CN221351142U - Experimental device for detect corrosion in multiple gas to oil field water injection pipeline - Google Patents
Experimental device for detect corrosion in multiple gas to oil field water injection pipeline Download PDFInfo
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- CN221351142U CN221351142U CN202323093051.7U CN202323093051U CN221351142U CN 221351142 U CN221351142 U CN 221351142U CN 202323093051 U CN202323093051 U CN 202323093051U CN 221351142 U CN221351142 U CN 221351142U
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- 238000002347 injection Methods 0.000 title claims abstract description 27
- 239000007924 injection Substances 0.000 title claims abstract description 27
- 230000007797 corrosion Effects 0.000 title claims abstract description 21
- 238000005260 corrosion Methods 0.000 title claims abstract description 21
- 239000002332 oil field water Substances 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 99
- 238000012360 testing method Methods 0.000 claims abstract description 85
- 239000007789 gas Substances 0.000 claims abstract description 41
- 238000007789 sealing Methods 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 6
- 210000003437 trachea Anatomy 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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Abstract
The utility model discloses an experimental device for detecting corrosion of various gases to an oilfield water injection pipeline, which comprises a water tank, wherein the top of the water tank is fixedly connected with a test box; the top of the test box is fixedly sleeved with a guide pipe, and one end of the guide pipe, which is positioned in the test box, is fixedly sleeved with a first annular plate; the outer wall of the bottom of the test box is fixedly connected with a cylinder, the output end of the cylinder penetrates into the test box and is fixedly sleeved with a second annular plate, and a pipeline to be tested is clamped between the first annular plate and the second annular plate; one end of the conduit outside the test box is fixedly sleeved with a first three-way pipe, two ports at the horizontal end of the first three-way pipe are respectively connected with an air supply mechanism and a water supply mechanism, the air supply mechanism is communicated with the inside of the test box, and the water supply mechanism is communicated with the inside of the water tank. The experimental device can realize the circulating flow of gas and water flow in the test tube line to be tested, so that the state of the water injection pipeline during working is reduced as much as possible, and the accuracy of the test result is ensured.
Description
Technical Field
The utility model belongs to the technical field of oilfield water injection pipeline testing equipment, and particularly relates to an experimental device for detecting corrosion of various gases to oilfield water injection pipelines.
Background
In the oil field exploitation process, more water injection pipelines are required to be used, and as a large amount of corrosive gas can appear in the oil field exploitation process, the water injection pipelines are in contact with the corrosive gas for a long time and are easy to corrode, so that cracks or damage occur, and the condition that the oil field exploitation cannot be normally performed occurs, and therefore the corrosion resistance of the oil field water injection pipelines is required to be detected.
The Chinese patent with publication number CN214584798U and publication number 2021, 11 and 2 discloses an experimental device for detecting corrosion of various gases in an oilfield water injection pipeline, and various gases can be discharged into the pipeline at one time through a plurality of air storage tanks, air outlet pipes and first electromagnetic valves, so that the detection process is more convenient and rapid, and the working efficiency is improved. The technical scheme has the following defects:
Because the water in the oil field water injection pipeline continuously flows, and the water in the pipeline is static when the experimental device is used for detection, the corrosion speed in the pipeline is different from that in the actual work, and a certain deviation exists in the detection result.
Disclosure of utility model
The utility model aims to provide an experimental device for detecting corrosion of various gases in an oilfield water injection pipeline, and when the device is used for detecting the water injection pipeline, water in the pipeline circularly flows, so that the experimental device is more in line with the actual working state of the pipeline.
The technical scheme adopted by the utility model is that the experimental device for detecting corrosion of various gases to the water injection pipeline of the oil field comprises a water tank, wherein the top of the water tank is fixedly connected with a test box; the top of the test box is fixedly sleeved with a guide pipe, and one end of the guide pipe, which is positioned in the test box, is fixedly sleeved with a first annular plate; the outer wall of the bottom of the test box is fixedly connected with a cylinder, the output end of the cylinder penetrates into the test box and is fixedly sleeved with a second annular plate, and a pipeline to be tested is clamped between the first annular plate and the second annular plate; one end of the conduit outside the test box is fixedly sleeved with a first three-way pipe, two ports at the horizontal end of the first three-way pipe are respectively connected with an air supply mechanism and a water supply mechanism, the air supply mechanism is communicated with the inside of the test box, and the water supply mechanism is communicated with the inside of the water tank.
The utility model is also characterized in that:
two arc-shaped openings are symmetrically formed in the second annular plate.
The piston rod of cylinder is outer movable to have cup jointed the bellows, and the one end and the bottom inner wall fixed connection of test box of bellows, the bottom fixed connection of the other end and second annular plate.
And sealing rings are fixedly connected to one sides of the first annular plate and the second annular plate, which are contacted with the pipeline to be tested.
The air supply mechanism comprises an air inlet pipe, a second three-way pipe, a first air pipe, an air pump and a third air pipe which are connected in sequence, and further comprises a second air pipe fixedly sleeved with the second three-way pipe, and the other end of the second air pipe is fixedly sleeved with the first three-way pipe.
The air pump is fixedly connected to the outer wall of one side of the test box, the output end of the air pump is fixedly connected with the first air pipe, the input end of the air pump is fixedly connected with the third air pipe, and the other end of the third air pipe is fixedly sleeved inside the side plate of the test box.
The one end that the third trachea is located the test box inside is connected with filtering mechanism, and filtering mechanism includes the sleeve, and the sleeve is fixed to be cup jointed in the one end pipe wall that the third trachea is located the test box inside and the opening upwards, and the inner wall of sleeve opening part is fixed to be provided with waterproof ventilated membrane.
The water delivery mechanism comprises a first water pipe, a water pump and a second water pipe which are sequentially connected, wherein the first water pipe is fixedly connected with the first three-way pipe, the water pump is fixedly connected to the outer wall of one side of the test box, the two ends of the water pump are respectively fixedly connected with the first water pipe and the second water pipe, and the other end of the second water pipe penetrates through the inside of the water tank and is fixedly sleeved with the water tank.
A water diversion pipe is fixedly sleeved between the water tank and the test box.
The pipe walls of the air inlet pipe and the first water pipe are provided with one-way valves.
The beneficial effects of the utility model are as follows:
According to the experimental device, the air supply mechanism and the water supply mechanism are arranged, so that the circulating flow of air and water in the test tube line to be tested can be realized, the working state in the water injection pipeline is reduced as much as possible, and the accuracy of a test result is ensured.
In addition, the experimental device can effectively avoid the damage of the air pump caused by the water flow entering the sleeve by arranging the waterproof breathable film.
Drawings
FIG. 1 is a schematic diagram of the experimental apparatus of the present utility model;
FIG. 2 is a cross-sectional view of an experimental set-up of the utility model;
FIG. 3 is a schematic top view of the connection structure between the second annular plate and the corresponding seal ring in the experimental apparatus of the present utility model;
Fig. 4 is a schematic top view of the connection structure of the sleeve and the waterproof and breathable film in the experimental device of the utility model.
In the figure, a water tank 1, a test box 2, a support rod 3, a conduit 4, a first three-way pipe 5, a first annular plate 6, a cylinder 7, a second annular plate 8, a test tube line 9, a gas pump 10, a second three-way pipe 11, a first gas pipe 13, a second gas pipe 14, a third gas pipe 15, a gas inlet pipe 16, a water pump 17, a first water pipe 18, a second water pipe 19, a water diversion pipe 20, a one-way valve 21, a corrugated pipe 22, a sealing ring 23, a sleeve 24 and a waterproof and breathable film.
Detailed Description
The utility model will be described in detail below with reference to the drawings and the detailed description.
Example 1
The utility model detects the experimental device of the corrosion of various gases to the water injection pipeline of the oil field, the structure is as shown in figure 1, 2, including the water tank 1, the top of the water tank 1 is fixedly connected with the test box 2; the top of the test box 2 is fixedly sleeved with a guide pipe 4, and one end of the guide pipe 4 positioned in the test box 2 is fixedly sleeved with a first annular plate 6; the outer wall of the bottom of the test box 2 is fixedly connected with a cylinder 7, the output end of the cylinder 7 penetrates into the test box 2 and is fixedly sleeved with a second annular plate 8, and a pipeline 9 to be tested is clamped between the first annular plate 6 and the second annular plate 8; one end of the conduit 4 positioned outside the test box 2 is fixedly sleeved with a first three-way pipe 5, two ports at the horizontal end of the first three-way pipe 5 are respectively connected with an air supply mechanism and a water supply mechanism, the air supply mechanism is communicated with the inside of the test box 2, and the water supply mechanism is communicated with the inside of the water tank 1.
Example 2
On the basis of embodiment 1, two arc-shaped openings are symmetrically formed in the second annular plate 8. The piston rod of the air cylinder 7 is movably sleeved with a corrugated pipe 21, one end of the corrugated pipe 21 is fixedly connected with the inner wall of the bottom of the test box 2, and the other end of the corrugated pipe is fixedly connected with the bottom of the second annular plate 8. And the side of the first annular plate 6 and the second annular plate 8, which are contacted with the pipeline 9 to be tested, are fixedly connected with sealing rings 22.
Example 3
The utility model relates to an experimental device for detecting corrosion of various gases to an oilfield water injection pipeline, which has the structure shown in figures 1 and 2 and comprises a water tank 1 and a test box 2, wherein the top of the water tank 1 is fixedly connected with four support rods 3 and is fixedly connected with the test box 2 through the four support rods 3.
The top of the test box 2 is fixedly sleeved with a guide pipe 4, the guide pipe 4 penetrates through the test box 2, and one end of the guide pipe positioned in the test box 2 is fixedly sleeved with a first annular plate 6; the outer wall of the bottom of the test box 2 is fixedly connected with a cylinder 7, the output end of the cylinder 7 penetrates into the test box 2 and is fixedly sleeved with a second annular plate 8, and as shown in fig. 3, two arc-shaped openings are symmetrically formed in the second annular plate 8; the piston rod of the air cylinder 7 is movably sleeved with a corrugated pipe 21, one end of the corrugated pipe 21 is fixedly connected with the inner wall of the bottom of the test box 2, and the other end of the corrugated pipe is fixedly connected with the bottom of the second annular plate 8. The piston rod can drive the second annular plate 8 to ascend or descend, and the corrugated pipe 21 can isolate water or gas from the air cylinder 7, so that the air cylinder 7 is prevented from being damaged due to the fact that water and gas in the test box 2 flow out.
The test tube line 9 that awaits measuring has the joint between first annular plate 6 and the annular plate 8 of second, with the test tube line 9 joint that awaits measuring in the inside of first annular plate 6 and annular plate 8 of second can effectively guarantee the stability of treating test tube line 9 to can effectively guarantee the normal clear of test procedure.
As shown in fig. 2 and 3, the sealing rings 22 are fixedly connected to the sides, close to the first annular plate 6 and the second annular plate 8, of the two ends of the test tube line 9 to be tested are respectively in contact connection with the corresponding sealing rings 22, and the tightness between the two ends of the test tube line 9 to be tested and the first annular plate 6 and the second annular plate 8 can be effectively ensured by using the two sealing rings 22.
One end of the conduit 4 positioned outside the test box 2 is fixedly sleeved with a first three-way pipe 5, and two ports at the horizontal end of the first three-way pipe 5 are respectively connected with an air supply mechanism and a water supply mechanism, and the air supply mechanism is communicated with the inside of the test box 2 and is used for conveying test gas into the test box 2; the water delivery mechanism is communicated with the inside of the water tank 1 and is used for circularly flowing the water in the water tank 1 and the water in the test tank 2.
In order to avoid the problem that the test gas is excessively used and is inconvenient to discharge, as shown in fig. 1 and 2, the gas supply mechanism comprises a gas inlet pipe 15, a second three-way pipe 11, a first gas pipe 12, a gas pump 10 and a third gas pipe 14 which are sequentially connected, and further comprises a second gas pipe 13 fixedly sleeved with a port of one horizontal end of the second three-way pipe 11, and the other end of the second gas pipe 13 is fixedly sleeved with a port of one horizontal end of the first three-way pipe 5. The air pump 10 fixed connection is in one side outer wall of test box 2 and its output and first trachea 12 fixed connection, input and third trachea 14 fixed connection, the other end of third trachea 14 is fixed to be cup jointed in the curb plate inside of test box 2, the one end that third trachea 14 is located inside test box 2 is connected with filtering mechanism, as shown in fig. 2, 4, filtering mechanism includes sleeve 23, sleeve 23 is fixed to be cup jointed in the one end pipe wall that third trachea 14 is located inside test box 2 and opening upwards, sleeve 23 opening part's inner wall is fixed to be provided with waterproof ventilated membrane 24, utilize waterproof ventilated membrane 24 that sets up, can filter the rivers in the test box 2, avoid rivers to get into the inside of air pump 10 and cause air pump 10 to damage. By using the arranged air supply mechanism, the circulating flow of the test gas in the test tube line 9 to be tested can be realized, and the problem that the test gas is excessively used and is inconvenient to discharge is avoided.
In order to realize the circulation flow of water flow in the test tube line 9 to be tested, as shown in fig. 1 and 2, the water delivery mechanism comprises a first water pipe 17, a water pump 16 and a second water pipe 18 which are sequentially connected, wherein the first water pipe 17 is fixedly connected with the other end port of the horizontal end of the first three-way pipe 5, the water pump 16 is fixedly connected to the outer wall of one side of the test box 2, the two ends of the water pump are respectively fixedly connected with the first water pipe 17 and the second water pipe 18, and the other end of the second water pipe 18 penetrates into the water tank 1 and is fixedly sleeved with the water tank 1; in addition, fixedly cup jointed water diversion pipe 19 between water tank 1 and the test box 2, utilize the water diversion pipe 19 that sets up, can make rivers backward flow to the inside of water tank 1 to can realize the circulation flow of rivers inside test tube line 9 that awaits measuring.
In order to ensure the normal running of the test process, as shown in fig. 1 and 2, the pipe walls of the air inlet pipe 15 and the first water pipe 17 are provided with one-way valves 20, and the arranged one-way valves 20 can prevent the gas from entering the first water pipe 17 and the water flow from entering the second air pipe 13 to influence the normal running of the test process.
Claims (10)
1. The experimental device for detecting corrosion of various gases to an oilfield water injection pipeline is characterized by comprising a water tank (1), wherein the top of the water tank (1) is fixedly connected with a test box (2); the top of the test box (2) is fixedly sleeved with a guide pipe (4), and one end of the guide pipe (4) positioned in the test box (2) is fixedly sleeved with a first annular plate (6); the outer wall of the bottom of the test box (2) is fixedly connected with a cylinder (7), the output end of the cylinder (7) penetrates into the test box (2) and is fixedly sleeved with a second annular plate (8), and a pipeline (9) to be tested is clamped between the first annular plate (6) and the second annular plate (8); one end of the conduit (4) positioned outside the test box (2) is fixedly sleeved with a first three-way pipe (5), two ports at the horizontal end of the first three-way pipe (5) are respectively connected with an air supply mechanism and a water supply mechanism, the air supply mechanism is communicated with the inside of the test box (2), and the water supply mechanism is communicated with the inside of the water tank (1).
2. The experimental device for detecting corrosion of various gases in oil field water injection pipelines according to claim 1, wherein two arc-shaped openings are symmetrically formed in the second annular plate (8).
3. The experimental device for detecting corrosion of various gases in oil field water injection pipelines according to claim 1, wherein a corrugated pipe (21) is movably sleeved outside a piston rod of the air cylinder (7), one end of the corrugated pipe (21) is fixedly connected with the inner wall of the bottom of the test box (2), and the other end of the corrugated pipe is fixedly connected with the bottom of the second annular plate (8).
4. The experimental device for detecting corrosion of various gases in oil field water injection pipelines according to claim 1, wherein the side, which is contacted with the reception test pipeline (9), of the first annular plate (6) and the second annular plate (8) is fixedly connected with a sealing ring (22).
5. The experimental device for detecting corrosion of various gases in an oilfield water injection pipeline according to claim 1, wherein the air supply mechanism comprises an air inlet pipe (15), a second three-way pipe (11), a first air pipe (12), an air pump (10) and a third air pipe (14) which are sequentially connected, and further comprises a second air pipe (13) fixedly sleeved with the second three-way pipe (11), and the other end of the second air pipe (13) is fixedly sleeved with the first three-way pipe (5).
6. The experimental device for detecting corrosion of various gases to oil field water injection pipelines according to claim 5, wherein the air pump (10) is fixedly connected to the outer wall of one side of the test box (2) and the output end of the air pump is fixedly connected with the first air pipe (12), the input end of the air pump is fixedly connected with the third air pipe (14), and the other end of the third air pipe (14) is fixedly sleeved inside the side plate of the test box (2).
7. The experimental device for detecting corrosion of various gases in an oilfield water injection pipeline according to claim 6, wherein one end of the third air pipe (14) positioned in the testing box (2) is connected with a filtering mechanism, the filtering mechanism comprises a sleeve (23), the sleeve (23) is fixedly sleeved on the pipe wall of one end of the third air pipe (14) positioned in the testing box (2) and is provided with an upward opening, and a waterproof and breathable film (24) is fixedly arranged on the inner wall of the opening of the sleeve (23).
8. The experimental device for detecting corrosion of various gases in an oilfield water injection pipeline according to claim 1, wherein the water delivery mechanism comprises a first water pipe (17), a water pump (16) and a second water pipe (18) which are sequentially connected, the first water pipe (17) is fixedly connected with the first three-way pipe (5), the water pump (16) is fixedly connected to the outer wall of one side of the test box (2) and two ends of the water pump are respectively fixedly connected with the first water pipe (17) and the second water pipe (18), and the other end of the second water pipe (18) penetrates into the water tank (1) and is fixedly sleeved with the water tank (1).
9. The experimental device for detecting corrosion of various gases in an oilfield water injection pipeline according to claim 8, wherein a water guide pipe (19) is fixedly sleeved between the water tank (1) and the test box (2).
10. The experimental device for detecting corrosion of various gases in oil field water injection pipelines according to claim 5 or 8, wherein the pipe walls of the air inlet pipe (15) and the first water pipe (17) are provided with one-way valves (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323093051.7U CN221351142U (en) | 2023-11-15 | 2023-11-15 | Experimental device for detect corrosion in multiple gas to oil field water injection pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323093051.7U CN221351142U (en) | 2023-11-15 | 2023-11-15 | Experimental device for detect corrosion in multiple gas to oil field water injection pipeline |
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| Publication Number | Publication Date |
|---|---|
| CN221351142U true CN221351142U (en) | 2024-07-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323093051.7U Active CN221351142U (en) | 2023-11-15 | 2023-11-15 | Experimental device for detect corrosion in multiple gas to oil field water injection pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221351142U (en) |
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2023
- 2023-11-15 CN CN202323093051.7U patent/CN221351142U/en active Active
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