CN202024984U - Ocean stand pipe nondestructive testing device and centralizer thereof - Google Patents
Ocean stand pipe nondestructive testing device and centralizer thereof Download PDFInfo
- Publication number
- CN202024984U CN202024984U CN2011200632499U CN201120063249U CN202024984U CN 202024984 U CN202024984 U CN 202024984U CN 2011200632499 U CN2011200632499 U CN 2011200632499U CN 201120063249 U CN201120063249 U CN 201120063249U CN 202024984 U CN202024984 U CN 202024984U
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- marine riser
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- detection device
- protective sleeve
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Abstract
An ocean stand pipe nondestructive testing device comprises homopolar probes and a centralizer, wherein the centralizer comprises a fixing piece and at least two balance columns; the balance columns are fixed at one end of the fixing piece and are separated from each other; at least the two homopolar probes are provided, and are arranged at the other end of the fixing piece in a mutually spaced manner; and the exposed length of each balance column out of the fixing piece is equal to that of each homopolar probe out of the fixing piece. The exposed length of each balance column out of the fixing piece in the centralizer of the ocean stand pipe nondestructive testing device is equal to that of each homopolar probe out of the fixing piece, and the balance columns and the homopolar probes are respectively arranged at the two ends of the fixing piece, so that the homopolar probes can be approximately perpendicular to an inner wall of an ocean stand pipe when in detection, and the measuring error can be reduced. Therefore, the measuring error of the ocean stand pipe nondestructive testing device becomes less. The utility model also provides the centralizer of the ocean stand pipe nondestructive testing device.
Description
Technical field
The utility model relates to a kind of marine riser the cannot-harm-detection device and centralizer thereof.
Background technology
Present marine riser the cannot-harm-detection device both domestic and external is mainly electromagnetic exploration apparatus, and it is the monopolar type probe, a marine riser applicable to a certain special diameter.When adopting a plurality of monopolar type probes in marine riser, to detect simultaneously, be difficult to guarantee that the monopolar type probe is vertical substantially with the inwall of marine riser, cause measuring error bigger.
Summary of the invention
In view of above-mentioned condition, the utility model provides a kind of measuring error less marine riser the cannot-harm-detection device and centralizer thereof.
A kind of marine riser the cannot-harm-detection device, it comprises one pole probe and centralizer, centralizer comprises a fixture and is fixed at least two balance columns of being separated by mutually of an end of fixture, the one pole probe is the other end that fixture is located at least two and space, and each balance columns exposes the outer length of this fixture and each one pole probe exposes the outer equal in length of this fixture.
Further improve as technique scheme, this each one pole probe also comprises protective sleeve, and this electromagnetism spare is contained in the protective sleeve slidably, and an end of this electromagnetism spare exposes outside this protective sleeve.
Further improve as technique scheme, this each one pole probe comprises with respect to this fixture electromagnetism spare slidably.
Further improve as technique scheme, this protective sleeve is the cylinder with bottom.
Further improve as technique scheme, the material of this protective sleeve is the antimagnetic material of waterproof.
Further improve as technique scheme, this each one pole probe also comprises the regulating part that is contained in this protective sleeve and offsets with electromagnetism spare, by this position of this electromagnetism spare of regulating part scalable in this protective sleeve.
Further improve as technique scheme, this each one pole probe comprises also and is contained in this protective sleeve and is sheathed on elastic component on this regulating part that this elastic component is held between the bottom of this electromagnetism spare and this protective sleeve.
Further improve as technique scheme, this regulating part is the double-screw bolt that wears this protective sleeve bottom.
Further improve as technique scheme, this electromagnetism spare comprises main body, be wrapped in the iron core in this main body and be included in the main body and be wound in conductive coil on the iron core, and an end of this iron core exposes outside the main body.
A kind of centralizer, it is used to set upright the one pole probe, it is characterized in that: this centralizer comprises fixture and is fixed in the balance columns of at least two spaces of this fixture one end that this one pole probe is fixed in the other end of this fixture.
The balance columns of the centralizer of above-mentioned marine riser the cannot-harm-detection device exposes the outer length of fixture and the one pole probe exposes the outer equal in length of fixture, and balance columns and one pole probe are located at the two ends of fixture respectively, make the one pole probe vertical substantially with the inwall of marine riser when detecting, reduce measuring error.Therefore, the measuring error of above-mentioned marine riser the cannot-harm-detection device is less.
Description of drawings
Fig. 1 is the schematic perspective view of marine riser the cannot-harm-detection device of embodiment one of the present utility model.
Fig. 2 is the schematic perspective view at another visual angle of marine riser the cannot-harm-detection device shown in Figure 1.
Fig. 3 is the diagrammatic cross-section of marine riser the cannot-harm-detection device shown in Figure 1 part.
Fig. 4 is marine riser the cannot-harm-detection device shown in Figure 1 view when detecting marine riser.
Fig. 5 is the schematic perspective view of the marine riser of embodiment two of the present utility model.
Embodiment
For making the purpose of this utility model, technical scheme and advantage are clearer, below in conjunction with accompanying drawing marine riser the cannot-harm-detection device of the present utility model are described in further detail.
See also Fig. 1 and Fig. 2, marine riser the cannot-harm-detection device 100 of embodiment one of the present utility model comprises centralizer (figure is mark not) and four one pole probes 20.Centralizer comprises a fixture 10 and four balance columns 40.Fixture 10 is roughly cylindric.Four one pole probes 20 are fixed in an end of fixture 10 spaced reciprocally, and arrange along two orthogonal diameters of fixture 10.Four balance columns 40 are fixed in the other end of fixture 10 spaced reciprocally, and arrange along the orthogonal diameter of the two other of fixture 10, and intersect with four one pole probes 20.Balance columns 40 exposes fixture 10 length and one pole probe 20 outward and exposes fixture 10 equal in length outward.
See also Fig. 3, each one pole probe 20 comprises protective sleeve 21, electromagnetism spare 23, regulating part 25 and elastic component 27.Electromagnetism spare 23 is contained in the protective sleeve 21 slidably, and an end exposes outside the protective sleeve 21.Regulating part 25 parts are contained in the protective sleeve 21, and offset with electromagnetism spare 23, by regulating part 25 positions of scalable electromagnetism spare 21 in protective sleeve 21.Elastic component 27 is contained in the protective sleeve 21, and is sheathed on the regulating part 25.
Protective sleeve 21 is the cylinder of end sealing, and it has bottom 212.Protective sleeve 21 can adopt waterproof and antimagnetic material to make
Electromagnetism spare 23 comprises main body 231, iron core 233 and conductive coil 235.Iron core 233 is wrapped in the main body 231, and an end exposes outside the main body 231.Conductive coil 233 closely is wrapped on the iron core 233, and is wrapped in the main body 231.Main body 231 can be made by plastics commonly used, to reduce electromagnetism spare 23 costs.
Specifically in embodiment, regulating part 25 is screw element, for example double-screw bolt, screw etc.Regulating part 25 wears the bottom 212 of protective sleeve 21.Elastic component 27 is a helical spring.Elastic component 27 is held between the bottom 212 and electromagnetism spare 23 of protective sleeve 21.
See also Fig. 4, when adopting marine riser the cannot-harm-detection device 100 to detect marine riser 101, at first, the regulating part 25 of back-outing.Then, according to the position of diameter adjustment electromagnetism spare 23 in protective sleeve 21 of marine riser 101, the end that the iron core 233 of electromagnetism spare 23 is exposed is equal to the diameter of marine riser 101 substantially to the distance in the fixture center of circle.Then, regulating part 25 is fixed on the protective sleeve 21, and an end of regulating part and an end group of electromagnetism spare 23 are originally supported.At last, marine riser the cannot-harm-detection device 100 is positioned in the marine riser 101, elastic component 27 flexibly supports with electromagnetism spare 23.Four balance columns 40 offset with the inwall of marine riser 101, and the inwall of Yu Haiyang standpipe 101 is vertical substantially all the time to make one pole probe 20.
The balance columns 40 of the centralizer of above-mentioned marine riser the cannot-harm-detection device 100 exposes fixture 10 length and one pole probe 20 outward and exposes fixture 10 equal in length outward, and balance columns 40 and one pole probe 20 are located at the two ends of fixture 10 respectively, make one pole probe 20 vertical substantially with the inwall of marine riser 101 when detecting, reduce measuring error.Therefore, the measuring error of above-mentioned marine riser the cannot-harm-detection device 100 is less.
The marine riser the cannot-harm-detection device 200 that sees also Fig. 5 embodiment two of the present utility model is similar substantially to marine riser the cannot-harm-detection device 100 of embodiment one, its difference is: marine riser the cannot-harm-detection device 200 comprises two one pole probes 20, fixture 30 is the ring of rectangle, and two one pole probes 20 are fixed on the fixture 30 symmetrically.
Be appreciated that one pole probe 20 is not limited to two or four, it can be more than three and four.Balance columns 40 is not limited to two or four, and it can be more than three and four.The also available one pole probe 20 of balance columns 40 is replaced.
The above; it only is the preferable embodiment of the utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; can expect easily changing or replacing, all should cover within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (10)
1. marine riser the cannot-harm-detection device, it comprises the one pole probe, it is characterized in that: this marine riser the cannot-harm-detection device also comprises centralizer, this centralizer comprises a fixture and is fixed at least two balance columns of being separated by mutually of an end of this fixture, this one pole probe is the other end that this fixture is located at least two and space, and each balance columns exposes the outer length of this fixture and each one pole probe exposes the outer equal in length of this fixture.
2. marine riser the cannot-harm-detection device as claimed in claim 1 is characterized in that: this each one pole probe comprises with respect to this fixture electromagnetism spare slidably.
3. marine riser the cannot-harm-detection device as claimed in claim 2 is characterized in that: this each one pole probe also comprises protective sleeve, and this electromagnetism spare is contained in the protective sleeve slidably, and an end of this electromagnetism spare exposes outside this protective sleeve.
4. marine riser the cannot-harm-detection device as claimed in claim 3 is characterized in that: this protective sleeve is the cylinder with bottom.
5. marine riser the cannot-harm-detection device as claimed in claim 3 is characterized in that: the material of this protective sleeve is the antimagnetic material of waterproof.
6. marine riser the cannot-harm-detection device as claimed in claim 3 is characterized in that: this each one pole probe also comprises the regulating part that is contained in this protective sleeve and offsets with electromagnetism spare, by this position of this electromagnetism spare of regulating part scalable in this protective sleeve.
7. marine riser the cannot-harm-detection device as claimed in claim 6 is characterized in that: this each one pole probe comprises also and is contained in this protective sleeve and is sheathed on elastic component on this regulating part that this elastic component is held between the bottom of this electromagnetism spare and this protective sleeve.
8. marine riser the cannot-harm-detection device as claimed in claim 6 is characterized in that: this regulating part is the double-screw bolt that wears this protective sleeve bottom.
9. marine riser the cannot-harm-detection device as claimed in claim 2 is characterized in that: this electromagnetism spare comprises main body, be wrapped in the iron core in this main body and be included in the main body and be wound in conductive coil on the iron core, and an end of this iron core exposes outside the main body.
10. centralizer, it is used to set upright the one pole probe, it is characterized in that: this centralizer comprises fixture and is fixed in the balance columns of at least two spaces of this fixture one end that this one pole probe is fixed in the other end of this fixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200632499U CN202024984U (en) | 2011-02-24 | 2011-02-24 | Ocean stand pipe nondestructive testing device and centralizer thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200632499U CN202024984U (en) | 2011-02-24 | 2011-02-24 | Ocean stand pipe nondestructive testing device and centralizer thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202024984U true CN202024984U (en) | 2011-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200632499U Expired - Fee Related CN202024984U (en) | 2011-02-24 | 2011-02-24 | Ocean stand pipe nondestructive testing device and centralizer thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202024984U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314562A (en) * | 2014-10-20 | 2015-01-28 | 中国石油天然气股份有限公司 | In-well electromagnetic centering device |
| CN105818946A (en) * | 2016-04-29 | 2016-08-03 | 中国海洋大学 | Marine riser detection and conveying device and detection system |
| CN104314562B (en) * | 2014-10-20 | 2017-01-04 | 中国石油天然气股份有限公司 | Electromagnetism erection device in a kind of well |
| CN109138839A (en) * | 2018-11-01 | 2019-01-04 | 中国科学院南京地理与湖泊研究所 | Lake deep drilling vertical sampling automatic deviation rectifying device and method |
| CN114198085A (en) * | 2021-11-22 | 2022-03-18 | 中国石油天然气股份有限公司 | Probe type casing loss detection device and method |
-
2011
- 2011-02-24 CN CN2011200632499U patent/CN202024984U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314562A (en) * | 2014-10-20 | 2015-01-28 | 中国石油天然气股份有限公司 | In-well electromagnetic centering device |
| CN104314562B (en) * | 2014-10-20 | 2017-01-04 | 中国石油天然气股份有限公司 | Electromagnetism erection device in a kind of well |
| CN105818946A (en) * | 2016-04-29 | 2016-08-03 | 中国海洋大学 | Marine riser detection and conveying device and detection system |
| CN105818946B (en) * | 2016-04-29 | 2017-09-01 | 中国海洋大学 | Marine riser detects conveying arrangement and detecting system |
| CN109138839A (en) * | 2018-11-01 | 2019-01-04 | 中国科学院南京地理与湖泊研究所 | Lake deep drilling vertical sampling automatic deviation rectifying device and method |
| CN109138839B (en) * | 2018-11-01 | 2023-07-04 | 中国科学院南京地理与湖泊研究所 | Automatic deviation rectifying device and method for vertical sampling of deep drilling of lake |
| CN114198085A (en) * | 2021-11-22 | 2022-03-18 | 中国石油天然气股份有限公司 | Probe type casing loss detection device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111102 Termination date: 20130224 |