Method of sealing an annular space in a wellbore

A method of sealing a space in a wellbore formed in an earth formation comprises inserting a plurality of swellable particles into the space by pumping them in a carrier fluid, the particles being susceptible to swelling upon contact with a selected fluid, and inducing the selected fluid to contact...

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Bibliographische Detailangaben
Hauptverfasser: MARTIN GERARD RENE BOSMA, JOHN ALEXANDER GORDON DEWAR, ERIK KERST CORNELISSEN
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A method of sealing a space in a wellbore formed in an earth formation comprises inserting a plurality of swellable particles into the space by pumping them in a carrier fluid, the particles being susceptible to swelling upon contact with a selected fluid, and inducing the selected fluid to contact the swelleable particles whereby the swelleable particles swell so as to form a body of swollen particles in the space.