CN107288585A - Base system for deep water exploration and use method thereof - Google Patents
Base system for deep water exploration and use method thereof Download PDFInfo
- Publication number
- CN107288585A CN107288585A CN201710615711.3A CN201710615711A CN107288585A CN 107288585 A CN107288585 A CN 107288585A CN 201710615711 A CN201710615711 A CN 201710615711A CN 107288585 A CN107288585 A CN 107288585A
- Authority
- CN
- China
- Prior art keywords
- drill string
- base
- deep water
- pedestal
- steel wire
- Prior art date
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 41
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 27
- 239000010959 steel Substances 0.000 claims abstract description 27
- 238000005553 drilling Methods 0.000 claims abstract description 12
- 238000004891 communication Methods 0.000 claims abstract description 10
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims abstract description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 34
- 238000005259 measurement Methods 0.000 claims description 8
- 241000269793 Cryothenia peninsulae Species 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims 1
- 239000010720 hydraulic oil Substances 0.000 abstract 1
- 239000003921 oil Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000009429 distress Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- NMJORVOYSJLJGU-UHFFFAOYSA-N methane clathrate Chemical compound C.C.C.C.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O NMJORVOYSJLJGU-UHFFFAOYSA-N 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/01—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells specially adapted for obtaining from underwater installations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a base system for deepwater exploration and a using method thereof, wherein the base system comprises a base, a vertical rod and an inclined rod, wherein the vertical rod and the inclined rod support an automatic balance hoisting system which comprises a hollow mounting seat, a vertical pulley, a horizontal pulley and a horn mouth; a drill string automatic positioning and locking system is arranged between the base and the mounting seat and comprises a drill string channel, an oil cylinder platform, an upright post, a hydraulic oil cylinder, a clamp seat and a clamp jaw; a communication system is arranged on the mounting seat, and a master control system, a deepwater exploration hydraulic power system and a deepwater power supply are arranged on the base; assembling; the steel wire rope is arranged in an automatic balance hoisting system and hoisted to the moon pool; the base position is checked, and the steel wire rope stops being put into the base when the load representation number of the steel wire rope is reduced; providing hydraulic power to complete positioning and locking of the drill column; the base system is lifted to the deck by the master control system. The invention can stably sit on the seabed by lowering the steel wire rope from the drilling ship or the platform to the seabed, and can improve the precision, the depth and the speed of the ocean exploration.
Description
Technical field
It is to be related to a kind of pedestal system reconnoitred for deep water in particular the present invention relates to marine surveys technical field
System and its application method.
Background technology
According to《The United Nations Convention on Law of the Sea》Regulation, including interior water, territorial waters and exclusive economic zone and sanidal China sea
Foreign territory is close to 3,000,000 square kilometres.Marine resources are the important resources reserves of China, including petroleum resources sedimentary basin
About 700,000 square kilometres, about 24,000,000,000 tons of petroleum resources estimator, the tcm of natural gas resource estimator about 14 also has big
The natural gas hydrate resources of amount, i.e., be most hopeful to turn into " combustible ice " of oil gas alternative energy source in this century.
Current China is when carrying out exploration technique operation, and shallow sea mainly takes lease or buying state's outer frame to be made
Industry, and deep-sea basic need is fulfiled assignment by offshore company, accuracy, the confidentiality of technical data are all difficult to ensure that.
The content of the invention
The invention aims to solve sampled data precision and depth of implements present in current marine surveys process
On it is not enough there is provided a kind of base systems and its application method reconnoitred for deep water, by steel wire rope from drilling ship or platform
Upper decentralization is stably sitting on sea bed, its design meets multinomial exploration technique job requirements to seabed, can improve China sea
Precision, depth and the speed of foreign exploration technique.
The purpose of the present invention can be achieved through the following technical solutions.
A kind of base systems reconnoitred for deep water, including base framework, the base framework include being provided with along axis
It is fixed with jointly at the top of the pedestal of through hole, the vertical rod for being arranged at pedestal upper surface and brace, the vertical rod and brace automatic
Balance Lift-on/Lift-off System, autobalance lifting system includes hollow mounting seat, the mounting seat be internally provided with vertical pulley and
The horn mouth at the top and bottom of it is provided through at the top of horizontal trolley, the mounting seat along axis；
Drill string is provided between the pedestal and mounting seat and is automatically positioned fastening system, the drill string is automatically positioned locking system
System includes the drill string passage that is vertically arranged, and the drill string channel roof is provided with oil cylinder platform, the oil cylinder platform and pedestal it
Between be provided with column, the oil cylinder platform and be symmetrically arranged with two hydraulic jacks, the opposite side of two hydraulic jacks is set respectively
Telescopic clamp block is equipped with, each clamp block is provided with the arc vice jaw of compressive deformation；It is logical on the drill string passage, pedestal
Hole, horn mouth in the vertical direction are connected；
The master control system for being provided with and being connected with communication system on communication system, the pedestal is provided with the mounting seat
System, it is automatically positioned for drill string fastening system the deep water of power is provided and reconnoitre hydraulic power system and the deep water power supply for power supply.
The vertical pulley is diagonally set to two, is set with horizontal trolley using triangle point, is set at the top of the mounting seat
Being equipped with two is used for the towing pad of steel wire penetrating, and the towing pad is corresponded with vertical pulley.
It is provided with to be provided with oil cylinder support, the hydraulic jack between hydraulic jack and the oil cylinder platform and is surveyed with deep water
The framework being provided with the oil pipe that hydraulic power system is connected, the oil cylinder platform for positioning drill string is looked into, the framework will
Two jaws are sheltered from, and top is provided with the through hole with drill string passage coaxial line.
The purpose of the present invention can be also achieved through the following technical solutions.
A kind of application method for the base systems reconnoitred for deep water, comprises the following steps：
Step one, according to the exploration task implemented, according to design drawing, the above-mentioned pedestal reconnoitred for deep water is assembled
System；
Step 2, the steel wire rope on drilling ship or platform is installed to after autobalance lifting system, by the base assembled
Base system is hung in moon pool；
Step 3, after the completion of drilling ship or platform positioning, base systems is transferred to purpose pithead position, pass through master control
Water-depth measurement equipment and steel wire rope tripping in length in system check base position, when close to purpose depth, reducing steel wire rope
Running speed, when steel wire rope load represents number reduction, stops tripping in steel wire rope, passes through the water-depth measurement on drilling ship or platform
Whether the water-depth measurement equipment in equipment and master control system is transferred in place to check；
Step 4, after decentralization in place, when carrying out drill string locking operation, master control system control deep water reconnoitres hydraulic power system
Unite operation, deep water, which reconnoitres hydraulic power system and is automatically positioned fastening system for drill string, provides hydraulic power, completion drill string is automatically calmly
Position and locking action；
Whole base systems after fulfiling assignment, are resetted, base systems are promoted into deck by step 5 by master control system
On.
Compared with prior art, many successes are applied among marine exploration construction technical scheme,
Onsite application effect shows that the base systems have the following advantages that：
(1) the deep water power supply for power supply, the master control system for controlling whole base systems are contained in the present invention, is used
Hydraulic power system, the communication system for being communicated with deck are reconnoitred in being automatically positioned fastening system for drill string and providing the deep water of power
System, the self-balancing Lift-on/Lift-off System for lifting and balancing base systems and it is automatically positioned for the drill string for positioning and locking drill string
Fastening system, can reconnoitre under the conditions of drilling technique at existing sea, be transferred by steel wire rope to seabed, available for positioning and
Drill string is locked, realizes that drill string is locked in high precision, at high speed；
(2) arc vice jaw of compressive deformation is used in the present invention, can greatly improve after frictional force, distress resolves, can recover
Original shape, and avoid that drill string is caused to damage；
(3) small volume of the present invention, will not take deck too large area, be easy to carry, and the present invention is entered by steel wire rope in addition
Row lifting, will not cause to bear a heavy burden to drill string, can realize drill string positioning with shallow water (sea) domain in 4000 meters of the depth of water and lock work.
Brief description of the drawings
Fig. 1 is used for the axle side structure schematic diagram for the base systems that deep water is reconnoitred for the present invention's；
Fig. 2 is used for the positive structure diagram for the base systems that deep water is reconnoitred for the present invention's；
Fig. 3 is automatically positioned the axle side structure schematic diagram of fastening system for the drill string of the present invention；
Fig. 4 is automatically positioned the positive structure diagram of fastening system for the drill string of the present invention；
Fig. 5 is A-A sectional views in Fig. 3.
Reference:1 base framework；1-1 pedestals；1-2 vertical rods；1-3 braces；
2 deep water power supplys；3 master control systems；4 deep water reconnoitre hydraulic power system；5 communication systems；
6 autobalances lift system；7 drill strings are automatically positioned fastening system；
6-1 mounting seats；6-2 founds pulley；6-3 horizontal trolleys；6-4 horn mouths；6-5 towing pads；
7-1 oil cylinder platforms；7-2 frameworks；7-3 columns；7-4 drill string passages；7-5 oil cylinders are supported；
7-6 oil pipes；7-7 jaws；7-8 hydraulic jacks；7-9 clamp blocks.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As shown in Figures 1 to 5, the base systems reconnoitred for deep water of the invention, including base framework 1, the pedestal
Framework 1 includes axis is provided with the pedestal 1-1 of through hole, the vertical rod 1-2 for being arranged at pedestal 1-1 upper surfaces and brace 1-3, described
Autobalance lifting system 6 is supported by the top of vertical rod 1-2 and brace 1-3 jointly, the autobalance lifting system 6 is used to lift
With the whole base systems of balance.The autobalance lifting system 6 includes the hollow mounting seat 6-1 being coaxially disposed with pedestal 1-1,
The horn mouth 6-4 at the top and bottom of it is provided through at the top of the mounting seat 6-1 along axis.Set inside the mounting seat 6-1
Vertical pulley 6-2 and horizontal trolley 6-3 is equipped with, the vertical pulley 6-2 is diagonally set to two, triangle is used with horizontal trolley 6-3
Form point is set, be provided with the top of the mounting seat 6-1 two the towing pad 6-5, the towing pad 6-5 for being used for steel wire penetrating with
Vertical pulley 6-2 is corresponded.
Drill string is provided between the pedestal 1-1 and mounting seat 6-1 and is automatically positioned fastening system 7, the drill string is automatically fixed
Position locking system 7 is used to positioning and locking drill string.The drill string is automatically positioned the drill string passage that fastening system 7 includes being vertically arranged
Oil cylinder platform 7-1 is provided with the top of 7-4, the drill string passage 7-4, is provided between the oil cylinder platform 7-1 and pedestal 1-1 vertical
Post 7-3.Two hydraulic jack 7-8, two hydraulic jack 7-8 opposite side difference are symmetrically arranged with the oil cylinder platform 7-1
Telescopic clamp block 7-9 is provided with, each clamp block 7-9 is provided with the arc vice jaw 7-7 of compressive deformation.The hydraulic jack 7-
It is provided with to be provided with oil cylinder support 7-5, the hydraulic jack 7-8 between 8 and oil cylinder platform 7-1 and reconnoitres hydraulic power with deep water
The framework 7-2, the framework 7-2 for positioning drill string are provided with the oil pipe 7-6, the oil cylinder platform 7-1 that system 4 is connected
Jaw 7-7 under two recovery states can be sheltered from.It is provided with and bores in the middle part of the oil cylinder platform 7-1 and at the top of framework 7-2
The through hole of post passage 7-4 coaxial lines.Through hole, drill string passage 7-4, the through hole on oil cylinder platform 7-1, frame on the pedestal 1-1
Through hole at the top of frame 7-2 is connected with horn mouth 6-4 in the vertical directions, is easy to drill string to run through base systems of the present invention.
It is provided with the mounting seat 6-1 on communication system 5, the pedestal 1-1 and is provided with what is be connected with communication system 5
Master control system 3, deep water reconnoitre hydraulic power system 4 and the deep water power supply 2 for power supply.The master control system 3 is whole for controlling
Individual base systems, the deep water reconnoitres hydraulic power system 4 and is automatically positioned the offer hydraulic power of fastening system 7 for drill string, described
Communication system 5 is used to be communicated with deck.
The base systems of the present invention are transferred to seabed by steel wire rope, positioning and locking drill string, executable to survey accordingly
Look into operation.The application method for the base systems that the present invention is reconnoitred for deep water, comprises the following steps：
Step one, according to the exploration task implemented, according to design drawing, the above-mentioned pedestal reconnoitred for deep water is assembled
System.
Step 2, the steel wire rope on drilling ship or platform is installed to after autobalance lifting system 6, by the base assembled
Base system is hung in moon pool.Wherein, steel wire rope is introduced through a towing pad 6-5, successively through vertical pulley 6-2, horizontal trolley 6-3 and
After the vertical pulley 6-2 of diagonal angle, drawn, tied down whole base systems by another towing pad 6-5 with this, so that the later stage is carried out
The operations such as the lifting of base systems.
Step 3, after the completion of drilling ship or platform positioning, base systems is transferred to purpose pithead position, pass through master control
Water-depth measurement equipment and steel wire rope tripping in length built in system 3 check pedestal 1-1 positions, when close to purpose depth, reduction
Steel wire rope running speed, when steel wire rope load table (on deck) registration is reduced, stops tripping in steel wire rope, passes through drilling ship or flat
Whether the water-depth measurement equipment in water-depth measurement equipment and master control system 3 on platform is transferred in place to check.
Step 4, after decentralization in place, when carrying out drill string locking operation, the control deep water of master control system 3 reconnoitres hydraulic power
The operation of system 4, deep water reconnoitres hydraulic power system 4 and is automatically positioned the offer hydraulic power of fastening system 7, two clamp block 7- for drill string
9 symmetrical stretch out make two jaw 7-7 locking drill strings, complete drill string and are automatically positioned and locking action.
Step 5, after fulfiling assignment, is resetted by 3 pairs of whole base systems of master control system, base systems is promoted into first
On plate.
Although the function and the course of work of the present invention are described above in conjunction with accompanying drawing, the invention is not limited in
Above-mentioned concrete function and the course of work, above-mentioned embodiment are only schematical, rather than restricted, ability
The those of ordinary skill in domain is not departing from present inventive concept and scope of the claimed protection situation under the enlightenment of the present invention
Under, many forms can also be made, these are belonged within the protection of the present invention.
Claims (4)
1. a kind of base systems reconnoitred for deep water, including base framework (1), the base framework (1) include setting along axis
It is equipped with the pedestal (1-1) of through hole, the vertical rod (1-2) for being arranged at pedestal (1-1) upper surface and brace (1-3), it is characterised in that institute
State and be supported by autobalance lifting system (6) at the top of vertical rod (1-2) and brace (1-3) jointly, the autobalance lifts system
(6) hollow mounting seat (6-1) is included, the mounting seat (6-1) is internally provided with vertical pulley (6-2) and horizontal trolley (6-3), institute
State the horn mouth (6-4) being provided through at the top of mounting seat (6-1) along axis at the top and bottom of it；
Drill string is provided between the pedestal (1-1) and mounting seat (6-1) and is automatically positioned fastening system (7), and the drill string is automatic
Positioning and locking system (7) includes the drill string passage (7-4) being vertically arranged, and drill string passage (7-4) top is provided with oil cylinder and put down
Platform (7-1), is provided with column (7-3), the oil cylinder platform (7-1) on pair between the oil cylinder platform (7-1) and pedestal (1-1)
Title is provided with two hydraulic jacks (7-8), and the opposite side of two hydraulic jacks (7-8) is respectively arranged with telescopic clamp block (7-
9), each clamp block (7-9) is provided with the arc vice jaw (7-7) of compressive deformation；On the drill string passage (7-4), pedestal (1-1)
Through hole, horn mouth (6-4) in the vertical direction is connected；
It is provided with to be provided with communication system (5), the pedestal (1-1) on the mounting seat (6-1) and is connected with communication system (5)
The master control system (3) that connects, be automatically positioned for drill string fastening system (7) provide power deep water reconnoitre hydraulic power system (4) and
Deep water power supply (2) for power supply.
2. the base systems according to claim 1 reconnoitred for deep water, it is characterised in that the vertical pulley (6-2) is right
Angle is set to two, is set with horizontal trolley (6-3) using triangle point, and two use are provided with the top of the mounting seat (6-1)
In the towing pad (6-5) of steel wire penetrating, the towing pad (6-5) corresponds with vertical pulley (6-2).
3. the base systems according to claim 1 reconnoitred for deep water, it is characterised in that the hydraulic jack (7-8)
It is provided with to be provided with oil cylinder support (7-5), the hydraulic jack (7-8) between oil cylinder platform (7-1) and reconnoitres liquid with deep water
Press the framework (7- being provided with the oil pipe (7-6) that Force system (4) is connected, the oil cylinder platform (7-1) for positioning drill string
2), the framework (7-2) shelters from two jaws (7-7), and top be provided with it is logical with drill string passage (7-4) coaxial line
Hole.
4. it is used for the application method for the base systems that deep water is reconnoitred described in a kind of the claims 1 to 3, it is characterised in that bag
Include following steps：
Step one, according to the exploration task implemented, according to design drawing, the above-mentioned pedestal system reconnoitred for deep water is assembled
System；
Step 2, the steel wire rope on drilling ship or platform is installed to after autobalance lifting system (6), by the pedestal assembled
System is hung in moon pool；
Step 3, after the completion of drilling ship or platform positioning, base systems is transferred to purpose pithead position, pass through master control system
(3) water-depth measurement equipment and steel wire rope tripping in length in check pedestal (1-1) position, when close to purpose depth, reducing steel
Cord running speed, when steel wire rope load represents number reduction, stops tripping in steel wire rope, passes through the depth of water on drilling ship or platform
Whether the water-depth measurement equipment in measuring apparatus and master control system (3) is transferred in place to check；
Step 4, after decentralization in place, when carrying out drill string locking operation, master control system (3) control deep water reconnoitres hydraulic power system
System (4) operation, deep water reconnoitres hydraulic power system (4) and is automatically positioned fastening system (7) offer hydraulic power for drill string, completes to bore
Post is automatically positioned and locking action；
Whole base systems after fulfiling assignment, are resetted, base systems are promoted into deck by step 5 by master control system (3)
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710615711.3A CN107288585B (en) | 2017-07-26 | 2017-07-26 | Base system for deep water investigation and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710615711.3A CN107288585B (en) | 2017-07-26 | 2017-07-26 | Base system for deep water investigation and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107288585A true CN107288585A (en) | 2017-10-24 |
| CN107288585B CN107288585B (en) | 2023-09-05 |
Family
ID=60103028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710615711.3A Active CN107288585B (en) | 2017-07-26 | 2017-07-26 | Base system for deep water investigation and use method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107288585B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110588877A (en) * | 2019-09-30 | 2019-12-20 | 广州黄船海洋工程有限公司 | Diving moon pool installation process |
| CN117626931A (en) * | 2023-12-18 | 2024-03-01 | 中国电建集团华东勘测设计研究院有限公司 | Self-elevating geological survey platform seabed base plate, retraction device and operation method |
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| CN204785329U (en) * | 2015-06-07 | 2015-11-18 | 武汉磐索地勘科技有限公司 | Seabed exploring equipment and seabed base skirtboard device of expanded support area thereof |
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| CN206942739U (en) * | 2017-07-26 | 2018-01-30 | 北京探矿工程研究所 | Base system for deep water exploration |
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2017
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|---|---|---|---|---|
| GB1448401A (en) * | 1974-01-22 | 1976-09-08 | Hodgson D | Deep sea exploration structures |
| GB1502643A (en) * | 1975-02-06 | 1978-03-01 | Taylor Woodrow Const Ltd | Joints for anchoring structures to the sea bed |
| US20060042800A1 (en) * | 2004-09-01 | 2006-03-02 | Millheim Keith K | System and method of installing and maintaining an offshore exploration and production system having an adjustable buoyancy chamber |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110588877A (en) * | 2019-09-30 | 2019-12-20 | 广州黄船海洋工程有限公司 | Diving moon pool installation process |
| CN110588877B (en) * | 2019-09-30 | 2021-04-27 | 广州黄船海洋工程有限公司 | Diving moon pool installation process |
| CN117626931A (en) * | 2023-12-18 | 2024-03-01 | 中国电建集团华东勘测设计研究院有限公司 | Self-elevating geological survey platform seabed base plate, retraction device and operation method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107288585B (en) | 2023-09-05 |
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