HYDRAULIC SYSTEM FOR ELECTRONICALLY CONTROLLED PRESSURE ACTIVATED DOWNHOLE TESTING TOOL

An annulus pressure responsive tool is temporarily deactivated so as to no longer be responsive to changes in well annulus pressure.

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Bibliographic Details
Main Author SKINNER, NEAL G
Format Patent
LanguageEnglish
French
Published 22.05.1993
Edition5
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:An annulus pressure responsive tool is temporarily deactivated so as to no longer be responsive to changes in well annulus pressure.
Bibliography:Application Number: CA19922083483