CN117374873A - High-strength tensile oil well heating cable - Google Patents
High-strength tensile oil well heating cable Download PDFInfo
- Publication number
- CN117374873A CN117374873A CN202311344669.8A CN202311344669A CN117374873A CN 117374873 A CN117374873 A CN 117374873A CN 202311344669 A CN202311344669 A CN 202311344669A CN 117374873 A CN117374873 A CN 117374873A
- Authority
- CN
- China
- Prior art keywords
- butt joint
- oil well
- cable
- joint
- ring
- 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
- 238000010438 heat treatment Methods 0.000 title claims abstract description 36
- 239000003129 oil well Substances 0.000 title claims abstract description 26
- 210000001503 joint Anatomy 0.000 claims abstract description 73
- 230000006835 compression Effects 0.000 claims description 22
- 238000007906 compression Methods 0.000 claims description 22
- 238000003032 molecular docking Methods 0.000 claims description 17
- 230000000694 effects Effects 0.000 claims description 3
- 230000000712 assembly Effects 0.000 abstract description 7
- 238000000429 assembly Methods 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 230000002265 prevention Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 8
- 239000000306 component Substances 0.000 description 7
- 239000007787 solid Substances 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 239000010779 crude oil Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/10—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes
Landscapes
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses a high-strength tensile oil well heating cable, which relates to the technical field of oil well heating cable traction prevention and comprises a cable body and a butt joint box, wherein side joint blocks are fixedly connected to the front side surface and the rear side surface of the butt joint box, holes are formed in the side surfaces of the side joint blocks, a cable body with a connector is movably sleeved in a cylindrical cavity of the butt joint box, and auxiliary tensile assemblies are arranged on the side surfaces of the two butt joint boxes. The main structure of the invention comprises two groups of butt joint boxes, one ends of the two groups of butt joint boxes are provided with mounting rings, the outer walls of the mounting rings are provided with main tensile assemblies, the main tensile assemblies can clamp the outer walls of cables at two ends of a cable joint, and the problems that when the lengths of heating cables of oil wells at two ends connected by the cable joint are overlong, the cable joint is lack of a high-strength anti-traction structure, the cable joint bears huge tensile force in the depth of the oil well, if the joint does not have enough high-strength anti-traction structure to support the force, the joint can be broken or damaged, and the power transmission is interrupted and the heating function is lost can be thoroughly solved.
Description
Technical Field
The invention relates to the technical field of oil well heating cable traction prevention, in particular to a high-strength tensile oil well heating cable.
Background
The heating cable for oil well is one special cable system for solving the problems of low temperature environment and crude oil consistency in petroleum exploitation. The main function is to provide power and heating functions inside deep wells to maintain crude oil mobility, these cables are typically made of materials with high temperature and corrosion resistance, while having high strength tensile properties to cope with extreme well environmental conditions, and it is often necessary to connect with other cable sections in the deep well to transfer electrical power to heating elements and to achieve power supply. Cable joints are critical components connecting different parts of the cable, which ensure the continuity and reliability of the power transmission. Because of the harsh environment of an oil well, cable joints need to have high temperature resistance, corrosion resistance, high strength, etc. to address challenges in extreme conditions. Thus, the reliability of cable joints is critical to maintaining continuity of well production, and their failure or damage can lead to interruption of well production, resulting in serious economic loss.
The design of the heating cable joint of the oil well in the prior art is a key link related to oil exploitation. However, when the length of the well heating cable is too long at the ends where the cable joints are connected, the lack of a high strength anti-pulling structure can cause a series of problems. First, the cable joints are subjected to tremendous tensile forces deep in the well. If the joints do not have a sufficiently high strength traction resistant structure to support such forces, they may break or become damaged, resulting in interruption of power transmission and loss of heating function. This will have a serious impact on the well operation, leading to reduced production and increased production costs.
Disclosure of Invention
The invention aims to solve the problem that the design of an oil well heating cable joint in the prior art is a key link related to oil exploitation. However, when the length of the well heating cable is too long at the ends where the cable joints are connected, the lack of a high strength anti-pulling structure can cause a series of problems. First, the cable joints are subjected to tremendous tensile forces deep in the well. If the joints do not have a sufficiently high strength traction resistant structure to support such forces, they may break or become damaged, resulting in interruption of power transmission and loss of heating function. This will have a serious impact on the well operation, resulting in problems of reduced production and increased production costs, and a high strength tensile well heating cable is proposed.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a high strength tensile oil well heating cable, includes cable body, butt joint case, side fixedly connected with flank piece around the butt joint case, the hole has been seted up to flank piece side, the cylinder chamber has been seted up to the butt joint case side, the butt joint case is provided with two sets ofly altogether, butt joint case cylinder intracavity activity cover has the cable body that has the joint, two butt joint case side is provided with supplementary tension assembly, butt joint case side intermediate position is fixed to be provided with the edge piece, the edge piece side adopts the bolt fastening to be provided with the docking collar, the docking hole has been seted up in corresponding position to the docking collar, the docking collar other end is fixed to be provided with the collar, be provided with on the collar and prevent that two sets of cable junctions from being broken by excessive tractive.
Optionally, the auxiliary docking assembly comprises a limiting head, a mounting bolt and a guide rod, wherein a group of side blocks of the docking box are movably inserted with the guide rod.
Optionally, the fixed limit head that is provided with of guide bar head, the guide bar is close to limit head outer wall screw thread screw in has the mounting bolt, the guide bar other end activity inserts another group the flank of the side joint piece side of butt joint case.
Optionally, two groups of bottom blocks are fixedly arranged at the bottoms of the butt joint boxes, wherein one group of bottom blocks is movably inserted with a butt joint bolt at the side face, and the other end of the butt joint bolt is screwed with a locking bolt.
Optionally, main tensile subassembly includes compresses tightly folding pole, drive ring, laborsaving rotating assembly, the screw in of docking ring outer wall screw has the drive ring, the drive ring outer wall is provided with the conical surface.
Optionally, the narrow end of toper face is close to and compresses tightly folding pole one end, compress tightly folding pole other end bottom and seted up the arcwall face, compress tightly folding pole other end contact to toper face outer wall, toper face surface, arcwall face surface have all plated the carbide layer.
Optionally, compress tightly folding pole one end and rotate to connect in the installation piece side, the circular array of installation piece is in the collar lateral wall, compress tightly folding pole other end bottom and be provided with the ripple that compresses tightly.
Optionally, the circular array in conical surface one side is kept away from to the actuating ring outer wall has the screw hole, laborsaving rotating assembly includes screw thread post, laborsaving pole, screw thread column bottom screw in to the screw hole, the mounting groove has been seted up to screw thread column cap portion, the mounting groove internal rotation is connected with laborsaving pole.
Optionally, the butt joint case is kept away from main tensile subassembly one end symmetry fixed be provided with the beam line subassembly that restraines the cable, beam line subassembly includes L type pole, goes up solid ring, lower solid ring, the L type pole other end rotates and is connected with down solid ring, it is fixed on the ring to adopt bolt fixedly connected with to go down solid ring both ends, L type pole screw in the solid ring pivot position screw thread down has fixing bolt.
Optionally, the threaded hole inner cavity is provided with an internal thread, and the threaded hole inner thread depth is smaller than the threaded hole inner cavity depth.
Compared with the prior art, the invention has the following advantages:
1. the main structure of the invention comprises two groups of butt joint boxes, one end of each of the two groups of butt joint boxes is provided with a mounting ring, the outer wall of each mounting ring is provided with a main tensile assembly, and the main tensile assemblies can clamp the outer walls of cables at two ends of a cable joint, so that a series of problems possibly caused by the lack of a high-strength anti-traction structure when the lengths of heating cables of oil wells at two ends connected by the cable joint are overlong can be thoroughly solved. First, the cable joints are subjected to tremendous tensile forces deep in the well. If the joints do not have a sufficiently high strength traction resistant structure to support such forces, they may break or become damaged, resulting in interruption of power transmission and loss of heating function. This will have a serious impact on the well operation, leading to problems of reduced production and increased production costs.
2. One of the core components of the main tensile component is a labor-saving rotating component, and the labor-saving rotating component can enable workers to control the main tensile component to clamp the outer walls of two ends of the heating cable connector of the oil well in a labor-saving mode when the diameter of the heating cable of the oil well is large.
3. The two ends of the butt joint box are provided with the wire harness assemblies, and firstly, the fixing function of the wire harness assemblies ensures that the heating cable is firmly arranged on the wall surface. This is important because in stone oil fields and industrial environments, cables need to be subjected to harsh conditions, such as high temperature, high pressure, chemical corrosion, etc. Through stably fixing the cable on the wall, can prevent the random removal and the vibration of cable to reduce the maintenance cost that leads to because of wearing and tearing with damage, secondly, the wire harness subassembly still possesses the direction function, can lead the heating cable into required angle and direction. This is critical to ensure that the cable is installed and handled in a particular orientation. Through the direction, the trend of the cable can be effectively controlled, so that the cable is suitable for various complex industrial structures and pipeline layouts.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic bottom view of fig. 1.
Fig. 3 is a schematic view of another view structure of fig. 2.
Fig. 4 is a schematic structural view of the docking box and the stretch preventing assembly.
Fig. 5 is a schematic structural view of the stretch resistant member.
Fig. 6 is a schematic view of another view structure of fig. 5.
In the figure: 1. fixing a ring; 2. a lower fixing ring; 3. a fixing bolt; 4. an L-shaped rod; 5. a butt joint box; 51. a lateral connecting block; 52. a bottom connecting block; 520. a butt-joint bolt; 521. a locking bolt; 53. a cable body; 6. a positioning head; 7. installing a bolt; 8. a guide rod; 9. a guide frame; 10. edge bolts; 11. edge blocks; 12. compressing the folding rod; 121. compressing the corrugation; 13. a mounting block; 14. an arc surface; 15. a butt joint hole; 16. a labor-saving rod; 17. a threaded column; 171. a mounting groove; 18. a mounting ring; 19. a drive ring; 20. a docking collar; 21. a conical surface; 22. and (3) a threaded hole.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1-6, a high-strength tensile oil well heating cable comprises a cable body 53 and a butt joint box 5, wherein four holes are formed in the bottoms of the two groups of butt joint boxes 5, an inner hexagon bolt can be used for fixing the whole device to a rack, side joint blocks 51 are fixedly connected to the front side and the rear side of the butt joint box 5, holes are formed in the side faces of the side joint blocks 51, cylindrical cavities are formed in the side faces of the butt joint box 5, two groups of butt joint boxes 5 are arranged in total, a guide frame 9 is fixedly arranged at the top of the butt joint box 5, the guide frame 9 is used for accommodating a labor-saving rod 16, and the diameter of the cylindrical cavities is equal to that of a cable and is used for penetrating the cable.
The movable sleeve in the cylindrical cavity of the butt joint box 5 is provided with a cable body 53 with a joint, the side surfaces of the two butt joint boxes 5 are provided with auxiliary tensile assemblies, the middle position of the side surface of the butt joint box 5 is fixedly provided with an edge block 11, the side surface of the edge block 11 is fixedly provided with a butt joint ring 20 by adopting an edge bolt 10, the butt joint ring 20 is provided with a butt joint hole 15 at a corresponding position, the other end of the butt joint ring 20 is fixedly provided with a mounting ring 18, and the mounting ring 18 is provided with a main tensile assembly for preventing the joint of two groups of cables from being excessively pulled and broken.
The auxiliary butt joint assembly comprises a limiting head 6, a mounting bolt 7 and a guide rod 8, wherein the guide rod 8 is movably inserted into a side joint block 51 of one group of butt joint boxes 5, the limiting head 6 is fixedly arranged at the head of the guide rod 8, the guide rod 8 is screwed into the side joint block 51 of the other group of butt joint boxes 5 near the outer wall of the limiting head 6, the mounting bolt 7 is movably inserted into the side joint block 51 of the other group of butt joint boxes 5 at the other end of the guide rod 8, the two groups of butt joint boxes 5 can be conveniently and correctly butted, and one end of the guide rod 8 is fixed on the side joint block 51 of the side joint box 5 of one group of butt joint boxes 5 due to the arrangement of the mounting bolt 7.
The bottoms of the two groups of butt joint boxes 5 are fixedly provided with bottom joint blocks 52, wherein the side surface of one group of bottom joint blocks 52 is movably inserted with a butt joint bolt 520, the other end of the butt joint bolt 520 is screwed with a locking bolt 521, and the main tensile component comprises a compression folding rod 12, a driving ring 19 and a labor-saving rotating component.
The driving ring 19 is screwed in the outer wall of the butt joint ring 20, the conical surface 21 is arranged on the outer wall of the driving ring 19, the narrow end of the conical surface 21 is close to one end of the compression folding rod 12, the section of the driving ring 19 is isosceles trapezoid, the bottom of the other end of the compression folding rod 12 is provided with the arc-shaped surface 14, the other end of the compression folding rod 12 is contacted with the outer wall of the conical surface 21, the surfaces of the conical surface 21 and the arc-shaped surface 14 are plated with hard alloy layers, and abrasion between the compression folding rod 12 and the conical surface 21 is reduced when one end of the compression folding rod 12 moves along the conical surface 21.
One end of the compression folding rod 12 is rotationally connected to the side face of the mounting block 13, the circular array of the mounting block 13 is arranged on the side wall of the mounting ring 18, compression corrugations 121 are arranged at the bottom of the other end of the compression folding rod 12, and the cross section of each compression corrugation 121 is a wavy line so as to increase the friction force of the outer wall of the cable when the head of the compression folding rod 12 is clamped.
The circular array on one side of the outer wall of the driving ring 19 far away from the conical surface 21 is provided with a threaded hole 22, an inner thread is formed in the inner cavity of the threaded hole 22, the depth of the inner thread of the threaded hole 22 is smaller than that of the inner cavity of the threaded hole 22, the labor-saving rotating assembly comprises a threaded column 17 and a labor-saving rod 16, the bottom of the threaded column 17 is screwed into the threaded hole 22, and as the threaded hole 22 is provided with a plurality of groups, the threaded column 17 can be screwed into any threaded hole 22, so that a worker can conveniently rotate the driving ring 19 by using the labor-saving rotating assembly.
The length of the labor-saving rod 16 is set to be proper, the tail end of the labor-saving rod 16 is set to be an arc end, when a worker rotates the labor-saving rod 16 to be coincident with the axis of the threaded column 17, the driving ring 19 is driven to rotate, the worker is not hindered by the guide rod 8, the rotating plane of the labor-saving rod 16 is perpendicular to the rotating plane of the driving ring 19, and when the labor-saving rod 16 rotates to be coincident with the axis of the threaded column 17, the driving ring 19 can be rotated by the labor-saving rod 16.
The mounting groove 171 is formed in the head of the threaded column 17, the labor-saving rod 16 is rotationally connected to the mounting groove 171, the wire harness assembly for binding the cable is symmetrically and fixedly arranged at one end, far away from the main tensile assembly, of the butt joint box 5, the wire harness assembly comprises an L-shaped rod 4, an upper fixed ring 1 and a lower fixed ring 2, the other end of the L-shaped rod 4 is rotationally connected with the lower fixed ring 2, the upper fixed ring 1 is fixedly connected to two ends of the lower fixed ring 2 through bolts, the fixing bolts 3 are screwed in the rotating shaft position of the lower fixed ring 2 through the L-shaped rod 4, when the cable penetrates between the upper fixed ring 1 and the lower fixed ring 2, the integral structure of the upper fixed ring 1, the lower fixed ring 2 and the bolts can be rotated to a proper angle, and the fixing bolts 3 are screwed, so that the cable is fixed to a required guide.
The specific installation steps of the invention are as follows:
the worker first passes the cables with the cable joints at both ends through the sides of the docking box 5, respectively, then passes the two cables through the two sets of upper and lower fixing rings 1 and 2, respectively, then rotates the upper and lower fixing rings 1 and 2 around the L-shaped rod 4 to a proper angle, rotates the two sets of fixing bolts 3, then inserts the docking bolts 520 onto the bottom blocks 52 of the other set, and screws the locking bolts 521, and inserts the two sets of guide rods 8 onto the side blocks 51 of the other set.
Then, the two groups of labor-saving rods 16 are rotated, the labor-saving rods 16 are rotated to be in a state of being overlapped with the axis of the threaded column 17, then a worker holds the tail end of the labor-saving rods 16, drives the labor-saving rods 16 to drive the driving ring 19 to rotate along the butt joint ring 20, the arc-shaped surfaces 14 of the compression folding rods 12 move along the conical surfaces 21, the heads of the multiple groups of compression folding rods 12 are mutually close, and the outer wall of the cable is clamped by the compression corrugations 121 on the bottom surfaces of the compression folding rods 12.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. The utility model provides a high strength tensile oil well heating cable, includes cable body (53), butt joint case (5), its characterized in that, side fixedly connected with flank piece (51) around butt joint case (5), the hole has been seted up to flank piece (51) side, cylindrical cavity has been seted up to butt joint case (5) side, butt joint case (5) are provided with two sets ofly altogether, butt joint case (5) cylindrical cavity activity cover is equipped with cable body (53) that have the joint, two butt joint case (5) side is provided with supplementary tensile subassembly, butt joint case (5) side intermediate position is fixed to be provided with edge piece (11), edge piece (11) side adopts edge bolt (10) to be fixed to be provided with docking collar (20), docking hole (15) have been seted up in corresponding position to docking collar (20), docking collar (20) other end fixed mounting ring (18), be provided with on mounting ring (18) and prevent that two sets of cable junctions from being broken by the main tensile subassembly of excessive traction.
2. A high strength tensile well heating cable according to claim 1, characterized in that the auxiliary docking assembly comprises a locating head (6), a mounting bolt (7), a guide bar (8), wherein a set of side blocks (51) of the docking box (5) are movably inserted with guide bars (8).
3. A high-strength tensile oil well heating cable according to claim 2, characterized in that a limited head (6) is fixedly arranged at the head of the guide rod (8), a mounting bolt (7) is screwed in the guide rod (8) close to the outer wall of the limited head (6), and the other end of the guide rod (8) is movably inserted into the side face of a side joint block (51) of the other group of the butt joint boxes (5).
4. The high-strength tensile oil well heating cable according to claim 1, wherein bottom joint blocks (52) are fixedly arranged at the bottoms of two groups of the butt joint boxes (5), butt joint bolts (520) are movably inserted into the side faces of one group of the bottom joint blocks (52), and locking bolts (521) are screwed into the other ends of the butt joint bolts (520).
5. The high-strength tensile oil well heating cable according to claim 1, wherein the main tensile assembly comprises a compression folding rod (12), a driving ring (19) and a labor-saving rotating assembly, the driving ring (19) is screwed into the outer wall of the butt joint ring (20), and a conical surface (21) is arranged on the outer wall of the driving ring (19).
6. The high-strength tensile oil well heating cable according to claim 5, wherein the narrow end of the conical surface (21) is close to one end of the compression folding rod (12), the bottom of the other end of the compression folding rod (12) is provided with the arc-shaped surface (14), the other end of the compression folding rod (12) is contacted with the outer wall of the conical surface (21), and the surfaces of the conical surface (21) and the arc-shaped surface (14) are plated with cemented carbide layers.
7. The high-strength tensile oil well heating cable according to claim 5, wherein one end of the compression folding rod (12) is rotatably connected to the side face of the mounting block (13), the circular array of the mounting block (13) is arranged on the side wall of the mounting ring (18), and compression corrugations (121) are arranged at the bottom of the other end of the compression folding rod (12).
8. The high-strength and tensile oil well heating cable according to claim 7, wherein threaded holes (22) are formed in a circular array on one side, away from the conical surface (21), of the outer wall of the driving ring (19), the labor-saving rotating assembly comprises threaded columns (17) and labor-saving rods (16), the bottoms of the threaded columns (17) are screwed into the threaded holes (22), mounting grooves (171) are formed in the heads of the threaded columns (17), and the labor-saving rods (16) are connected in a rotating mode in the mounting grooves (171).
9. The high-strength tensile oil well heating cable according to claim 1, wherein the butt joint box (5) is symmetrically and fixedly provided with a wire harness assembly for binding the cable far away from one end of the main tensile assembly, the wire harness assembly comprises an L-shaped rod (4), an upper fixed ring (1) and a lower fixed ring (2), the other end of the L-shaped rod (4) is rotationally connected with the lower fixed ring (2), the two ends of the lower fixed ring (2) are fixedly connected with the upper fixed ring (1) through bolts, and the L-shaped rod (4) is screwed with a fixing bolt (3) at the position of a rotating shaft of the lower fixed ring (2).
10. The high strength and tensile oil well heating cable of claim 8, wherein the threaded bore (22) has an internal thread formed therein, the threaded bore (22) having an internal thread depth less than the threaded bore (22) depth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311344669.8A CN117374873B (en) | 2023-10-18 | 2023-10-18 | High-strength tensile oil well heating cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311344669.8A CN117374873B (en) | 2023-10-18 | 2023-10-18 | High-strength tensile oil well heating cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117374873A true CN117374873A (en) | 2024-01-09 |
| CN117374873B CN117374873B (en) | 2024-09-13 |
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ID=89401789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311344669.8A Active CN117374873B (en) | 2023-10-18 | 2023-10-18 | High-strength tensile oil well heating cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117374873B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106489048A (en) * | 2014-05-09 | 2017-03-08 | 世伟洛克公司 | There is the catheter adapter being suitable to the part beneficial to assembling |
| CN210628584U (en) * | 2019-12-16 | 2020-05-26 | 克拉玛依四维石油科技有限公司 | Horizontal well logging cable butt joint device |
| CN212162742U (en) * | 2020-06-04 | 2020-12-15 | 胡珊 | Communication engineering cable installation catch |
| CN113140995A (en) * | 2021-04-29 | 2021-07-20 | 河南胜凡信息科技有限公司 | Auxiliary tensile device for butt joint of high-voltage cables and mounting mode of auxiliary tensile device |
| EP4024639A1 (en) * | 2020-12-29 | 2022-07-06 | Euro 2000 S.p.A. | Pull-resistant cable gland |
| CN115173084A (en) * | 2022-07-27 | 2022-10-11 | 国网山东省电力公司平度市供电公司 | Cable connection contact tensile and compressive structure for power supply |
| CN218102554U (en) * | 2022-06-10 | 2022-12-20 | 辽宁辽河油田广源集团有限公司 | Butt joint protective sleeve of oil well heating cable |
-
2023
- 2023-10-18 CN CN202311344669.8A patent/CN117374873B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106489048A (en) * | 2014-05-09 | 2017-03-08 | 世伟洛克公司 | There is the catheter adapter being suitable to the part beneficial to assembling |
| CN210628584U (en) * | 2019-12-16 | 2020-05-26 | 克拉玛依四维石油科技有限公司 | Horizontal well logging cable butt joint device |
| CN212162742U (en) * | 2020-06-04 | 2020-12-15 | 胡珊 | Communication engineering cable installation catch |
| EP4024639A1 (en) * | 2020-12-29 | 2022-07-06 | Euro 2000 S.p.A. | Pull-resistant cable gland |
| CN113140995A (en) * | 2021-04-29 | 2021-07-20 | 河南胜凡信息科技有限公司 | Auxiliary tensile device for butt joint of high-voltage cables and mounting mode of auxiliary tensile device |
| CN218102554U (en) * | 2022-06-10 | 2022-12-20 | 辽宁辽河油田广源集团有限公司 | Butt joint protective sleeve of oil well heating cable |
| CN115173084A (en) * | 2022-07-27 | 2022-10-11 | 国网山东省电力公司平度市供电公司 | Cable connection contact tensile and compressive structure for power supply |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117374873B (en) | 2024-09-13 |
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