EP4499974A1 - Joint fileté tubulaire - Google Patents
Joint fileté tubulaireInfo
- Publication number
- EP4499974A1 EP4499974A1 EP23711106.7A EP23711106A EP4499974A1 EP 4499974 A1 EP4499974 A1 EP 4499974A1 EP 23711106 A EP23711106 A EP 23711106A EP 4499974 A1 EP4499974 A1 EP 4499974A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- abutment surface
- male
- female
- external
- joint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/042—Threaded
Definitions
- the invention relates to the field of tubular threaded joints. More particularly, the invention relates to metallic tubular threaded joints used in the oil and gas, energy or storage industry, and in particular for use such as the exploitation of hydrocarbon wells, the transport of hydrocarbons, carbon capture or geothermal energy.
- threadeaded joint an assembly made up of components of substantially tubular shape, metallic and assembled together by screwing.
- the tubular components can be tubes or any type of connecting part commonly used in the field of the invention, such as sleeves.
- Such tubular metal components have an elastic limit preferably greater than or equal to 450 MPa.
- each tubular component comprises an end portion provided with a male threaded zone or a female threaded zone intended to be screwed with a corresponding end portion of a similar component.
- the threaded tubular components constitute what is called a joint or connection.
- the threads of the tubular components forming this joint have supporting flanks and engagement flanks with exactly the same pitch.
- the disadvantage of such a joint is that axial play remains at the level of the supporting flanks and/or the thread engagement flanks. When such a joint is subjected to strong mechanical stresses, there is then a high risk that this axial play will cause leaks. Due to this axial play, the greases which are added during coupling, in particular to limit the risk of leakage, are stored in the gaps formed between the load-bearing sides and the engagement sides.
- a first aim of the invention is to significantly reduce the risk of seizure at the level of a threaded joint while improving the resistance of the threaded joint to mechanical stress. Furthermore, a second aim of the invention is to reduce the operational costs generated by the use of the threaded joint while simplifying operations on site.
- the invention provides a threaded joint having a longitudinal axis x, said joint comprising a first tubular component and a second tubular component, the first tubular component and the second tubular component being screwed to each other, the first component comprising a first tube and a male element disposed at one end of said first tube, the male element comprising successively from the first tube towards a male internal abutment surface of said male element: an external male abutment surface, at least one first male threaded portion having a variable width thread profile with self-locking tightening, and the internal male abutment surface, the second component comprising a second tube and a female element disposed at one end of said second tube, the female element comprising successively from the second tube towards a female external abutment surface of said female element: a female internal abutment surface, at least a first female threaded portion having a variable width thread profile with self-locking tightening, a female lip, and the external abutment surface
- the gap formed between the male external abutment surface and the female external abutment surface makes it possible to reduce the compressive force exerted on the flanks of the threads when the load which is applied in compression exceeds the elastic limit of the joint.
- the abutment surface external male and the external female abutment surface come into contact as soon as the axial compressive load becomes greater than the elastic limit of the threads.
- the compressive load is immediately distributed on the one hand, on the sides of the threads, and on the other hand, on the surfaces of the male and female external stops.
- Such distribution of the load makes it possible to maintain the tightness conferred by the thread.
- Such an architecture of the male and female elements thus makes it possible to obtain a joint having better performance in compression, in particular after its elastic limit.
- the internal diameter of a joint decreases axially from the external abutment surfaces to the internal abutment surfaces. Therefore, the area of an external stop is necessarily greater than the area of an intermediate stop, and an intermediate stop surface is necessarily greater than an internal stop surface. Therefore, the fact that the thrust contact is made between the external thrust surfaces allows a greater thrust contact area and therefore a greater torque capacity than that of a joint whose thrust contact is made at the level d an internal or intermediate shoulder. In other words, the fact that the abutment contact is made between the external abutment surfaces makes it possible to support higher axial compressive loads in comparison to an abutment contact which would be made at the level of an internal or intermediate shoulder.
- [1 l]Variable width and self-locking threads such as those used in the invention prevent a gap from being formed at the joint thread.
- the integrity, and in particular the tightness, of the joint are entirely produced by the torque generated by the contact between, on the one hand, the carrying flanks and the thread engagement flanks of the first tubular component, and on the other hand, the carrying flanks and the thread engagement flanks of the second tubular component. Therefore, with such a seal, it is not necessary to use greases to achieve sealing, which reduces the quantity of grease used and therefore reduces operational costs.
- the male element comprises a male external housing which extends from the male external abutment surface to the male threaded portion.
- the external male abutment surface has an inclination of angle a relative to a first axis y, said first axis y being perpendicular to the longitudinal axis x, and in that the surface of female external stop has an inclination of angle P relative to a second axis y”, said second axis y” being perpendicular to the longitudinal axis x, the angles a and P being such that the external male stop surface and the surface of female external stop are substantially parallel. In other words, the angles a and P are approximately equal.
- the male external abutment surface and the female external abutment surface are always face-to-face, so as to present a maximum contact surface between them, which improves the performance of the joint in compression.
- any value given to the angle a corresponds to an angle value measured in the trigonometric direction between the male external stop surface and the axis y.
- any value given to the angle P corresponds to an angle value measured in the trigonometric direction between the external female abutment surface and the y axis.
- the y axis and the male external abutment surface are coaxial and, the y axis and the female external abutment surface are coaxial.
- the angles a and P thus formed are either bare angles or flat angles. A zero angle being defined as having a value of 0° and a flat angle being defined as having a value of 180°.
- angles a and P both have either a value of 0° or a value of 180°.
- angles a and P are such that: 0° ⁇ a ⁇ 30° and 0° ⁇ p ⁇ 30°. Beyond 30°, when an axial compressive load is applied to the seal, the lip may begin to flex, which may lead to lip failure. [19] According to one embodiment, the angles a and P are such that: 0° ⁇ a ⁇ 10° and o° ⁇ p ⁇ io°.
- angles a are such that: 0° ⁇ a ⁇ 5° and 0° ⁇ P ⁇ 5°.
- the gap has an axial length of between 0.10 mm and 1.75 mm.
- the gap has an axial length of between 0.10 mm and 0.82 mm, and even more preferably between 0.10 mm and 0.63 mm., ideally, the gap has an axial length of between 0. 10mm and 0.50mm. This allows the gap to close and therefore leads to the improvement of the compressive strength in an optimal manner according to the compression capacities involved in the field of the invention.
- the gap has an axial length such that: BSL x(0.5%)/4 ⁇ gap (30) ⁇ BSL *0.7% where BSL is in mm.
- the minimum value makes it possible to reduce the compressive force exerted on the sides of the threads when the load which is applied in compression exceeds the elastic limit of the joint from 25% of the compression capacity of the joint according to the invention .
- the maximum value makes it possible to reduce the compressive force exerted on the sides of the threads when the load which is applied in compression reaches 100% of the compression capacity of the joint according to the invention.
- screw state means the fact that the tubular components are connected to each other so as to form a joint suitable for use in the field of the invention.
- tightness is a property necessary for the use of the seal in a field of the invention.
- Axial length means a length which extends and which is measured along the longitudinal axis x.
- the first axial length BSL and the second axial length BSL can be measured.
- the first axial length BSL can be measured from a first female inner radial end to a second female inner radial end.
- the second axial length PSL can be measured from a first male inner radial end to a second male inner radial end.
- self-locking tightening thread is meant the fact that the thread of the male thread has an increasing width axially in a first direction and the thread of the female thread has an increasing width axially in a second direction, said second direction being opposite to the first meaning.
- the width of the self-locking tightening threads can vary axially, that is to say along the longitudinal axis x, and/or radially, that is to say along an axis perpendicular to the longitudinal axis x. When the width of the threads varies radially, the threads then have a dovetail profile.
- an abutment surface is capable of being in abutment contact but is not necessarily so once the joint is in the screwed state.
- Figure 1 is a diagram of a longitudinal sectional view of a threaded joint whose two tubular components are screwed to one another, according to one embodiment of the invention (thread not shown).
- Figure 2 is a diagram of a close-up view of detail A of the threaded joint according to the invention of Figure 1 (thread not shown).
- Figure 3 is a diagram of a close-up view of a variant of detail A of a threaded joint according to one embodiment of the invention (thread not shown).
- Figure 1 illustrates a longitudinal sectional view of a threaded joint 1 comprising a first tubular component Cl and a second tubular component C2 screwed to one another, according to one embodiment of the invention.
- the first tubular component Cl comprises a first tube 10 and a male element 15.
- the male element 15 is disposed at one end of the first tube 10.
- the male element 15 is directly adjacent to the first tube 10.
- the element male 15 extends axially from a male external abutment surface 11 to a male internal abutment surface 13.
- the male element 15 successively comprises, from the male external abutment surface 11: a male external housing 14, a portion male threaded thread 12 having a variable width thread profile with self-locking tightening (not shown), and the internal male abutment surface 13.
- the thread is not described in detail in the present patent application, those skilled in the art can refer to patent EP2999841 which describes a self-locking thread suitable for use in any embodiment of the present invention.
- the external male abutment surface 11 extends radially between a first external male radial end 16 and a first internal male radial end 18.
- the first internal male radial end 18 can be a fillet having a radius of curvature between 0.1 mm and 5.0 mm and connecting the male external abutment surface 11 and the male external housing 14.
- the male internal abutment surface 13 extends radially between a second male external radial end 17 and a second male internal radial end 19.
- the second male external radial end 17 and the second male internal radial end 19 may be edge breaks or roundings each having a respective radius of curvature and each being directly adjacent to the male internal abutment surface 13.
- the external male housing 14 extends from the first internal radial male end 18 to the start of the male threaded portion 12.
- the external male housing 14 has a non-threaded surface which can have a cylindrical or frustoconical shape.
- the male external housing 14 has a cylindrical non-threaded surface which forms a right angle with the male external abutment surface 11, in other words, the non-threaded surface of the male external housing 14 and the male external abutment surface 11 are orthogonal.
- the male threaded portion 12 is conical, for example with a half-angle of conicity of between 0.5° and 5°, preferably between 1° and 3°.
- the male threaded portion 12 is disposed on the exterior of the male element and extends from the external male housing 14 to the second external male radial end 17.
- the thread (not shown) of the threaded portion 12 has a variable width thread profile with self-locking tightening, such as a type thread
- the second tubular component C2 comprises a second tube 20 and a female element 25.
- the female element 25 is arranged at one end of the second tube 20.
- the female element 25 is directly adjacent to the second tube 20.
- the element female 25 extends axially from a female external abutment surface 21 to an internal female abutment surface 23.
- the female element 25 successively comprises, from the external female abutment surface 21: a female lip 24, a threaded portion 12 presenting a thread profile with variable width with self-locking clamp (not shown), an internal female housing 28, and the internal female abutment surface 23.
- the female external abutment surface 21 and the male external abutment surface 11 are arranged facing each other so as to delimit a gap 30 between them.
- the gap 30 has a axial length of 0.43 mm.
- the female external abutment surface 21 extends radially between a first female external radial end 29 and a first female internal radial end 26.
- the first female internal radial end 26 may be an edge break or a rounding having a radius of curvature between 0.1 mm and 5.0 mm and being directly adjacent to the female external abutment surface 21.
- the female internal abutment surface 23 is arranged facing the male internal abutment surface 13 and at a distance therefrom, for example at an axial distance of between 2 mm and 15 mm.
- the internal female abutment surface 23 extends from a second internal female radial end 27 to the internal female housing 28.
- the internal female abutment surface 23 may be straight or rounded so as to form a fillet.
- the internal female abutment surface 23 forms a fillet which has a radius of curvature whose value can for example be between 0.2 mm and 6.0 mm, preferably between 0.5 mm and 1.5 mm.
- the female lip 24 has an internal surface 31 facing the male external housing 14.
- the internal surface 31 is a non-threaded surface and has a cylindrical shape.
- the internal surface 31 extends from the first internal female radial end 26 to a distal thread flank 32 of the female threaded portion 22.
- the female threaded portion 22 has a conicity substantially equal to that of the male threaded portion 12.
- the female threaded portion 22 is disposed on the inside of the female element 25 and extends from the internal female housing 28 to 'to the distal thread flank 32.
- the thread (not shown) of the threaded portion 22 has a variable width thread profile with self-locking tightening, such as a "wedge" type thread in English.
- the female internal housing 28 is directly adjacent to the fillet formed by the female internal abutment surface 27 and extends to the female threaded portion 22.
- the female internal housing 28 has a non-threaded surface which can have a cylindrical or frustoconical shape. In Figure 1, the internal female housing 28 has a cylindrical non-threaded surface.
- a first axial length BSL extends and is measured axially between the first female interior radial end 26 and the second female interior radial end 27, we therefore take the distance between the points projected radially on the x axis.
- the first axial length BSL can be between 60 mm and 300 mm, preferably between 100 mm and 250 mm, and even more preferably between 110 mm and 225 mm. In Figure 1, the first axial length BSL is 217 mm.
- a second axial length PSL extends and is measured axially between the first male interior radial end 18 and the second male interior radial end 19, we therefore take the distance between the points projected radially on the x axis.
- the first axial length PSL can be between 60 mm and 300 mm, preferably between 100 mm and 250 mm, and even more preferably between 110 m and 225 m.
- the second axial length PSL is 208mm.
- Figure 2 illustrates a close-up view of detail A of the threaded joint shown schematically in Figure 1.
- the gap 30 is delimited by the male external abutment surface 11 and the female external abutment surface 21.
- the male external abutment surface 11 and the female external abutment surface 21 are parallel.
- the male external abutment surface 11 and the female external abutment surface 21 are orthogonal to the longitudinal axis x of the threaded joint 1.
- the male external abutment surface 11 forms with the y axis an angle a which is a flat angle or a zero angle.
- the female external abutment surface 21 forms with the axis y” an angle P which is a flat angle or a zero angle.
- FIG. 3 illustrates a close-up view of a variant of detail A shown schematically in Figure 2.
- the male external abutment surface 11 is inclined at an angle a relative to the y axis
- the female external abutment surface 21 is inclined at an angle P relative to the y axis.
- the y and y” axes are both orthogonal to the longitudinal x axis.
- the angle a can have a value between 0.1° and 30°, preferably between 0.1° and 10°, even more preferably between 0.1° and 5°.
- the angle P can have a value between 0.1° and 30°, preferably between 0.1° and 10°, even more preferably between 0.1° and 5°. In the embodiment of Figure 3, the angle a and the angle P both have a value of 15°.
- the gap 30 thus formed between the male external abutment surface 11 and the female external abutment surface 21 has an axial length which can be between 0.10 mm and 1.75 mm. In the embodiment illustrated in Figure 3, the gap 30 has an axial length of 0.43 mm.
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
- Earth Drilling (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR2202699A FR3133897B1 (fr) | 2022-03-25 | 2022-03-25 | Joint fileté tubulaire |
| PCT/EP2023/057318 WO2023180375A1 (fr) | 2022-03-25 | 2023-03-22 | Joint fileté tubulaire |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP4499974A1 true EP4499974A1 (fr) | 2025-02-05 |
| EP4499974B1 EP4499974B1 (fr) | 2025-09-03 |
| EP4499974C0 EP4499974C0 (fr) | 2025-09-03 |
Family
ID=81850960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23711106.7A Active EP4499974B1 (fr) | 2022-03-25 | 2023-03-22 | Joint fileté tubulaire |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US20250207466A1 (fr) |
| EP (1) | EP4499974B1 (fr) |
| JP (1) | JP2025509084A (fr) |
| CN (1) | CN118742704A (fr) |
| AR (1) | AR128875A1 (fr) |
| CA (1) | CA3249239A1 (fr) |
| FR (1) | FR3133897B1 (fr) |
| MX (1) | MX2024011742A (fr) |
| WO (1) | WO2023180375A1 (fr) |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2239942A (en) * | 1939-05-17 | 1941-04-29 | Hydril Company Of California | Well pipe joint |
| US2532632A (en) * | 1948-10-04 | 1950-12-05 | Hydril Corp | Tubing and tubing joint |
| US4521042A (en) * | 1983-07-05 | 1985-06-04 | Hydril Company | Threaded connection |
| US5154452A (en) * | 1991-09-18 | 1992-10-13 | Frederick William Johnson | Tubular connection with S-thread form for clamping center seal |
| US5788401A (en) * | 1996-12-24 | 1998-08-04 | Boart Longyear International Holdings, Inc. | Rod joint |
| US7690696B2 (en) * | 1999-04-19 | 2010-04-06 | Hydril Company | Wedge thread with torque shoulder |
| US6888473B1 (en) * | 2000-07-20 | 2005-05-03 | Intelliserv, Inc. | Repeatable reference for positioning sensors and transducers in drill pipe |
| FR2833335B1 (fr) * | 2001-12-07 | 2007-05-18 | Vallourec Mannesmann Oil & Gas | Joint filete tubulaire superieur contenant au moins un element filete avec levre d'extremite |
| US20070167051A1 (en) * | 2004-11-10 | 2007-07-19 | Reynolds Harris A Jr | Data communications embedded in threaded connections |
| FR2923283B1 (fr) * | 2007-11-07 | 2012-10-05 | Vallourec Mannesmann Oil & Gas | Joint filete comprenant au moins un element filete avec levre d'extremite pour tube metallique. |
| FR2953272B1 (fr) * | 2009-11-30 | 2011-12-16 | Vallourec Mannesmann Oil & Gas | Joint filete |
| FR2956466B1 (fr) * | 2010-02-17 | 2012-06-08 | Vallourec Mannesmann Oil & Gas | Joint filete expansible et procede de realisation |
| FR2979968B1 (fr) * | 2011-09-13 | 2014-06-27 | Vallourec Mannesmann Oil & Gas | Ensemble pour la realisation d'un joint filete pour le forage et l'exploitation des puits d'hydrocarbures et joint filete resultant |
| FR3006029B1 (fr) | 2013-05-23 | 2015-11-13 | Vallourec Mannesmann Oil & Gas | Ensemble pour la realisation d'un joint filete pour le forage et l'exploitation des puits d'hydrocarbures et joint filete resultant |
| CA2940209C (fr) * | 2015-08-27 | 2020-02-18 | Diversity Technologies Corporation | Joint filete |
| EP3572612B1 (fr) | 2018-05-25 | 2020-10-07 | Vallourec Oil And Gas France | Connexion filetée tubulaire |
| FR3098272B1 (fr) * | 2019-07-01 | 2022-07-22 | Vallourec Oil & Gas France | Joint filete avec epaulement realise par fabrication additive |
| EP4092304B1 (fr) * | 2020-01-17 | 2024-02-07 | Nippon Steel Corporation | Connexion filetée pour tuyau |
-
2022
- 2022-03-25 FR FR2202699A patent/FR3133897B1/fr active Active
-
2023
- 2023-03-22 JP JP2024548428A patent/JP2025509084A/ja active Pending
- 2023-03-22 EP EP23711106.7A patent/EP4499974B1/fr active Active
- 2023-03-22 US US18/845,463 patent/US20250207466A1/en active Pending
- 2023-03-22 CN CN202380022328.0A patent/CN118742704A/zh active Pending
- 2023-03-22 WO PCT/EP2023/057318 patent/WO2023180375A1/fr not_active Ceased
- 2023-03-22 CA CA3249239A patent/CA3249239A1/fr active Pending
- 2023-03-23 AR ARP230100732A patent/AR128875A1/es unknown
-
2024
- 2024-09-24 MX MX2024011742A patent/MX2024011742A/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CA3249239A1 (fr) | 2023-09-28 |
| EP4499974B1 (fr) | 2025-09-03 |
| AR128875A1 (es) | 2024-06-19 |
| CN118742704A (zh) | 2024-10-01 |
| FR3133897B1 (fr) | 2024-03-15 |
| FR3133897A1 (fr) | 2023-09-29 |
| WO2023180375A1 (fr) | 2023-09-28 |
| JP2025509084A (ja) | 2025-04-11 |
| US20250207466A1 (en) | 2025-06-26 |
| MX2024011742A (es) | 2024-11-08 |
| EP4499974C0 (fr) | 2025-09-03 |
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