CONTROLLING THE PRESSURE WITHIN AN ANNULAR VOLUME OF A WELLBORE

A PROCESS IS DESCRIBED FOR REPLACING AT LEAST A PORTION OF THE LIQUID WITHIN THE ANNULAR VOLUME (42) OF A CASING SYSTEM (20) WITHIN A WELLBORE (10) WITH A SECOND LIQUID. THE SECOND LIQUID IS PRESELECTED TO PROVIDE A MEASURE OF CONTROL OF THE PRESSURE WITHIN THE ANNULAR VOLUME (42) AS THE FLUID WITHI...

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Bibliographic Details
Main Authors ROBERT EDWARD HERMES, BRIAN CHRISTOPHER LLEWELLYN, MANUEL EDUARDO GONZALEZ, JAMES BENJAMIN BLOYS, DON MAYO COATES
Format Patent
LanguageEnglish
Published 15.06.2015
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 PROCESS IS DESCRIBED FOR REPLACING AT LEAST A PORTION OF THE LIQUID WITHIN THE ANNULAR VOLUME (42) OF A CASING SYSTEM (20) WITHIN A WELLBORE (10) WITH A SECOND LIQUID. THE SECOND LIQUID IS PRESELECTED TO PROVIDE A MEASURE OF CONTROL OF THE PRESSURE WITHIN THE ANNULAR VOLUME (42) AS THE FLUID WITHIN THE VOLUME IS BEING HEATED.
Bibliography:Application Number: MY2011PI04707