CN112600157A - Underground cable branching structure - Google Patents
Underground cable branching structure Download PDFInfo
- Publication number
- CN112600157A CN112600157A CN202010459238.6A CN202010459238A CN112600157A CN 112600157 A CN112600157 A CN 112600157A CN 202010459238 A CN202010459238 A CN 202010459238A CN 112600157 A CN112600157 A CN 112600157A
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- Prior art keywords
- cable
- core cable
- core
- main body
- side wall
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000007789 sealing Methods 0.000 claims description 28
- 210000004907 gland Anatomy 0.000 claims description 13
- 238000002347 injection Methods 0.000 abstract description 9
- 239000007924 injection Substances 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000009413 insulation Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 5
- 210000001503 joint Anatomy 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/10—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes
- H02G15/117—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes for multiconductor cables
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/38—Clamped connections, spring connections utilising a clamping member acted on by screw or nut
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/10—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes
- H02G15/115—Boxes split perpendicularly to main cable direction
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/10—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes
- H02G15/16—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes structurally associated with support for line-connecting terminals within the box
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/081—Bases, casings or covers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/14—Fastening of cover or lid to box
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/16—Distribution boxes; Connection or junction boxes structurally associated with support for line-connecting terminals within the box
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Cable Accessories (AREA)
Abstract
A downhole cable branching structure comprises a multi-core cable and single-core cables, wherein each core cable at one end of the multi-core cable forms a multi-core cable branching line, each multi-core cable branching line and each single-core cable are connected in a one-to-one correspondence mode through a conductive base, and each group of multi-core cable branching line, each single-core cable and each conductive base are fixedly connected through a line fixing bolt. The underground cable branching structure can realize simultaneous passing of one multi-core cable and a plurality of single-core cables, improves the transmission capability of underground data and ground instructions, further improves the performance of the intelligent injection and production tool, fixes and butts the multi-core cable and the single-core cable in the cable through the rotation of the threads between the conductive base and the fixing bolt, saves the internal space, improves the reliability of insulation, and better fixes and compresses the cable.
Description
Technical Field
The invention belongs to the field of oil exploitation, and particularly relates to an underground cable branching structure.
Background
At present, with the gradual development of intelligent injection and production technologies, the occupation ratio of cabled electric control intelligent injection and production wells on an offshore oil platform is gradually increased. In the cable electric control intelligent injection and production technology, a control command is sent to the underground through a cable on the ground, collected information is transmitted to the ground through a cable by an underground sensor, the cable is a carrier of the command and the information, and the cable underground butt joint technology is a key influencing the performance improvement of a cable electric control injection and production system. The existing common underground cable connection technology can only butt two single-core cables, one single-core cable channel is alternately used by underground acquired data and ground control instructions, transmission capacity of the underground data and the ground instructions is limited, and performance of the intelligent injection and production tool is further improved.
Disclosure of Invention
The invention aims to provide an underground cable branching structure to solve the technical problems that the underground cable connection technology can only butt two single-core cables, one single-core cable channel is alternately used by underground acquired data and ground control instructions, the transmission capability of the underground data and the ground instructions is limited, and the performance of an intelligent injection and production tool is further improved.
In order to achieve the purpose, the specific technical scheme of the underground cable branching structure is as follows:
a downhole cable branching structure comprises a multi-core cable and single-core cables, wherein each core cable at one end of the multi-core cable forms a multi-core cable branching line, each multi-core cable branching line and each single-core cable are connected in a one-to-one correspondence mode through a conductive base, and each group of multi-core cable branching line, each single-core cable and each conductive base are fixedly connected through a line fixing bolt.
Further, cable separated time structure in pit includes the main part base, the inside diapire fixed connection insulation backplate of main part base, and electrically conductive base passes through the solidus bolt fastening on the insulation backplate.
Furthermore, the top of the main body base is tightly covered with a sealing gland, the outer side wall of the sealing gland is sleeved in the inner side wall of the main body base, an annular groove is formed around the outer side wall of the sealing gland, a sealing ring is nested in the groove, and the sealing ring is in interference fit with the inner side wall of the main body base to be compressed and sealed.
Furthermore, radial symmetrical wire passing holes are formed in the side wall of the main body base and are respectively communicated with the first cable channel and the second cable channel, the multi-core cable is separated into wires and enters the main body base through the first cable channel, and the single-core cable enters the main body base through the second cable channel.
Further, set up the sleeve of radial symmetry on the main part base lateral wall, the sleeve is close to main part base one end and sets up the gasket, and the gasket opposite side sets up the elasticity sealing plug, and the sealing plug opposite side sets up the connecting seat, through the lateral wall of connecting seat and telescopic inside wall threaded connection, compresses tightly gasket and sealing plug on the main part base lateral wall, and the sealing plug compressive deformation is sealed with multicore cable and single core cable in close contact with.
Further, the multi-core cable and the part of the single-core cable in the connecting seat surround the cable sheath.
Further, a locking ring is sleeved on the outer periphery of the cable sheath.
Furthermore, the outer side wall of the locking ring is sleeved with a pressing cap, the pressing cap is in threaded fit connection with the sleeve to axially press the locking ring, and the outer side wall of the locking ring and the inner side wall of the pressing cap are provided with inclined planes which are matched with each other, so that the locking ring is radially pressed to enable the locking ring to clamp the multi-core cable and the single-core cable through a cable sheath.
Further, the conductive base is an elastic sheet.
The underground cable branching structure has the following advantages: the utility model discloses a cable is fixed with single core cable and is pressed to the inclined plane of mutually supporting on catch and the pressure cap, can realize passing through when a multicore cable and many single core cables, the transmission ability of data and ground instruction in the pit has been improved, make the further improvement of intelligence injection and production instrument performance, the rotation through the screw thread between conductive base and the fixing bolt is fixed and the butt joint with the inside multicore cable of cable and single core cable, the inner space has been saved, place insulating backplate between conductive base and the main part base, the reliability of insulation has been improved, the inclined plane of mutually supporting on catch and the pressure cap is with the better fixed and compress tightly.
Drawings
FIG. 1 is a schematic diagram of a downhole cable breakout configuration of the present invention;
FIG. 2 is a cross-sectional view of a downhole cable breakout structure of the present invention.
The notation in the figure is: 1. a main body base; 2. an insulating guard plate; 3. a conductive base; 4. a wire fixing bolt; 5. a sealing gland; 6. a seal ring; 7. a gasket; 8. a sealing plug; 9. a connecting seat; 10. a cable jacket; 11. a locking ring; 12. pressing the cap; 100. a first cable channel; 200. a multi-core cable; 210. branching the multi-core cable; 300. a single core cable; 400. a second cable channel.
Detailed Description
For a better understanding of the objects, structure and function of the present invention, a downhole cable breakout structure according to the present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the downhole cable branching structure of the present invention includes a multi-core cable 200, the multi-core cable 200 penetrates along an axial direction of an elongated first cable channel 100, after the multi-core cable 200 penetrates out of the first cable channel 100, an outer skin of the multi-core cable 200 is detached, then each core cable is individually wired to form a plurality of multi-core cable branches 210, each multi-core cable branch 210 is connected to a conductive base 3, the other end of each multi-core cable branch 210 corresponds to a single-core cable 300, the plurality of single-core cables 300 penetrate in a reverse direction towards the multi-core cable branch 210 along the axial direction of an elongated second cable channel 400, after the single-core cables 300 penetrate out of the second cable channel 400, each single-core cable 300 is connected to the conductive base 3, and each set of the conductive base 3, the multi-core cable branch 210 and the single-core cables 300 are fastened and connected by a wire.
The conductive base 3 is preferably of a thin-sheet structure, two ends of the conductive base 3 are perpendicular to the bottom surface, and the middle part of the conductive base 3 is parallel to the bottom surface, so that the conductive base 3 is supported on the bottom surface through perpendicular surfaces at the two ends, the wire fixing bolt 4 penetrates through the parallel surface of the conductive base 3 to fixedly connect the conductive base 3 to the bottom surface, and the multi-core cable branch 210 and the single-core cable 300 are fixedly connected to the parallel surface of the conductive base 3 by the wire fixing bolt 4. The conductive base 3 has certain elasticity, so that certain pretightening force is provided for the wire fixing bolt 4, and the wire fixing bolt 4 is prevented from being released.
As shown in fig. 2, the downhole cable branching structure of the present invention further includes a main body base 1, the main body base 1 is a hollow shell, in order to prevent electric leakage, an insulating protective plate 2 is disposed on the inner bottom wall of the main body base 1, a conductive base 3 is fixedly connected to the insulating protective plate 2, and the side wall of the main body base 1 has radial openings penetrating through the first cable channel 100 and the second cable channel 400, so as to allow the multi-core cable branching 210 and the single-core cable 300 to penetrate through.
The top of main part base 1 has the opening, be provided with gland 5 that closely covers to close on the opening, gland 5 has the open-ended casing for the bottom, the mutual through connection of bottom opening of gland 5 and main part base 1's open-top, inside the inside wall of main part base 1 was located to gland 5's lateral wall cover, the annular groove has been seted up on the lateral wall of encircleing gland 5, nested sealing washer 6 that has in the annular groove of gland 5 lateral wall, sealing washer 6 forms interference fit with main part base 1's inside wall and compresses tightly sealed.
There is the sleeve that radial symmetry set up body base 1's outer wall both sides, the sleeve has the trompil near body base 1's a terminal surface center, this terminal surface and body base 1's lateral wall coplane, this trompil is the line trompil of crossing on the body base 1 lateral wall, the sleeve is provided with gasket 7 on being close to the inner wall of 1 terminal surface of body base, gasket 7 keeps away from body base 1's opposite side and is provided with annular sealing plug 8, the telescopic inside wall of lateral wall laminating of sealing plug 8, another terminal surface that gasket 7 was kept away from to sealing plug 8 is provided with annular connecting seat 9, the lateral wall of connecting seat 9 passes through threaded connection with telescopic inside wall, thereby compress tightly gasket 7 and sealing plug 8 on body base 1's lateral wall, sealing plug 8 has elasticity, thereby produce the surface in close contact with multicore cable 200 and.
One end of the multi-core cable 200 and the single-core cable 300, which are positioned outside the main body base 1, extends into the sleeve, a cable sheath 10 is surrounded by the part of the multi-core cable 200 and the single-core cable 300, which are positioned in the connecting seat 9, a lock ring 11 is sleeved on the outer periphery of the cable sheath 10, an annular pressing cap 12 is sleeved on the outer side wall of the lock ring 11, the inner side wall of the pressing cap 12 is in threaded connection with the outer side wall of the sleeve, the lock ring 11 is axially compressed, an inclined surface is arranged on the outer side wall of the lock ring 11, an inclined surface is also arranged on the inner side wall of the pressing cap 12, the inclined surface of the lock ring 11 and the inclined surface of the pressing cap 12 are matched with each other, the lock ring 11 is radially compressed, so that the lock ring 11 clamps the multi-core cable 200 and the single-core.
The underground cable branching structure can realize simultaneous passing of one multi-core cable and a plurality of single-core cables, improves the transmission capability of underground data and ground instructions, further improves the performance of an intelligent injection and production tool, fixes and butts the multi-core cables and the single-core cables inside the cables through the rotation of threads between the conductive base and the fixing bolts, saves the internal space, improves the reliability of insulation by placing an insulating guard plate between the conductive base and the main body base, and better fixes and compresses the cables through the mutually matched inclined planes on the locking ring and the pressing cap.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (9)
1. A cable branching structure in a well is characterized in that: the multi-core cable branching device comprises a multi-core cable (200) and single-core cables (300), wherein each core cable at one end of the multi-core cable (200) forms a multi-core cable branching line (210), each multi-core cable branching line (210) and each single-core cable (300) are connected in a one-to-one correspondence mode through a conductive base (3), and each group of multi-core cable branching line (210), each single-core cable (300) and each conductive base (3) are fixedly connected through a line fixing bolt (4).
2. The downhole cable breakout structure of claim 1, wherein: the underground cable branching structure comprises a main body base (1), wherein the bottom wall inside the main body base (1) is fixedly connected with an insulating protection plate (2), and a conductive base (3) is fixed on the insulating protection plate (2) through a wire fixing bolt (4).
3. The downhole cable breakout structure of claim 2, wherein: the sealing device is characterized in that a sealing gland (5) is tightly covered at the top of the main body base (1), an outer side wall of the sealing gland (5) is sleeved in the inner side wall of the main body base (1), an annular groove is formed in the outer side wall of the sealing gland (5) in a surrounding mode, a sealing ring (6) is nested in the groove, and the sealing ring (6) is in interference fit with the inner side wall of the main body base (1) to be compressed and sealed.
4. The downhole cable breakout structure of claim 2, wherein: the multi-core cable branching device is characterized in that radial symmetrical wire passing holes are formed in the side wall of the main body base (1), the wire passing holes are respectively in through connection with a first cable channel (100) and a second cable channel (400), a multi-core cable branching wire (210) enters the main body base (1) through the first cable channel (100), and a single-core cable (300) enters the main body base (1) through the second cable channel (400).
5. The downhole cable breakout structure of claim 4, wherein: set up the sleeve of radial symmetry on main part base (1) lateral wall, the sleeve is close to main part base (1) one end and sets up gasket (7), gasket (7) opposite side sets up elasticity sealing plug (8), sealing plug (8) opposite side sets up connecting seat (9), lateral wall and telescopic inside wall threaded connection through connecting seat (9), compress tightly gasket (7) and sealing plug (8) on main part base (1) lateral wall, sealing plug (8) pressurized deformation and multicore cable (200) and single core cable (300) in close contact with are sealed.
6. The downhole cable breakout structure of claim 5, wherein: the part of the multi-core cable (200) and the single-core cable (300) in the connecting seat (9) surrounds the cable sheath (10).
7. The downhole cable breakout structure of claim 6, wherein: the locking ring (11) is sleeved on the outer periphery of the cable sheath (10).
8. The downhole cable breakout structure of claim 7, wherein: the outer side wall of the locking ring (11) is sleeved with a pressing cap (12), the pressing cap (12) is connected with the sleeve in a threaded fit mode to axially compress the locking ring (11), the outer side wall of the locking ring (11) and the inner side wall of the pressing cap (12) are provided with inclined surfaces which are matched with each other, and therefore the locking ring (11) is radially compressed to enable the locking ring (11) to clamp the multi-core cable (200) and the single-core cable (300) through the cable sheath (10).
9. The downhole cable breakout structure of claim 1, wherein: the conductive base (3) is an elastic sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010459238.6A CN112600157A (en) | 2020-05-27 | 2020-05-27 | Underground cable branching structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010459238.6A CN112600157A (en) | 2020-05-27 | 2020-05-27 | Underground cable branching structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112600157A true CN112600157A (en) | 2021-04-02 |
Family
ID=75180167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010459238.6A Pending CN112600157A (en) | 2020-05-27 | 2020-05-27 | Underground cable branching structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112600157A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117650375A (en) * | 2024-01-29 | 2024-03-05 | 成都速易联芯科技有限公司 | High-speed cable device convenient to port is adjusted |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106300225A (en) * | 2016-08-23 | 2017-01-04 | 苏州梦之捷焊接技术有限公司 | The butt connector of the leader cable with control line |
| CN206259667U (en) * | 2016-08-29 | 2017-06-16 | 江苏卓创电气科技有限公司 | A kind of multicore cable junction box |
| CN208337093U (en) * | 2018-05-08 | 2019-01-04 | 上海秦兰电气系统工程有限公司 | A kind of waterproof branch box with knock-off hole |
| CN209642244U (en) * | 2019-05-07 | 2019-11-15 | 裴佳佳 | A kind of cable separated time design structure used for distribution |
| CN209880854U (en) * | 2019-05-09 | 2019-12-31 | 新疆华隆油田科技股份有限公司 | Downhole sealing connector for logging cable |
| CN110829308A (en) * | 2019-11-05 | 2020-02-21 | 中车永济电机有限公司 | Electric junction box for preventing condensed water |
-
2020
- 2020-05-27 CN CN202010459238.6A patent/CN112600157A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106300225A (en) * | 2016-08-23 | 2017-01-04 | 苏州梦之捷焊接技术有限公司 | The butt connector of the leader cable with control line |
| CN206259667U (en) * | 2016-08-29 | 2017-06-16 | 江苏卓创电气科技有限公司 | A kind of multicore cable junction box |
| CN208337093U (en) * | 2018-05-08 | 2019-01-04 | 上海秦兰电气系统工程有限公司 | A kind of waterproof branch box with knock-off hole |
| CN209642244U (en) * | 2019-05-07 | 2019-11-15 | 裴佳佳 | A kind of cable separated time design structure used for distribution |
| CN209880854U (en) * | 2019-05-09 | 2019-12-31 | 新疆华隆油田科技股份有限公司 | Downhole sealing connector for logging cable |
| CN110829308A (en) * | 2019-11-05 | 2020-02-21 | 中车永济电机有限公司 | Electric junction box for preventing condensed water |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117650375A (en) * | 2024-01-29 | 2024-03-05 | 成都速易联芯科技有限公司 | High-speed cable device convenient to port is adjusted |
| CN117650375B (en) * | 2024-01-29 | 2024-04-12 | 成都速易联芯科技有限公司 | High-speed cable device convenient to port is adjusted |
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| PB01 | Publication | ||
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Application publication date: 20210402 |