CN221444024U - Multi-point monitoring device for leakage of offshore oil well casing - Google Patents

Multi-point monitoring device for leakage of offshore oil well casing Download PDF

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Publication number
CN221444024U
CN221444024U CN202323155961.3U CN202323155961U CN221444024U CN 221444024 U CN221444024 U CN 221444024U CN 202323155961 U CN202323155961 U CN 202323155961U CN 221444024 U CN221444024 U CN 221444024U
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CN
China
Prior art keywords
leakage
petroleum
monitoring device
well casing
cavity
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Expired - Fee Related
Application number
CN202323155961.3U
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Chinese (zh)
Inventor
李硕
温晓杰
张义锋
冷玉林
卢江宁
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Individual
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Individual
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Priority to CN202323155961.3U priority Critical patent/CN221444024U/en
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Publication of CN221444024U publication Critical patent/CN221444024U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Pipeline Systems (AREA)

Abstract

The utility model provides a multipoint monitoring device for leakage of an offshore petroleum well casing, which relates to the technical field of monitoring and aims to solve the problems that after the leaked petroleum is generally scattered directly and the monitoring device monitors and conveys information, workers only know that the pipe sleeve joint is leaked, and the leakage part of the pipe sleeve joint is inconvenient to accurately position; the inside of the sealing component is provided with an oil monitoring cavity; the inside of the petroleum monitoring cavity is fixedly provided with a plurality of multi-cavity partition plates in a surrounding arrangement; the circumference outer wall of the sealing component is provided with a plurality of dismounting components in a surrounding arrangement and sliding way. The local leaked petroleum can be limited in the corresponding space separated by the multi-cavity separation plate, so that the specific leakage position of the annular seam can be known by observing the aggregation position of the petroleum, and the leakage repairing work can be accurately and rapidly carried out by workers.

Description

Multi-point monitoring device for leakage of offshore oil well casing
Technical Field
The utility model belongs to the technical field of monitoring, and particularly relates to a multipoint monitoring device for offshore oil well casing leakage.
Background
The offshore oil well is a drilling project for exploring and developing submarine oil and natural gas in a continental shelf sea area, the offshore oil well needs to use an oil well sleeve to convey oil when in use, and after the oil well sleeve is installed, the condition of oil leakage easily occurs at the connecting end of the sleeve, so that the condition can be found out and remedied in time, and a monitoring device is needed to monitor the leakage condition of a pipeline in real time.
When the existing monitoring device monitors the butt joint of the pipe sleeve, leaked petroleum is generally scattered directly when the butt joint of the pipe sleeve is leaked, after the monitoring device monitors and conveys information, workers only know that the pipe sleeve joint is leaked, and the leakage part of the pipe sleeve joint is inconvenient to accurately position, so that follow-up workers are inconvenient to quickly and accurately remedy the leakage condition of the pipe sleeve.
Disclosure of utility model
In order to solve the technical problems, the utility model provides the multipoint monitoring device for the leakage of the offshore oil well casing, which is used for solving the problems that when the sleeve joint is leaked, leaked petroleum is generally scattered directly, and after the monitoring device monitors and conveys information, workers only know that the sleeve joint is leaked, and the leakage part of the sleeve joint is inconvenient to accurately position, so that the follow-up workers cannot accurately remedy the leakage condition of the sleeve.
The utility model relates to an offshore oil well casing leaks purpose and efficiency with multiple spot monitoring devices is reached by following concrete technical means:
The multipoint monitoring device for the leakage of the offshore oil well casing comprises an oil casing body, wherein a sealing part is fixed at the connecting end of the oil casing body; the sealing part consists of two arc-shaped plate structures; the inside of the sealing component is provided with an oil monitoring cavity; the inside of the petroleum monitoring cavity is fixedly provided with a plurality of multi-cavity partition plates in a surrounding arrangement; the multi-cavity partition plate is of a rectangular structure; a plurality of dismounting parts are arranged on the circumferential outer wall of the sealing part in a surrounding manner in a sliding manner; each of the disassembling parts is respectively positioned between two multi-cavity separation plates; the inner side of the disassembly part is an arc-shaped surface; the inner side of the dismounting part is provided with a mounting screw hole.
Further, a disassembly handle is fixedly arranged on the outer side wall of the disassembly part; the disassembly handle is of a 匚 -shaped structure; positioning screw holes are formed in two ends of the dismounting component; the circumference outer wall of the sealing part is fixedly provided with an installation loading plate; the mounting carrier plate is of a rectangular structure; the mounting carrier plate and the dismounting component are arranged in a staggered mode.
Further, the mounting plate is provided with a positioning bolt in a threaded manner; the inner end of the positioning bolt is locked and installed in the positioning screw hole; the inside of the installation screw hole is locked and provided with an oil sensor for detecting leaked oil; and the left side wall and the right side wall of the sealing component are fixedly provided with connecting carrier plates.
Furthermore, the two groups of connecting carrier plates are arranged in a front-back staggered manner; each group of connecting carrier plates is provided with a connecting bolt in a threaded manner; six leakage guide grooves are formed in the middle position of the inner part of the sealing part; the six leakage guide flow grooves are respectively communicated with six spaces separated by the multi-cavity separation plate; the leakage guide flow groove is opposite to the butt joint gap of the two petroleum pipe sleeves.
Compared with the prior art, the utility model has the following beneficial effects:
1. The multiple petroleum sensors in the monitoring device are arranged in a surrounding mode, the multiple petroleum sensors which surround the monitoring device can monitor multiple directions and multiple points on the annular seam of the petroleum pipe sleeve body in a butt joint mode, and the monitoring effect of the monitoring device on petroleum leakage is guaranteed.
2. The annular seam of the oil pipe sleeve body is cut into a plurality of parts by utilizing the multiple-cavity partition plates in the monitoring device, when the oil leakage condition occurs at the annular seam of the butt joint of the pipeline body, the locally leaked oil can be limited in the corresponding space separated by the multiple-cavity partition plates, so that the specific leakage part of the annular seam can be known by observing the aggregation part of the oil, and the accurate and rapid leakage repairing work of workers is facilitated.
Drawings
FIG. 1 is a schematic view of the structure of the oil pipe sleeve and the sealing member of the present utility model.
Fig. 2 is a schematic view showing a semi-sectional structure of the sealing member of the present utility model when mounted on a petroleum casing.
Fig. 3 is a schematic view showing a split state of the seal member of the present utility model.
Fig. 4 is a schematic view showing a semi-sectional structure of the seal member of the present utility model after being disassembled.
Fig. 5 is a schematic view showing a connection state of a detachable member and a petroleum sensor according to the present utility model.
Fig. 6 is a schematic view showing a structure of the detachable part of the present utility model in a detached state from the petroleum sensor.
In the figure, the correspondence between the component names and the drawing numbers is:
1. A petroleum pipe sleeve body; 2. a sealing member; 3. a petroleum monitoring chamber; 4. a multi-cavity divider plate; 5. disassembling the component; 6. installing a screw hole; 7. disassembling the handle; 8. positioning screw holes; 9. mounting a loading plate; 10. positioning bolts; 11. a petroleum sensor; 12. connecting a carrier plate; 13. a connecting bolt; 14. leakage guide flow grooves.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples.
Embodiment one:
As shown in fig. 1 to 6:
The utility model provides a multipoint monitoring device for leakage of an offshore petroleum well casing, which comprises a petroleum casing body 1, wherein a sealing part 2 is fixed at the connecting end position of the petroleum casing body 1; the sealing part 2 consists of two arc-shaped plate structures; the inside of the sealing part 2 is provided with a petroleum monitoring cavity 3; a plurality of multi-cavity partition plates 4 are fixedly arranged in a surrounding manner in the petroleum monitoring cavity 3; the multi-cavity partition plate 4 has a rectangular structure; a plurality of dismounting parts 5 are arranged and slid on the circumferential outer wall of the sealing part 2 in a surrounding manner; each of the detaching members 5 is respectively located between two of the multi-cavity partition plates 4; the inner side of the disassembly part 5 is an arc-shaped surface; the inner side of the dismounting member 5 is provided with a mounting screw hole 6.
When the oil leakage condition occurs at the annular seam of the butt joint of the oil pipe sleeve body 1, leaked oil enters the corresponding oil monitoring cavity 3 separated by the multi-cavity partition plate 4 by utilizing the corresponding leakage guide groove 14, and the corresponding oil sensor 11 positioned in the oil monitoring cavity 3 detects the oil leakage condition and conveys the condition to the background, so that workers in the background can quickly know the oil leakage condition, and timely remedying the oil leakage condition is facilitated.
Embodiment two:
The utility model provides a multipoint monitoring device for offshore oil well casing leakage, which further comprises a dismounting handle 7 fixedly arranged on the outer side wall of a dismounting part 5; the disassembly handle 7 is of a 匚 -shaped structure; positioning screw holes 8 are formed at two ends of the dismounting member 5; the circumferential outer wall of the sealing part 2 is also fixedly provided with a mounting plate 9; the mounting plate 9 has a rectangular structure; the mounting plate 9 and the dismounting member 5 are arranged in a staggered manner; the mounting plate 9 is provided with a positioning bolt 10 in a threaded manner; the inner end of the positioning bolt 10 is locked and installed inside the positioning screw hole 8.
When the leakage of the leakage part of the annular seam at the joint of the petroleum pipe sleeve body 1 is needed, the inner end of the positioning bolt 10 can be separated from the inside of the positioning screw hole 8 through the positioning bolt 10 corresponding to the knob, the positioning of the positioning bolt 10 to the disassembling part 5 is canceled, and then the disassembling part 5 is extracted by manually utilizing the disassembling handle 7, so that the disassembling part 5 is influenced by manual tension to drive the petroleum sensor 11 to slide out from the inside of the petroleum monitoring cavity 3, the leakage part of the annular seam of the petroleum pipe sleeve body 1 can be contacted by a worker, and the sealing leakage repairing treatment of the leakage position is convenient for the worker.
Embodiment III:
the utility model provides a multipoint monitoring device for leakage of an offshore oil well casing, which also comprises an oil sensor 11, wherein the oil sensor 11 is arranged in a mounting screw hole 6 in a locking manner and used for detecting leaked oil; the left and right side walls of the sealing component 2 are fixedly provided with connecting carrier plates 12; the two groups of connecting carrier plates 12 are arranged in a front-back staggered manner; each group of connecting carrier plates 12 is provided with a connecting bolt 13 in a threaded manner; six leakage guide grooves 14 are formed in the middle position of the inner part of the sealing part 2; the six leakage guide grooves 14 are respectively communicated with six spaces partitioned by the multi-cavity partition plate 4; the leakage guide groove 14 is opposite to the butt joint gap of the two petroleum pipe sleeves 1.
When the sealing component 2 is required to be detached from the petroleum pipe sleeve body 1, firstly pushing any group of positioning bolts 10 in a horizontal state out of the positioning screw holes 8, and then separating the two connecting bolts 13 from the two groups of connecting carrier plates 12 by rotating the two connecting bolts 13, so that the two sealing components 2 lack a direct connection relationship, the sealing component 2 can be detached from a middle part, and the detachment of the sealing component 2 is realized;
When the sealing component 2 is required to be installed on the petroleum pipe sleeve body 1, two groups of connecting carrier plates 12 can be connected through two connecting bolts 13, so that the two sealing components 2 are in butt joint sealing, and then the positioning bolts 10 at the connecting position are locked into the corresponding positioning screw holes 8, so that the two dismounting components 5 on the left side and the right side are stably installed on the sealing component 2.
Specific use mode and function of the detection device: when in use, firstly, the sealing component 2 is buckled at the connecting annular seam of the petroleum pipe sleeve body 1, then two groups of connecting carrier plates 12 are connected through two connecting bolts 13, the two sealing components 2 are in butt joint and sealed, then the positioning bolts 10 at the connecting position are locked into the corresponding positioning screw holes 8, thereby the two dismounting components 5 at the left and right sides are stably arranged on the sealing components 2, when the petroleum leakage condition occurs at the annular seam of the petroleum pipe sleeve body 1, leaked petroleum enters the corresponding petroleum monitoring cavity 3 separated by the multi-cavity partition plate 4 by utilizing the corresponding leakage guide grooves 14, the condition of petroleum leakage is detected by the corresponding petroleum sensor 11 positioned in the petroleum monitoring cavity 3 at the moment, and is transmitted to the background, so that the condition of petroleum leakage can be quickly known by staff at the background, the timely remedying the petroleum leakage condition, the inner ends of the positioning bolts 10 can be separated from the inner parts of the positioning screw holes 8 by screwing the corresponding positioning bolts 10, the positioning bolts 10 are cancelled, then the positioning of the dismounting components 5 can be positioned, the petroleum pipe sleeve body is manually dismounted, the two groups of the petroleum leakage can be manually dismounted from the inner parts of the positioning bolts 1 by utilizing the corresponding positioning bolts 5, the two groups of the sealing carrier plates are manually dismounted by utilizing the manual dismounting components 5, the two groups of the sealing carrier plates are driven by the two groups of the manual dismounting components 5 to be driven by the two groups of the sealing carrier plates 1 to be in the condition that the inner parts of the sealing carrier plates are in the condition of the condition that the sealing carrier plates is needed by the joint 1, the condition is influenced by the two manual transmission of the two groups of the sealing bolts 1 is manually released by the inner side is manually pulled by the inner manually pulled by the manual lift the inner part is manually and released by the inner 1, and can be conveniently released out and released out can be released out can release easily and release, so that the two sealing members 2 lack a direct connection relationship, thereby allowing the sealing members 2 to be detached from the intermediate portion, and the detachment of the sealing members 2 to be achieved.

Claims (7)

1. The utility model provides an offshore oil well casing leaks and uses multiple spot monitoring devices which characterized in that: the oil pipe sleeve body (1), the connecting end position of the oil pipe sleeve body (1) is fixed with a sealing component (2); the sealing part (2) consists of two arc-shaped plate structures; an oil monitoring cavity (3) is formed in the sealing component (2); the inside of the petroleum monitoring cavity (3) is circularly arranged and fixedly provided with a plurality of multi-cavity partition plates (4) with rectangular structures; a plurality of dismounting parts (5) with arc-shaped inner sides are arranged and slid on the circumferential outer wall of the sealing part (2) in a surrounding manner; each of the detaching members (5) is respectively located between two multi-cavity partition plates (4); the inner side of the dismounting component (5) is provided with a mounting screw hole (6).
2. A multi-point monitoring device for offshore oil well casing leakage as defined in claim 1, wherein: a 匚 -shaped structure dismounting handle (7) is fixedly arranged on the outer side wall of the dismounting part (5); positioning screw holes (8) are formed in two ends of the dismounting component (5).
3. A multi-point monitoring device for offshore oil well casing leakage as defined in claim 2, wherein: an installation loading plate (9) with a rectangular structure is fixedly installed on the circumferential outer wall of the sealing component (2); the mounting carrier plates (9) and the dismounting parts (5) are arranged in a staggered mode.
4. A multi-point monitoring device for offshore oil well casing leakage as claimed in claim 3, wherein: a positioning bolt (10) is arranged on the mounting carrier plate (9) in a threaded manner; the inner end of the positioning bolt (10) is locked and installed in the positioning screw hole (8).
5. A multi-point monitoring device for offshore oil well casing leakage as defined in claim 4, wherein: the petroleum sensor (11) is locked and installed in the installation screw hole (6); the left and right side walls of the sealing component (2) are fixedly provided with connecting carrier plates (12).
6. A multi-point monitoring device for offshore oil well casing leakage as defined in claim 5, wherein: the two groups of connecting carrier plates (12) are arranged in a front-back staggered manner; and each group of connecting carrier plates (12) is provided with a connecting bolt (13) in a threaded manner.
7. A multi-point monitoring device for offshore oil well casing leakage as defined in claim 6, wherein: six leakage guide grooves (14) are formed in the middle position of the inside of the sealing component (2); six leakage guide grooves (14) are respectively communicated with six spaces separated by the multi-cavity separation plate (4); the leakage guide flow groove (14) is opposite to the butt joint gap of the two petroleum pipe sleeves (1).
CN202323155961.3U 2023-11-22 2023-11-22 Multi-point monitoring device for leakage of offshore oil well casing Expired - Fee Related CN221444024U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202323155961.3U CN221444024U (en) 2023-11-22 2023-11-22 Multi-point monitoring device for leakage of offshore oil well casing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202323155961.3U CN221444024U (en) 2023-11-22 2023-11-22 Multi-point monitoring device for leakage of offshore oil well casing

Publications (1)

Publication Number Publication Date
CN221444024U true CN221444024U (en) 2024-07-30

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ID=92072557

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202323155961.3U Expired - Fee Related CN221444024U (en) 2023-11-22 2023-11-22 Multi-point monitoring device for leakage of offshore oil well casing

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119617230A (en) * 2025-02-17 2025-03-14 常德北控生物质能发电有限公司 Heating pipe pressure test device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119617230A (en) * 2025-02-17 2025-03-14 常德北控生物质能发电有限公司 Heating pipe pressure test device
CN119617230B (en) * 2025-02-17 2025-07-15 常德北控生物质能发电有限公司 Pressure testing device for heat supply pipeline

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20240730

CF01 Termination of patent right due to non-payment of annual fee