RU2003116162A - Wired pipe section - Google Patents

Wired pipe section

Info

Publication number
RU2003116162A
RU2003116162A RU2003116162/03A RU2003116162A RU2003116162A RU 2003116162 A RU2003116162 A RU 2003116162A RU 2003116162/03 A RU2003116162/03 A RU 2003116162/03A RU 2003116162 A RU2003116162 A RU 2003116162A RU 2003116162 A RU2003116162 A RU 2003116162A
Authority
RU
Russia
Prior art keywords
end
annular
pipe
ledge
inner
Prior art date
Application number
RU2003116162/03A
Other languages
Russian (ru)
Other versions
RU2304718C2 (en
Inventor
Жак ЖЮНД
Брюс В БОЙЛ
Рагху МАДХАВАН
Original Assignee
Шлюмбергер Текнолоджи Бв
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to US10/160,311 priority Critical patent/US6641434B2/en
Priority to US10/160,311 priority
Application filed by Шлюмбергер Текнолоджи Бв filed Critical Шлюмбергер Текнолоджи Бв
Publication of RU2003116162A publication Critical patent/RU2003116162A/en
Application granted granted Critical
Publication of RU2304718C2 publication Critical patent/RU2304718C2/en

Links

Claims (29)

1. A section of wired pipe string having an axial bore comprising an elongated tubular body, a sleeve end formed at a first end of the pipe body, and a contact annular outer end of the pipe, a contact annular inner shoulder and an internal thread between the outer end of the pipe are formed on the sleeve end and an inner step having a first annular groove made therein, comprising a first annular concave layer with high conductivity and low magnetic permeability, limiting an annular cavity, and a first coil fixedly mounted inside the first annular cavity, a nipple end formed on the second end of the tubular body, and a contact annular outer ledge, a contact annular inner pipe end and an external thread between the outer ledge and the inner end are formed on the nipple end a pipe having a second annular groove formed therein, comprising a second annular concave layer with high conductivity and low magnetic permeability, limiting the second annular th cavity, and a second coil, fixedly mounted inside the second annular cavity, and means for electrically connecting the coil windings of the first and second coils.
2. Section according to claim 1, characterized in that the concave layers have concentric sections facing each other.
3. The section according to claim 1, characterized in that the distance in the axial direction between the outer end of the pipe and the inner ledge is approximately equal to the distance in the axial direction between the outer ledge and the inner end of the pipe.
4. The section according to claim 3, characterized in that the distance in the axial direction between the outer end of the pipe and the inner ledge is greater than the distance in the axial direction between the outer ledge and the inner end of the pipe by an amount sufficient to ensure that the torque required for pressing the inner ledge to the inner end of the pipe when tightened to form a closed toroidal circuit with high conductivity and low magnetic permeability, will be equal to the torque required to compress the outer the end of the pipe to the outer ledge when tightening to achieve proper sealing of the pipe joint.
5. Section according to claim 1, characterized in that the sleeve end has a channel for the passage of the electric cable through a portion of the specified sleeve end.
6. Section according to claim 1, characterized in that each coil has an axially elongated cross section.
7. Section according to claim 1, characterized in that each layer includes a material selected from the group of materials consisting of copper, brass, bronze, beryllium bronze, silver, aluminum, gold, tungsten and zinc.
8. The section according to claim 1, characterized in that each layer is a coating of a material comprising a material selected from the group of materials consisting of copper, brass, bronze, beryllium bronze, silver, aluminum, gold, tungsten and zinc.
9. Section according to claim 1, characterized in that the first layer is an insert of a material comprising a material selected from the group of materials consisting of copper, brass, bronze, beryllium bronze, silver, aluminum, gold, tungsten and zinc .
10. The section equipped with wires of the pipe string according to claim 1, characterized in that each coil is sealed with a casting compound.
11. The section according to claim 1, characterized in that at least one of the layers with high conductivity and low magnetic permeability contains at least one layer consisting of sections.
12. The section according to claim 1, characterized in that the inner ledge has a recess for the passage of the electric cable into the axial hole.
13. The section according to claim 1, characterized in that the inner end of the pipe has a recess for the passage of the electric cable into the axial hole.
14. The section according to claim 1, characterized in that the first coil and the second coil are offset in the radial direction from each other.
15. The section according to claim 1, characterized in that the gap in the layer with high conductivity and low magnetic permeability, forming a toroidal contour, is overlapped by a section of the pipe end.
16. An inductive coupling device for a section of a wired pipe string having an axial bore having a sleeve end of a first section of a pipe string wired, and a contact annular outer end of the pipe, a contact annular inner shoulder and an internal thread between the outer end of the pipe and an inner ledge having a first annular groove made therein, comprising a first annular concave layer with high conductivity and low magnetic permeability, limiting the first annular cavity, and the first coil fixedly mounted inside the first annular cavity, the nipple end of the second section of the pipe string provided with wires, and a contact annular outer ledge, a contact annular inner pipe end and an external thread between the outer ledge and the inner end are formed on the nipple end a pipe having a second annular groove made therein, comprising a second annular concave layer with high conductivity and low magnetic permeability, limiting the second I ’ring the annular cavity, and the second coil, motionlessly installed inside the second annular cavity, and threaded means for screwing, designed to compress the inner ledge to the inner end of the pipe so that the first layer and the second layer are forcedly pressed against each other to form a closed toroidal circuit with high conductivity and low magnetic permeability surrounding both coils.
17. The inductive device according to clause 16, in which the first and second layers form a toroidal circuit, comprising at least one portion of the end of the pipe.
18. The device according to clause 16, in which each coil has an axially elongated cross section.
19. The device according to clause 16, wherein each layer includes a material selected from the group of materials consisting of copper, brass, bronze, beryllium bronze, silver, aluminum, gold, tungsten and zinc.
20. The device according to clause 16, wherein each layer is a coating of a material comprising a material selected from the group of materials consisting of copper, brass, bronze, beryllium bronze, silver, aluminum, gold, tungsten and zinc.
21. The device according to p. 16, characterized in that the first layer is an insert of a material comprising a material selected from the group of materials consisting of copper, brass, bronze, beryllium bronze, silver, aluminum, gold, tungsten and zinc .
22. The device according to clause 16, wherein each coil is sealed with a casting compound.
23. Section wired pipe string having an axial hole containing an elongated tubular body, a sleeve end formed on the first end of the tubular body, while the sleeve has an annular outer end of the pipe, a first annular innermost ledge, a first annular middle inner ledge, the first annular outermost inner ledge and the first inner thread between the outer end of the pipe and the outermost annular inner ledge, the first coil located at the middle ledge, the first ring electrically isolated insulating gasket, a first annular casing with high conductivity and low magnetic permeability, having a first annular casing part and a first annular edge part having a larger diameter than the first casing part connected to the sleeve end at the first innermost ledge this first edge part is adapted to fix the first coil and the first gasket relative to the coupling end, the nipple end formed on the second end of the tubular body, when this On the nipple end, an annular outer ledge is formed, a second annular innermost ledge, a second annular middle inner ledge, a second inner pipe end and a second internal thread between the outer end of the pipe and the second inner end of the pipe, a second coil located at the second middle ledge, and a second annular an insulating gasket providing electrical insulation, a second annular casing with high conductivity and low magnetic permeability, having a second annular body part and a second cylinder an outer edge portion having a larger diameter than the second housing portion attached to the sleeve end at the second innermost ledge, the second edge portion being adapted to fix the second coil and the second gasket relative to the nipple end, and means for electrically connecting the coil windings of the first and second coils.
24. The section of claim 25, wherein a third internal thread is formed on the first innermost annular inner ledge, and the first body portion is threaded and attached to the sleeve end using a third internal thread.
25. The section according A.25, characterized in that the first annular inner wall is formed between the first internal thread and the outermost inner ledge at the sleeve end, and the sleeve end further comprises a first annular layer with high conductivity and low magnetic permeability on the first annular inner wall .
26. Section A.25, characterized in that the sleeve end contains an annular layer with high conductivity and low magnetic permeability at the first middle ledge.
27. Section A.25, characterized in that the nipple end contains an annular layer with high conductivity and low magnetic permeability at the second middle ledge.
28. The section of claim 25, wherein a fourth internal thread is formed on the second innermost annular inner ledge, and the second threaded body portion is connected to the nipple end by a fourth internal thread.
29. A section of wired pipe string having an axial hole containing an elongated tubular body, a sleeve end on which a first surface of a certain shape is formed surrounding the axial hole, the sleeve end having a first layer of material with high conductivity and low magnetic permeability on the first a surface of a certain shape, forming the first tape of a certain shape, the first tubular support element attached to the sleeve end inside the axial hole, the first coil, laid coaxially with the first tubular support element, surrounded by it, resting on it, and surrounding the first tape of a certain shape, but separated from it, a nipple end on which a second surface of a certain shape is formed surrounding the axial hole, while the nipple end has a second layer of material with high conductivity and low magnetic permeability on the second surface of a certain shape, forming a second tape of a certain shape, a second tubular support element attached to the nipple end inside the axial hole, a second coil located coaxially with the second tubular support element, surrounded by it, resting on it and surrounding a second tape of a certain shape, but separated from it, and means for electrically connecting the coil windings of the first and second coils.
RU2003116162/03A 2001-06-14 2003-05-30 Section of pipe column with wires (variants) and inductive communication device for said section RU2304718C2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US10/160,311 US6641434B2 (en) 2001-06-14 2002-05-31 Wired pipe joint with current-loop inductive couplers
US10/160,311 2002-05-31

Publications (2)

Publication Number Publication Date
RU2003116162A true RU2003116162A (en) 2004-12-27
RU2304718C2 RU2304718C2 (en) 2007-08-20

Family

ID=22576380

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2003116162/03A RU2304718C2 (en) 2001-06-14 2003-05-30 Section of pipe column with wires (variants) and inductive communication device for said section

Country Status (11)

Country Link
US (1) US6641434B2 (en)
EP (1) EP1367216A3 (en)
CN (2) CN1328473C (en)
AU (1) AU2003203926B8 (en)
BR (1) BRPI0301573B1 (en)
CA (1) CA2428171C (en)
FR (1) FR2842673B1 (en)
GB (1) GB2389864B (en)
MX (1) MXPA03004657A (en)
NO (2) NO334051B1 (en)
RU (1) RU2304718C2 (en)

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