METHOD AND SYSTEM FOR SEALING A VOID IN AN UNDERGROUND WELLBORE

Voids (14) in a underground wellbore (1) are sealed by:-inserting a corrosion prone object (10A-C, 12) in the void injecting an oxidizing agent into the void (14); and-allowing the oxidizing agent to induce corrosion of the corrosion prone object and to thereby generate corrosion products (13A-E) th...

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Bibliographic Details
Main Authors JOINSON DANIEL, ELLEM MICHAEL P
Format Patent
LanguageEnglish
Published 17.10.2013
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:Voids (14) in a underground wellbore (1) are sealed by:-inserting a corrosion prone object (10A-C, 12) in the void injecting an oxidizing agent into the void (14); and-allowing the oxidizing agent to induce corrosion of the corrosion prone object and to thereby generate corrosion products (13A-E) that are physically larger than the corrosion prone object (10A-C, 12) and that seal the void (14).
Bibliography:Application Number: US201113977514