CN210608483U - Duplex protector suitable for cables with multiple specifications - Google Patents
Duplex protector suitable for cables with multiple specifications Download PDFInfo
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- CN210608483U CN210608483U CN202020560894.0U CN202020560894U CN210608483U CN 210608483 U CN210608483 U CN 210608483U CN 202020560894 U CN202020560894 U CN 202020560894U CN 210608483 U CN210608483 U CN 210608483U
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Abstract
The utility model relates to a pair protector suitable for many specifications cable. The technical scheme is as follows: the upper part and the lower part of the cable shield are of U-shaped structures, the upper end and the lower end of the cable shield are of chamfer structures, a convex single-pin shaft sleeve is arranged below the upper chamfer structure, a convex single-pin shaft sleeve is arranged above the lower chamfer structure, an oil pipe joint hoop positioning groove is formed between the upper part and the lower U-shaped structure of the cable shield, and a rubber buffer block is arranged inside the U-shaped structure at the upper end and the lower end of the cable shield; the upper pipeline protecting cover and the lower pipeline protecting cover are of semi-arc structures, guide claws are integrally arranged on guide conical surfaces of the upper pipeline protecting cover and the lower pipeline protecting cover, and anti-skid rubber cushion blocks are arranged inside the upper pipeline protecting cover and the lower pipeline protecting cover. The utility model has the advantages that: the utility model discloses use the protection to give first place to, the conical structure of lower extreme can make the pair protector meet in well head or well and slide along the conical surface when protruding or step, can not appear promoting the condition of pair protector displacement.
Description
Technical Field
The utility model relates to a protection device for be used for fixed cable, liquid accuse pipeline on the pipeline, in particular to pair protector suitable for many specifications cable.
Background
The offshore oil production platform is small in space and compact in layout, and the offshore oil field well completion process is generally an electric submersible pump well completion or a self-injection well completion. The well completion process generally uses underground tools such as an electric submersible pump, a pressure transmission barrel, a pump working condition sensor, an underground safety valve, a cable-passing packer and the like. The electric submersible pump needs to transmit electric power through a cable, and the current specification comprises a round cable and a flat cable. The pump working condition sensor needs to transmit signals through a steel pipe cable, and the pressure transmission cylinder, the underground safety valve and the cable-passing packer need to transmit hydraulic pressure through a control pipeline to control a tool to be opened and closed so as to measure bottom hole pressure. These cables and control lines are attached to the completion tubing from downhole to uphole during operational completion. Therefore, an auxiliary tool capable of firmly fixing the cable and the control pipeline on the outer wall of the oil pipe is needed, and the cable and the control pipeline are prevented from being collided in the process of descending the oil pipe into the well.
The Chinese patent application No. 2012207250678, entitled "Duplex Cable protector", a duplex cable protector, includes a middle connector and a clip connected with both ends thereof, the inner wall of the clip is provided with a rubber body; the clamp is formed by closing two semicircular arc-shaped clamping pieces through hinges at two ends, each clamping piece comprises a middle connecting part and fixing claws at two ends, and arc-shaped notches are formed in the upper end face and the lower end face of each connecting part. Compared with the prior art, simple structure, reasonable in design, occupation space are little, and the protection of charge pump cable and liquid accuse pipeline reaches transferring among the specially adapted oily charge pump production oil-water well of diving, and its factor of safety that can improve the well greatly reduces the accident potential, but it still has the shortcoming: when the cable receives external force impact, there is not safeguard measure to absorb the impact force, produce certain damage to the cable, and the outer terminal surface step extrusion damage about oily charge pump cable is easy, and the lower terminal surface of fixed bolt is the plane, need use the continuous adjustment of clamping means to press from both sides tight dynamics in the installation, makes the round pin shaft hole of cable guard shield and pipeline guard shield adjust well, just can insert fixed bolt, reuses the hammer and pounces the bolt into the pinhole.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a pair protector suitable for many specifications cable to the above-mentioned defect that exists to prior art is exactly to the protection is given first place to, and the conical structure of lower extreme can make pair protector along the conical surface when meetting protruding or step in well head or well and slide, can not appear promoting the condition of pair protector displacement.
The technical scheme is as follows: the cable protection device comprises a cable protection cover, an upper pipeline protection cover, a lower pipeline protection cover, an oil pipe joint hoop positioning groove, a cable groove and a pipeline groove, wherein the upper part and the lower part of the cable protection cover are in U-shaped structures, an electric submersible pump cable is placed in the cable protection cover and is tightly attached to the outer wall of an oil pipe, the upper end and the lower end of the cable protection cover are in chamfer structures, a convex single-pin shaft sleeve is arranged below the upper end chamfer structure, a convex single-pin shaft sleeve is arranged above the lower end chamfer structure, the single-pin shaft sleeves are integrally arranged at the radial two ends of the U-shaped structures at the upper part and the lower part, the oil pipe joint hoop positioning groove is formed in the middle of the U-shaped structures at the upper part and the lower part of the cable protection cover; the upper end of the cable shield is provided with an upper pipeline shield, the lower end of the cable shield is provided with a lower pipeline shield, the upper pipeline shield and the lower pipeline shield are of a semi-arc structure, the upper part and the lower part of the upper pipeline shield are guiding conical surfaces, the upper part and the lower part of the lower pipeline shield are guiding conical surfaces, the guiding conical surfaces of the upper pipeline shield and the lower pipeline shield are integrally provided with guiding claws, a pipeline passes through the guiding claws, the radial two ends of the upper pipeline shield and the radial two ends of the lower pipeline shield are respectively integrally provided with a convex double-pin shaft sleeve, the double-pin shaft sleeves are connected with single-pin shaft sleeves at the two ends of the cable shield, and the upper pipeline shield and the.
Preferably, the upper pipeline protecting cover and the lower pipeline protecting cover are fixedly connected with a single-pin shaft sleeve at one end of the upper part and the lower part of the cable protecting cover through fixed pin shafts respectively, and the double-pin shaft sleeve at the other end of the upper pipeline protecting cover and the single-pin shaft sleeve at the other end of the lower pipeline protecting cover are fixedly connected with the single-pin shaft sleeve at the other end of the upper part and the lower part of the cable protecting cover through.
Preferably, two sides of the plug pin shaft sleeves of the cable shield, the upper pipeline shield and the lower pipeline shield are respectively provided with an installation clamping hole.
Preferably, the bottom of the bolt is hemispherical, and the diameter of the lower half part of the bolt is smaller than that of the upper half part.
Preferably, the anti-skid rubber cushion block is provided with a longitudinal pipeline groove, and the inner wall of the longitudinal pipeline groove is integrally provided with a transverse bulge.
Preferably, the rubber buffer blocks on the inner side of the cable shield extend to the outer sides of the upper and lower outer end faces of the cable shield.
Preferably, after the cable shield is folded with the upper pipeline shield and the lower pipeline shield, the upper end and the lower end of the cable shield are of conical structures.
Preferably, the rubber buffer block is fixed inside the U-shaped structure through rivets, and the anti-skid rubber cushion block is fixed inside the upper pipeline protective cover and the lower pipeline protective cover through rivets.
The utility model has the advantages that: the utility model is used for fixing and protecting the submersible electric pump cable and the downhole tool control pipeline at the position of the oil pipe joint hoop, the oil pipe joint hoop is a connecting part between two oil pipes, the outer diameter is larger than the oil pipe body, and the oil pipe joint hoop is clamped at the oil pipe joint hoop by arranging the oil pipe joint hoop positioning groove, thereby ensuring the accurate installation position of the duplex protector; the utility model discloses use the protection to give first place to, the conical structure of lower extreme can make the pair protector meet in well head or well and slide along the conical surface when protruding or step, can not appear promoting the condition of pair protector displacement. In addition, the rubber buffer blocks arranged at the upper end and the lower end of the cable shield counteract the extrusion effect of the elastic deformation of the cable shield on the electric submersible pump cable when the duplex protector is extruded by external force. In recent years, the situation that the double-protection device is collided and damages the cable by extrusion does not occur.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a top view of the present invention;
FIG. 3 is a schematic structural view of a cable shield;
FIG. 4 is a schematic diagram of the configuration of a wall chase;
FIG. 5 is a schematic view of the construction of the latch;
FIG. 6 is a schematic structural view of a pyramid-type structure;
FIG. 7 is a schematic view showing the structure of a flat cable protector according to embodiment 3;
FIG. 8 is a schematic view showing the structure of the ON state of embodiment 3;
in the figure: the cable comprises a cable shield 1, an upper pipeline shield 2, a lower pipeline shield 3, a fixed pin 4, a pin 5, a single pin shaft sleeve 6, an anti-skid rubber cushion block 7, a rubber buffer block 8, a rivet 9, a clamping hole 10, a guide claw 11, an oil pipe joint hoop positioning groove 12, a cable groove 13, a pipeline groove 14, an electric submersible pump cable 15, an oil pipe 16, a chamfer structure 17, a 'U' -shaped structure 18, a guide conical surface 19, a conical structure 20, a double pin shaft sleeve 21 and a transverse bulge 22.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example 1:
as shown in fig. 1, the utility model discloses a cable guard 1, go up pipeline guard 2, lower pipeline guard 3, oil pipe festival hoop constant head tank 12, cable duct 13, wall chase 14, the upper portion and the lower part of cable guard 1 are "U" type structure 18, inside place latent oily charge pump cable 15, latent oily charge pump cable 15 hugs closely oil pipe 16 outer wall, the upper and lower end of cable guard 1 is chamfer structure 17, upper end chamfer structure 17 below is equipped with convex single-pin axle sleeve 6, lower extreme chamfer structure 17 top is equipped with convex single-pin axle sleeve 6, single-pin axle sleeve 6 an organic whole sets up in the upper portion and the lower part be the radial both ends of "U" type structure 18, festival hoop constant head tank 12 has been seted up in the middle of cable guard 1 upper portion and lower part "U" type structure 18, oil pipe festival hoop constant head tank 12 is the rectangle breach, the rubber buffer block 8 of installation in the "U" type structure 18 of; an upper pipeline shield 2 is arranged at the upper end of a cable shield 1, a lower pipeline shield 3 is arranged at the lower end of the cable shield 1, the upper pipeline shield 2 and the lower pipeline shield 3 are in a semi-arc structure, the upper part and the lower part of the upper pipeline shield 2 are guiding conical surfaces 19, the upper part and the lower part of the lower pipeline shield 3 are guiding conical surfaces 19, guiding claws 11 are integrally arranged on the guiding conical surfaces 19 of the upper pipeline shield 2 and the lower pipeline shield 3, a pipeline passes through between the guiding claws 11, two radial ends of the upper pipeline shield 2 and the lower pipeline shield 3 are respectively and integrally provided with a protruding double-pin shaft sleeve 21, the double-pin shaft sleeves 21 are connected with single-pin shaft sleeves 6 at two ends of the cable shield 1, anti-skid rubber cushion blocks 7 are arranged inside the upper pipeline shield 2 and the lower pipeline shield 3, the cable shield 1 covers an electric submersible pump cable 15 and is tightly attached to the outer wall of an oil pipe 16, a, the accurate installation position of the duplex protector is ensured, other control pipelines and pressure pipelines are arranged at the cable groove 13 on the other side of the electric submersible pump cable 15 and cling to the outer wall of the oil pipe 16, the upper pipeline protective cover 2 and the lower pipeline protective cover 3 are folded, the protected pipelines are placed in the upper pipeline groove 14 of the anti-skid rubber cushion block 7, and the pipelines pass through the guide claws 11. The special mounting clamp is used, the single-pin shaft sleeve 6 and the double-pin shaft sleeve 21 are overlapped, the bolt 5 is inserted into the single-pin shaft sleeve 6 and the double-pin shaft sleeve 21, the two parts are fixed together, and the upper pipeline shield 2 and the lower pipeline shield 3 are fixed in the same way.
As fig. 2, go up the one end double round pin axle sleeve 21 on the pipeline guard shield 2 and the lower pipeline guard shield 3 and the single round pin axle sleeve 6 of one end of lower part is connected fixedly through fixed pin axle 4 respectively, goes up the other end double round pin axle sleeve 21 on pipeline guard shield 2 and the lower pipeline guard shield 3 and goes up the other end single round pin axle sleeve 6 of lower part and be connected fixedly through bolt 5 respectively, and fixed pin axle 4 plays the effect of opening and shutting on one side, and the another side is bolt 5 the utility model discloses install oil pipe 16 and go up the back, play the fixed action.
As shown in fig. 1, two sides of the plug 5 shaft sleeve of the cable shield 1, the upper pipeline shield 2 and the lower pipeline shield 3 are respectively provided with an installation clamping hole 10 for the clamping force of the installation tool, so that the single-pin shaft sleeve 6 and the double-pin shaft sleeve 21 are superposed and fixed through the plug 5.
As shown in figure 5, the bottom of the bolt 5 is hemispherical, and the diameter of the lower half part of the bolt 5 is smaller than that of the upper half part, so that the bolt can be automatically guided. Meanwhile, the lower end of the bolt 5 is thin, the upper end of the bolt is thick, and the bolt can be completely inserted without hammering, so that the installation is faster, simpler and more convenient, and the operation safety is higher.
As shown in fig. 2 or 4, the anti-skid rubber cushion block 7 is provided with a longitudinal pipe line groove 14, and the inner wall of the longitudinal pipe line groove 14 is integrally provided with a transverse bulge 22 for increasing the friction force between the rubber and the pipe line, so that the rubber and the pipe line are fixed more firmly and prevented from sliding up and down.
As shown in fig. 3, the rubber buffer blocks 8 on the inner side of the cable shield 1 extend to the outer sides of the upper and lower outer end faces of the cable shield 1, and after installation, when the cable is protected from external impact, the rubber buffer blocks 8 absorb part of the impact force and protect the electrical submersible pump cable 15 from being extruded and damaged by the steps on the upper and lower outer end faces.
If fig. 6, cable guard 1 closes up the back with upper pipeline guard 2, lower pipeline guard 3, and the upper and lower extreme is tapered structure 20, and at the in-process of having gone into the well, when meetting protruding or step in the well, for example the sleeve pipe warp protrudingly, seal structure etc. in the preventer can play fine guide effect, makes the protector pass through the step smoothly, has avoided the utility model discloses receive the step and cut to scratch and appear the displacement, crowd the condition of hindering the cable.
As shown in figure 1, the rubber buffer block 8 is fixed inside the U-shaped structure 18 through the rivet 9, and the antiskid rubber cushion block 7 is fixed inside the upper pipeline shield 2 and the lower pipeline shield 3 through the rivet 9, so that the defect of chemical bonding and fixing is avoided, and the influence of the completion fluid on a bonding part is eliminated.
The cable shield 1, go up pipeline shield 2 and lower pipeline shield 3 and antiskid rubber cushion 7 according to the specification and the quantity of cable and pipeline of going into the well, design multiple specification, all parts are general each other, be applicable to flat cable and the round cable of oily charge pump 4# of diving, 1/8in, 1/4in and 3/8in control line, satisfy the configuration requirement of various well completion tubular columns.
The utility model discloses a cable guard shield 1 covers oily charge pump cable 15 of diving, and hug closely at the 16 outer walls of oil pipe, the oil pipe festival hoop constant head tank 12 card in the middle of the cable guard shield 1 is in 16 couplings departments of oil pipe, it is accurate to guarantee pair protector mounted position, arrange other control lines and pressure pipeline in the 15 opposite side cable duct 13 departments of oily charge pump cable, and hug closely in 16 outer walls of oil pipe, fold up pipeline guard shield 2, lower pipeline guard shield 3, the pipeline of protection is placed in 7 pipeline grooves 14 of anti-skidding rubber cushion, the pipeline passes through from between the guide claw 11. The special mounting clamp is used for clamping the clamping holes 10 on the cable shield 1 and the upper pipeline shield 2, so that the single-pin shaft sleeve 6 and the double-pin shaft sleeve 21 are superposed, the bolt 5 is inserted into the single-pin shaft sleeve 6 and the double-pin shaft sleeve 21, the two parts are fixed together, and the upper pipeline shield 2 and the lower pipeline shield 3 are fixed in the same way.
The utility model is used for fixing and protecting the submersible electric pump cable 15 and the downhole tool control pipeline at the oil pipe joint hoop position, the oil pipe joint hoop is the connecting part between two oil pipes 16, the outer diameter is larger than the oil pipe 16 body, and the oil pipe joint hoop is clamped at the oil pipe 16 coupling position by arranging the oil pipe joint hoop positioning groove 12, thereby ensuring the accuracy of the installation position of the duplex protector; the utility model discloses use the protection to give first place to, the conical structure 20 of lower extreme can make the pair protector meet in well head or well and slide along the conical surface when protruding or step, can not appear promoting the condition of pair protector displacement. In addition, the rubber buffer blocks 8 arranged at the upper end and the lower end of the cable shield 1 counteract the extrusion effect of the elastic deformation of the cable shield 1 on the electric submersible pump cable 15 when the duplex protector is extruded by external force. In recent years, the situation that the double-protection device is collided and damages the cable by extrusion does not occur.
Example 2:
as shown in fig. 1, the utility model discloses a cable guard 1, go up pipeline guard 2, lower pipeline guard 3, oil pipe festival hoop constant head tank 12, cable duct 13, wall chase 14, the upper portion and the lower part of cable guard 1 are "U" type structure 18, inside place latent oily charge pump cable 15, latent oily charge pump cable 15 hugs closely oil pipe 16 outer wall, the upper and lower end of cable guard 1 is chamfer structure 17, upper end chamfer structure 17 below is equipped with convex single-pin axle sleeve 6, lower extreme chamfer structure 17 top is equipped with convex single-pin axle sleeve 6, single-pin axle sleeve 6 an organic whole sets up in the upper portion and the lower part be the radial both ends of "U" type structure 18, festival hoop constant head tank 12 has been seted up in the middle of cable guard 1 upper portion and lower part "U" type structure 18, oil pipe festival hoop constant head tank 12 is the rectangle breach, the rubber buffer block 8 of installation in the "U" type structure 18 of; an upper pipeline shield 2 is arranged at the upper end of a cable shield 1, a lower pipeline shield 3 is arranged at the lower end of the cable shield 1, the upper pipeline shield 2 and the lower pipeline shield 3 are in a semi-arc structure, the upper part and the lower part of the upper pipeline shield 2 are guiding conical surfaces 19, the upper part and the lower part of the lower pipeline shield 3 are guiding conical surfaces 19, guiding claws 11 are integrally arranged on the guiding conical surfaces 19 of the upper pipeline shield 2 and the lower pipeline shield 3, a pipeline passes through between the guiding claws 11, two radial ends of the upper pipeline shield 2 and the lower pipeline shield 3 are respectively and integrally provided with a protruding double-pin shaft sleeve 21, the double-pin shaft sleeves 21 are connected with single-pin shaft sleeves 6 at two ends of the cable shield 1, anti-skid rubber cushion blocks 7 are arranged inside the upper pipeline shield 2 and the lower pipeline shield 3, the cable shield 1 covers an electric submersible pump cable 15 and is tightly attached to the outer wall of an oil pipe 16, a, the accurate installation position of the duplex protector is ensured, other control pipelines and pressure pipelines are arranged at the cable groove 13 on the other side of the electric submersible pump cable 15 and cling to the outer wall of the oil pipe 16, the upper pipeline protective cover 2 and the lower pipeline protective cover 3 are folded, the protected pipelines are placed in the upper pipeline groove 14 of the anti-skid rubber cushion block 7, and the pipelines pass through the guide claws 11. The special mounting clamp is used, the single-pin shaft sleeve 6 and the double-pin shaft sleeve 21 are overlapped, the bolt 5 is inserted into the single-pin shaft sleeve 6 and the double-pin shaft sleeve 21, the two parts are fixed together, and the upper pipeline shield 2 and the lower pipeline shield 3 are fixed in the same way.
As fig. 2, go up the one end double round pin axle sleeve 21 on the pipeline guard shield 2 and the lower pipeline guard shield 3 and the single round pin axle sleeve 6 of one end of lower part is connected fixedly through fixed pin axle 4 respectively, goes up the other end double round pin axle sleeve 21 on pipeline guard shield 2 and the lower pipeline guard shield 3 and goes up the other end single round pin axle sleeve 6 of lower part and be connected fixedly through bolt 5 respectively, and fixed pin axle 4 plays the effect of opening and shutting on one side, and the another side is bolt 5 the utility model discloses install oil pipe 16 and go up the back, play the fixed action.
As shown in fig. 1, two sides of the plug 5 shaft sleeve of the cable shield 1, the upper pipeline shield 2 and the lower pipeline shield 3 are respectively provided with an installation clamping hole 10 for the clamping force of the installation tool, so that the single-pin shaft sleeve 6 and the double-pin shaft sleeve 21 are superposed and fixed through the plug 5.
As shown in figure 5, the bottom of the bolt 5 is hemispherical, and the diameter of the lower half part of the bolt 5 is smaller than that of the upper half part, so that the bolt can be automatically guided. Meanwhile, the lower end of the bolt 5 is thin, the upper end of the bolt is thick, and the bolt can be completely inserted without hammering, so that the installation is faster, simpler and more convenient, and the operation safety is higher.
As shown in fig. 3, the rubber buffer blocks 8 on the inner side of the cable shield 1 extend to the outer sides of the upper and lower outer end faces of the cable shield 1, and after installation, when the cable is protected from external impact, the rubber buffer blocks 8 absorb part of the impact force and protect the electrical submersible pump cable 15 from being extruded and damaged by the steps on the upper and lower outer end faces.
If fig. 6, cable guard 1 closes up the back with upper pipeline guard 2, lower pipeline guard 3, and the upper and lower extreme is tapered structure 20, and at the in-process of having gone into the well, when meetting protruding or step in the well, for example the sleeve pipe warp protrudingly, seal structure etc. in the preventer can play fine guide effect, makes the protector pass through the step smoothly, has avoided the utility model discloses receive the step and cut to scratch and appear the displacement, crowd the condition of hindering the cable.
As shown in figure 1, the rubber buffer block 8 is fixed inside the U-shaped structure 18 through the rivet 9, and the antiskid rubber cushion block 7 is fixed inside the upper pipeline shield 2 and the lower pipeline shield 3 through the rivet 9, so that the defect of chemical bonding and fixing is avoided, and the influence of the completion fluid on a bonding part is eliminated.
The cable shield 1, go up pipeline shield 2 and lower pipeline shield 3 and antiskid rubber cushion 7 according to the specification and the quantity of cable and pipeline of going into the well, design multiple specification, all parts are general each other, be applicable to flat cable and the round cable of oily charge pump 4# of diving, 1/8in, 1/4in and 3/8in control line, satisfy the configuration requirement of various well completion tubular columns.
The difference from the embodiment 1 is that:
as shown in fig. 2 or 4, the anti-skid rubber cushion block 7 is provided with a longitudinal pipe line groove 14, and the inner wall of the longitudinal pipe line groove 14 is integrally provided with a transverse bulge 22 for increasing the friction force between the rubber and the pipe line, so that the rubber and the pipe line are fixed more firmly and prevented from sliding up and down.
The utility model discloses a cable guard shield 1 covers oily charge pump cable 15 of diving, and hug closely at the 16 outer walls of oil pipe, the oil pipe festival hoop constant head tank 12 card in the middle of the cable guard shield 1 is in 16 couplings departments of oil pipe, it is accurate to guarantee pair protector mounted position, arrange other control lines and pressure pipeline in the 15 opposite side cable duct 13 departments of oily charge pump cable, and hug closely in 16 outer walls of oil pipe, fold up pipeline guard shield 2, lower pipeline guard shield 3, the pipeline of protection is placed in 7 pipeline grooves 14 of anti-skidding rubber cushion, the pipeline passes through from between the guide claw 11. The special mounting clamp is used for clamping the clamping holes 10 on the cable shield 1 and the upper pipeline shield 2, so that the single-pin shaft sleeve 6 and the double-pin shaft sleeve 21 are superposed, the bolt 5 is inserted into the single-pin shaft sleeve 6 and the double-pin shaft sleeve 21, the two parts are fixed together, and the upper pipeline shield 2 and the lower pipeline shield 3 are fixed in the same way.
The utility model is used for fixing and protecting the submersible electric pump cable 15 and the downhole tool control pipeline at the oil pipe joint hoop position, the oil pipe joint hoop is the connecting part between two oil pipes 16, the outer diameter is larger than the oil pipe 16 body, and the oil pipe joint hoop is clamped at the oil pipe 16 coupling position by arranging the oil pipe joint hoop positioning groove 12, thereby ensuring the accuracy of the installation position of the duplex protector; the utility model discloses use the protection to give first place to, the conical structure 20 of lower extreme can make the pair protector meet in well head or well and slide along the conical surface when protruding or step, can not appear promoting the condition of pair protector displacement. In addition, the rubber buffer blocks 8 arranged at the upper end and the lower end of the cable shield 1 counteract the extrusion effect of the elastic deformation of the cable shield 1 on the electric submersible pump cable 15 when the duplex protector is extruded by external force. In recent years, the situation that the duplex protector is collided and damages cables by extrusion does not occur, the longitudinal pipe line groove 14 is formed in the anti-skid rubber cushion block 7, and the transverse protrusion 22 is integrally arranged on the inner wall of the longitudinal pipe line groove 14 and used for increasing the friction force between rubber and a pipe line, so that the rubber and the pipe line are fixed more firmly and prevented from sliding up and down.
Specific examples are as follows: the well completion string of a certain offshore submersible electric pump well is a 2-7/8-inch external thickened oil pipe 16, a No. 4 submersible electric pump round cable, is provided with a cable packer, a downhole safety valve, a pressure transmission cylinder and an electric pump working condition sensor, and controls pipelines by using 3 pieces of 1/4 inches and 1 piece of 1/8 inches. The configuration cable guard shield 1 and the antiskid rubber cushion 7 are 4# round cables, and the upper pipeline guard shield 2 and the lower pipeline guard shield 3 and the antiskid rubber cushion 7 are 3 1/4in, 1 1/8in grooves, and the field meets the use requirements.
Example 3:
the difference from the embodiment 1 is that:
wherein, the radian of going up pipeline guard shield 2 and lower pipeline guard shield 3 is less than half-circular arc's radian, can be applicable to flat cable's protection.
In addition, be equipped with the guide claw 11 on chamfer structure 17, in the in-process of having gone into the well, when meetting protruding or step in the well, for example the sleeve pipe warp the arch, seal structure etc. in the preventer further plays fine guide effect, makes the protector pass through step department smoothly, has avoided the utility model discloses receive the step and cut to scratch the appearance displacement, crowd the condition of hindering the cable.
Specific examples are as follows: a completion pipe string of a certain offshore submersible electric pump well is 2-7/8in with 16 tubes of thick oil, a 4# submersible electric pump flat cable is provided with a cable packer, a downhole safety valve, a pressure transmission cylinder and a chemical injection valve, and 2 1/4in, 1 1/8in and 1 3/8in control pipelines are used. The cable shield 1 and the antiskid rubber cushion block 7 are configured to be a No. 4 flat cable, the upper pipeline shield 2, the lower pipeline shield 3 and the antiskid rubber cushion block 7 are 3 1/4in, 1 1/8in and 1 3/8in grooves, and the use requirements are met on site.
The above description is only for the preferred embodiment of the present invention, and any person skilled in the art can modify the present invention or modify it into equivalent technical solutions by using the above technical solutions. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.
Claims (8)
1. The utility model provides a pair protector suitable for many specifications cable, characterized by: the cable comprises a cable shield (1), an upper pipeline shield (2), a lower pipeline shield (3), an oil pipe joint hoop positioning groove (12), a cable groove (13) and a pipeline groove (14), wherein the upper part and the lower part of the cable shield (1) are U-shaped structures (18), an electric submersible pump cable (15) is placed inside the cable shield, the electric submersible pump cable (15) is tightly attached to the outer wall of an oil pipe (16), the side edge of the electric submersible pump cable (15) is the cable groove (13), the upper end and the lower end of the cable shield (1) are chamfer structures (17), a convex single-pin shaft sleeve (6) is arranged below the upper end chamfer structure (17), the convex single-pin shaft sleeve (6) is arranged above the lower end chamfer structure (17), the single-pin shaft sleeves (6) are integrally arranged at the radial two ends of the U-shaped structures (18) at the upper part and the lower part, the oil pipe joint hoop positioning groove (12) is arranged between the, the oil pipe joint hoop positioning groove (12) is a rectangular gap, and rubber buffer blocks (8) are arranged in U-shaped structures (18) at the upper end and the lower end of the cable shield (1); the upper end of the cable shield (1) is provided with an upper pipeline shield (2), the lower end of the cable shield (1) is provided with a lower pipeline shield (3), the upper pipeline shield (2) and the lower pipeline shield (3) are of semi-arc structures, the upper part and the lower part of the upper pipeline shield (2) are provided with guide conical surfaces (19), the upper part and the lower part of the lower pipeline shield (3) are provided with guide conical surfaces (19), the guide claws (11) are integrally arranged on guide conical surfaces (19) of the upper pipeline protective cover (2) and the lower pipeline protective cover (3), pipelines pass through the guide claws (11), convex double-pin shaft sleeves (21) are integrally arranged at the radial two ends of the upper pipeline protective cover (2) and the radial two ends of the lower pipeline protective cover (3) respectively, the double-pin shaft sleeves (21) are connected with single-pin shaft sleeves (6) at the two ends of the cable protective cover (1), and anti-skid rubber cushion blocks (7) are arranged inside the upper pipeline protective cover (2) and the lower pipeline protective cover (3).
2. A duplex protector adapted for use with multiple gauge cables according to claim 1, wherein: one end double-pin shaft sleeves (21) on the upper pipeline protecting cover (2) and the lower pipeline protecting cover (3) and one end single-pin shaft sleeve (6) on the upper part and the lower part of the cable protecting cover (1) are fixedly connected through a fixed pin shaft (4) respectively, and the other end double-pin shaft sleeves (21) on the upper pipeline protecting cover (2) and the lower pipeline protecting cover (3) and the other end single-pin shaft sleeve (6) on the upper part and the lower part are fixedly connected through a bolt (5) respectively.
3. A duplex protector adapted for use with multiple gauge cables according to claim 2, wherein: and mounting clamping holes (10) are respectively formed in two sides of the latch shaft sleeves of the cable shield (1), the upper pipeline shield (2) and the lower pipeline shield (3).
4. A duplex protector adapted for use with multiple gauge cables according to claim 2, wherein: the bottom of the bolt (5) is hemispherical, and the diameter of the lower half part of the bolt (5) is smaller than that of the upper half part.
5. A duplex protector adapted for use with multiple gauge cables according to claim 1, wherein: the antiskid rubber cushion block (7) is provided with a longitudinal pipeline groove (14), and the inner wall of the longitudinal pipeline groove (14) is integrally provided with a transverse bulge (22).
6. A duplex protector adapted for use with multiple gauge cables according to claim 1, wherein: the rubber buffer blocks (8) on the inner side of the cable shield (1) extend to the outer sides of the upper and lower outer end faces of the cable shield (1).
7. A duplex protector adapted for use with multiple gauge cables according to claim 1, wherein: after the cable shield (1) is folded with the upper pipeline shield (2) and the lower pipeline shield (3), the upper end and the lower end form a conical structure (20).
8. A duplex protector adapted for use with multiple gauge cables according to claim 1, wherein: the rubber buffer block (8) is fixed inside the U-shaped structure (18) through a rivet (9), and the antiskid rubber cushion block (7) is fixed inside the upper pipeline protection cover (2) and the lower pipeline protection cover (3) through the rivet (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020560894.0U CN210608483U (en) | 2020-04-16 | 2020-04-16 | Duplex protector suitable for cables with multiple specifications |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112701639A (en) * | 2021-01-20 | 2021-04-23 | 淮安市元吉船舶设备有限责任公司 | Duplex cable protector with rubber |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112701639A (en) * | 2021-01-20 | 2021-04-23 | 淮安市元吉船舶设备有限责任公司 | Duplex cable protector with rubber |
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