The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 06, 2024

Filed:

Jul. 15, 2020
Applicants:

Vallourec Oil and Gas France, Aulnoye-Aymeries, FR;

Nippon Steel Corporation, Chiyoda-ku, JP;

Inventors:

Anthony Foulogne, Boulogne-Billancourt, FR;

Pierre Martin, Boulogne-Billancourt, FR;

Malic Abdeddaim, Boulogne-Billancourt, FR;

Mickael Pusard, Boulogne-Billancourt, FR;

Assignees:

VALLOUREC OIL AND GAS FRANCE, Aulnoye-Aymeries, FR;

NIPPON STEEL CORPORATION, Chiyoda-ku, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 17/042 (2006.01); F16L 15/00 (2006.01); F16L 15/06 (2006.01);
U.S. Cl.
CPC ...
E21B 17/0423 (2013.01); F16L 15/002 (2013.01); F16L 15/06 (2013.01);
Abstract

Threaded tubular connection for the casing of hydrocarbon wells obtained by makeup of a male tool joint with a female tool joint, the connection includes in order from a free edge of the male tool joint: an inner metal-metal seal, a first threaded portion, an intermediate abutment, an intermediate metal-metal seal and a second threaded portion, the free edge being at a non-zero axial distance from the female tool joint, the threaded portions each comprising a helix equipped with a load flank, a thread crest, a stabbing flank, a thread root, such that a pitch of the load flank and a pitch of the stabbing flank of the first threaded portion, and respectively a pitch of the load flank and a pitch of the stabbing flank of the second threaded portion fulfil the following condition: SFLb1=LFLb1=SFLb2=LFLb2=SFLp1=SLFLp2=LFLp2.


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