CN114183122B - Device and method for detecting depth of corroded pit on inner wall of well cementation fracturing manifold - Google Patents
Device and method for detecting depth of corroded pit on inner wall of well cementation fracturing manifold Download PDFInfo
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- CN114183122B CN114183122B CN202111498329.1A CN202111498329A CN114183122B CN 114183122 B CN114183122 B CN 114183122B CN 202111498329 A CN202111498329 A CN 202111498329A CN 114183122 B CN114183122 B CN 114183122B
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- 238000000034 method Methods 0.000 title abstract description 10
- 230000007797 corrosion Effects 0.000 claims abstract description 46
- 238000005260 corrosion Methods 0.000 claims abstract description 46
- 238000001514 detection method Methods 0.000 claims abstract description 39
- 238000003384 imaging method Methods 0.000 claims abstract description 27
- 230000009193 crawling Effects 0.000 claims abstract description 25
- 230000008878 coupling Effects 0.000 claims abstract description 4
- 238000010168 coupling process Methods 0.000 claims abstract description 4
- 238000005859 coupling reaction Methods 0.000 claims abstract description 4
- 238000005259 measurement Methods 0.000 claims description 11
- 238000004088 simulation Methods 0.000 claims description 7
- 238000007689 inspection Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 4
- 230000007547 defect Effects 0.000 abstract description 4
- 230000008569 process Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- 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
- E21B47/00—Survey of boreholes or wells
- E21B47/006—Detection of corrosion or deposition of substances
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Mining & Mineral Resources (AREA)
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- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The utility model provides a well cementation fracturing manifold inner wall corrodes pit degree of depth detection device, includes: the device comprises an imaging module, a corrosion depth measuring module and a signal processing module, wherein the imaging module, the corrosion depth measuring module and the signal processing module are connected through a universal coupling, and each module is provided with a crawling device; the imaging module is used for recording the condition of the inner wall of the pipeline in real time, the corrosion depth measuring module is used for measuring pit depth in the pipeline, the signal processing module is used for controlling the starting and stopping of the crawling device, and data recorded by the imaging module and the corrosion depth measuring module are transmitted to a remote handheld computer. The invention can automatically detect the depth of the pit and alarm so as to solve the problem that the defects cannot be accurately positioned and quantitatively measured by the traditional method.
Description
Technical Field
The invention belongs to a detection device of petroleum drilling equipment, and particularly relates to a detection device and a detection method for the depth of a corroded pit on the inner wall of a manifold.
Background
With the improvement of the manufacturing level of the domestic high-pressure manifold, various types of manifolds with the caliber of 2-6 inches and the pressure of 35-175 MPa are put into well cementation fracturing operation, and good effects are obtained. In the well cementation fracturing construction process, along with erosion of sand liquid and corrosion of acid media, pits are easily formed in the manifold, the residual use strength and the residual service life of the manifold are reduced, if the residual wall thickness value of the manifold is smaller than the recommended value of the wall thickness limit, burst accidents occur in the use process, the fracturing operation construction process is affected, and property loss or casualties are caused. For this, it is necessary to perform regular inspection of the high-pressure manifold and evaluate the depth of the corroded pit of the inner wall of the manifold to estimate the service life and bearing capacity of the manifold.
In the practical inspection process, especially for large-diameter manifolds, the length may reach tens of meters, and the inner surface is generally visually inspected at both ends of the manifold, so that the corrosion condition of the inner surface is observed from a macroscopic angle. If the inner surface of the middle part of the manifold is provided with corrosion pits, the positioning is difficult, the quantitative measurement of defects is carried out, and misjudgment is caused.
Disclosure of Invention
The invention aims to provide a device and a method for detecting the depth of a corroded pit on the inner wall of a well cementation fracturing manifold, which can automatically detect the depth of the pit and give an alarm so as to solve the problem that defects cannot be accurately positioned and quantitatively measured by the traditional method.
The invention is realized by the following technical scheme:
the utility model provides a well cementation fracturing manifold inner wall corrodes pit degree of depth detection device which characterized in that: the device comprises: the device comprises an imaging module, a corrosion depth measuring module and a signal processing module, wherein the imaging module, the corrosion depth measuring module and the signal processing module are connected through a universal coupling, and each module is provided with a crawling device; the imaging module is used for recording the condition of the inner wall of the pipeline in real time, the corrosion depth measuring module is used for measuring pit depth in the pipeline, the signal processing module is used for controlling the starting and stopping of the crawling device, and data recorded by the imaging module and the corrosion depth measuring module are transmitted to a remote handheld computer.
The crawling device comprises a roller, a connecting device and a spring, one end of a connecting rod is connected with the roller, the other end of the connecting rod is connected with a main body frame of each module, the spring is further connected between the connecting rod and the main body frame, the roller is guaranteed to be attached to the inner wall of a pipeline, and the roller is provided with a driving motor for providing power for roller walking.
The corrosion depth measuring module comprises a main body frame I, a supporting rod, springs, reference blocks and a laser transceiver, wherein a plurality of reference blocks are uniformly distributed in the circumferential direction of the main body frame, the outer surface of each reference block is an arc surface, the inner surface of each reference block is provided with a supporting hole without a through hole and a fixing hole with a through hole, one end of each supporting rod is fixed on the main body frame I, the supporting rod is sleeved with the springs, and the other end of each supporting rod extends into the supporting hole and leaves a space at the bottom of the hole; the emitting surface of the laser transceiver is a curved surface, the radius of the emitting surface is consistent with that of the reference block, and the emitting surface is arranged in the fixing hole and is completely attached to the outer surface of the reference block.
The cambered surface diameter of the reference block is larger than the inner diameter of the manifold, and the two ends of the reference block are rounded corners, so that the reference block is conveniently placed in the manifold; and meanwhile, the narrower the reference blocks are, the more the reference blocks are in number, and the more accurate the measurement effect is.
The full-view high-definition imaging module comprises a main body frame II, a high-definition camera and an explosion-proof lighting lamp, wherein the high-definition camera and the explosion-proof lighting lamp are fixed on the main body frame II and used for recording the condition of the inner wall of a pipeline in real time.
The signal processing module comprises a main body frame III, a battery and a signal box, wherein the battery and the signal box are arranged on the main body frame III, the battery provides electric energy for the detection device to work, and the signal box is used for controlling the walking of the crawling device, collecting and processing video information sent by the imaging module and pit information sent by the corrosion depth measuring module, and transmitting the information to the handheld tablet computer in real time and wirelessly.
The detection method comprises the following specific operation steps:
(1) The debugging detection device enables the high-definition camera, the explosion-proof illuminating lamp and the laser transceiver to function normally;
(2) Setting a limit value of a corrosion pit on the inner wall of a manifold on a handheld tablet computer, and transmitting data to a signal processing module in a wireless mode;
(3) Placing the detection device into a manifold, and tightly attaching the crawling device of each module and the reference block of the corrosion depth measurement module to the inner wall of the manifold through springs;
(4) Operating the handheld tablet computer, driving the crawling device to move forwards, transmitting data to the handheld tablet computer by the imaging module, displaying videos of the inner wall of the manifold, pit simulation morphology and depth values in real time, and analyzing the corrosion condition of the inner wall of the manifold according to the graph;
(5) When the corrosion depth measuring module detects that the pit depth value exceeds the limit value, the signal processing module sends data to the handheld tablet computer to give an alarm for prompting.
The invention has the advantages that:
1. This patent is through integrating imaging module, corruption degree of depth measurement module, signal processing module into a detection device to can creep in the pipeline, automatic acquisition image, automated inspection degree of depth have solved the unable accurate positioning of tradition macroscopic inspection to manifold intermediate position inner wall pit defect and quantitative measurement's problem. Meanwhile, the method adopts a mode of combining the pit simulation morphology and the depth value, the pit condition of the inner wall of the manifold is displayed in real time, and the pit depth display is more visual;
2. The labor intensity of detection personnel is reduced. The detection device is adopted for automatic detection, and when the pit depth value is detected to exceed the limit value, the handheld tablet computer alarms to prompt, so that the condition of missed detection in the traditional detection mode is avoided;
3. The reference block is movably connected with the support rod, and the reference block is fixed by the elasticity of the spring, so that the reference block can be tightly attached to the inner wall of the pipeline; meanwhile, the diameter of the reference block is larger than the inner diameter of the pipeline, so that the fitting degree can be ensured, and the crawling resistance is reduced. Meanwhile, the number of the reference blocks, namely the number of the laser transceivers, can be increased, so that the accuracy of the detection result can be improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
Detailed Description
The present invention will now be described in further detail with reference to the drawings and examples, wherein the examples are illustrated in some, but not all, embodiments of the invention.
As shown in FIG. 1, the device for detecting the depth of the corrosion pit on the inner wall of a well cementation fracturing manifold comprises an imaging module 1, a corrosion depth measuring module 2, a signal processing module 3 and a handheld tablet computer, wherein the modules are connected by adopting a universal coupling 4, and each module is provided with a crawling device; the imaging module 1 is used for recording the condition of the inner wall of the pipeline in real time, the corrosion depth measuring module 2 is used for measuring pit depth in the pipeline, the signal processing module 3 is used for controlling the starting and stopping of the crawling device, and data recorded by the imaging module and the corrosion depth measuring module can be transmitted to a remote handheld computer.
The imaging module 1 includes: the device comprises a main body frame I11, a crawling device I12, a high-definition camera 13 and an explosion-proof lighting lamp 14, and is used for macroscopic inspection of the inner surface of a manifold. The first crawling device 12 is composed of a roller 121, a connecting device 122, a spring 123 and the like, one end of the connecting device 122 is connected with the roller 121, and the other end is connected with the main body frame 11. One end of the spring 123 is fixed to the connecting means 122, and the other end is fixed to the main body frame 11. The roller 121 is provided with a driving motor, and the driving motor provides power for the roller 121 to walk. In operation, the rollers 121 are attached to the manifold inner wall under the tension of the springs 123 and uniformly distributed in the circumferential direction.
The corrosion depth measurement module 2 includes: the device comprises a main body frame II 21, a supporting rod 22, a spring 23, a reference block 24, a laser transceiver 25 and a crawling device II 26. Reference blocks 24 are uniformly distributed in the circumferential direction of the main body frame 21, the length of each reference block 24 is 100mm, the center line of the length direction is parallel to the axis of the manifold, a support hole without a through hole and a fixing hole with a through hole are formed in the middle of each reference block 24, one end of each support rod 22 is inserted into each support hole, and the other end of each support rod is fixed on the main body frame 21. The spring 23 is sleeved on the supporting rod 22, one end of the spring is fixed on the reference block 24, and the other end of the spring is fixed on the main body frame 21. The joint surface between the reference block 24 and the manifold inner wall is a curved surface, and the diameter of the curved surface is consistent with the inner diameter of the manifold. The laser transceiver 25 is mounted in the fixing hole with its position adjustable and fixed to the reference block by a nut. The emitting surface of the laser transceiver 25 is a curved surface and coincides with the bonding surface of the reference block 24. The cambered surface diameter of the reference block 24 is larger than the inner diameter of the manifold, and the two ends of the reference block are rounded corners, so that the reference block is convenient to put into the manifold; and meanwhile, the narrower the reference blocks are, the more the reference blocks are in number, and the more accurate the measurement effect is. The reference block can be brought into close contact with the inner wall of the manifold by the action of the springs 23. When the pit depth is measured, the laser transceiver 25 emits laser, the laser is reflected after reaching the bottom of the pit and is received by the laser transceiver 25, the pit depth is calculated through the signal processing module 3, and the pit simulation morphology and the pit depth value are dynamically displayed on the handheld tablet computer in real time. The second crawling device 26 is connected with the second main body frame 21 and provides support and power for the movement of the corrosion depth measurement module 2.
The signal processing module 3 includes: a main body frame III 31, a battery 32, a signal box 33 and a crawling device III 34. The battery 32 and the signal box 33 are arranged on the main body frame III 31, the battery 32 provides electric energy for the detection device to work, and the signal box 33 is used for collecting and processing video information sent by the full-view high-definition imaging module 1 and pit information sent by the corrosion depth measuring module 2 and transmitting the information to the handheld tablet computer in a real-time wireless mode.
The handheld tablet computer controls the detection device to move forwards, pause or backwards, and videos of the inner wall of the manifold, pit simulation morphology and depth values are displayed in real time. And setting a limit value of pit corrosion on the inner wall of the manifold on the handheld tablet computer, and alarming the handheld tablet computer to prompt when the pit depth value is detected to exceed the limit value.
The detection method comprises the following specific operation steps:
1. The debugging and detecting device enables the high-definition camera 13, the explosion-proof lighting lamp 14 and the laser transceiver 25 to function normally;
2. Setting a limit value of a corrosion pit on the inner wall of a manifold on a handheld tablet computer, and transmitting data to a signal processing module 3 in a wireless mode;
3. placing the detection device into a manifold, and tightly attaching the crawling device of each module and the reference block 24 of the corrosion depth measurement module to the inner wall of the manifold through springs;
4. Operating a handheld tablet computer, driving the crawling device to move forwards, transmitting data to the handheld tablet computer by the imaging module 1, displaying videos of the inner wall of the manifold, pit simulation morphology and depth values in real time, and analyzing the corrosion condition of the inner wall of the manifold according to the graph; the corrosion depth measuring module 2 measures the depth data of the pit and transmits the data to the signal processing module 3;
5. When the corrosion depth measuring module detects that the pit depth value exceeds the limit value, the signal processing module 3 sends data to the handheld tablet computer to give an alarm for prompting.
Claims (5)
1. A detection method of a pit depth detection device by utilizing the inner wall of a well cementation fracturing manifold is characterized by comprising the following steps:
The well cementation fracturing manifold inner wall corrosion pit depth detection device comprises: the device comprises an imaging module, a corrosion depth measuring module and a signal processing module, wherein the imaging module, the corrosion depth measuring module and the signal processing module are connected through a universal coupling, and each module is provided with a crawling device; the system comprises an imaging module, a corrosion depth measuring module, a signal processing module, a remote handheld computer and a remote control module, wherein the imaging module is used for recording the condition of the inner wall of a pipeline in real time, the corrosion depth measuring module is used for measuring pit depth in the pipeline, the signal processing module is used for controlling the starting and stopping of the crawling device, and data recorded by the imaging module and the corrosion depth measuring module are transmitted to the remote handheld computer;
The corrosion depth measuring module comprises a main body frame I, a supporting rod, springs, reference blocks and a laser transceiver, wherein a plurality of reference blocks are uniformly distributed in the circumferential direction of the main body frame, the outer surface of each reference block is an arc surface, the inner surface of each reference block is provided with a supporting hole without a through hole and a fixing hole with a through hole, one end of each supporting rod is fixed on the main body frame I, the supporting rod is sleeved with the springs, and the other end of each supporting rod extends into the supporting hole and leaves a space at the bottom of the hole; the emitting surface of the laser transceiver is a curved surface, the radius of the emitting surface is consistent with that of the reference block, and the emitting surface is arranged in the fixed hole and is completely attached to the outer surface of the reference block; when the pit depth is measured, the laser transceiver emits laser, the laser is reflected after reaching the bottom of the pit and is received by the laser transceiver, the pit depth is calculated through the signal processing module, and the pit simulation morphology and the pit depth value are dynamically displayed on the handheld computer in real time;
the imaging module comprises a main body frame I, a crawling device I, a high-definition camera and an explosion-proof lighting lamp, and is used for macroscopic inspection of the inner surface of the manifold;
the detection method comprises the following specific operation steps:
(1) The debugging detection device enables the high-definition camera, the explosion-proof illuminating lamp and the laser transceiver to function normally;
(2) Setting a limit value of a corrosion pit on the inner wall of a manifold on a handheld tablet computer, and transmitting data to a signal processing module in a wireless mode;
(3) Placing the detection device into a manifold, and tightly attaching the crawling device of each module and the reference block of the corrosion depth measurement module to the inner wall of the manifold through springs;
(4) Operating a handheld computer, driving the crawling device to move forwards, transmitting data to the handheld tablet computer by the imaging module, displaying videos of the inner wall of the manifold, pit simulation morphology and depth values in real time, and analyzing the corrosion condition of the inner wall of the manifold according to the graph;
(5) When the corrosion depth measuring module detects that the pit depth value exceeds the limit value, the signal processing module sends data to the handheld tablet computer to give an alarm for prompting.
2. The detection method using the well cementation fracturing manifold inner wall corrosion pit depth detection device according to claim 1, wherein the detection method comprises the following steps: the crawling device comprises a roller, a connecting device and a spring, one end of a connecting rod is connected with the roller, the other end of the connecting rod is connected with a main body frame of each module, the spring is further connected between the connecting rod and the main body frame, the roller is guaranteed to be attached to the inner wall of a pipeline, and the roller is provided with a driving motor for providing power for roller walking.
3. The detection method using the well cementation fracturing manifold inner wall corrosion pit depth detection device according to claim 1, wherein the detection method comprises the following steps: the cambered surface diameter of the reference block is larger than the inner diameter of the manifold, and the two ends of the reference block are rounded corners, so that the reference block is conveniently placed in the manifold; and meanwhile, the narrower the reference blocks are, the more the reference blocks are in number, and the more accurate the measurement effect is.
4. The detection method using the well cementation fracturing manifold inner wall corrosion pit depth detection device according to claim 1, wherein the detection method comprises the following steps: the full-view high-definition imaging module comprises a main body frame II, a high-definition camera and an explosion-proof lighting lamp, wherein the high-definition camera and the explosion-proof lighting lamp are fixed on the main body frame II and used for recording the condition of the inner wall of a pipeline in real time.
5. The detection method using the well cementation fracturing manifold inner wall corrosion pit depth detection device according to claim 1, wherein the detection method comprises the following steps: the signal processing module comprises a main body frame III, a battery and a signal box, wherein the battery and the signal box are arranged on the main body frame III, the battery provides electric energy for the detection device to work, and the signal box is used for controlling the walking of the crawling device, collecting and processing video information sent by the imaging module and pit information sent by the corrosion depth measuring module, and transmitting the information to the handheld tablet computer in real time and wirelessly.
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| CN202111498329.1A CN114183122B (en) | 2021-12-09 | 2021-12-09 | Device and method for detecting depth of corroded pit on inner wall of well cementation fracturing manifold |
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| CN115200456B (en) * | 2022-09-16 | 2022-12-23 | 新聚(徐州)安全科技有限公司 | Positioning and measuring device for pipeline engineering investigation |
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