COMPOSITIONS AND METHODS FOR TREATING LOST CIRCULATION

A composition for well cementing comprising water, cement and a blend of solid material wherein said material comprises a mixture of at least two additives selected from the list consisting of rubber, poly 2 2 1 bicyclo heptene (polynorbomene), alkylstyrene, crosslinked substituted vinyl acrylate co...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ZUSATZ, BENEDICTE, NILSSON, FREDERIK
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:A composition for well cementing comprising water, cement and a blend of solid material wherein said material comprises a mixture of at least two additives selected from the list consisting of rubber, poly 2 2 1 bicyclo heptene (polynorbomene), alkylstyrene, crosslinked substituted vinyl acrylate copolymers and diatomaceous earth