CN203432940U - Multi-sector scanning type electromagnetic flaw detector - Google Patents
Multi-sector scanning type electromagnetic flaw detector Download PDFInfo
- Publication number
- CN203432940U CN203432940U CN201320426065.3U CN201320426065U CN203432940U CN 203432940 U CN203432940 U CN 203432940U CN 201320426065 U CN201320426065 U CN 201320426065U CN 203432940 U CN203432940 U CN 203432940U
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- pipe nipple
- skeleton
- crack detector
- formula magnetic
- magnetic crack
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- Expired - Lifetime
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Abstract
The utility model relates to a multi-sector scanning type electromagnetic flaw detector comprising a measuring framework and a flaw detection pup joint arranged on the measuring framework, wherein the flaw detection pup joint comprises at least two horizontal minor axis probes arranged in the radial direction of the measuring framework and vertical long axis probes arranged in the axial direction of the measuring framework; the horizontal minor axis probes and the vertical long axis probes are arranged on the measuring framework from top to bottom. The utility model provides the multi-sector scanning type electromagnetic flaw detector which is wide in flaw detection range and strong in recognition capability.
Description
Technical field
The utility model belongs to Exploration Domain, relates to a kind of Casing Detection instrument, relates in particular to a kind of many sector scannings formula magnetic crack detector that is applied to field produces well logging use.
Background technology
At present, many maturing field casing damage wells are increasing year by year trend, and to regional development, this will have a strong impact on the output in oil field.Utilize Electromagnetism Inspection Technique to generally investigate, evaluate the degree of injury of sleeve pipe, understanding and prevention cover damage zonal expansion and take measures in time significant.
It is electricity and the magnetic property that utilizes sleeve pipe to present under electromagnetic action that electromagnetic method detects, and detects the situation of down-hole casing according to electromagnetic induction principle.Electromagnetic test detects the damaged condition of oil pipe and sleeve pipe in oil pipe, and the damaged condition that detects sleeve pipe and surface string in sleeve pipe, has saved opex and the time of lower oil tube while checking sleeve.Therefore, it can carry out " health check-up " to oil gas, Water Well body structure, finds in time the deformed damaged situation of hole structure.
Existing magnetic crack detector, higher to the distinguishing indexes requirement of hole and defect, especially to perforation, cannot accurately measure, cause in some test events and use function limitation, production efficiency and economic benefit are all affected, and therefore, research and develop a kind of novel magnetic crack detector just extremely urgent.
Utility model content
In order to solve the above-mentioned technical matters existing in background technology, the utility model provides a kind of many sector scannings formula magnetic crack detector that inspected area is wide and recognition capability is strong that has.
Technical solution of the present utility model is: the utility model provides a kind of many sector scannings formula magnetic crack detector, comprises and measures skeleton and be arranged on the flaw detection pipe nipple of measuring on skeleton; Described flaw detection pipe nipple comprises being arranged on to be measured the horizontal minor axis probe of skeleton radial direction and is arranged on longitudinal major axis probe of measuring on skeleton axial direction; Described horizontal minor axis probe and longitudinally major axis probe are arranged on from top to bottom to be measured on skeleton; Its special character is: described horizontal minor axis probe is at least two.
Above-mentioned horizontal minor axis probe is 6.
Angle between above-mentioned adjacent transverse minor axis probe is 60 °.
Above-mentioned many sector scannings formula magnetic crack detector also comprises gamma well temperature pipe nipple; Described flaw detection pipe nipple and gamma well temperature pipe nipple are successively set on from top to bottom to be measured on skeleton.
Above-mentioned gamma well temperature pipe nipple comprises that being successively set on gamma-ray probe and the well temperature measured on skeleton from top to bottom pops one's head in.
Above-mentioned many sector scannings formula magnetic crack detector also comprises for defectoscope being carried out to orientation, the inclination angle pipe nipple of eccentric correction and definite damage position; Described flaw detection pipe nipple, gamma well temperature pipe nipple and orientation, inclination angle pipe nipple are successively set on from top to bottom to be measured on skeleton.
Above-mentioned many sector scannings formula magnetic crack detector also comprises the centralizer that is separately positioned on measurement skeleton top and bottom.
Above-mentioned centralizer is rolling wheel centralizer.
Above-mentioned rollers centralizer is 6 arm rolling wheel centralizers.
The utility model has the advantages that:
The utility model provides a kind of many sector scannings formula magnetic crack detector, this defectoscope adopts at least two horizontal minor axis probes to be divided into a plurality of sectors to same cross section, carry out omnibearing detection, for example can adopt 6 horizontal minor axis probes that instrument is radially divided into 12 sectors, improved the index of defect recognition, make defectoscope can be good at identification from present can not fine identification perforation interval becoming, to the damage that can identify other, the length requirement such as the crack of vertical, horizontal type shortens simultaneously, identification range is wider, and instrument performance increases substantially; Increase orientation, inclination angle pipe nipple, can determine better the position of damage, improved the precision of instrument identification; On wall thickness algorithm by before major axis, the computing method of minor axis combination, be reduced to the test curve of only being popped one's head in by major axis and calculate casing wall thickness value, thereby greatly simplified algorithm, improved instrument reliability of operation; Simultaneously in order to meet difference, connect performance requirement, this instrument has also been unified interface, can realization coordinates well logging with the instrument such as multi-arm caliper, electromagnetic thickness measuring, gyroscopic survey instrument, thus realization once go into the well, obtain a plurality of useful parameters.
Accompanying drawing explanation
Fig. 1 is many sector scannings formula magnetic crack detector one-piece construction schematic diagram provided by the utility model;
Wherein:
The upper centralizer pipe nipple of 1-; The horizontal minor axis probe of 2-; The longitudinal major axis probe of 3-; 4-gamma probe; 5-temp probe; Orientation, 6-inclination angle pipe nipple; Centralizer pipe nipple under 7-; The 8-pipe nipple of detecting a flaw; 9-gamma well temperature pipe nipple.
Embodiment
Referring to Fig. 1, the utility model provides a kind of many sector scannings formula magnetic crack detector, comprises and measures skeleton and be arranged on the flaw detection pipe nipple 8 of measuring on skeleton; Flaw detection pipe nipple 8 comprises being arranged on to be measured the horizontal minor axis probe 2 of skeleton radial direction and is arranged on longitudinal major axis probe 3 of measuring on skeleton axial direction; Laterally minor axis probe 2 and longitudinal major axis probe 3 are arranged on from top to bottom and measure on skeleton; Laterally minor axis probe 2 is at least two.Two or more horizontal minor axis probes 2 are divided into a plurality of sectors by same cross section, sector is surveyed, improved the index of defect recognition, make defectoscope can be good at identification from present can not fine identification perforation interval becoming, to the damage that can identify other, the length requirement such as the crack of vertical, horizontal type shortens simultaneously, identification range is wider, and instrument performance increases substantially.Longitudinally major axis probe 3 is for calculated wall thickness, identification individual layer and multilayer defect; Laterally minor axis probe 2 is for identifying transverse crack defect, perforation interval, the hole damage of individual layer;
As preferably, the utility model adopts 6 horizontal minor axises probes 2, and the angle between these 6 adjacent transverse minor axises probes 2 is 60 °.
Many sector scannings formula magnetic crack detector also comprises gamma well temperature pipe nipple 9; Flaw detection pipe nipple 8 and gamma well temperature pipe nipple 9 are successively set on from top to bottom to be measured on skeleton.
Gamma well temperature pipe nipple 9 comprises that being successively set on gamma-ray probe 4 and the well temperature measured on skeleton from top to bottom pops one's head in 5.5 variations for detection of in-hole fluid temperature field of well temperature probe; It is dark that gamma-ray probe 4 is used for school.
Many sector scannings formula magnetic crack detector also comprises for defectoscope being carried out to orientation, the inclination angle pipe nipple 6 of eccentric correction and definite damage position; Flaw detection pipe nipple 8, gamma well temperature pipe nipple 9 and orientation, inclination angle pipe nipple 6 are successively set on from top to bottom to be measured on skeleton.
Many sector scannings formula magnetic crack detector also comprises the 6 arm rolling wheel centralizers that are separately positioned on measurement skeleton top and bottom.
The instrument external diameter of magnetic crack detector adopts 43mm, and structure is divided into five pipe nipples, comprising upper roller centralizer 1, and bottom roller centralizer 7, flaw detection pipe nipple 8 and gamma well temperature pipe nipple 9, orientation, inclination angle pipe nipple 6.Flaw detection pipe nipple 8 comprises 3,6 horizontal minor axis probes 2 of longitudinal major axis probe.Gamma well temperature pipe nipple comprises gamma-ray probe and well temperature probe, and orientation, inclination angle pipe nipple comprises inclination angle aspect sensor.Longitudinally major axis probe is mainly used to calculated wall thickness, identification individual layer and multilayer defect and longitudinal crack; 6 horizontal minor axis probes are used for identifying individual layer transverse defect.It is dark that gamma-ray probe is mainly used to school; Well temperature probe is mainly used to detect the variation in in-hole fluid temperature field.Orientation, inclination angle pipe nipple provides instrument eccentric correction and the definite foundation of defective locations.
Flaw detection pipe nipple 8 mainly comprises longitudinal major axis A probe 3, horizontal minor axis probe 2B1～B6; Gamma well temperature pipe nipple 9 mainly comprises gamma probe 4 and temp probe 5; Orientation, inclination angle pipe nipple 6.If use electromagnetic test well logging to combine well logging with 40 arm well-calipering apparatuss, without articulating gamma well temperature pipe nipple 9, orientation, inclination angle pipe nipple 6; Otherwise, should articulate gamma well temperature pipe nipple 9, orientation, inclination angle pipe nipple 6.Can connect flexibly like this, easy for installation.
Claims (9)
1. the formula of sector scanning a more than magnetic crack detector, comprises and measures skeleton and be arranged on the flaw detection pipe nipple of measuring on skeleton; Described flaw detection pipe nipple comprises being arranged on to be measured the horizontal minor axis probe of skeleton radial direction and is arranged on longitudinal major axis probe of measuring on skeleton axial direction; Described horizontal minor axis probe and longitudinally major axis probe are arranged on from top to bottom to be measured on skeleton; It is characterized in that: described horizontal minor axis probe is at least two.
2. many sector scannings formula magnetic crack detector according to claim 1, is characterized in that: described horizontal minor axis probe is 6.
3. many sector scannings formula magnetic crack detector according to claim 2, is characterized in that: the angle between described adjacent transverse minor axis probe is 60 °.
4. according to the many sector scannings formula magnetic crack detector described in claim 1 or 2 or 3, it is characterized in that: described many sector scannings formula magnetic crack detector also comprises gamma well temperature pipe nipple; Described flaw detection pipe nipple and gamma well temperature pipe nipple are successively set on from top to bottom to be measured on skeleton.
5. many sector scannings formula magnetic crack detector according to claim 4, is characterized in that: described gamma well temperature pipe nipple comprises that being successively set on gamma-ray probe and the well temperature measured on skeleton from top to bottom pops one's head in.
6. many sector scannings formula magnetic crack detector according to claim 5, is characterized in that: described many sector scannings formula magnetic crack detector also comprises for defectoscope being carried out to orientation, the inclination angle pipe nipple of eccentric correction and definite damage position; Described flaw detection pipe nipple, gamma well temperature pipe nipple and orientation, inclination angle pipe nipple are successively set on from top to bottom to be measured on skeleton.
7. many sector scannings formula magnetic crack detector according to claim 6, is characterized in that: described many sector scannings formula magnetic crack detector also comprises the centralizer that is separately positioned on measurement skeleton top and bottom.
8. many sector scannings formula magnetic crack detector according to claim 7, is characterized in that: described centralizer is rolling wheel centralizer.
9. many sector scannings formula magnetic crack detector according to claim 8, is characterized in that: described rolling wheel centralizer is 6 arm rolling wheel centralizers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320426065.3U CN203432940U (en) | 2013-07-17 | 2013-07-17 | Multi-sector scanning type electromagnetic flaw detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320426065.3U CN203432940U (en) | 2013-07-17 | 2013-07-17 | Multi-sector scanning type electromagnetic flaw detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203432940U true CN203432940U (en) | 2014-02-12 |
Family
ID=50061971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320426065.3U Expired - Lifetime CN203432940U (en) | 2013-07-17 | 2013-07-17 | Multi-sector scanning type electromagnetic flaw detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203432940U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108625844A (en) * | 2017-03-17 | 2018-10-09 | 中石化石油工程技术服务有限公司 | A kind of calibration of gamma and test device |
-
2013
- 2013-07-17 CN CN201320426065.3U patent/CN203432940U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108625844A (en) * | 2017-03-17 | 2018-10-09 | 中石化石油工程技术服务有限公司 | A kind of calibration of gamma and test device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140212 |