Abstract:
Elément tubulaire (2, 20, 30, 40) comprenant un corps (4), le corps comportant une première surface (3, 43) sur laquelle est ménagée un filetage (5, 45), une deuxième surface (7, 47) radialement opposée à la première surface (3, 43), une surface d'étanchéité (10, 50) située sur la première surface (3, 43), ledit corps (4) étant dans un acier ayant une première limite d'élasticité Ys1, l'élément tubulaire comprenant un segment (11, 21, 31, 41) s'étendant radialement depuis la deuxième surface (7, 47) au droit de la surface d'étanchéité (10, 50) et ayant une deuxième limite d'élasticité Ys2 plus grande que la première limite d'élasticité Ys1.
Abstract:
Threaded tubular connection (10) comprising a box member (20) comprising a female external thread (26), a female internal thread (29) and a female intermediate sealing surface (27) between the female external thread and the female internal thread, and pin member (30) comprising corresponding male external thread (36), male internal thread (39) and a male intermediate sealing surface (37), such that male threads interlock by thread engagement with female threads, and intermediate sealing surfaces (27, 37) are forming an intermediate metal-to-metal seal when the threaded tubular connection is made up, wherein the box member (20) comprises a minimal outer diameter (JOBmin) at the intermediate metal-to-metal seal location, the minimal outer diameter (JOBmin) being smaller than respectively an external and an internal outer diameter (JOBe; JOBi) respectively being located above the female external thread and the female internal thread.
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 in this order from a free edge (19) of the male tool joint: an inner metal-metal seal (25, 26), a first threaded portion (16a, 18a), an intermediate abutment (22, 24), an intermediate metal-metal seal (27, 28) and a second threaded portion (16b, 18b), the free edge (19) being at a non-zero axial distance (d) 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 (LFLp1, LFLb1) and a pitch of the stabbing flank (SFLp1, SFLb1) of the first threaded portion, and respectively a pitch of the load flank (LFLp2, LFLb2) and a pitch of the stabbing flank (SFLp2, SFLb2) of the second threaded portion fulfil the following condition: [Math 12] SFL b 1 = LFL b 1 = SFL b 2 = LFL b 2 = SFL p1 = LFL p 1 = SFL p 2 = LFL p 2 .
Abstract:
Threaded tubular connection (10) comprising a tubular female end (20) extending from a main body (21) of a first tubular member (22), and a tubular male end (30) extending from a main body (31) of a second tubular member (32), such that the tubular female end (20) comprises a machined outer cylindrical surface (58) close to the female free end (25) having a first outer diameter (JOB) and a second machined outer cylindrical surface (60) above a threaded portion of the female end, a second outer diameter (JOB2) of the second outer cylindrical surface being bigger than the first outer diameter (JOB).
Abstract:
A threaded tubular connection comprises a male threaded element disposed at the end of a first tubular component and a female threaded element disposed at the end of a second tubular component, the male threaded element comprising two male threadings, an outer and an inner, a first outer peripheral surface disposed between the male threadings, a first male sealing surface on said outer peripheral surface, a second outer peripheral surface, a male axial abutment surface disposed at the end of the male threaded element, and a second male sealing surface provided on the second outer peripheral surface of the male threaded element between the inner threading and the male axial abutment surface, the female threaded element comprising two female threadings, an outer and an inner, an inner peripheral surface disposed between the female threadings, at least one first female sealing surface on said inner peripheral surface, a female axial abutment surface, and a second female sealing surface provided between the female axial abutment surface and the inner female threading, the threads of said male and female outer threadings being engaged in the coupled state, the threads of said male and female inner threadings being engaged in the coupled state, the male axial abutment surface and the female axial abutment surface being abutted and engaged in the coupled state, the first male sealing surface and the first female sealing surface being in sealing contact in the coupled state, the second male sealing surface and the second female sealing surface being in sealing contact in the coupled state.
Abstract:
Elément fileté tubulaire (2, 20, 30) comprenant au moins un filetage (5, 25), une extrémité distale (8, 28), un corps (4), un segment (11, 21, 31) s'étendant depuis le corps (4) jusqu'à l'extrémité distale (8, 28), le segment (11, 21) comprenant ladite extrémité distale (8, 28), le corps (4) comportant une première surface sur laquelle est ménagée au moins partiellement le filetage (5, 25), le segment (11, 21) comprenant une surface d'étanchéité (10, 30) située axialement entre l'extrémité distale (8, 28) et le au moins un filetage (5,25), ledit corps (4) étant dans un acier ayant une première limite d'élasticité Ys1 et ledit segment (11, 21) étant dans un acier ayant une deuxième limite d'élasticité Ys2 plus grande que la première limite d'élasticité Ys1.
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 (16a, 18a), 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) fulfils the following condition: [Math 22] SFL b = LFL b = SFL p = LFL p = k, A tooth width (Wtp) of the male helix and a tooth width of the female helix (Wtb) are such that [Math 23] or [Math 24] and [Math 25] Wtp + Wtb
Abstract:
The invention concerns an assembly for producing a threaded connection, comprising a first and a second tubular component with an axis of revolution (10) and each respectively provided at one of their ends (20, 30) with at least a first (21, 31) and a second (22, 32) continuous threaded zone, respectively produced on the outer or inner circumferential surface of the component depending on whether the threaded end is male or female in type, in the form of a first and a second helix each provided with a first (41) and a second (42) taper generatrix, the first threaded zones produced in accordance with the first helix being capable of cooperating together in makeup and the second threaded zones produced in accordance with the second helix being capable of cooperating together in makeup, each of the threaded zones defining a thread profile, viewed in a longitudinal section passing through the axis of revolution, provided with load flanks (21a, 22a, 31a, 32a), stabbing flanks (21b, 22b, 31b, 32b), thread crests (21c, 22c, 31c, 32c), and thread roots (21d, 22d, 31d, 32d), characterized in thatthe height (TH1) of the threads of the first threaded zones and the height (TH2) of the threads of the second threaded zones are each in the range 1 mm to 2.5 mm, and the angle of the load flanks (LFA1, LFA2) of the first and second threaded zones with the normal to the axis of revolution is in the range 1 to 20 degrees, and the angle of the stabbing flanks (SFA1, SFA2) of the first and second threaded zones with the normal to the axis of revolution is in the range 3 to 25 degrees.
Abstract:
Elément tubulaire (2; 20, 30, 40, 50) comprenant un corps (4, 34), le corps (4, 34) comportant une première surface (12, 32) sur laquelle est ménagé un filetage (5; 7; 35; 37), une deuxième surface (13; 33) radialement opposée à la première surface (12; 32), ledit corps (4; 34) étant dans un acier ayant une première limite d'élasticité Ys1, l'élément tubulaire comprenant en outre un segment (11; 21; 31; 41) s'étendant radialement depuis la deuxième surface (13; 33) et s'étendant axialement au niveau du filetage (5; 7; 35; 37) ledit segment (11; 21; 3; 41) étant dans un acier ayant une deuxième limite d'élasticité Ys2 plus grande que la première limite d'élasticité Ys1.
Abstract:
The invention concerns an assembly for producing a threaded connection, comprising a first and a second tubular component with an axis of revolution (10) and each respectively provided at one of their ends (1, 2) with at least a first continuous threaded zone (3, 4) following a first helix on the outer or inner circumferential surface of the component depending on whether the threaded end is male or female in type, and being capable of cooperating together upon makeup, the first threaded zones (3, 4) of the ends (1, 2) having a variable width dovetail thread profile, said ends (1, 2) respectively finishing in a terminal surface (7, 8), at least one of the ends (1, 2) being provided with a lip (12) provided between the threaded zone and the terminal surface, said lip carrying a sealing surface (5) which is capable of cooperating in a sealing interference fit with a corresponding sealing surface (6) disposed facing the other end when the connection is in the made up state, characterized in that the lip (12) is hollowed out by a groove (11) adjoining on the one hand the threaded zone and on the other hand the sealing surface, the length (GL) of the groove being calculated as follows (I).