CN210264673U - Horse head, logging instrument and logging device - Google Patents
Horse head, logging instrument and logging device Download PDFInfo
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- CN210264673U CN210264673U CN201920707181.XU CN201920707181U CN210264673U CN 210264673 U CN210264673 U CN 210264673U CN 201920707181 U CN201920707181 U CN 201920707181U CN 210264673 U CN210264673 U CN 210264673U
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- logging instrument
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- 241001023788 Cyttus traversi Species 0.000 title description 2
- 230000007246 mechanism Effects 0.000 claims abstract description 63
- 230000008878 coupling Effects 0.000 claims abstract description 58
- 238000010168 coupling process Methods 0.000 claims abstract description 58
- 238000005859 coupling reaction Methods 0.000 claims abstract description 58
- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 230000006698 induction Effects 0.000 claims abstract description 5
- 210000000078 claw Anatomy 0.000 claims description 15
- 239000007769 metal material Substances 0.000 claims description 3
- 230000035699 permeability Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
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Abstract
The utility model relates to a bridle, a logging instrument and a logging device, wherein the bridle comprises a driving device, a transmission mechanism, a grabbing structure and a first coupling coil; the logging instrument is matched with the headstall for use and comprises a body, a structure to be grabbed and a second coupling coil; the logging device comprises the headstall and the logging instrument, wherein when the headstall grabs the logging instrument, the first coupling coil and the second coupling coil are induction coils. The logging device provided by the embodiment of the utility model can overcome the interference of obstacles, solve the eccentricity problem and realize the functions of releasing and grabbing the logging instrument through micro-motion; the bridle of the utility model can carry out wireless transmission of logging data after being grabbed underground, thereby greatly improving the logging efficiency; just the utility model discloses a headstall structure is compact, easy to maintain, and the reliability is high.
Description
Technical Field
The utility model belongs to the exploration field, concretely relates to bridle, logging instrument and logging device.
Background
With the wide popularization of storage logging instruments in the exploration field, how to reliably and accurately release and grab a string of logging instruments at a target well depth becomes a subject of increasing attention of the industry. The underground environment is extremely severe, a large amount of high-temperature and high-pressure slurry mixed liquid exists, the eccentric problem caused by deformation and damage of a casing pipe/a drill rod exists, and how to ensure that the headstall can carry out reliable and accurate releasing/grabbing operation is a prerequisite condition for completing a logging task by a logging instrument.
Meanwhile, after the storage type instrument completes the logging task, a large amount of information data needs to be transmitted so as to complete the judgment and interpretation of the geographic exploration information. In the traditional method, the logging instrument is lifted to the ground and then connected with the reading equipment, so that a great deal of time is required for logging personnel, and the logging efficiency is seriously influenced.
Therefore, how to provide a logging device capable of accurately releasing and grabbing logging instruments and rapidly transmitting data has become an important research issue.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned problem that exists among the prior art, the utility model provides a bridle, logging instrument and logging device. The to-be-solved technical problem of the utility model is realized through following technical scheme:
the embodiment of the utility model provides a halter 10, halter 10 includes: the device comprises a driving device 101, a transmission mechanism 102, a grabbing structure 103 and a first coupling coil 104; the driving device 101, the transmission mechanism 102 and the grabbing structure 103 are sequentially connected, the outer diameter of the grabbing mechanism 103 is of a stepped reducing structure, and the first coupling coil 104 is arranged on the grabbing structure 103.
In an embodiment of the present invention, the device further comprises a cable 105, wherein the cable 105 is connected to the first coupling coil 104.
In an embodiment of the present invention, the present invention further includes a sealed cabin 106, and the driving device 101 and the transmission mechanism 102 are all disposed inside the sealed cabin 106.
In an embodiment of the present invention, the grabbing mechanism 103 is provided with a cavity, and the first coupling coil 104 is disposed on the inner wall of the cavity.
In an embodiment of the present invention, the grabbing mechanism 103 further includes: a push rod 1031, a dragging sleeve 1032, a retraction limiting cylinder 1033, a dragging inserting key 1034, a retraction claw 1035 and a pressure bearing mechanism 1036; the dragging sleeve 1032, the retraction limiting cylinder 1033 and the pressure-bearing mechanism 1036 are sequentially connected, the pressure-bearing mechanism 1036 is internally provided with the cavity, and the push rod 1031 is fixedly arranged inside the dragging sleeve 1032 through the dragging inserting key 1034; the retraction pawl 1035 is hinged at one end of the pressure-bearing mechanism 1036 far away from the retraction limiting cylinder 1033.
In an embodiment of the present invention, at least two retraction pawls 1035 are provided on the retraction mechanism 1036.
Another embodiment of the utility model provides a logging instrument 20, logging instrument 20 and any one of the above-mentioned embodiments bridle 10 cooperate, logging instrument 20 includes: a body 201, a structure 203 to be grabbed and a second coupling coil 202; the second coupling coil 202 is disposed at one end of the to-be-grabbed mechanism 203, and the other end of the to-be-grabbed mechanism 203 is connected to the body 201.
In an embodiment of the present invention, the structure 203 to be grabbed includes a centering mechanism 2031 and a grabbing rod 2032, the centering mechanism 2031 is disposed on the grabbing rod 2032 near the one end of the body 201 and the grabbing rod 2032 is connected.
In another embodiment of the present invention, a well logging apparatus 30 is provided, which includes the headstall 10 of any one of the above embodiments and the well logging instrument 20 of any one of the above embodiments; the first coupling coil 104 and the second coupling coil 202 are induction coils.
In an embodiment of the present invention, the first coupling coil 104 and the second coupling coil 202 are both made of metal material with magnetic permeability with a withstand pressure of 140MPa and a temperature of 175 ℃.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the bridle of the utility model can overcome the interference of obstacles when grabbing the logging instrument, solve the eccentric problem of the logging instrument, and realize the functions of releasing and grabbing the logging instrument through micro-motion;
2. after the bridle of the utility model grabs the logging instrument in the pit, the logging instrument can transmit logging data to the bridle wirelessly, and the logging data can be read without lifting the logging instrument to the ground, thereby greatly improving the logging efficiency;
3. the logging device of the utility model has compact structure, easy maintenance and high reliability;
4. the utility model discloses a headstall is realizing releasing, snatching the logging instrument to and headstall and logging instrument carry out logging data wireless transmission and do not receive ambient pressure's influence.
Drawings
Fig. 1 is a schematic structural view of a bridle provided in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a logging tool according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a logging device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a logging apparatus according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to specific examples, but the present invention is not limited thereto.
Example one
Please refer to fig. 1, fig. 1 is a schematic structural diagram of a bridle according to an embodiment of the present invention. This halter 10 includes: the device comprises a driving device 101, a transmission mechanism 102, a grabbing structure 103 and a first coupling coil 104; the driving device 101, the transmission mechanism 102 and the grabbing structure 103 are sequentially connected, the outer diameter of the grabbing mechanism 103 is of a stepped reducing structure, and the first coupling coil 104 is arranged on the grabbing structure 103.
The first coupling coil 104 is one of coils of a wireless transmission mutual inductance coupling coil, and receives logging data in a wireless transmission mode.
It should be noted that the first coupling coil 104 may be disposed inside the grabbing structure 103, or may be disposed on the outer surface of the grabbing structure 103, as long as the grabbing structure 103 is provided with a spiral groove, and the first coupling coil 104 may be fixed, and the specific position is not limited herein.
Preferably, the first coupling coil 104 is arranged in the middle of the headstall 10.
Further, a cavity is arranged inside the grabbing structure 103, and the first coupling coil 104 is arranged on the inner wall of the cavity; specifically, the first coupling coil 104 may be disposed along the inner wall of the cavity.
Furthermore, the outer diameter of the grabbing structure 103 adopts a stepped reducing structure, the outer diameters of the two ends of the grabbing mechanism 103 are larger, and the outer diameter of the middle section with the retractable claw 1035 is smaller, so that even under the condition that the halter moves slightly, the outer diameter of the protruding mechanism of the retractable claw 1035 is smaller than the maximum outer diameter of the grabbing mechanism 103, and therefore the obstacle interference can be overcome during the well descending process of the halter 10, and the eccentric problem of the halter 10 under the conditions of the well descending process and the micro motion can be solved.
Further, the grabbing mechanism 103 further comprises a push rod 1031, a dragging sleeve 1032, a retraction limiting cylinder 1033, a dragging inserting key 1034, a retraction claw 1035 and a pressure bearing mechanism 1036; the dragging sleeve 1032, the retraction limiting cylinder 1033 and the pressure-bearing mechanism 1036 are connected, the cavity is arranged in the pressure-bearing mechanism 1036, the push rod 1031 is fixedly arranged in the dragging sleeve 1032 through the dragging inserting key 1034, and the retraction pawl 1035 is hinged to one end, far away from the retraction limiting cylinder 1033, of the pressure-bearing mechanism 1036; wherein, the retraction limiting cylinder 1033 is provided with at least two retraction claws 1035.
It should be noted that the pressure-bearing mechanism 1036 is a pressure support body of the first coupling coil 104, so that the first coupling coil 104 is ensured not to be substantially pressed, and the pressure-resisting capability of the first coupling coil 104 is greatly improved.
Further, the grabbing mechanism 103 further includes an auxiliary spring 1037, a pressure-bearing mechanism 1036, a first stroke switch 1038, and a second stroke switch 1039, wherein the auxiliary spring 1037 is disposed at an outer periphery of the pressure-bearing mechanism 1036, and the first stroke switch 1038 and the second stroke switch 1039 are disposed at two opposite sides of the T-shaped threaded adapter nut 1023.
Further, the driving device 101 includes: a power source 1011 and a gripping structure circuit control part 1012, wherein the driving device 101 drives the gripping mechanism 103 to perform linear motion along the axial direction through the transmission mechanism 102 so as to complete releasing and gripping actions. Preferably, the power source is an electric motor.
Further, the transmission mechanism 102 includes: the coupling 1021, the lead screw 1022, and the rotating-to-straight line structure 1023, wherein the rotating-to-straight line structure 1023 may be a T-shaped threaded adapter nut, a ball screw, an eccentric plunger mechanism, or the like, which is not limited herein. Preferably, the rotary-to-linear motion structure is a T-shaped threaded adapter nut.
Further, the bridle 10 further includes a sealed cabin 106, and the driving device 101 and the transmission mechanism 102 are both disposed inside the sealed cabin 106.
It should be noted that the sealed cabin 106 makes the headstall 10 not affected by the environmental pressure when releasing and grabbing the logging instrument 20 are realized, and when the headstall 10 and the logging instrument 20 perform wireless transmission of logging data.
Further, the headstall further comprises a cable 105, the cable 105 is connected with the first coupling coil 104, the cable 105 is used for supplying power to the first coupling coil 104, and meanwhile the first coupling coil 104 receives wireless logging data and transmits the wireless logging data to the upper computer through the cable 105.
It should be noted that, in another embodiment, the driving device and the transmission mechanism may be combined into one component.
The utility model discloses halter beneficial effect does:
1. the bridle can overcome the interference of obstacles when grabbing the logging instrument, solve the eccentric problem of the logging instrument, and further realize the functions of releasing and grabbing the logging instrument through micro-motion;
2. the bridle is free from the influence of environmental pressure when releasing and grabbing the logging instrument and wirelessly transmitting logging data with the logging instrument.
Example two
The present embodiment provides a logging tool 20, and the logging tool 20 is used in combination with any of the headsets 10 of the above embodiments. Referring to fig. 2, fig. 2 is a schematic structural diagram of a logging instrument according to an embodiment of the present invention. The logging instrument 20 includes: a body 201, a structure 203 to be grabbed and a second coupling coil 202; the second coupling coil 202 is disposed at one end of the structure 203 to be grabbed, and the other end of the structure 203 to be grabbed is connected to the body 201.
Further, the structure to be grasped 203 includes: the body 201 comprises a righting mechanism 2031 and a grabbing rod 2032, wherein the righting mechanism 2031 is arranged at one end of the grabbing rod 2032 close to the body 201 and is connected with the grabbing rod 2032; wherein the grabbing bar 2032 is provided with a spiral groove near the second coupling coil 202.
Furthermore, the centralizing mechanism adopts a step-type conical surface structure.
It should be noted that, the centering mechanism with the progressive conical surface structure improves the convenience of assembly, and also greatly improves the coaxiality precision after assembly.
The logging instrument of this embodiment can be directly pass through wireless coupling coil transmission logging data with the headstall, has promoted the convenience of assembly simultaneously through adopting the righting mechanism of progressive conical surface structure, has also improved the axiality precision after the assembly simultaneously greatly.
EXAMPLE III
Referring to fig. 3, fig. 3 is a schematic diagram of a logging apparatus according to an embodiment of the present invention. The present embodiment is based on the above embodiments, and the operation principle of the logging device 30 is described.
Specifically, the logging apparatus 30 includes the headstall 10 and the logging instrument 20, wherein the first coupling coil 104 and the second coupling coil 202 are induction coils.
Specifically, the first coupling coil 104 and the second coupling coil 202 are both made of metal materials with magnetic permeability and withstanding pressure of 140MPa and temperature of 175 ℃.
Further, the first coupling coil 104 and the second coupling coil 202 adopt a spiral groove structure, and the coils are wound and then embedded in the spiral groove by a cable.
It should be noted that, the first coupling coil 104 and the second coupling coil 202 adopting the spiral groove structure are not substantially pressed, and the pressed surface of the structure is supported by the metal on the top of the spiral groove, so that the voltage resistance of the induction coil is greatly improved.
The working principle of the logging device of the embodiment is as follows:
after the bridle 10 finishes the task of grabbing the logging instrument 20 underground, the first coupling coil 104 and the second coupling coil 202 finish coupling at the same time, the logging instrument 20 performs wireless transmission through the first coupling coil 104 and the second coupling coil 202, logging information is transmitted to the bridle 10, and meanwhile, the bridle 10 is electrically connected with the cable 105 to transmit the logging information to the ground.
The beneficial effect of this embodiment does: after the bridle snatchs the logging instrument in the pit, the logging instrument can pass through wireless transmission with the logging data and give the bridle, need not to promote the logging instrument and just can read the logging data after ground, promotes logging efficiency greatly.
Example four
Please refer to fig. 4, fig. 4 is a schematic structural diagram of a logging apparatus according to an embodiment of the present invention. In the present embodiment, on the basis of the above embodiments, the working principle of the logging apparatus is mainly described in detail.
The logging device comprises: the mechanical hand comprises a push rod 1031, a dragging sleeve 1032, a retracting and limiting cylinder 1033, a dragging inserting key 1034, a retracting and limiting claw 1035, a pressure bearing mechanism 1036, a motor 1011, a grabbing mechanism circuit control part 1012, a coupler 1021, a lead screw 1022, a T-shaped threaded switching nut 1023, a first travel switch 1038, a second travel switch 1039 and an auxiliary spring 1037.
The motor 1011, the grabbing mechanism circuit control part 1012, the coupling 1021, the lead screw 1022 and the T-shaped threaded adapter nut 1023 are connected in sequence.
The dragging sleeve 1032, the retraction limiting cylinder 1033 and the pressure bearing mechanism 1036 are sequentially connected, and the push rod 1031 is fixedly arranged inside the dragging sleeve 1032 through the dragging inserting key 1034; the retraction pawl 1035 is hinged at one end of the pressure-bearing mechanism 1036 far away from the retraction limiting cylinder 1033.
The auxiliary spring 1037 is disposed at the outer periphery of the pressure-bearing mechanism 1036, and the first stroke switch 1038 and the second stroke switch 1039 are disposed at opposite sides of the T-shaped threaded adapter nut 1023.
The working principle of the logging device of the embodiment is as follows:
and (3) a release process: the motor 1011 starts to work, the motor 1011 drives the lead screw 1022 to perform rotary motion through the coupler 1021, and the rotary motion is converted into linear motion through the T-shaped threaded switching nut 1023; parts such as the push rod 1031, the dragging inserting key 1034, the dragging sleeve 1032, the retraction limiting cylinder 1033 and the like are pulled to move upwards in the linear motion process of the T-shaped thread switching nut 1023; when the retraction limiting cylinder 1033 moves upwards for a certain distance, the lower end surface of the rectangular notch of the retraction limiting cylinder 1033 contacts with the end surface of the retraction claw 1035 and starts to extrude the retraction claw 1035; as the retraction limiting cylinder 1033 continues to move upwards, the retraction claw 1035 continuously opens by taking the hinged pin shaft as a circle center until the opening diameter is larger than the diameter of the grabbing section of the logging instrument 20, at this time, the grabbing mechanism circuit control part 1021 just receives a stop signal sent by the first travel switch 1038, the motor 1011 stops moving, and the releasing task is completed.
The grabbing process comprises the following steps: the motor 1011 starts to work (the rotating direction is opposite to the releasing process), the motor 1011 drives the lead screw 1022 to rotate through the coupler 1021, and the rotating motion is converted into linear motion through the T-shaped threaded switching nut 1023; in the linear motion process of the T-shaped threaded switching nut 1023, parts such as the push rod 1031, the dragging inserting key 1034, the dragging sleeve 1032, the retraction limiting cylinder 1033 and the like are pulled to move downwards; when the retraction limiting cylinder 1033 moves downwards for a certain distance, the inner wall of the retraction limiting cylinder 1033 is contacted with the outer surface of the retraction claw 1035, and the retraction claw 1035 starts to tightly hold the grabbing section of the logging instrument 20 under the combined action of extrusion force and the pressure of the auxiliary spring 1037; as the retraction limiting cylinder 1033 continues to move downwards, the retraction claw 1035 is continuously tightened by taking the hinged pin shaft as a circle center until the tightening diameter is equal to the diameter of the grabbing section of the logging instrument 20 and the retraction limiting cylinder 1033 completely hoops the retraction claw 1035, at this time, the circuit control part 1012 of the grabbing mechanism just receives a stop signal sent by the second travel switch 1039, the motor 1011 stops moving, and the grabbing task is completed.
The beneficial effects of this embodiment include:
1. the bridle, the logging instrument and the logging device can overcome obstacle interference, solve the eccentricity problem and realize the functions of releasing/grabbing the logging instrument through micro-motion;
2. after the headstall grabs the logging instrument underground, the logging instrument can transmit logging data to the headstall wirelessly, and the logging data can be read without lifting the logging instrument to the ground, so that the logging efficiency is greatly improved;
3. the logging device of the embodiment has the advantages of compact structure, easy maintenance and high reliability;
4. the release/grabbing behavior of the logging device and the wireless transmission of logging data are not affected by the environmental pressure, and the environmental pressure cannot affect the normal work of the logging device in the using process.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (10)
1. A halter, comprising: the device comprises a driving device (101), a transmission mechanism (102), a grabbing mechanism (103) and a first coupling coil (104); wherein,
the driving device (101), the transmission mechanism (102) and the grabbing mechanism (103) are sequentially connected, the outer diameter of the grabbing mechanism (103) adopts a stepped reducing structure, and the first coupling coil (104) is arranged on the grabbing mechanism (103).
2. The headstall as set forth in claim 1 further comprising: a cable (105), the cable (105) being connected to the first coupling coil (104).
3. The headstall according to claim 1, further comprising a sealed housing (106), wherein the drive unit (101) and the transmission mechanism (102) are both disposed inside the sealed housing (106).
4. The headstall according to claim 1, wherein the gripping means (103) is provided with a cavity and the first coupling coil (104) is provided on an inner wall of the cavity.
5. The headstall according to claim 4, characterized in that said gripping means (103) comprise: the device comprises a push rod (1031), a dragging sleeve (1032), a retraction limiting cylinder (1033), a dragging inserting key (1034), a retraction claw (1035) and a pressure bearing mechanism (1036); wherein,
the dragging sleeve (1032), the retraction limiting cylinder (1033) and the pressure-bearing mechanism (1036) are sequentially connected, the cavity is arranged in the pressure-bearing mechanism (1036), and the push rod (1031) is fixedly arranged in the dragging sleeve (1032) through the dragging inserting key (1034);
the retraction claw (1035) is hinged to one end of the pressure bearing mechanism (1036) far away from the retraction limiting cylinder (1033).
6. The headstall according to claim 5, wherein said pressure bearing means (1036) is provided with at least two said retractable pawls (1035).
7. A logging tool for use with a headstall (10) as claimed in any of claims 1 to 6, wherein the logging tool comprises: the device comprises a body (201), a structure to be grabbed (203) and a second coupling coil (202);
the second coupling coil (202) is arranged at one end of the structure (203) to be grabbed, and the other end of the structure (203) to be grabbed is connected with the body (201).
8. A logging instrument according to claim 7, wherein the structure (203) to be gripped comprises: the body (201) comprises a righting mechanism (2031) and a grabbing rod (2032), wherein the righting mechanism (2031) is arranged at one end, close to the body (201), of the grabbing rod (2032) and is connected with the grabbing rod (2032).
9. A logging device comprising a headstall (10) as claimed in any of claims 1 to 6 and a logging instrument (20) as claimed in any of claims 7 to 8; wherein,
the first coupling coil (104) and the second coupling coil (202) are induction coils.
10. A logging device according to claim 9, wherein said first coupling coil (104) and said second coupling coil (202) are both metallic materials with magnetic permeability withstanding a pressure of 140MPa and a temperature of 175 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920707181.XU CN210264673U (en) | 2019-05-16 | 2019-05-16 | Horse head, logging instrument and logging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920707181.XU CN210264673U (en) | 2019-05-16 | 2019-05-16 | Horse head, logging instrument and logging device |
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| Publication Number | Publication Date |
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| CN210264673U true CN210264673U (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920707181.XU Active CN210264673U (en) | 2019-05-16 | 2019-05-16 | Horse head, logging instrument and logging device |
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| CN (1) | CN210264673U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113250678A (en) * | 2021-05-07 | 2021-08-13 | 中海油田服务股份有限公司 | Control system for halter, ground system and control method thereof |
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2019
- 2019-05-16 CN CN201920707181.XU patent/CN210264673U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113250678A (en) * | 2021-05-07 | 2021-08-13 | 中海油田服务股份有限公司 | Control system for halter, ground system and control method thereof |
| CN113250678B (en) * | 2021-05-07 | 2023-03-14 | 中海油田服务股份有限公司 | Control system for halter, ground system and control method thereof |
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Effective date of registration: 20210705 Address after: Room 02, 3rd floor, building 2, Sitan Industrial Park, No.22, Keji 5th Road, high tech Zone, Xi'an, Shaanxi 710000 Patentee after: XI'AN SITAN OIL AND GAS ENGINEERING SERVICE Co.,Ltd. Patentee after: XI'AN SITAN INSTRUMENTS Co.,Ltd. Address before: 710065 No. 22 Science and Technology Fifth Road, Xi'an High-tech Zone, Shaanxi Province Patentee before: XI'AN SITAN INSTRUMENTS Co.,Ltd. |