CN117631076A - Coupling detection device and detection method thereof - Google Patents
Coupling detection device and detection method thereof Download PDFInfo
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- CN117631076A CN117631076A CN202410090549.8A CN202410090549A CN117631076A CN 117631076 A CN117631076 A CN 117631076A CN 202410090549 A CN202410090549 A CN 202410090549A CN 117631076 A CN117631076 A CN 117631076A
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- coupling
- oil pipe
- air
- pneumatic tire
- detection device
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- 230000008878 coupling Effects 0.000 title claims abstract description 61
- 238000010168 coupling process Methods 0.000 title claims abstract description 61
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 61
- 238000001514 detection method Methods 0.000 title claims abstract description 57
- 238000007789 sealing Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims 2
- 239000003129 oil well Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 5
- 239000010802 sludge Substances 0.000 description 4
- 238000007790 scraping Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Measuring Fluid Pressure (AREA)
Abstract
The invention relates to the technical field of oil well equipment, in particular to a coupling detection device and a detection method thereof. The blowout preventer comprises a blowout preventer and an oil pipe, wherein the joint of the oil pipe and the oil pipe is an oil pipe coupling, and the blowout preventer further comprises a pneumatic tire which is arranged in an inlet and an outlet of the blowout preventer and surrounds the oil pipe for a circle. The pneumatic tire further comprises an outer wall, an upper cover and a lower cover, wherein the upper toe opening of the pneumatic tire is pressed on the upper edge of the outer wall by the upper cover, and the lower toe opening of the pneumatic tire is pressed on the lower edge of the outer wall by the lower cover. The upper edge of the outer wall is provided with an air passage, an air pipe joint is arranged at the inlet of the air passage, and the air pipe joint is connected with a pressure detection device. Because the diameter of the coupling is different from that of the oil pipe body, when the oil pipe coupling passes through the coupling detection device, the volume of the air chamber in the coupling detection device can be reduced. Because the air chamber is a closed environment, the pressure in the air chamber can change. Through the pipeline connection, detect the pressure variation in the air chamber, reach the purpose of discerning whether the coupling passes through.
Description
Technical Field
The invention relates to the technical field of oil well equipment, in particular to a coupling detection device and a detection method thereof.
Background
Oilfield workover is an important component of oilfield production, and is mainly aimed at ensuring normal productivity of an oil well. Due to factors such as high labor intensity, high risk, poor working environment and the like, the well repairing operation is gradually replaced by the automatic equipment. The final goal of workover automation is to achieve full automation without human intervention. One of the great technical challenges before full automation is how to determine the position of the tubing during operation, identify tubing joints, and determine the position of the joints. It is therefore necessary to develop a collar detection device to detect the passage of a collar and output a signal to be fed back to other automation equipment for making a corresponding adjustment.
Disclosure of Invention
The invention provides a coupling detection device and a detection method thereof, and aims to detect the passing condition of a coupling.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
the invention provides a coupling detection device which comprises a blowout preventer and an oil pipe, wherein the joint of the oil pipe and the oil pipe is an oil pipe coupling, and the coupling detection device also comprises a pneumatic tire, wherein the pneumatic tire is arranged in an inlet and an outlet of the blowout preventer and surrounds the oil pipe for a circle.
Further, the pneumatic tire further comprises an outer wall, an upper cover and a lower cover, wherein the upper toe opening of the pneumatic tire is pressed on the upper edge of the outer wall by the upper cover, and the lower toe opening of the pneumatic tire is pressed on the lower edge of the outer wall by the lower cover.
Further, the upper edge of the outer wall is provided with an air passage, an air pipe connector is arranged at the inlet of the air passage, and the air pipe connector is connected with a pressure detection device.
Further, the pressure detection device is an explosion-proof pressure transmitter.
Further, an air pipe joint groove is formed in the edge of the upper cover.
Further, an annular groove is formed in the outer side of the outer wall, and a sealing ring is arranged in the annular groove.
Further, the flange and the annular sleeve are also included, a positioning shoulder is arranged in an inner hole of the annular sleeve, and the upper edge of the outer wall falls on the positioning shoulder; the inner hole of the flange is provided with a bulge, the bulge presses the upper cover, the flange is sleeved on the end face of the blowout preventer in an annular mode, and the flange is fixedly connected with the blowout preventer through bolts.
Further, a sealing ring is arranged between the annular sleeve and the end face of the blowout preventer.
Further, the sealing ring is an O-shaped ring.
Further, the pneumatic tire is a rubber pneumatic tire.
The diameter of the oil pipe coupling part is larger than that of other parts of the oil pipe, when the oil pipe coupling passes through the pneumatic tire, the pneumatic tire is extruded, the pressure in the pneumatic tire is increased, and the pressure is transmitted to a pressure detection device through an air pipe joint, so that the coupling is judged to pass; when other parts of the oil pipe pass through the pneumatic tire, the pressure detection device connected through the air pipe connector detects that the pressure in the pneumatic tire does not change, and no coupling passes through.
Further, the collar detection device requires an external air source to maintain air supply.
Further, the air supply pressure of the external air source is 0.3mpa-0.5mpa.
The beneficial effects achieved by the invention are as follows:
according to the coupling detection device and the detection method thereof, because the diameters of the coupling and the oil pipe body are different, when the oil pipe coupling passes through the coupling detection device, the volume of the air chamber in the coupling detection device can be reduced. Because the air chamber is a closed environment, the pressure in the air chamber can change. Through the pipeline connection, detect the pressure variation in the air chamber, reach the purpose of discerning whether the coupling passes through.
According to the coupling detection device and the detection method thereof, the air chamber of the device is pressurized, the air tire can expand inwards, the outer wall of the oil pipe can be uniformly wrapped, and the couplings of the oil pipes with different specifications can be detected.
According to the coupling detection device, the pneumatic tire is uniformly expanded to be in contact with the oil pipe, a certain centralizing force is provided for the oil pipe, and the centering effect is achieved.
According to the coupling detection device, sludge is arranged on the oil pipe, and the effect of scraping the sludge can be achieved by applying air pressure to the pneumatic tire.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of a collar detection device in a blowout preventer;
FIG. 2 is a cross-sectional view of a collar detection device within a blowout preventer;
FIG. 3 is a cross-sectional view of a coupling inspection device with an oil pipe disposed therein;
FIG. 4 is a schematic perspective view of a coupling inspection device;
FIG. 5 is a cross-sectional view of a coupling detection apparatus;
FIG. 6 is a schematic block diagram of a coupling detection apparatus for detecting air supply;
in the figure, 1, blowout preventer; 2. an oil pipe; 21. tubing collar; 3. a pneumatic tire; 4. an outer wall; 41. an upper edge of the outer wall; 42. a lower edge of the outer wall; 43. an annular groove; 44. an airway; 5. an upper cover; 6. a lower cover; 7. a stud; 8. an air pipe joint; 81. an air pipe joint groove; 9. a flange; 91. a protrusion; 10. an annular sleeve.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present invention, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, if the meaning of "and/or" is presented throughout this document, it is intended to include three schemes in parallel, taking "a and/or B" as an example, including a scheme, or B scheme, or a scheme where a and B meet simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
As shown in fig. 1-6, the invention provides a collar detection device, which is arranged on a blowout preventer 1 and is used for detecting the passing condition of an oil pipe 2 and an oil pipe collar 21, wherein the oil pipe collar 21 is arranged at the joint of the oil pipe 2 and the oil pipe 2, the collar detection device comprises a pneumatic tire 3, and the pneumatic tire 3 is arranged in an inlet and outlet of the blowout preventer 1 and surrounds the oil pipe 2 for one circle. The collar detection device is arranged on the blowout preventer 1 or an automatic platform, and the passing condition of the collar during the lifting and lowering of the oil pipe 2 can be detected, so that the working state is known to be matched with other automatic equipment.
As shown in fig. 4 and 5, the detecting device further comprises an outer wall 4, an upper cover 5 and a lower cover 6, wherein the upper toe opening of the pneumatic tire 3 is pressed on the upper edge 41 of the outer wall by the upper cover 5 and is fastened by a stud 7; the lower toe of the pneumatic tyre 3 is pressed by the lower cover 6 against the lower edge 42 of the outer wall and fastened by means of studs 7. Thus, the air tire 3 and the outer wall 4 form a cavity, the oil pipe 2 and the oil pipe coupling 21 penetrate through a central hole formed by the air tire 3, the diameter of the oil pipe coupling 21 is larger than that of the oil pipe 2, when the oil pipe coupling 21 passes through, the air tire 3 is extruded, the pressure in the air tire 3 is increased, and when other parts of the oil pipe 2 pass through, the air tire 3 is unchanged. Whether the tubing collar 21 passes or not is judged by the change of the pressure in the pneumatic tire 3.
The upper edge 41 of the outer wall is provided with an air passage 44, an air pipe joint 8 is arranged at the inlet of the air passage 44, the air pipe joint 8 is connected with a pressure detection device, and the pressure change in the air tire 3 is detected through the pressure detection device, so that whether the tubing coupling 21 passes or not is judged. The pressure detection device is an explosion-proof pressure transmitter, and the model of the pressure detection device is PCM301 (0-1 mpa) V1-B1-C1-G4-J1.
The edge of upper cover 5 is provided with air pipe joint groove 81 for leave air pipe joint 8's installation space, air pipe joint can 360 degrees rotations, can precess the recess during the installation, prevents to collide with.
An annular groove 43 is formed in the outer side of the outer wall 4, a sealing ring is arranged in the annular groove 43, and the sealing ring is an O-shaped ring, so that the sealing performance of connection is improved.
The flange 9 and the annular sleeve 10 are also included, a positioning shoulder is arranged in an inner hole of the annular sleeve 10, and the upper edge 41 of the outer wall falls on the positioning shoulder; the inner hole of the flange 9 is provided with a protrusion 91, the protrusion 91 presses the upper cover 5, the flange 9 presses the annular sleeve 10 on the end surface of the blowout preventer 1, and the flange 9 and the blowout preventer 1 are fastened and connected through bolts.
A sealing ring is arranged between the end faces of the annular sleeve 10 and the blowout preventer 1, the sealing ring is arranged in a groove between the annular sleeve 10 and the blowout preventer 1, and the sealing ring is an O-shaped ring, so that the sealing performance of connection is improved.
The pneumatic tire 3 is a rubber pneumatic tire 3, and the rubber pneumatic tire 3 is made of rubber, has inflatable property, high elasticity, good wear resistance and corrosion resistance, and can bear certain pressure and impact.
The pneumatic tire 3 can uniformly expand and centralize the oil pipe 2, and has centering effect on the oil pipe 2. Meanwhile, sludge is arranged on the oil pipe 2, and the effect of scraping the sludge is achieved by applying air pressure to the air tire 3.
The diameter of the part of the tubing coupling 21 is larger than that of other parts of the tubing 2, when the tubing coupling 21 passes through the pneumatic tire 3, the pneumatic tire 3 is extruded, the pressure in the pneumatic tire 3 is increased, and the pressure is transmitted to a pressure detection device through the air pipe joint 8, so that the coupling is judged to pass; when other parts of the oil pipe 2 pass through the pneumatic tire 3, the pressure detection device connected through the air pipe joint 8 detects that the pressure in the pneumatic tire 3 does not change, and no coupling passes through. As shown in fig. 6, the coupling detecting device needs an external air source to maintain air supply, the air supply pressure is 0.3mpa to 0.5mpa, and stable air supply pressure is maintained, so that the coupling detecting device can detect more accurately and can produce better mud scraping effect.
The foregoing description is only of the optional embodiments of the present invention, and is not intended to limit the scope of the invention, and all the equivalent structural changes made by the description of the present invention and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the invention.
Claims (10)
1. The utility model provides a coupling detection device, sets up on preventer (1) for detect the passing condition of oil pipe (2) and oil pipe coupling (21), the junction of oil pipe (2) and oil pipe (2) is oil pipe coupling (21), its characterized in that: the blowout preventer comprises a pneumatic tire (3), wherein the pneumatic tire (3) is arranged in an inlet and outlet of the blowout preventer (1), surrounds an oil pipe (2) for one circle, and detects the passing condition of an oil pipe coupling (21) through the pressure change in the pneumatic tire (3).
2. A coupling detection apparatus according to claim 1, wherein: the pneumatic tire further comprises an outer wall (4), an upper cover (5) and a lower cover (6), wherein the upper toe opening of the pneumatic tire (3) is pressed on the upper edge (41) of the outer wall by the upper cover (5), and the lower toe opening of the pneumatic tire (3) is pressed on the lower edge (42) of the outer wall by the lower cover (6).
3. A coupling detection apparatus according to claim 2, wherein: an air passage (44) is formed in the upper edge (41) of the outer wall, an air pipe joint (8) is arranged at the inlet of the air passage (44), and the air pipe joint (8) is connected with a pressure detection device.
4. A coupling detection apparatus according to claim 3, wherein: the pressure detection device is an explosion-proof pressure transmitter.
5. A coupling detection apparatus according to claim 3, wherein: the edge of the upper cover (5) is provided with an air pipe joint groove (81).
6. A coupling detection apparatus according to claim 3, wherein: an annular groove (43) is formed in the outer side of the outer wall (4), and a sealing ring is arranged in the annular groove (43).
7. A coupling detection apparatus according to claim 2, wherein: the flange (9) and the annular sleeve (10) are also included, a positioning shoulder is arranged in an inner hole of the annular sleeve (10), and an upper edge (41) of the outer wall falls on the positioning shoulder; the inner hole of the flange (9) is provided with a bulge (91), the bulge (91) presses the upper cover (5), the flange (9) presses the annular sleeve (10) on the end face of the blowout preventer (1), and the flange (9) is tightly connected with the blowout preventer (1) through bolts.
8. The coupling detection method is characterized in that the detection method is based on the coupling detection device according to any one of claims 1-7, the diameter of the part of the oil pipe coupling (21) is larger than that of other parts of the oil pipe (2), when the oil pipe coupling (21) passes through the air tire (3), the air tire (3) is extruded, the pressure in the air tire (3) is increased, the pressure is transmitted to the pressure detection device through the air pipe joint (8), and the coupling is judged to pass through; when other parts of the oil pipe (2) pass through the pneumatic tire (3), the pressure detection device connected through the air pipe joint (8) detects that the pressure in the pneumatic tire (3) is not changed, and no coupling passes through.
9. The method for detecting the coupling according to claim 8, wherein: the collar detection device requires an external air source to maintain air supply.
10. The method for detecting the coupling according to claim 9, wherein: the air supply pressure of the external air source is 0.3mpa-0.5mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410090549.8A CN117631076B (en) | 2024-01-23 | Coupling detection device and detection method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410090549.8A CN117631076B (en) | 2024-01-23 | Coupling detection device and detection method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117631076A true CN117631076A (en) | 2024-03-01 |
| CN117631076B CN117631076B (en) | 2024-06-07 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4289202A (en) * | 1979-08-20 | 1981-09-15 | Otis Engineering Corporation | Well tubing coupling apparatus |
| US5014781A (en) * | 1989-08-09 | 1991-05-14 | Smith Michael L | Tubing collar position sensing apparatus, and associated methods, for use with a snubbing unit |
| US20120241160A1 (en) * | 2010-12-20 | 2012-09-27 | Joe Spacek | Oil well improvement system |
| CN202850920U (en) * | 2012-04-28 | 2013-04-03 | 中国石油化工股份有限公司 | Floating type well head splash-proof protecting device for mechanized well workover operation |
| CN105909241A (en) * | 2016-06-27 | 2016-08-31 | 盐城市金巨石油机械制造有限公司 | Coupling detection device in roundtrip process of downhole oil tube |
| CN107355194A (en) * | 2017-08-30 | 2017-11-17 | 中联煤层气有限责任公司 | A kind of annular preventer |
| CN212154713U (en) * | 2019-11-27 | 2020-12-15 | 太仓正杰机电有限公司 | Coiled tubing preventer with manual dismounting device |
| CN215907780U (en) * | 2021-10-11 | 2022-02-25 | 大庆市清凯机械设备制造有限公司 | Tubing coupling |
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4289202A (en) * | 1979-08-20 | 1981-09-15 | Otis Engineering Corporation | Well tubing coupling apparatus |
| US5014781A (en) * | 1989-08-09 | 1991-05-14 | Smith Michael L | Tubing collar position sensing apparatus, and associated methods, for use with a snubbing unit |
| US20120241160A1 (en) * | 2010-12-20 | 2012-09-27 | Joe Spacek | Oil well improvement system |
| CN202850920U (en) * | 2012-04-28 | 2013-04-03 | 中国石油化工股份有限公司 | Floating type well head splash-proof protecting device for mechanized well workover operation |
| CN105909241A (en) * | 2016-06-27 | 2016-08-31 | 盐城市金巨石油机械制造有限公司 | Coupling detection device in roundtrip process of downhole oil tube |
| CN107355194A (en) * | 2017-08-30 | 2017-11-17 | 中联煤层气有限责任公司 | A kind of annular preventer |
| CN212154713U (en) * | 2019-11-27 | 2020-12-15 | 太仓正杰机电有限公司 | Coiled tubing preventer with manual dismounting device |
| CN215907780U (en) * | 2021-10-11 | 2022-02-25 | 大庆市清凯机械设备制造有限公司 | Tubing coupling |
Non-Patent Citations (5)
| Title |
|---|
| 倪骁骅;程冲;刘青;: "接箍报警器在带压作业中的应用研究概况", 机械工程与自动化, no. 01, 15 February 2015 (2015-02-15) * |
| 姚尧: "基于小修作业的不压井作业工艺及关键设备研究", 中国优秀博硕士学位论文全文数据库（硕士）, 15 September 2021 (2021-09-15), pages 19 - 84 * |
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