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.
Patent No.:
Date of Patent:
Jan. 30, 2024
Filed:
Jul. 15, 2020
Vallourec Oil and Gas France, Aulnoye-Aymeries, FR;
Nippon Steel Corporation, Chiyoda-ku, JP;
Anthony Foulogne, Boulogne-Billancourt, FR;
Pierre Martin, Boulogne-Billancourt, FR;
VALLOUREC OIL AND GAS FRANCE, Aulnoye-Aymeries, FR;
NIPPON STEEL CORPORATION, Chiyoda-ku, JP;
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 comprising a threaded portion, such that the male and respectively female threaded portions each comprise a helix provided with a load flank, a thread crest, a stabbing flank, a thread root, such that a pitch of the load flank (LFLp, LFLb) and a pitch of the stabbing flank (SFLp, SFLb) fulfills the following condition: [Math 14] SF=LF=SFL=LFL=k, A tooth width (Wtp) of the male helix and a tooth width of the female helix (Wtb) are such that [Math 15] 50%<Wtp/Wtb<80% or [Math 16] 50%<Wtb/Wtp<80% and [Math 17] Wtp Wtb<k.