THREADED CONNECTION INCLUDING AN INTERMEDIATE SHOULDER

WIPO Patent Application WO/2017/097700

A3

A threaded tubular connection (10) comprises a first tubular component (12) and a second tubular component (14). The first tubular component (12) includes a female portion (16) defined on an interior surface of the first tubular component. The female portion includes an inner threaded portion and an outer threaded portion which are offset radially with respect to a longitudinal axis of the first tubular component by a first shoulder (26). The second tubular component includes a male portion (18) defined on an exterior surface of the second tubular component (14). The male portion (18) is to be inserted into the female portion (16), and includes an inner threaded portion and an outer threaded portion which are offset radially with respect to a longitudinal axis of the second tubular component by a second shoulder (28). The second shoulder (28) is to abut the first shoulder (26) once the male portion (18) is connected to the female portion (16).

WO/2020/072063	ALIGNING TWO PARTS OF A TUBULAR ASSEMBLY
JP4570871	Connecting the anchor rod to the drilling rod

DALY DALY (US)
FOTHERGILL ALAN (US)
VILLERT SÉBASTIEN (US)

PCT/EP2016/079743

August 31, 2017

December 05, 2016

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VALLOUREC OIL & GAS FRANCE (FR)
NIPPON STEEL & SUMITOMO METAL CORP (JP)

E21B17/042

US6481760B1	2002-11-19
US20040262919A1	2004-12-30
US4570982A	1986-02-18
US20140084582A1	2014-03-27
EP0767335A1	1997-04-09

CABINET NETTER (FR)

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