A TOOL CEMENTED IN A WELLBORE CONTAINING A PORT PLUG DISSOLVED BY GALVANIC CORROSION

A method of performing an operation in a wellbore is provided. The method includes introducing a tool into the wellbore. The tool comprises a mandrel comprising a port; and a plug located within the port. The plug comprises at least a first material that partially or wholly dissolves via corrosion....

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Bibliographische Detailangaben
Hauptverfasser:	WALTON, Zachary, W, MURPHREE, Zachary, R, FRIPP, Michael, L
Format:	Patent
Sprache:	dan ; eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Beschreibung
Zusammenfassung:	A method of performing an operation in a wellbore is provided. The method includes introducing a tool into the wellbore. The tool comprises a mandrel comprising a port; and a plug located within the port. The plug comprises at least a first material that partially or wholly dissolves via corrosion. The method further includes introducing a cement composition into an annulus located between the outside of the tool at least at the location of the port and the inside of the wellbore, and causing or allowing at least a portion of the first material to dissolve. The step of causing or allowing is performed after the step of introducing the cement composition.