Dual sensor freepoint tool

An apparatus and method of determining the point at which a tubular is stuck within another tubular or a wellbore by applying a tensile or torsional force to the stuck tubular and measuring the response of various locations within the tubular. In addition, the apparatus may be combined with a cuttin...

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Bibliographic Details
Main Authors GRAY KEVIN L, ESTES JAMES D
Format Patent
LanguageEnglish
Published 06.02.2003
Edition7
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 apparatus and method of determining the point at which a tubular is stuck within another tubular or a wellbore by applying a tensile or torsional force to the stuck tubular and measuring the response of various locations within the tubular. In addition, the apparatus may be combined with a cutting tool to separate the free portion of the tubular from the stuck portion.
Bibliography:Application Number: US20020211252