RETRACTABLE JOINT AND CEMENTING SHOE FOR USE IN COMPLETING A WELLBORE

An improved method and/or apparatus for completing a wellbore is provided. In one embodiment, a method of lining a pre-drilled wellbore is provided. The method includes the act of providing a casing assembly, the casing assembly including a string of casing; and a retractable joint comprising an inn...

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Main Authors GASPARD, GREGORY GERARD, GRADISHAR, JOHN ROBERT, GALLOWAY, GREGORY G, COLVARD, R.L, LIRETTE, BRENT, BRUNNERT, DAVID J, JORDON, JOHN CHRISTOPHER, MARTENS, JAMES G
Format Patent
LanguageEnglish
French
Published 15.11.2011
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 improved method and/or apparatus for completing a wellbore is provided. In one embodiment, a method of lining a pre-drilled wellbore is provided. The method includes the act of providing a casing assembly, the casing assembly including a string of casing; and a retractable joint comprising an inner tubular and an outer tubular. The method further includes the acts of running the casing assembly into the pre-drilled wellbore and actuating the retractable joint, thereby reducing the length of the casing assembly through movement between the inner and outer tubulars.
Bibliography:Application Number: CA20062547481