CN217824094U - Cable pipe sealing device - Google Patents
Cable pipe sealing device Download PDFInfo
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- CN217824094U CN217824094U CN202221913039.9U CN202221913039U CN217824094U CN 217824094 U CN217824094 U CN 217824094U CN 202221913039 U CN202221913039 U CN 202221913039U CN 217824094 U CN217824094 U CN 217824094U
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Abstract
The utility model discloses a cable tube sealing device, which comprises a body; the device also comprises a sealing protection mechanism and a fixing mechanism; the outer wall of the body is provided with a groove for laying a cable; the sealing protection mechanism surrounds the outside of the cable in the groove, and the outermost wall surface of the sealing protection mechanism and the outer wall surface of the body except the groove are positioned on the same cylindrical surface; the fixing mechanism fixes the sealing protection mechanism on the body. The sealing protection mechanism comprises a sealing shell, the sealing shell is arranged in the groove, and the cable penetrates through the sealing shell. In the process of pulling up and pulling down the electric pump cable pipe column in the underground workover operation, the operation well control safety is improved, the electric pump cable is effectively protected, and the phenomenon that the electric pump pipe column cannot be closed down due to temporary shutdown or night shutdown is avoided. The well shut-in of the electric pump well construction cable pipe column is realized, the well control safety is improved, the electric pump cable is effectively protected, and the blank that the electric pump well pipe column cannot be shut in is filled.
Description
Technical Field
The utility model belongs to the technical field of the oil well operation instrument and specifically relates to a cable duct sealing device.
Background
One of the common processes when an electric pump pipe column is started and lowered in workover operation construction is that the flashboard of the blowout preventer can only seal a cylindrical object which meets the size of the flashboard, and an electric pump cable is attached to the outer side of the pipe column and protrudes out, so that the blowout preventer cannot realize blowout prevention operation. Therefore, the electric pump well cable pipe column sealing device which meets the size of the current well plugging device needs to be designed, well control safety is effectively improved, production cost is saved, cable damage is avoided, and the purpose of safe production is achieved.
Publication (bulletin) No.: CN103775750A, publication (announcement) day: 2014-05-07 discloses a coiled tubing through cable sealing device, which belongs to the field of coiled tubing cable injection tools of petroleum equipment. The method comprises the following steps: the cable sealing device comprises a shell, a connecting sleeve and a connecting pipe, wherein the shell is a hollow cylinder, the connecting sleeve is arranged at one end of the shell, the connecting pipe is arranged at the other end of the shell, a body of the cable sealing device is formed, and a piston, a spring and a sealing device are arranged in an inner cavity of the body. Through set up sealing device in the casing to adopt hydraulic means to compress tightly, wear the cable in-process at coiled tubing, when the cable received water pressure, because sealing device's last press sleeve and lower press sleeve compress tightly the packing core, make the packing core warp and hold tightly the cable, play sealed effect, through the adjustable contact force between packing core and cable of hydraulic means, effectively prevent liquid leakage. The sealing device is particularly suitable for sealing in the process of pressing in the process of penetrating a cable into a coiled continuous oil pipe in oil well operation.
Publication (bulletin) No.: CN100502186C, open (public) day: 2009-06-17 discloses a connecting method and a butt joint device for cables in an oil pipe of an oil-submersible electric pump well. The problems that when an underground cable of an existing submersible electric pump well is connected, an oil pipe is adopted to be externally connected, the cable is easy to damage, the operation cost is high, the operation efficiency of the pump is lowered due to complex procedures and the like are mainly solved. The method is characterized in that: a cable butt joint device with an upper cable connector (a) and a lower cable connector (b) is used for placing a cable in an oil pipe, and the butt joint of the underground cable is completed by using the butt joint device. When the cable needs to be pulled out, the cable upper connecting body (a) in the butting device is pulled up, and the latch hook in the female locking body is broken and sheared by the snap ring in the cable upper connecting body (a), so that the cable upper connecting body (a) and the upper end cable are pulled out. After the method is applied, the cable is not attached to the outside of the oil pipe any more, and the cable damage is avoided. In addition, the method is used for carrying out cable butt joint on the underground electric submersible pump, the operation is extremely simple, and the pump detection operation efficiency is greatly improved.
Publication (bulletin) No.: CN104134965B, open (post) day: 2016-09-07 relates to a modularized cable head of an electric submersible pump unit. The problems that the cable connection process is complex and the connection quality is low in the process of descending a well of the existing electric submersible pump unit are mainly solved. The method is characterized in that: a motor lead connecting plug is fixed inside the connector, a cable core connecting plug is connected to the upper portion of the motor lead connecting plug, a cable is connected to the upper end of the cable core connecting plug, a plurality of compression rings are sleeved outside the cable, a sealing ring is arranged between every two adjacent compression rings, and the upper portions of the compression rings are fixed through compression plates. The modularized cable head of the electric submersible pump unit can realize quick connection of a cable and the electric submersible motor during underground operation of the electric submersible pump unit, greatly reduce field operation amount and improve cable connection quality.
Publication (bulletin) No.: CN111740361A, publication (public notice) day: 2020-10-02 discloses a cable pipe protection tube convenient for a cable pipe to penetrate through, which comprises a protection tube body, wherein the outer surface of the protection tube body is provided with a notch, dovetail grooves are respectively arranged on the sides, close to each other, of the outer surface of the protection tube body, and a sealing plate is embedded in the position, close to the notch, of the outer surface of the protection tube body; the utility model discloses a breach department that the protection tube body was seted up puts into the cable conductor, then imbeds the sealing plate again and makes the protection tube body be the body of a completion, can effectively solve the problem that exists among the prior art.
Technical scheme and the technical problem that will solve and the beneficial effect who produces of above disclosure technique all with the utility model discloses inequality, to the utility model discloses more technical characteristics and the technical problem and the beneficial effect that will solve all do not have the technological inspiration in the above technical document that discloses.
SUMMERY OF THE UTILITY MODEL
The above-mentioned defect to prior art existence, the utility model aims at providing a cable duct sealing device, at the well workover in-process of electric pump cable tubular column under having played, improve operation well accuse safety, effectively protect the electric pump cable, avoid temporarily stopping or stop the phenomenon that the electric pump tubular column can't close the well under having stopped night. The well shut-in of the electric pump well construction cable pipe column is realized, the well control safety is improved, the electric pump cable is effectively protected, and the blank that the electric pump well pipe column cannot be shut in is filled.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a cable duct sealing device comprises a body;
the device also comprises a sealing protection mechanism and a fixing mechanism;
the outer wall of the body is provided with a groove for laying a cable;
the sealing protection mechanism surrounds the outside of the cable in the groove, and the outermost wall surface of the sealing protection mechanism and the outer wall surface of the body except the groove are positioned on the same cylindrical surface;
the fixing mechanism fixes the sealing protection mechanism on the body.
Furthermore, the sealing protection mechanism comprises a sealing shell, the sealing shell is arranged in the groove, and the cable penetrates through the sealing shell.
Further, the sealing shell is a butadiene acrylonitrile rubber sealing shell.
Furthermore, the sealing shell comprises an inner concave sealing shell and an outer concave sealing shell which are buckled with each other, namely the inner concave sealing shell and the outer concave sealing shell are buckled with each other to wrap the cable.
Furthermore, the sealing protection mechanism further comprises a protection plate, the inner side surface of the protection plate presses the outer wall of the sealing shell, and the surface of the outer side wall of the protection plate and the surface of the outer wall of the body except the groove are located on the same cylindrical surface.
Further, the fixing mechanism comprises a fixing clip, and the guard plate and the body are surrounded and clamped at the same time.
Furthermore, the sealing protection mechanism is completely attached to the inner wall of the groove in the groove.
Furthermore, the body is provided with a circulating hole which is axially communicated.
Furthermore, the starting port of the body is connected with the upper joint, and the tail port of the body is provided with threads as the lower joint.
Compared with the prior art, the utility model following beneficial effect has:
the utility model discloses can realize the electric pump well in the work progress, down, if meet stop night or special circumstances and need seal the well when the operation, ensure well control safety, can effectively reduce workman intensity of labour, reduce the cable loss, improve construction safety, cause the blowout accident because of unable shut-in well when avoiding stopping. When a well needs to be shut down, the body and the inner tubular column are firstly connected and tightened, the cable is embedded into the inner concave nitrile rubber, the protective plate and the outer concave nitrile rubber are covered, the protective plate and the body are fixed into a whole by the fixing clamp, the pipe column is lifted up to remove the elevator, the inner blowout prevention tool plug valve is connected and tightened with the upper joint, the semi-sealing flashboard of the well sealer is closed, the protective plate, the body and the inner and outer concave rubber are squeezed by the flashboard to deform the rubber, the sealing among the rubber, the body, the cable and the protective plate is realized, the annular space of an oil sleeve is sealed, the inner blowout prevention tool plug valve is closed, and the purpose of well sealing is completed.
Drawings
Fig. 1 is a schematic structural view of a cable tube sealing device of the present invention;
fig. 2 is a top view of a body of a cable duct sealing device of the present invention;
fig. 3 is a cross-sectional view of a cable duct sealing device of the utility model.
In the figure: the cable comprises an upper connector 1, a body 2, a fixing clip 3, an inner concave nitrile rubber sealing shell 4, an outer concave nitrile rubber sealing shell 5, a circulation hole 6, a guard plate 7, a lower connector 8, a groove 9 and a cable 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1:
as shown in fig. 1 to 3, the cable duct sealing device of the present embodiment includes a body 2;
the device also comprises a sealing protection mechanism and a fixing mechanism;
the outer wall of the body is provided with a groove 9 for laying a cable;
the sealing protection mechanism surrounds the outside of the cable 10 in the groove, and the outermost wall surface of the sealing protection mechanism and the outer wall surface of the body except the groove are positioned on the same cylindrical surface;
the fixing mechanism fixes the sealing protection mechanism on the body.
Furthermore, the sealing protection mechanism comprises a sealing shell, the sealing shell is arranged in the groove, and the cable penetrates through the sealing shell.
Further, the sealing shell is a butadiene-acrylonitrile rubber sealing shell.
Furthermore, the sealing shell comprises an inner concave sealing shell and an outer concave sealing shell which are buckled with each other, namely the inner concave sealing shell and the outer concave sealing shell are buckled with each other to wrap the cable.
Furthermore, the sealing protection mechanism further comprises a guard plate 7, the inner side face of the guard plate presses the outer wall of the sealing shell, and the surface of the outer side wall of the guard plate and the surface of the outer wall of the body except the groove are located on the same cylindrical surface.
Further, the fixing mechanism comprises a fixing clip 3, and the guard plate and the body are surrounded and clamped.
Furthermore, the sealing protection mechanism is completely attached to the inner wall of the groove in the groove.
Further, the body is provided with a circulating hole 6 which is axially communicated.
Furthermore, the starting port of the body is connected with the upper joint 1, and the tail port of the body is provided with a thread as the lower joint 8.
The upper joint 1 is used for connecting an internal blowout prevention tool plug valve;
the device comprises a body 2, wherein a groove is milled on the outer wall of the body and is used for installing an inner concave nitrile rubber 4, a circulating hole 6 is milled inside the body and is used as a well-flushing channel, and an oil pipe thread-buckle lower joint 8 is picked out from the lower part of the body and is connected with an in-well pipe column;
the fixing clip 3 is used for fixing the guard plate 7 and the cable, and the inner and outer concave nitrile rubber 4.5, so that the dislocation of the cable and the concave rubber when the flashboard of the blowout preventer is shut in is avoided, and the guard plate 7 is prevented from falling off;
the inner concave nitrile rubber 4 is consistent with the groove of the body and is used for embedding the cable into the groove of the body, sealing the inner side of the cable and realizing secondary sealing with the body 2 and the cable;
the outer concave nitrile rubber 5 is consistent with the groove of the guard plate and is used for sealing the outer side of the cable to realize secondary sealing with the guard plate and the cable;
the circulation hole 6 is a circulation channel for flushing and killing the well;
the protection plate 7 is used for installing the outer concave nitrile rubber 5, protecting the cable from being extruded and deformed by the flashboard and forming a cylinder suitable for the flashboard of the blowout preventer together with the body 2;
and a lower joint 8, wherein the lower joint is used for connecting an electric pump pipe column in the well.
The operation method comprises the following steps:
1. before use, checking whether rubber, joints and the like are intact, flexible and good to use;
2. connecting and tightening the pipe wrench and the pipe column in the well;
3. the cable is arranged in the concave nitrile rubber, and a protective plate is covered;
4. the upper and lower fixing clips are used for fixing the guard plate and the body into an integrated state;
5. removing the oil pipe elevator, lowering the device to the semi-closed flashboard, and closing the flashboard;
6. and closing the plug valve of the internal blowout prevention tool to finish the well plugging operation.
1. The upper joint is used for connecting an internal blowout prevention tool plug valve; 2. the body is used for bearing and hanging the hanging weight of the lower pipe column and is also used for installing the inner concave nitrile rubber; 3. the fixing clip is used for fixing the guard plate, the cable and the inner and outer butadiene-acrylonitrile rubbers, so that the dislocation of the cable and the concave rubber is avoided when the flashboard of the blowout preventer is shut in, and the drill jamming accident caused by the falling of the guard plate is prevented; 4. the inner concave nitrile rubber is consistent with the groove of the body and is used for embedding the cable into the groove to seal the inner side of the cable, so that secondary sealing with the body and the cable is realized; 5. the outer concave nitrile rubber is consistent with the groove of the guard plate and used for sealing the outer side of the cable to realize secondary sealing with the guard plate and the cable; 6. the circulating hole is used for a circulating channel of the flushing and killing well; 7. the protective plate is used for mounting external concave nitrile rubber to protect the cable from being extruded and deformed by the flashboard, and the protective plate and the body form a cylinder suitable for the flashboard of the blowout preventer; 8. the lower joint is used for connecting an electric pump pipe column in the well. The working principle is as follows: the body and the inner concave-shaped nitrile rubber form an adhesion integrated structure, and the guard plate and the outer concave-shaped nitrile rubber form an adhesion integrated structure.
When a well needs to be shut down, the body and the inner tubular column are firstly connected and tightened, the cable is embedded into the inner concave nitrile rubber, the protective plate and the outer concave nitrile rubber are covered, the protective plate and the body are fixed into a whole by the fixing clamp, the pipe column is lifted up to remove the elevator, the inner blowout prevention tool plug valve is connected and tightened with the upper joint, the semi-sealing flashboard of the well sealer is closed, the protective plate, the body and the inner and outer concave rubber are squeezed by the flashboard to deform the rubber, the sealing among the rubber, the body, the cable and the protective plate is realized, the annular space of an oil sleeve is sealed, the inner blowout prevention tool plug valve is closed, and the purpose of well sealing is completed.
Example 2:
as shown in fig. 1 to 3, a cable tube sealing device of the present embodiment includes a body 2;
the device also comprises a sealing protection mechanism and a fixing mechanism;
a groove 9 for laying a cable is formed in the outer wall of the body;
the sealing protection mechanism surrounds the outside of the cable 10 in the groove, and the outermost wall surface of the sealing protection mechanism and the outer wall surface of the body except the groove are positioned on the same cylindrical surface;
the fixing mechanism fixes the sealing protection mechanism on the body.
Furthermore, the sealing protection mechanism comprises a sealing shell, the sealing shell is arranged in the groove, and the cable penetrates through the sealing shell.
Further, the sealing shell is a butadiene-acrylonitrile rubber sealing shell.
Furthermore, the sealing shell comprises an inner concave sealing shell and an outer concave sealing shell which are buckled with each other, namely the inner concave sealing shell and the outer concave sealing shell are buckled with each other to wrap the cable.
Furthermore, the sealing protection mechanism further comprises a protection plate 7, the inner side surface of the protection plate presses the outer wall of the sealing shell, and the surface of the outer side wall of the protection plate and the surface of the outer wall of the body except the groove are located on the same cylindrical surface.
Example 3:
as shown in fig. 1 to 3, a cable tube sealing device of the present embodiment includes a body 2;
the device also comprises a sealing protection mechanism and a fixing mechanism;
a groove 9 for laying a cable is formed in the outer wall of the body;
the sealing protection mechanism surrounds the outside of the cable 10 in the groove, and the outermost wall surface of the sealing protection mechanism and the outer wall surface of the body except the groove are positioned on the same cylindrical surface;
the fixing mechanism fixes the sealing protection mechanism on the body.
Furthermore, the sealing protection mechanism comprises a sealing shell, the sealing shell is arranged in the groove, and the cable penetrates through the sealing shell.
Although fig. 1 to 3 are used in all the above embodiments, it is apparent to those skilled in the art that separate drawings are not shown as long as parts or structural features missing in the embodiments are removed from the drawings. As will be clear to the skilled person. Of course, the embodiments with more components are only the preferred embodiments, and the embodiments with fewer components are the basic embodiments, but the basic objects of the present invention can also be achieved, so all of these modified embodiments are within the scope of the present invention.
All parts and components which are not discussed in the present application and the connection mode of all parts and components in the present application belong to the known technology in the technical field. The application is direct and will not be described in detail.
In the present application, the term "plurality" is intended to mean two or more, unless explicitly defined otherwise. The terms "mounted," "connected," "fixed," and the like are used broadly and should be construed to include, for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; "connected" may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and simplification of description, rather than indicating or implying that the indicated device or unit must have a specific direction, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. 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, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A cable duct sealing device comprises a body;
it is characterized by also comprising a sealing protection mechanism and a fixing mechanism;
the outer wall of the body is provided with a groove for laying a cable;
the sealing protection mechanism surrounds the outside of the cable in the groove, and the outermost wall surface of the sealing protection mechanism and the outer wall surface of the body except the groove are positioned on the same cylindrical surface;
the fixing mechanism fixes the sealing protection mechanism on the body.
2. The cable duct sealing device of claim 1, wherein the sealing protection mechanism comprises a sealing shell, the sealing shell is disposed in the groove, and the cable is disposed in the sealing shell.
3. The cable duct sealing device of claim 2, wherein the sealing shell is a nitrile rubber sealing shell.
4. A cable duct sealing device according to claim 2 or 3, wherein the sealing shells comprise an inner "concave" type sealing shell and an outer "concave" type sealing shell which are engaged with each other, i.e. the inner "concave" type sealing shell and the outer "concave" type sealing shell are engaged with each other to enclose the cable.
5. The cable duct sealing device of claim 2 or 3, wherein the sealing protection mechanism further comprises a protecting plate, the inner side surface of the protecting plate presses the outer wall of the sealing shell, and the outer side wall surface of the protecting plate and the outer wall surface of the body except the groove are on the same cylindrical surface.
6. A cable duct sealing device according to claim 5, wherein said retention means comprises a retention clip which simultaneously surrounds and captures the shield and body.
7. The cable duct sealing device of claim 6, wherein the seal protection mechanism is disposed within the groove in full abutment with the inner wall of the groove.
8. A cable duct sealing device according to claim 2 or 3, wherein the body is provided with an axially through-going circulation bore.
9. The cable duct sealing device according to claim 2 or 3, wherein the body start port is connected to the upper joint, and the body end port is threaded as the lower joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221913039.9U CN217824094U (en) | 2022-07-21 | 2022-07-21 | Cable pipe sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221913039.9U CN217824094U (en) | 2022-07-21 | 2022-07-21 | Cable pipe sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217824094U true CN217824094U (en) | 2022-11-15 |
Family
ID=83968426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221913039.9U Active CN217824094U (en) | 2022-07-21 | 2022-07-21 | Cable pipe sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217824094U (en) |
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2022
- 2022-07-21 CN CN202221913039.9U patent/CN217824094U/en active Active
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