Packer or bridge plug with sequential equalization then release movements

Packer or bridge plug with sequential equalization then release movements

A method of releasing a packer or bridge plug is disclosed. The method comprises delivering a telescoping grip tool in a first configuration to engage the packer or bridge plug at a first location; equalizing pressure across the set packer or bridge plug with movement of said telescoping grip tool;...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Kelbie, Graeme M, Pray, Jeffrey S, Bishop, David S, Ruffo, Antonio C, Meyer, Kent S
Format: Patent
Sprache: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 releasing a packer or bridge plug is disclosed. The method comprises delivering a telescoping grip tool in a first configuration to engage the packer or bridge plug at a first location; equalizing pressure across the set packer or bridge plug with movement of said telescoping grip tool; placing said telescoping grip tool in a second configuration after said equalizing; engaging a second location on said packer or bridge plug with said telescoping grip tool in said second configuration; releasing said packer or bridge plug after said equalizing with movement of said telescoping grip tool in said second configuration; performing said equalizing and said releasing with a tensile pull on said telescoping grip tool.