CONTROL OF SUSTAINED CASING PRESSURE IN WELLBORE ANNULI

This invention provides a method for minimizing or relieving a sustained casing pressure in an annulus of a wellbore, where the annulus contains a first fluid having a density. The method comprises introducing a second fluid into the annulus. The second fluid has a density greater than the density o...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	GE, ZHONGXIN, VARNADO, CHARLES, DANIEL, JR, BUTLER, KRISTINA, L, WILHELM, MICHAEL, J, WU, TSEONG, PARKS, JOHN, C, O'DAY, JOSEPH
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ADHESIVES CHEMISTRY DYES EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MINING MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PAINTS POLISHES
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