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Drochon Bruno, Kefi Slaheddine: Very low-density cement slurry. Schlumberger Technology, Schlumberger Services Petrol, Schlumberger Holdings, September 4, 2002: EP1236701-A1 (97 worldwide citation)

A cement slurry having a density between 750 kg/m and 1,000 kg/m, comprising a solid fraction comprising: either 75% - 90% (by volume) of lightweight particles having a mean particle size between 10 and 60 mu m; 10% - 25% (by volume) of Portland cement having a mean particle size of between 10 and 5 ...


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Bruno Drochon, Kefi Slaheddine: Very low-density cement slurry. Sofitech, fan menge wu xiaonan, May 26, 2004: CN01823085 (1 worldwide citation)

A cement slurry having a density between 750 kg/m and 1,000 kg/m, comprising a solid fraction comprising: either 75% - 90% (by volume) of lightweight particles having a mean particle size between 10 and 60 mu m; 10% - 25% (by volume) of Portland cement having a mean particle size of between 10 and 5 ...


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Drochon Bruno, Kefi Slaheddine: Very low-density cement slurry. Schlumberger Technology Corporation, June 17, 2004: US20040112255-A1

A cement slurry having a density between 750 kg/m3 and 1,000 kg/m3, comprising a solid fraction comprising: either 75%-90% (by volume) of lightweight particles having a mean particle size between 10 and 60 m; 10%-25% (by volume) of Portland cement having a mean particle size of between 10 and 50 m, ...


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Drochon Bruno, Kefi Slaheddine: Very low-density cement slurry. Services Petroliers Schlumberger, Schlumberger Technology, Schlumberger Holdings, Sofitech, Schlumberger Canada, Drochon Bruno, Kefi Slaheddine, HYDEN Martin, August 22, 2002: WO/2002/064528

A cement slurry having a density between 750 kg/m?3¿ and 1,000 kg/m?3¿, comprising a solid fraction comprising: either 75%-90% (by volume) of lightweight particles having a mean particle size between 10 and 60 um; 10%-25% (by volume) of Portland cement havi ng a mean particle size of between 10 and ...