CN215408599U - Downhole emitter electrode - Google Patents
Downhole emitter electrode Download PDFInfo
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- CN215408599U CN215408599U CN202022463588.8U CN202022463588U CN215408599U CN 215408599 U CN215408599 U CN 215408599U CN 202022463588 U CN202022463588 U CN 202022463588U CN 215408599 U CN215408599 U CN 215408599U
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Abstract
The utility model provides a downhole transmitting electrode, comprising: the bridle module comprises a bridle, a connecting sleeve and a plug which are sequentially connected, wherein the middle of the plug penetrates through a connecting rod, and the connecting rod is insulated from the plug; in the beryllium copper electrode module, an upper joint is screwed and connected with a plug; one end of the upper joint, which is far away from the plug, is sleeved with a first insulating sleeve, the outer side of the first insulating sleeve is sleeved with a first steel sleeve, and the tail part of one end of the upper joint, which is far away from the plug, is screwed tightly to be connected with a second steel sleeve and is tightly abutted to the first insulating sleeve; one end of the beryllium copper electrode is in screwed connection with the first steel sleeve, and the other end of the beryllium copper electrode is in screwed connection with the fourth steel sleeve; one end of the lower headrest close to the beryllium copper electrode is sleeved with a second insulating sleeve, the outer side of the second insulating sleeve is sleeved with a fourth steel sleeve, and the top of one end of the lower headrest close to the beryllium copper electrode is tightly screwed with a third steel sleeve and is tightly abutted against the second insulating sleeve; the counterweight module comprises a counterweight, and the counterweight is screwed with the lower joint. The utility model has the advantages of simple structure, good insulation, convenient assembly and high repeated utilization rate.
Description
Technical Field
The utility model relates to the technical field of petroleum and natural gas well-earth electromagnetic prospecting, in particular to an underground excitation electrode.
Background
The transmitting copper electrode for well-earth electromagnetic prospecting has the structure that a hollow insulating PVC plastic pipe penetrates through the inside of the transmitting copper electrode, an armored cable penetrates through the PVC plastic pipe and the copper electrode, an armored steel wire is locked by a cone locking head, a copper core of the cable is bent upwards and connected with the copper electrode, and the copper electrode is positioned above the cone locking head. Wherein, PVC material is adopted for insulation between the copper electrode and the bridle, the armored cable, the vertebral body locking head and the well wall. In the structure, the insulation of the transmitting copper electrode, a well wall, an armored cable, a bridle, a vertebral body locking head and a counterweight is not perfect, so that safety risk can be caused; the copper electrode is complex to assemble and complex to connect with an armored cable, so that the construction efficiency is low; the copper electrode has more fittings, can not be durable and has low reuse rate.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides an underground transmitting electrode which has the advantages of simple structure, good insulativity, convenience in assembly and high repeated utilization rate, and the underground transmitting electrode comprises: a bridle module, a beryllium copper electrode module and a counterweight module which are connected in sequence by screw threads, wherein,
the bridle module comprises a bridle, a connecting sleeve and a plug which are sequentially connected, wherein the middle of the plug penetrates through a connecting rod, and the connecting rod is insulated from the plug;
the beryllium copper electrode module comprises an upper connector, a first insulating sleeve, a first steel sleeve, a second steel sleeve, a beryllium copper electrode, a third steel sleeve, a fourth steel sleeve, a second insulating sleeve and a lower connector, wherein the upper connector is screwed with the plug; one end of the upper joint, which is far away from the plug, is sleeved with a first insulating sleeve, the outer side of the first insulating sleeve is sleeved with a first steel sleeve, and the tail part of one end of the upper joint, which is far away from the plug, is screwed tightly to be connected with a second steel sleeve and is tightly abutted to the first insulating sleeve; one end of the beryllium copper electrode is in screwed connection with the first steel sleeve, and the other end of the beryllium copper electrode is in screwed connection with the fourth steel sleeve; one end of the lower headrest close to the beryllium copper electrode is sleeved with a second insulating sleeve, the outer side of the second insulating sleeve is sleeved with a fourth steel sleeve, and the top of one end of the lower headrest close to the beryllium copper electrode is tightly screwed with a third steel sleeve and is tightly abutted against the second insulating sleeve;
the counterweight module comprises a counterweight, and the counterweight is screwed with the lower joint.
In the embodiment of the utility model, the underground transmitting electrode comprises a bridle module, a beryllium copper electrode module and a counterweight module which are sequentially connected through threads, and the underground transmitting electrode has a simple structure and can be rapidly assembled; the whole structure comprises two insulating sleeves, and the connecting rod is insulated from the plug, so that the high-temperature-resistant and good-insulation effect is achieved, and the safety risk is reduced; finally, the components are combined into three parts, and the parts are in threaded connection, so that the repeated utilization rate is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts. In the drawings:
FIG. 1 is a schematic illustration of a downhole emitter electrode in an embodiment of the utility model;
FIG. 2 is a schematic representation of one specification of a downhole transmitting electrode in an embodiment of the utility model;
FIG. 3 is a flow chart of a first assembly of a downhole transmitting electrode in an embodiment of the utility model.
Description of reference numerals:
1-halter;
2-connecting sleeves;
3-a plug;
4-upper joint;
5-a first insulating sleeve;
6-a first steel jacket;
7-a second steel jacket;
8-beryllium copper electrodes;
9-a third steel jacket;
10-a fourth steel jacket;
11-a second insulating sleeve;
12-lower joint;
13-a counterweight;
14-an armored cable;
15-cable copper core;
16-a screw;
17-threading holes;
18-a connecting rod;
19-a first insulating sleeve;
20-sealing cover;
21-an injection hole;
22-contact connection cable
23-a second insulating sleeve;
24-a spring;
25-a contact;
26-righting sleeve.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention are further described in detail below with reference to the accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.
In the description of the present specification, the terms "comprising," "including," "having," "containing," and the like are used in an open-ended fashion, i.e., to mean including, but not limited to. Reference to the description of the terms "one embodiment," "a particular embodiment," "some embodiments," "for example," etc., means that a particular feature, structure, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. The sequence of steps involved in the embodiments is for illustrative purposes to illustrate the implementation of the present application, and the sequence of steps is not limited and can be adjusted as needed.
Fig. 1 is a schematic view of a downhole transmitting electrode according to an embodiment of the present invention, as shown in fig. 1, the downhole transmitting electrode includes:
a bridle module, a beryllium copper electrode module and a counterweight module which are connected in sequence by screw threads, wherein,
the bridle module comprises a bridle 1, a connecting sleeve 2 and a plug 3 which are sequentially connected, the middle of the plug 3 penetrates through a connecting rod 18, and the connecting rod 18 is insulated from the plug 3;
the beryllium copper electrode module comprises an upper joint 4, a first insulating sleeve 5, a first steel sleeve 6, a second steel sleeve 7, a beryllium copper electrode 8, a third steel sleeve 9, a fourth steel sleeve 10, a second insulating sleeve 11 and a lower joint 12, wherein the upper joint 4 is screwed and connected with the plug 3; one end of the upper joint 4, which is far away from the plug 3, is sleeved with a first insulating sleeve 5, the outer side of the first insulating sleeve 5 is sleeved with a first steel sleeve 6, and the tail part of one end of the upper joint 4, which is far away from the plug 3, is screwed tightly to be connected with a second steel sleeve 7 and is tightly abutted to the first insulating sleeve 5; one end of the beryllium copper electrode 8 is screwed with the first steel sleeve 6, and the other end of the beryllium copper electrode is screwed with the fourth steel sleeve 10; one end of the lower joint 12 close to the beryllium copper electrode 8 is sleeved with a second insulating sleeve 11, the outer side of the second insulating sleeve 11 is sleeved with a fourth steel sleeve 10, and the top of one end of the lower joint 12 close to the beryllium copper electrode 8 is tightly screwed and connected with a third steel sleeve 9 and tightly propped against the second insulating sleeve 11;
the counterweight module comprises a counterweight 13, and the counterweight 13 is screwed with the lower joint 12.
In the embodiment of the utility model, the underground transmitting electrode comprises a bridle module, a beryllium copper electrode module and a counterweight module which are sequentially connected through threads, and the underground transmitting electrode has a simple structure and can be rapidly assembled; the whole structure comprises two insulating sleeves, and the connecting rod is insulated from the plug, so that the high-temperature-resistant and good-insulation effect is achieved, and the safety risk is reduced; finally, the components are combined into three parts, and the parts are in threaded connection, so that the repeated utilization rate is high.
In one embodiment, a vertebral body locking head is arranged at one end of the interior of the bridle 1 close to the connecting sleeve 2, and an internal thread is arranged at the other end.
And one end of the connecting sleeve 2 close to the bridle 1 is provided with an external thread, and the other end is provided with an internal thread. Both ends of the plug 3 are provided with external threads. The tie bar 18 may be made of copper, said tie bar 18 being insulated from the plug 3.
In one embodiment, the connecting rod 18 is insulated from the plug 3 by a first insulating sleeve 19. The first insulating sleeve 19 can be made of a peek material, so that the insulating property is good and the safety is high.
In one embodiment, a second insulating sleeve 23 penetrates through the inside of the upper joint 4, two ends of the second insulating sleeve 23 are sealed and embedded with sealing covers 20 of the contacts 25, and a spring 24 is arranged inside the second insulating sleeve 23;
two ends of the spring 24 are abutted against the outer edge of the insulating cap sleeved inside the contact 25;
the cable copper core 15 passes through the threading holes 17 in the two contacts 25, and the screws 16 in the two contacts 25 are tightly abutted with the cable copper core 15 in the threading holes 17.
In the above embodiment, the upper connector 4 is screwed to the plug 3, one end close to the plug 3 is provided with an internal thread, the other end is provided with an external thread, the second insulating sleeve 23 is made of peek material, the two contacts 25 can be made of copper, the first steel sleeve 6 is provided with an external thread, the second steel sleeve 7 is provided with an internal thread, both ends of the beryllium copper electrode 8 are provided with internal threads, the third steel sleeve 9 is provided with an external thread, both ends of the lower connector 12 are provided with external threads, the fourth steel sleeve 10 is provided with an external thread, and one end of the counterweight 13 connected to the lower connector 12 is provided with an internal thread. The thread design is convenient for the sleeve joint of all the parts. The spring 24 may enhance interface strength.
In one embodiment, the beryllium copper electrode 8 is sleeved with a centering sleeve 26 at both ends, so that the beryllium copper electrode 8 can be insulated from the well wall.
In one embodiment, the armored cable 14 passes through the bridle 1, and the cone locking head of the bridle 1 locks the armored cable 14, that is, the armored cable 14 passes through the cone locking head;
the armored cable 14 passes through the connecting sleeve 2, and a cable copper core 15 with a set length is stripped out of the connecting sleeve 2.
The end of the threading hole 17 of the connecting rod 18 is connected with the connecting sleeve 2.
In the above embodiment, the set length may be about 1cm, and the end of the threading hole 17 of the connecting rod 18 is connected to the connecting sleeve 2, so that the cable copper core 15 of the armored cable 14 can pass through the threading hole 17, and the screw at the top end of the connecting rod 18 is screwed down, so that the cable copper core 15 can be abutted, and the connection is firm.
In one embodiment, the connecting sleeve 2 has two injection holes 21 on its side for injecting the silicone grease, and after the injection is completed, the injection holes 21 need to be closed.
In one embodiment, the side connection of the connecting sleeve 2 is provided with a plug pin for preventing the screw connection from loosening.
In one embodiment, the joint between the side ends of the upper joint 4 and the lower joint 12 is provided with a latch for preventing the screw connection from loosening.
In one embodiment, the outer sides of the upper joint 4 and the lower joint 12 are wound with insulating tapes, so that the beryllium copper electrode surface has a certain insulating distance with the horse head 1 and the counterweight 13.
In an embodiment, the bridle 1, the connecting sleeve 2, the upper joint 4, the first steel sleeve 6, the second steel sleeve 7, the lower joint 12, the third steel sleeve 9 and the fourth steel sleeve 10 are made of stainless steel;
the plug 3 is made of beryllium copper;
the first insulating sleeve 5 and the second insulating sleeve 11 are made of peek materials.
In the above embodiment, the first insulating sleeve 5 and the second insulating sleeve 11 made of peek material can achieve better insulating effect.
FIG. 2 is a schematic representation of one specification of a downhole transmitting electrode in an embodiment of the utility model. The specific dimensions are as follows:
the bridle 1 and the connecting rod 18 are 385mm long and 35mm in diameter;
the length of the upper joint 4 is 400mm, and the diameter phi of the upper joint is 35 mm;
the first steel sleeve 6 is 50mm long and 25mm in diameter;
the first insulating sleeve 5 is 55mm long;
the length of the second steel sleeve is 30mm, and the diameter phi of the second steel sleeve is 20 mm;
the beryllium copper electrode 8 is 1000mm long and 35mm in diameter;
the length of the third steel sleeve is 30mm, and the diameter phi of the third steel sleeve is 20 mm;
the length of the second insulating sleeve 11 is 55 mm;
the length of the lower joint 12 is 200mm, and the diameter phi is 35 mm;
the fourth steel sleeve is 50mm long and 25mm in diameter.
Of course, it is understood that the downhole transmitting electrode may have other specifications, and all such modifications are intended to fall within the scope of the present invention.
The underground transmitting electrode is mainly hung, and the bearing armored steel wire can be arranged in the headstall 1 at the top end of the underground transmitting electrode, so that the design of a circuit is facilitated. The upper contact 4 is connected in contact with the circuit portion of the plug 3.
The underground transmitting electrode is assembled for the first time to assemble all the components together, and is disassembled into the headstall module, the beryllium copper electrode module and the counterweight module when being disassembled, so that when the underground transmitting electrode is used again, only the components are assembled together, and the underground transmitting electrode can be used repeatedly, and is convenient and fast.
FIG. 3 is a flow chart of the first assembly of the downhole transmitting electrode in the embodiment of the utility model, as shown in FIG. 3, including:
303, connecting the end of the threading hole 17 of the connecting rod 18 with the connecting sleeve 2, enabling the cable copper core 15 of the armored cable 14 to penetrate through the threading hole 17, screwing down a screw at the top end of the connecting rod 18, and abutting against the cable copper core 15, so that connection is firm;
305, inserting a plug pin at the connecting position of the side surface of the connecting sleeve 2 to prevent the threaded connection from loosening;
307, sleeving a first insulating sleeve 5 at one end of the upper joint 4 far away from the plug 3;
308, sleeving a first steel sleeve 6 on the outer side of the first insulating sleeve 5;
311, sleeving a second insulating sleeve 11 at one end of the lower connector 12 close to the beryllium copper electrode 8;
313, screwing the top of one end, close to the beryllium copper electrode 8, of the lower connector 12 to connect with a third steel sleeve 9 and tightly abut against the second insulating sleeve 11;
315, screwing the upper joint 4 and the plug 3;
and step 319, sleeving the two ends of the beryllium copper electrode 8 with the centering sleeves 26, and finishing installation.
In conclusion, in the underground transmitting electrode provided by the utility model, the underground transmitting electrode comprises the bridle module, the beryllium copper electrode module and the counterweight module which are sequentially connected through the threads, the structure is simple, and the underground transmitting electrode can be rapidly assembled; the whole structure comprises two insulating sleeves, and the connecting rod is insulated from the plug, so that the high-temperature-resistant and good-insulation effect is achieved, and the safety risk is reduced; finally, the components are combined into three parts, and the parts are in threaded connection, so that the repeated utilization rate is high.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (11)
1. A downhole transmitting electrode, comprising: a bridle module, a beryllium copper electrode module and a counterweight module which are connected in sequence by screw threads, wherein,
the bridle module comprises a bridle (1), a connecting sleeve (2) and a plug (3) which are sequentially connected, the middle of the plug (3) penetrates through a connecting rod (18), and the connecting rod (18) is insulated from the plug (3);
the beryllium copper electrode module comprises an upper joint (4), a first insulating sleeve (5), a first steel sleeve (6), a second steel sleeve (7), a beryllium copper electrode (8), a third steel sleeve (9), a fourth steel sleeve (10), a second insulating sleeve (11) and a lower joint (12), wherein the upper joint (4) is screwed with the plug (3); one end of the upper joint (4) far away from the plug (3) is sleeved with a first insulating sleeve (5), the outer side of the first insulating sleeve (5) is sleeved with a first steel sleeve (6), and the tail part of one end of the upper joint (4) far away from the plug (3) is screwed and connected with a second steel sleeve (7) and tightly abutted to the first insulating sleeve (5); one end of the beryllium copper electrode (8) is screwed with the first steel sleeve (6), and the other end is screwed with the fourth steel sleeve (10); one end of the lower joint (12) close to the beryllium copper electrode (8) is sleeved with a second insulating sleeve (11), the outer side of the second insulating sleeve (11) is sleeved with a fourth steel sleeve (10), and the top of one end of the lower joint (12) close to the beryllium copper electrode (8) is screwed and connected with a third steel sleeve (9) and tightly abutted against the second insulating sleeve (11);
the counterweight module comprises a counterweight (13), and the counterweight (13) is screwed and connected with the lower joint (12).
2. The downhole emitter electrode according to claim 1, wherein a cone locking head is mounted at the end of the interior of the bridle (1) near the connection sleeve (2).
3. Downhole emitter electrode according to claim 1, wherein the connection rod (18) is insulated from the plug (3) by a first insulating sleeve (19).
4. A downhole transmitter electrode according to claim 1, wherein the beryllium copper electrode (8) is provided with centering sleeves (26) at both ends.
5. The downhole emitter electrode according to claim 1, wherein the upper contact (4) is internally threaded with a second insulating sleeve (23), the second insulating sleeve (23) is provided at both ends with sealing caps (20) embedded with contacts (25), and the second insulating sleeve (23) is internally provided with a spring (24);
two ends of the spring (24) are propped against the outer edge of the insulating cap sleeved in the contact (25);
the cable copper core (15) passes through the threading holes (17) in the two contacts (25), and the screws (16) in the two contacts (25) are tightly propped against the cable copper core (15) in the threading holes (17).
6. The downhole transmitting electrode of claim 1, wherein the armored cable (14) passes through the bridle (1), and the cone locking head of the bridle (1) locks the armored cable (14);
the armored cable (14) penetrates through the connecting sleeve (2), and a cable copper core (15) with a set length is stripped out of the connecting sleeve (2);
the end of the threading hole (17) of the connecting rod (18) is connected with the connecting sleeve (2).
7. A downhole emitter electrode according to claim 1, characterised in that the adapter sleeve (2) is provided with two injection holes (21) in its side.
8. A downhole emitter electrode according to claim 1, characterised in that the side connections of the connection sleeve (2) are provided with pins.
9. The downhole emitter electrode according to claim 1, wherein the joint between the upper contact (4) and the lower contact (12) at the lateral ends is provided with a pin.
10. Downhole transmitting electrode according to claim 1, characterized in that the upper joint (4) and the lower joint (12) are wound with insulating tape on their outer sides.
11. The downhole transmitter electrode as claimed in claim 1, wherein the bridle (1), the connection sleeve (2), the upper joint (4), the first steel sleeve (6), the second steel sleeve (7), the lower joint (12), the third steel sleeve (9) and the fourth steel sleeve (10) are stainless steel;
the plug (3) is made of beryllium copper;
the first insulating sleeve (5) and the second insulating sleeve (11) are made of peek materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022463588.8U CN215408599U (en) | 2020-10-30 | 2020-10-30 | Downhole emitter electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022463588.8U CN215408599U (en) | 2020-10-30 | 2020-10-30 | Downhole emitter electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215408599U true CN215408599U (en) | 2022-01-04 |
Family
ID=79636526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022463588.8U Active CN215408599U (en) | 2020-10-30 | 2020-10-30 | Downhole emitter electrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215408599U (en) |
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2020
- 2020-10-30 CN CN202022463588.8U patent/CN215408599U/en active Active
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