MULTI-CYCLE PIPE CUTTER AND RELATED METHODS

Title:

MULTI-CYCLE PIPE CUTTER AND RELATED METHODS

Document Type and Number:

WIPO Patent Application WO/2014/150524

Kind Code:

A3

Abstract:

A downhole cutting tool (100) includes a tool body (102) and a plurality of cutter knife sets (104a, 104b, 104c), each of the plurality of cutter knife sets configured to extend outwardly to separately perform a pipe cutting operation. A first cutter knife set has a diameter in an extended position larger than a diameter in an extended position of a second cutter knife set. A method includes running the downhole cutting tool into a wellbore, deploying the first set of expandable cutting arms to an extended position and engaging the extended expandable cutting arms with a first work piece, rotating the downhole cutting tool and cutting the first work piece, deploying the second set of expandable cutting arms during a single trip into the wellbore to an extended position and engaging the extended expandable cutting arms with a second work piece, and rotating the downhole cutting tool and cutting the second work piece.

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Inventors:

HEKELAAR STEPHEN (US)

Application Number:

PCT/US2014/023492

Publication Date:

March 26, 2015

Filing Date:

March 11, 2014

Export Citation:

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Assignee:

SCHLUMBERGER CA LTD (CA)
SCHLUMBERGER SERVICES PETROL (FR)
SCHLUMBERGER HOLDINGS
SCHLUMBERGER TECHNOLOGY BV (NL)
SMITH INTERNATIONAL (US)
PRAD RES & DEV LTD

International Classes:

E21B29/00; E21B23/00

Foreign References:

US20110220357A1	2011-09-15
US20100089583A1	2010-04-15
US3468373A	1969-09-23
US20120186817A1	2012-07-26
US5735359A	1998-04-07
US20120152543A1	2012-06-21

Other References: