CN204831990U - Offshore oil and gas field corrosion monitoring aassessment nipple joint device - Google Patents
Offshore oil and gas field corrosion monitoring aassessment nipple joint device Download PDFInfo
- Publication number
- CN204831990U CN204831990U CN201520564586.4U CN201520564586U CN204831990U CN 204831990 U CN204831990 U CN 204831990U CN 201520564586 U CN201520564586 U CN 201520564586U CN 204831990 U CN204831990 U CN 204831990U
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- flange
- interface
- corrosion
- wall portion
- monitoring
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Abstract
The utility model provides an offshore oil and gas field corrosion monitoring aassessment nipple joint device, includes pipeline nipple joint, real -time on -line monitoring structure and regularly opens and inspect the monitoring structure, real -time on -line monitoring structure is including the flange interface A of pipe wall portion, ball valve A and the flange formula base A that connect gradually, and the corrosion probe that the monitoring facilities through cable and peripheral hardware is connected is installed at flange formula base A's installation cavity to the perpendicular welding downwards of the flange interface A of pipe wall portion on pipeline nipple joint side outer surface of the wall, regularly open and inspect the monitoring structure including connecting gradually the flange interface B of pipe wall portion, ball valve B and flange formula base B, the corrosion coupon is installed to the perpendicular welding downwards of the flange interface B of pipe wall portion in flange formula base B's installation cavity on pipeline nipple joint side outer surface of the wall, be close to the position of corrosion coupon and install the low frequency guided wave iron cobalt strip sensor joint of being connected through the cable and the guided wave equipment of peripheral hardware on pipeline nipple joint side outer surface of the wall. This device has improved the degree of accuracy of monitoring numerical value, avoids pressing at the tape and removes the corrosion monitoring component, from having improved operation safety.
Description
Technical field
The utility model is involved in offshore oil and gas field corrosion monitoring field, particularly a kind of offshore oil and gas field corrosion monitoring assessment pipe nipple apparatus.
Background technology
At present, in the corrosion monitoring of offshore oil and gas field routine, the general replacing using manual operation to carry out corrosion coupon dismounting and corrosion probe, conventional corrosion coupon dismounting and the replacing of corrosion probe need to be with press operation, and program is complicated and risk is higher.In addition, in observation process, corrosion coupon and corrosion probe are inserted in the inner chamber of pipeline pipe nipple from top to bottom, like this can in the surface adhesion of corrosion coupon and corrosion probe fluid, in most of the cases, the accuracy of monitoring numerical value can be reduced.
Summary of the invention
The utility model provides a kind of accuracy improving monitoring numerical value for solving in known technology the technical matters that exists, avoid online dismounting corrosion monitoring element with pressure, thus the offshore oil and gas field corrosion monitoring of handled easily and raising processing safety assessment pipe nipple apparatus.
The technical scheme that the utility model is taked for the technical matters existed in solution known technology is:
A kind of offshore oil and gas field corrosion monitoring assessment pipe nipple apparatus, comprises the pipeline pipe nipple that two ends are equipped with end flange interface; The sidewall of pipeline pipe nipple is respectively equipped with real time on-line monitoring structure near the position of both ends flange-interface and regularly opens and inspect monitoring of structures, it is characterized in that: described real time on-line monitoring structure comprises wall portion flange-interface A, ball valve A and the flange form pedestal A of coaxial connection successively from top to bottom, wall portion flange-interface A is welded on pipeline pipe nipple wall outer surface vertically downward, corrosion probe installation cavity is provided with at the center of flange form pedestal A, in corrosion probe installation cavity, be provided with corrosion probe, corrosion probe is connected with the monitoring equipment of peripheral hardware by cable; Described wall portion flange-interface B, ball valve B and the flange form pedestal B regularly opening and inspecting monitoring of structures and comprise coaxial connection successively from top to bottom, wall portion flange-interface B is welded on pipeline pipe nipple wall outer surface vertically downward, be provided with corrosion coupon installation cavity at the center of flange form pedestal B, in corrosion coupon installation cavity, corrosion coupon be installed; Pipeline pipe nipple wall outer surface is provided with low-frequency guided wave iron cobalt belt sensor joint near the position of corrosion coupon, and low-frequency guided wave iron cobalt belt sensor joint is by the guided wave equipment connection of cable and peripheral hardware.
The technical scheme that the utility model can also be taked is:
The length of described pipeline pipe nipple is 2m, distance between the center of wall portion flange-interface A and the center of wall portion flange-interface B is 1.3m, and the distance between the end flange interface of wall portion flange-interface A and corresponding end and the distance between the end flange interface of wall portion flange-interface B and corresponding end are 0.35m.
The advantage that the utility model has and good effect are:
This corrosion monitoring assessment pipe nipple apparatus is by real time on-line monitoring structure and regularly open and inspect the below that monitoring of structures is arranged on pipeline pipe nipple, and make corrosion probe and corrosion coupon away from the inner chamber of pipeline pipe nipple, like this, corrosion probe and corrosion coupon is made to be in the free water position of below, thus avoid the oil reservoir being positioned at pipeline pipe nipple top Corrosion Evaluation is affected, and then improve the accuracy of Corrosion Evaluation; On the other hand, adopt this Corrosion Evaluation pipe nipple apparatus, at dismounting corrosion coupon or when changing corrosion probe, only need close relevant position ball valve after pressure release, and then manually carry out operating, like this, avoid conventional disassembling operations online with pressure, thus facilitate the security operating and improve operation.In addition, when the connecting portion of corrosion coupon or corrosion probe and corresponding flange form pedestal occurs to leak, also only needing to close corresponding ball valve can operate.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1, pipeline pipe nipple; 1-1, end flange interface; 2, real time on-line monitoring structure; 2-1, wall portion flange-interface A; 2-2, ball valve A; 2-3, flange form pedestal A; 2-4, corrosion probe; 3, regularly monitoring of structures is opened and inspect; 3-1, wall portion flange-interface B; 3-2, ball valve B; 3-3, flange form pedestal B; 3-4, corrosion coupon; 4, low-frequency guided wave iron cobalt belt sensor joint.
Embodiment
For summary of the invention of the present utility model, Characteristic can be understood further, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Refer to Fig. 1, a kind of offshore oil and gas field corrosion monitoring assessment pipe nipple apparatus, comprises the pipeline pipe nipple 1 that two ends are equipped with end flange interface 1-1.The sidewall of pipeline pipe nipple is respectively equipped with real time on-line monitoring structure 2 near the position of both ends flange-interface and regularly opens and inspect monitoring of structures 3.Described real time on-line monitoring structure comprises wall portion flange-interface A2-1, ball valve A2-2 and the flange form pedestal A2-3 of coaxial connection successively from top to bottom, and wall portion flange-interface A is welded on pipeline pipe nipple wall outer surface vertically downward.Corrosion probe installation cavity is provided with at the center of flange form pedestal A, corrosion probe 2-4 is installed in corrosion probe installation cavity, corrosion probe is connected with the monitoring equipment of peripheral hardware by cable, like this, just in Central Control Room, by monitoring equipment, corrosion probe can be monitored data and show in real time.Described wall portion flange-interface B3-1, ball valve B3-2 and the flange form pedestal B3-3 regularly opening and inspecting monitoring of structures and comprise coaxial connection successively from top to bottom, wall portion flange-interface B is welded on pipeline pipe nipple wall outer surface vertically downward.Be provided with corrosion coupon installation cavity at the center of flange form pedestal B, corrosion coupon 3-4 is installed in corrosion coupon installation cavity.Position near corrosion coupon on pipeline pipe nipple wall outer surface is provided with low-frequency guided wave iron cobalt belt sensor joint 4, low-frequency guided wave iron cobalt belt sensor joint is by the guided wave equipment connection of cable and peripheral hardware, like this, just by low-frequency guided wave iron cobalt belt sensor joint and guided wave equipment, pipeline pipe nipple is carried out to the monitoring of the concentrated position of qualitative etch pit, when after the concentrated position determining etch pit, just carry out by the thick instrument in ultrasound wave side the wall thickness change confirming concentrated position, thus the final result obtaining corrosion monitoring.Above-mentioned corrosion probe and corrosion coupon adopt U.S. COSASCO matured product.
In said structure, the installation site of each several part is preferably: the length of described pipeline pipe nipple is 2m, distance between the center of wall portion flange-interface A and the center of wall portion flange-interface B is 1.3m, and the distance between the end flange interface of wall portion flange-interface A and corresponding end and the distance between the end flange interface of wall portion flange-interface B and corresponding end are 0.35m.
Claims (2)
1. an offshore oil and gas field corrosion monitoring assessment pipe nipple apparatus, comprises the pipeline pipe nipple that two ends are equipped with end flange interface; The sidewall of pipeline pipe nipple is respectively equipped with real time on-line monitoring structure near the position of both ends flange-interface and regularly opens and inspect monitoring of structures, it is characterized in that: described real time on-line monitoring structure comprises wall portion flange-interface A, ball valve A and the flange form pedestal A of coaxial connection successively from top to bottom, wall portion flange-interface A is welded on pipeline pipe nipple wall outer surface vertically downward, corrosion probe installation cavity is provided with at the center of flange form pedestal A, in corrosion probe installation cavity, be provided with corrosion probe, corrosion probe is connected with the monitoring equipment of peripheral hardware by cable; Described wall portion flange-interface B, ball valve B and the flange form pedestal B regularly opening and inspecting monitoring of structures and comprise coaxial connection successively from top to bottom, wall portion flange-interface B is welded on pipeline pipe nipple wall outer surface vertically downward, be provided with corrosion coupon installation cavity at the center of flange form pedestal B, in corrosion coupon installation cavity, corrosion coupon be installed; Pipeline pipe nipple wall outer surface is provided with low-frequency guided wave iron cobalt belt sensor joint near the position of corrosion coupon, and low-frequency guided wave iron cobalt belt sensor joint is by the guided wave equipment connection of cable and peripheral hardware.
2. offshore oil and gas field corrosion monitoring assessment pipe nipple apparatus according to claim 1, it is characterized in that: the length of described pipeline pipe nipple is 2m, distance between the center of wall portion flange-interface A and the center of wall portion flange-interface B is 1.3m, and the distance between the end flange interface of wall portion flange-interface A and corresponding end and the distance between the end flange interface of wall portion flange-interface B and corresponding end are 0.35m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520564586.4U CN204831990U (en) | 2015-07-30 | 2015-07-30 | Offshore oil and gas field corrosion monitoring aassessment nipple joint device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520564586.4U CN204831990U (en) | 2015-07-30 | 2015-07-30 | Offshore oil and gas field corrosion monitoring aassessment nipple joint device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204831990U true CN204831990U (en) | 2015-12-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520564586.4U Expired - Fee Related CN204831990U (en) | 2015-07-30 | 2015-07-30 | Offshore oil and gas field corrosion monitoring aassessment nipple joint device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204831990U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105527220A (en) * | 2016-03-09 | 2016-04-27 | 天津亿利科能源科技发展股份有限公司 | Online evaluation method of allowable maximum pressure of corrosion defective pipeline under internal pressure load |
| CN105675478A (en) * | 2016-04-11 | 2016-06-15 | 西安石油大学 | Anti-corrosion ultrahigh-pressure online hanging piece taking and hanging device and using method thereof |
| CN107991225A (en) * | 2018-01-03 | 2018-05-04 | 西南石油大学 | A kind of gas hydrates solid state fluidizing exploits corrosion of piping in-situ monitoring system |
| CN113281244A (en) * | 2021-05-24 | 2021-08-20 | 吴清玉 | Corrosion environment monitoring device |
-
2015
- 2015-07-30 CN CN201520564586.4U patent/CN204831990U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105527220A (en) * | 2016-03-09 | 2016-04-27 | 天津亿利科能源科技发展股份有限公司 | Online evaluation method of allowable maximum pressure of corrosion defective pipeline under internal pressure load |
| CN105675478A (en) * | 2016-04-11 | 2016-06-15 | 西安石油大学 | Anti-corrosion ultrahigh-pressure online hanging piece taking and hanging device and using method thereof |
| CN105675478B (en) * | 2016-04-11 | 2018-10-02 | 西安石油大学 | Anti-corrosion ultrahigh-pressure online hanging piece taking and hanging device and using method thereof |
| CN107991225A (en) * | 2018-01-03 | 2018-05-04 | 西南石油大学 | A kind of gas hydrates solid state fluidizing exploits corrosion of piping in-situ monitoring system |
| CN107991225B (en) * | 2018-01-03 | 2021-02-26 | 西南石油大学 | Corrosion in-situ monitoring system for natural gas hydrate solid-state fluidization exploitation pipeline |
| CN113281244A (en) * | 2021-05-24 | 2021-08-20 | 吴清玉 | Corrosion environment monitoring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20210730 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |