CN219974482U - Internal butt joint structure suitable for array lateral instrument - Google Patents
Internal butt joint structure suitable for array lateral instrument Download PDFInfo
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- CN219974482U CN219974482U CN202320901778.4U CN202320901778U CN219974482U CN 219974482 U CN219974482 U CN 219974482U CN 202320901778 U CN202320901778 U CN 202320901778U CN 219974482 U CN219974482 U CN 219974482U
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- electronic circuit
- butt joint
- socket
- mandrel
- bearing needle
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- 210000001503 joint Anatomy 0.000 title claims abstract description 57
- 238000003032 molecular docking Methods 0.000 claims description 21
- 238000012423 maintenance Methods 0.000 abstract description 7
- 239000003208 petroleum Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 6
- 238000005755 formation reaction Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 241000234295 Musa Species 0.000 description 2
- 235000018290 Musa x paradisiaca Nutrition 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model discloses an internal butt joint structure suitable for an array lateral instrument, which relates to the field of petroleum exploration and well logging, and comprises an upper electronic circuit, a mandrel and a lower electronic circuit, wherein the mandrel is of a hollow structure, the upper electronic circuit is arranged in an inner hole of the mandrel from one end of the mandrel, and the lower electronic circuit is arranged in the inner hole of the mandrel from the other end of the mandrel; a wiring notch is formed in the outer wall of the mandrel, a bearing needle socket is fixedly arranged at the end part of the upper electronic circuit, bearing needle mounting holes are circumferentially distributed on the end face of the wiring notch, a bearing needle is arranged in the bearing needle mounting holes, the plugging end of the bearing needle is plugged with the bearing needle socket, the wiring terminal is exposed out of the wiring notch, and the bearing needle is electrically connected to the electrode by a lead; the end part of the lower electronic circuit is electrically connected with a multi-core socket, and the multi-core socket is butted with a multi-core plug arranged on the upper electronic circuit after passing through the pressure-bearing pin socket. The utility model designs a novel butt joint mode between the pressure-bearing needle and the upper circuit, which enables the maintenance of the whole instrument to be simpler and more convenient.
Description
Technical Field
The utility model belongs to the technical field of open hole stratum resistivity imaging measuring instruments in petroleum exploration logging, and mainly relates to an internal butt joint structure suitable for an array lateral instrument.
Background
The array lateral technology belongs to one of the main methods of formation resistivity imaging measurement of an open hole well, and the array lateral technology is used for carrying out formation measurement by a main electrode and a series of symmetrically placed focusing electrodes, can simultaneously provide four resistivity curves with different detection depths, completes apparent resistivity measurement from formation invasion zone resistivity to undisturbed formation resistivity with four different detection depths, and is used for researching resistivity changes among formations and completing fine division of formation information.
In the existing array lateral instrument, a pressure-bearing needle is assembled on a mandrel, bonding wires can be respectively arranged at two ends of the pressure-bearing needle, the bonding wires at the upper end of the pressure-bearing needle are led out to an upper electronic circuit, a socket assembly is arranged on the mandrel, the wires led out by the pressure-bearing needle penetrate through the middle of the socket assembly to be led out at the upper end of the socket assembly and are connected to the upper electronic circuit, and the lower end of the socket assembly is in opposite-plug electrical connection with a lower electronic circuit.
However, existing structures suffer from the following drawbacks:
1. because the whole mandrel is long, when the middle socket assembly is assembled, a special tool is needed, and the assembly and the maintenance are inconvenient to detach again;
2. when the upper electronic circuit needs to be maintained, the wires led out by the socket need to be welded off, so that the maintenance is inconvenient.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide an internal butt joint structure suitable for an array lateral instrument, which effectively reduces the assembly difficulty and increases the maintainability of an upper circuit and a lower circuit.
The utility model aims at being completed by the following technical scheme: the internal butt joint structure suitable for the array lateral instrument comprises an upper electronic circuit, a mandrel and a lower electronic circuit, wherein the mandrel is of a hollow structure, the upper electronic circuit is arranged in an inner hole of the mandrel from one end of the mandrel, and the lower electronic circuit is arranged in the inner hole of the mandrel from the other end of the mandrel; an annular wiring notch is formed in the outer wall of the mandrel, a bearing needle socket is fixedly arranged at the end part of one side, close to the wiring notch, of the upper electronic circuit, a plurality of bearing needle mounting holes are uniformly distributed on the end surface, close to one side, of the upper electronic circuit along the circumference, of the wiring notch, a bearing needle is correspondingly arranged in each bearing needle mounting hole, so that the inserting end of the bearing needle is inserted into the bearing needle socket, the wiring end of the bearing needle is exposed out of the wiring notch, and the bearing needle is electrically connected to an electrode of an array side instrument by a wire; the end part of the lower electronic circuit is electrically connected with a multi-core socket, and the multi-core socket passes through the pressure-bearing pin socket and then is in butt joint with a multi-core plug arranged on the upper electronic circuit, so that the upper electronic circuit and the lower electronic circuit are electrically connected.
As a further technical scheme, the end part of the upper electronic circuit is sleeved with an upper butt joint shell through a spring in a sliding manner, the end part of the upper butt joint shell is provided with a butt joint hole, and the multi-core plug is fixed in the butt joint hole; the end part of the lower electronic circuit is sleeved with a lower butt joint shell in a sliding way through a spring, and the multi-core socket is fixed at the end part of the lower butt joint shell and used for extending into a butt joint hole to be in butt joint with the multi-core plug; during butt joint, the spring applies axial pressure to the upper butt joint shell and the lower butt joint shell.
As a further technical scheme, the pressure-bearing needle socket is fixed at the end part of the upper butt joint shell through screws, a through hole communicated with the butt joint hole is formed in the pressure-bearing needle socket and is used for the multi-core socket and the lower butt joint shell to penetrate through, a wire is arranged at the tail part of the pressure-bearing needle socket, and the wire penetrates through the upper butt joint shell and is electrically connected with an upper electronic circuit.
As a further technical scheme, one end of the upper electronic circuit far away from the lower electronic circuit is provided with a key, and a key slot is formed in the position, corresponding to the key, of the upper connector of the array lateral instrument, so that the upper electronic circuit is positioned on the key slot through the key, and anti-rotation is realized.
As a further technical scheme, the multi-core plug is provided with a positioning pin which is used for being matched and inserted into a positioning pin hole formed in the multi-core socket, so that positioning when the multi-core plug is in butt joint with the multi-core socket is realized.
As a further technical scheme, the pressure-bearing needles are fixed with the pressure-bearing needle mounting holes through threaded connection, and the total number of the pressure-bearing needles is twenty.
The beneficial effects of the utility model are as follows:
1. the pressure-bearing needle is assembled on the mandrel through threaded connection, and the assembly and the disassembly are carried out without a special tool, so that the subsequent maintenance is facilitated;
2. when the upper electronic circuit needs maintenance, the pressure-bearing needle is directly disassembled, and a lead led out by a socket is not required to be welded;
3. springs are sleeved outside the upper electronic circuit and the lower electronic circuit, and when in butt joint, the springs apply axial pressure to the upper butt joint shell and the lower butt joint shell, so that the axial butt joint reliability is ensured;
4. the multi-core plug is provided with a positioning pin which is matched with a positioning pin hole on the multi-core socket, and the positioning pin is used for positioning during assembly to prevent dislocation of the plug and the socket.
Drawings
FIG. 1 is a schematic diagram of the assembled structure of the present utility model and an array side instrument.
Fig. 2 is a schematic diagram of an assembly structure of an upper electronic circuit and an upper docking housing according to the present utility model.
Fig. 3 is a schematic diagram of an assembly structure of the pressure pin receptacle and the upper docking housing.
Fig. 4 is a schematic structural diagram of a multi-core plug according to the present utility model.
Fig. 5 is a schematic diagram of an assembly structure of a lower electronic circuit and a lower docking housing according to the present utility model.
Fig. 6 is a schematic structural diagram of a mandrel according to the present utility model.
Fig. 7 is a schematic diagram of an assembly structure of a pressure-bearing needle and a mandrel in the present utility model.
Fig. 8 is a schematic diagram of the assembly structure of the upper electronic circuit and the upper connector of the array side instrument in the present utility model.
Reference numerals illustrate: the upper electronic circuit 1, the upper docking housing 11, the docking hole 12, the spring 13, the key 14, the key groove 15, the multi-core plug 2, the positioning pin 21, the multi-core socket 3, the positioning pin hole 31, the pressure-bearing pin socket 4, the screw 41, the through hole 42, the pressure-bearing pin 5, the plugging end 51, the wiring terminal 52, the mandrel 6, the pressure-bearing pin mounting hole 61, the wiring notch 62, the lower electronic circuit 7, the lower docking housing 71, the lead 8, the electrode 9 and the upper connector 10.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present utility model, preferred embodiments of the present utility model will be described below with reference to the accompanying drawings and specific examples, but it should be understood that the accompanying drawings are only illustrative and should not be construed as limiting the present utility model; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationship described in the drawings are for illustrative purposes only and are not to be construed as limiting the utility model.
Examples: as shown in fig. 1 to 7, the internal docking structure suitable for the array side instrument comprises an upper electronic circuit 1, an upper docking shell 11, a docking hole 12, a spring 13, a multi-core plug 2, a positioning pin 21, a multi-core socket 3, a positioning pin hole 31, a pressure-bearing pin socket 4, a screw 41, a through hole 42, a pressure-bearing pin 5, a plugging end 51, a wiring terminal 52, a mandrel 6, a pressure-bearing pin mounting hole 61, a wiring notch 62, a lower electronic circuit 7, a lower docking shell 71, a lead 8 and an electrode 9.
Referring to fig. 1, a mandrel 6 adopts a hollow structure, an upper electronic circuit 1 is placed into an inner hole of the mandrel 6 from the left end of the mandrel 6, and a lower electronic circuit 7 is placed into the inner hole of the mandrel 6 from the right end of the mandrel 6. As shown in fig. 1 and 6, an annular wiring notch 62 is formed on the outer wall of the mandrel 6, an upper butt-joint housing 11 (as shown in fig. 2 and 3) is sleeved on the right end part of the upper electronic circuit 1 in a sliding manner through a spring 13, a butt-joint hole 12 is formed on the end part of the upper butt-joint housing 11, the multi-core plug 2 is fixed in the butt-joint hole 12, and various core wires in the upper electronic circuit 1 are respectively electrically connected with the multi-core plug 2. The pressure-bearing needle socket 4 is fixed at the end part of the upper butt joint shell 11 through a screw 41, and a through hole 42 communicated with the butt joint hole 12 is formed in the pressure-bearing needle socket 4.
As shown in fig. 5, the left end of the lower electronic circuit 7 is slidably sleeved with a lower docking shell 71 through a spring 13, the multicore socket 3 is fixed at the end of the lower docking shell 71, various cores in the lower electronic circuit 7 are respectively electrically connected with the multicore socket 3, when in docking, the multicore socket 3 and the lower docking shell 71 penetrate into the docking hole 12, the multicore socket 3 is correspondingly inserted and matched with the multicore plug 2, and the electrical connection between the upper electronic circuit 1 and the lower electronic circuit 7 is completed. At the same time, the spring 13 applies axial pressure to the upper butt joint housing 11 and the lower butt joint housing 71, so that the axial butt joint reliability is ensured.
Referring to fig. 6 and 7, twenty bearing pin mounting holes 61 are uniformly distributed on the left end face (i.e., the side close to the upper electronic circuit 1) of the wiring notch 62 along the circumference, one bearing pin 5 is correspondingly arranged in each bearing pin mounting hole 61 (preferably, the bearing pin 5 and the bearing pin mounting holes 61 realize detachable installation through threaded connection, twenty bearing pins 5 are total), as shown in fig. 1, the plugging end 51 (left end) of the bearing pin 5 is plugged into the bearing pin socket 4, preferably, the plugging end 51 adopts a banana plug, so that the contact area between the banana plug and the socket can be increased, and the plugging reliability is ensured. While the terminal 52 (right end) of the pressure-bearing pin 5 is exposed to the trace notch 62 and electrically connected to the electrode 9 of the array side instrument with the lead wire 8. Further, the tail of the pressure-bearing needle socket 4 is electrically connected with a wire 8, and the wire 8 penetrates through the upper butt joint shell 11 and is electrically connected with the upper electronic circuit 1, so that downhole data measured by the electrodes 9 of the array side instrument can be transmitted to the outside through the upper electronic circuit 1.
Preferably, as shown in fig. 4 and 5, two positioning pins 21 are provided on the multi-core plug 2, the length of each positioning pin 21 is greater than that of each plug on the multi-core plug 2, and positioning pin holes 31 are provided on the multi-core socket 3 at positions corresponding to the positioning pins 21, and when in butt joint, the positioning pins 21 are inserted into the positioning pin holes 31 to perform positioning, so that the dislocation of the plugs and the sockets is prevented.
Preferably, referring to fig. 8, a key 14 is provided at the front end of the upper electronic circuit 1 (i.e. the end far away from the lower electronic circuit 7), a key slot 15 is provided on the upper connector 10 of the array side instrument at a position corresponding to the key 14, and when the upper electronic circuit 1 is installed into the upper connector 10, the key 14 is positioned on the key slot 15, so that the upper electronic circuit 1 cannot deflect circumferentially in the subsequent plugging process, and is smoothly plugged into the pressure bearing needle 5.
The working process of the utility model comprises the following steps: during assembly, twenty pressure-bearing needles 5 are correspondingly assembled into the pressure-bearing needle mounting holes 61 through threaded connection, and then the upper electronic circuit 1 is inserted into the inner hole of the mandrel 6 from the left end, so that the insertion ends 51 of the pressure-bearing needles 5 are correspondingly inserted into the pressure-bearing needle sockets 4. Then the lower electronic circuit 7 is inserted into the inner hole of the mandrel 6 from the right end, so that the multi-core socket 3 and the lower butt-joint shell 71 penetrate into the butt-joint hole 12, the multi-core socket 3 and the multi-core plug 2 are in one-to-one correspondence to complete the insertion and the electrical connection of the upper electronic circuit 1 and the lower electronic circuit 7 is realized. Then, the leads 8 are soldered to the terminals 52 of the respective pressure-bearing pins 5, and the leads 8 are electrically connected to the corresponding electrodes 9 of the array-side instrument. Since the bending of the wire 8 may exert a force on the pressure-bearing pin to affect its sealing and butt joint, in actual assembly, the effect is reduced by adopting the binding wire to reduce the bending of the wire 8. During the assembly process, the spring 13 applies axial pressure to the upper butt joint housing 11 and the lower butt joint housing 71, so that the axial butt joint reliability is ensured. When maintenance is needed, the reverse operation is carried out according to the steps.
In the utility model, the pressure-bearing needle is assembled on the mandrel through the self-contained threads, and one end of the pressure-bearing needle is provided with the welding cup, so that the welding wire can be directly welded. The other end is a plug which can be inserted with a bearing pin socket at the lower end of the upper circuit. The bearing pin socket is assembled at the lower end of the upper circuit and can be in butt joint with the bearing pin after the upper circuit is inserted. The plug is assembled in the lower end of the upper circuit. The socket of the lower circuit is assembled at the upper end and can be inserted into the slender neck in the middle of the mandrel to be inserted with the plug of the upper circuit. Thus, the upper circuit and the lower circuit are inserted and installed, and the upper circuit and the pressure bearing pin are inserted. The utility model simplifies the internal structure and makes the maintenance of the whole instrument simpler.
It should be understood that equivalents and modifications to the technical scheme and the inventive concept of the present utility model should fall within the scope of the claims appended hereto.
Claims (6)
1. An internal docking structure for an array lateral instrument, characterized by: the device comprises an upper electronic circuit (1), a mandrel (6) and a lower electronic circuit (7), wherein the mandrel (6) is of a hollow structure, the upper electronic circuit (1) is placed into an inner hole of the mandrel (6) from one end of the mandrel (6), and the lower electronic circuit (7) is placed into the inner hole of the mandrel (6) from the other end of the mandrel (6); an annular wiring gap (62) is formed in the outer wall of the mandrel (6), a bearing needle socket (4) is fixedly arranged at the end part of the upper electronic circuit (1) close to one side of the wiring gap (62), a plurality of bearing needle mounting holes (61) are uniformly distributed on the end surface of the wiring gap (62) close to one side of the upper electronic circuit (1) along the circumference, a bearing needle (5) is correspondingly arranged in each bearing needle mounting hole (61), the plugging end (51) of the bearing needle (5) is plugged with the bearing needle socket (4), and the wiring end (52) of the bearing needle (5) is exposed out of the wiring gap (62) and is electrically connected to an electrode (9) of an array lateral instrument through a wire (8); the end part of the lower electronic circuit (7) is electrically connected with a multi-core socket (3), and the multi-core socket (3) passes through the pressure-bearing pin socket (4) and then is in butt joint with a multi-core plug (2) arranged on the upper electronic circuit (1), so that the upper electronic circuit (1) and the lower electronic circuit (7) are electrically connected.
2. The internal docking structure for an array side instrument of claim 1, wherein: an upper butt joint shell (11) is sleeved at the end part of the upper electronic circuit (1) in a sliding way through a spring (13), a butt joint hole (12) is formed at the end part of the upper butt joint shell (11), and the multi-core plug (2) is fixed in the butt joint hole (12); the end part of the lower electronic circuit (7) is sleeved with a lower butt joint shell (71) in a sliding way through a spring (13), and the multi-core socket (3) is fixed at the end part of the lower butt joint shell (71) and used for extending into a butt joint hole (12) to butt joint with the multi-core plug (2); during butt joint, the spring (13) applies axial pressure to the upper butt joint shell (11) and the lower butt joint shell (71).
3. The internal docking structure for an array side instrument of claim 2, wherein: the pressure-bearing needle socket (4) is fixed at the end part of the upper butt joint shell (11) through a screw (41), a through hole (42) communicated with the butt joint hole (12) is formed in the pressure-bearing needle socket (4) and is used for the multi-core socket (3) and the lower butt joint shell (71) to penetrate through, a wire (8) is arranged at the tail part of the pressure-bearing needle socket (4), and the wire (8) penetrates through the upper butt joint shell (11) and is electrically connected with the upper electronic circuit (1).
4. An internal docking structure for an array side instrument according to claim 3, wherein: one end of the upper electronic circuit (1) far away from the lower electronic circuit (7) is provided with a key (14), and a key groove (15) is formed in the position, corresponding to the key (14), of the upper joint (10) of the array side instrument, so that the upper electronic circuit (1) is positioned on the key groove (15) through the key (14) to realize anti-rotation.
5. The internal docking structure for an array side instrument of claim 4, wherein: the multi-core plug (2) is provided with a positioning pin (21) which is used for being matched and inserted into a positioning pin hole (31) formed in the multi-core socket (3) to realize positioning when the multi-core plug (2) is in butt joint with the multi-core socket (3).
6. The internal docking structure for an array side instrument of claim 5, wherein: the pressure-bearing needles (5) are fixedly connected with the pressure-bearing needle mounting holes (61) through threads, and twenty pressure-bearing needles (5) are provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320901778.4U CN219974482U (en) | 2023-04-11 | 2023-04-11 | Internal butt joint structure suitable for array lateral instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320901778.4U CN219974482U (en) | 2023-04-11 | 2023-04-11 | Internal butt joint structure suitable for array lateral instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219974482U true CN219974482U (en) | 2023-11-07 |
Family
ID=88596780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320901778.4U Active CN219974482U (en) | 2023-04-11 | 2023-04-11 | Internal butt joint structure suitable for array lateral instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219974482U (en) |
-
2023
- 2023-04-11 CN CN202320901778.4U patent/CN219974482U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Internal docking structure suitable for array lateral instruments Granted publication date: 20231107 Pledgee: Hangzhou Shangsi Sub branch of Agricultural Bank of China Co.,Ltd. Pledgor: HANGZHOU RUILI ACOUSTIC TECHNOLOGY CO.,LTD. Registration number: Y2024330000343 |