • Good mechanical properties • Unleachable • Does not degrade over time D t d d ti • Neutral PH • Incorporate organics IEA GHG 5 th Wellbore Integrity Network Meeting MAY 14 th 2009 www.cemblend.com
What we saw Benefits in: • Good mechanical properties • Good mechanical properties • Does not degrade over time • Quick setting • Incorporate organics (OBM) p g ( ) • Covalent internal bond IEA GHG 5 th Wellbore Integrity Network Meeting MAY 14 th 2009 www.cemblend.com
Mechanic Properties IEA GHG 5 th Wellbore Integrity Network Meeting MAY 14 th 2009 www.cemblend.com
Bond Testing Bond tests between 20 0 C and 315 0 C are Typically 3 – 5 times higher then Portland. IEA GHG 5 th Wellbore Integrity Network Meeting MAY 14 th 2009 www.cemblend.com
X 250 X 250 IEA GHG 5 th Wellbore Integrity Network Meeting MAY 14 th 2009 www.cemblend.com
X 1000 X 1000 IEA GHG 5 th Wellbore Integrity Network Meeting MAY 14 th 2009 www.cemblend.com
Strength • Most of the strength is obtained in first few hours • Slightly expanding Sli htl di Ceramic vs Portland @ 20 0 C MC 2 vs Premium Microfine Portland 20 0 C 10.5 ength MPa 7.0 C Ceramic i essive Stre MC2 MC 2 Portland Premium Microfine Portland Cement 3.5 Compre 0.0 0 12 24 Time Hours e ou s IEA GHG 5 th Wellbore Integrity Network Meeting MAY 14 th 2009 www.cemblend.com
Ceramic vs Portland @ 7 0 C MC 2 vs Premium Microfine Portland 7 0 C 10.5 h MPa Ceramic MC2 MC 2 Portland Premium Microfine Strength P Portland Cement tl d C t 7.0 S essive 3.5 Compre 0.0 C 0 12 24 Time Hours IEA GHG 5 th Wellbore Integrity Network Meeting MAY 14 th 2009 www.cemblend.com
Thickening time example l 1 % retarder 120 100 1 % retarder 80 Bc 60 40 20 0 0 10 20 30 40 50 60 70 80 90 Time minutes 32 Bc to 100 Bc in 2 minutes Bearden units of consistency IEA GHG 5 th Wellbore Integrity Network Meeting MAY 14 th 2009 www.cemblend.com
Other Properties h • Concentrated filter cake • Compatible with most p common drilling fluids and Portland cement • Temperature independence • Broad PH application • Broad PH application IEA GHG 5 th Wellbore Integrity Network Meeting MAY 14 th 2009 www.cemblend.com
Latex Permeability y Flyash Porosity Fondue Silica Porosity Fondue Silica Portland Tension Silicafume Solubility M t k Metakaolin Ceramics li C i Beads Fibers Beads Fibers Bentonite Zeolite IEA GHG 5 th Wellbore Integrity Network Meeting MAY 14 th 2009 www.cemblend.com
Where have we been ~100 remedial jobs completed • Gas migration Gas migration • Casing repair • Water conformance • Vent repairs Vent repairs Thickening time extended (6 hrs) Thickening time extended (6 hrs) IEA GHG 5 th Wellbore Integrity Network Meeting MAY 14 th 2009 www.cemblend.com
Where are ceramics going g g Primary work Thermal Thermal Permafrost Injection wells IEA GHG 5 th Wellbore Integrity Network Meeting MAY 14 th 2009 www.cemblend.com
Do “YOU” have a Do YOU have a question? IEA GHG 5 th Wellbore Integrity Network Meeting MAY 14 th 2009 www.cemblend.com
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