Plug systems and methods for using plugs in subterranean formations

A method of cementing a casing string in a subterranean well bore characterised by the steps of: injecting a cement composition into the casing string; and deploying within the casing string at least one cementing plug (10,20,60) comprising an outer body (11,21) and a detachable inner mandrel (13,23...

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Bibliographic Details
Main Author Szarka, David D
Format Patent
LanguageEnglish
French
German
Published 22.02.2017
Subjects
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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Summary:A method of cementing a casing string in a subterranean well bore characterised by the steps of: injecting a cement composition into the casing string; and deploying within the casing string at least one cementing plug (10,20,60) comprising an outer body (11,21) and a detachable inner mandrel (13,23) attached to the outer body (11,21).
Bibliography:Application Number: EP20080075802