Weighting agent for use in subterranean wells

A weighting agent composition for use in a cement slurry for downhole operations in a subterranean well, the composition comprising a finely divided solid weighting agent; and a dispersant comprising a sulphonic acid, salt or derivative thereof, the sulphonic acid having the general formula (I): -[A...

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Bibliographische Detailangaben
Hauptverfasser: REID, PAUL, GOODWIN WILSHAW, NICHOLAS JOHN, BOWLES, PHILIP WILLIAM
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A weighting agent composition for use in a cement slurry for downhole operations in a subterranean well, the composition comprising a finely divided solid weighting agent; and a dispersant comprising a sulphonic acid, salt or derivative thereof, the sulphonic acid having the general formula (I): -[A(OSOO