CN208330271U - A kind of low-melting-point metal pit shaft capping tools - Google Patents
A kind of low-melting-point metal pit shaft capping tools Download PDFInfo
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- CN208330271U CN208330271U CN201821018386.9U CN201821018386U CN208330271U CN 208330271 U CN208330271 U CN 208330271U CN 201821018386 U CN201821018386 U CN 201821018386U CN 208330271 U CN208330271 U CN 208330271U
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Abstract
The utility model relates to a kind of low-melting-point metal pit shaft capping tools, bridge plug connector including bridge plug ontology and interior sky, the bottom end of the bridge plug connector is equipped with an opening, the bottom end of the bridge plug connector is equipped with one for closing the bottom plate of the opening, storage assembly is equipped in the bridge plug connector, the bridge plug inner nosepiece wall is slidably connected with the storage assembly, the bottom plate upper end is fixed with multiple for fixing the restriction slot of the bridge plug connector, the side wall of the bridge plug connector is equipped with limits rotating plate with the restriction slot correspondingly, the rotating plate that limits passes through the side walls hinged of a runner assembly and the bridge plug connector, the restriction rotating plate is equipped with an igniter to the inner sidewall of bridge plug connector inner cavity.Be conducive to the eutectic dot characteristics of metal by this bridging device, it is cooling after can fast shaping bridge plug is fixed, reach the sealing effect to oil/gas well, avoid security risk.
Description
Technical field
The utility model relates to oil exploitation field of tool, and in particular to a kind of low-melting-point metal pit shaft capping tools.
Background technique
Bridge plug, with widely, mainly blocks oil/gas well in oil-gas mining field, has construction work
The features such as sequence is few, the period is short, bridge plug are divided into permanent type bridge plug and detachable bridge plug again.Wherein permanent type bridge plug, mainly by bridge
After plugging in oil/gas well, oil/gas well can be fully sealed, it is therefore desirable to which sealing effect is good, is not easy the features such as falling；Mesh
The preceding permanent bridge-chock main operational principle used is the designated position that pit shaft is transported to using cable or tubing string, passes through fire
The pressure that the tools such as medicine explosion or hydraulic setting generate acts on upper slips, and pulling force effect passes through upper lower cone in tension force stick
Upper pressure is imposed to cartridge and draws two power, when pulling force reaches certain value, tension force stick fracture, setting tool and bridge plug are de-
From the locking device on bridge plug central tube plays efficiency at this time, and upper lower slips are crushed and are embedded on internal surface of sleeve pipe, packing element expansion
And seal, it completes to set.
The sealing effect of this permanent bridge-chock is undesirable, and larger vibration is in addition easy to produce when using gunpowder explosion, holds
Security risk is easily caused, and the use of gunpowder also needs significant care, easily causes personal injury.
Utility model content
In order to solve the above-mentioned technical problem the utility model provides a kind of low-melting-point metal pit shaft capping tools, by this bridge
Plug device is conducive to the eutectic dot characteristics of metal, it is cooling after can fast shaping bridge plug is fixed, reach to the close of oil/gas well
Effect is sealed, security risk is avoided.
The technical solution that the utility model solves above-mentioned technical problem is as follows: a kind of low-melting-point metal pit shaft capping tools,
Bridge plug connector including bridge plug ontology and interior sky, the side wall of the bridge plug connector are two layers of hollow structure, the bridge plug connector
Bottom end is equipped with an opening, and the bottom end of the bridge plug connector is equipped with a bottom plate for being used to close the opening, the bridge plug ontology
Top and the bottom face of the bottom plate are connected through a screw thread, and are equipped with storage assembly in the bridge plug connector, the storage assembly with
The upper surface of the bottom plate is fixedly connected, and the bridge plug inner nosepiece wall is slidably connected with the storage assembly, the bottom plate upper end
Multiple restriction slots for being used to fix the bridge plug connector are fixed with, the side wall of the bridge plug connector is equipped with and the restriction slot one
One corresponding restriction rotating plate, the rotating plate that limits pass through the side walls hinged of a runner assembly and the bridge plug connector, and described turn
Dynamic component is placed in the side wall of the bridge plug connector, and the restriction rotating plate is equipped with one to the inner sidewall of bridge plug connector inner cavity
Igniter.
The beneficial effects of the utility model are: this bridging device structure is simple, by the storage assembly of setting, by low melting point
Metal stores wherein, and is lighted a fire by igniter, after low-melting-point metal melting, can recycle bridge plug connector,
It repeatedly uses, economizes on resources；And by this bridging device, pit shaft can efficiently be sealed, low-melting-point metal is cold
But intensity height is hardly damaged after restoring solid-state.
Based on the above technical solution, the utility model can also do following improvement.
Further, the storage assembly includes being vertically arranged and the cylindrical tube of end sealing, the cylindrical tube
Opening be placed in the bridge plug connector to the bridge plug ontology, one is equipped in the cylindrical tube body perpendicular to the bottom plate
Pillar, the top of the pillar is fixedly connected with the roof of the cylindrical tube, the bottom end of the pillar and the bottom plate
Upper surface be fixedly connected, the bottom end of the cylindrical tube extends outwardly equipped with parcel shelf, and the parcel shelf is set in a ring
It is placed on the end of the cylindrical tube, in side wall of the parcel shelf far from the cylindrical tube and the bridge plug connector
Wall abuts, and the inner wall of the bridge plug connector is equipped with the more slide bars being vertically arranged, and the parcel shelf is equipped with and the slide bar
One-to-one sliding slot, the sliding bar are placed in the sliding slot.
Beneficial effect using above-mentioned further scheme is: facilitating and places thermit reaction agent, and is conducive to bridge plug connector energy
Enough it is recovered.
Further, the cylindrical tube is located at the top for limiting slot, is filled with fine sand in the cylindrical tube body.
Beneficial effect using above-mentioned further scheme is: being conducive to fine sand and flows out, pre-fixes to bridge plug ontology.
Further, the runner assembly includes shaft and driver, the one end at the shaft middle part and the restriction rotating plate
Face is fixedly connected, and the both ends rotation of the shaft is placed in the bridge plug connector side wall, and fixation is set in the bridge plug connector side wall
There is the driver for driving the shaft rotation.
Beneficial effect using above-mentioned further scheme is: being conducive to recycle bridge plug connector after control limits rotating plate rotation.
Further, the top of the bridge plug connector is equipped with power interface, and the power interface is connect by being placed in the bridge plug
Power supply line in head side wall is connected to the driver and the ignition power.
Beneficial effect using above-mentioned further scheme is: developing Of Remote Control Power realizes driving and igniting.
Further, the bottom end of the bridge plug connector is equipped with internal screw thread, and the top of the bridge plug ontology is equipped with and the bridge plug
The external screw thread of connector connection.
Beneficial effect using above-mentioned further scheme is: can be used for the use of different bridge plug ontologies under different environment.
Further, the top of the bridge plug connector is equipped with thread groove.
Beneficial effect using above-mentioned further scheme is: being conveniently placed and taken out bridge plug connector.
Detailed description of the invention
Fig. 1 is the utility model front section view；
Fig. 2 is the utility model slide assemblies structural schematic diagram；
Fig. 3 is the utility model bottom plate front view；
Fig. 4 is the utility model bottom plate top view；
Fig. 5 is the utility model runner assembly structural schematic diagram.
In attached drawing, parts list represented by the reference numerals are as follows:
1, bridge plug connector, 2, opening, 3, restriction slot, 4, restriction rotating plate, 5, parcel shelf, 6, pillar, 7, thermit reaction agent, 8,
Fine sand, 9, shaft, 10, driver, 11, power supply line, 12, power interface, 13, internal screw thread, 14, external screw thread, 15, thread groove, 16,
Bridge plug ontology, 17, bottom plate, 18, slide bar, 19, sliding slot, 20, igniter, 21, roof, 22, cylindrical tube.
Specific embodiment
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical
It is novel, it is not intended to limit the scope of the utility model.
As shown in Figure 1, a kind of low-melting-point metal pit shaft capping tools, the bridge plug connector 1 including bridge plug ontology 16 and interior sky,
Bridge plug ontology 16 is made of solid metal material, has the function being sealed to oil/gas well, and bridge plug connector 1 is mainly used for bridge
Plug body 16 is put into oil/gas well, and the side wall of bridge plug connector 1 is two layers of hollow structure, and two layers is stainless steel metal material system
At the bottom end of bridge plug connector 1 is equipped with an opening 2, and the bottom end of bridge plug connector 1 is equipped with one for closing the bottom plate 17 of opening 2, bridge plug
The bottom end of connector 1 is equipped with internal screw thread 13, and the top of bridge plug ontology 16 is equipped with the external screw thread 14 connecting with bridge plug connector 1；
It is equipped with storage assembly in bridge plug connector 1, storage assembly includes being vertically arranged and the cylindrical tube 22 of top closure,
The opening of cylindrical tube 22 is placed in bridge plug connector 1 to bridge plug ontology 16, and one is equipped in cylindrical tube 22 bottom of perpendicular to
The pillar 6 of plate 17, the top of pillar 6 are fixedly connected with the roof 21 of cylindrical tube 22, and the bottom end of pillar 6 is upper with bottom plate 17
End face is fixedly connected, and the bottom end of cylindrical tube 22 extends outwardly equipped with parcel shelf 5, and parcel shelf 5 is set to cylinder in a ring
On the end of shape cylinder 22, side wall of the parcel shelf 5 far from cylindrical tube 22 is abutted with the inner wall of bridge plug connector 1,5 top of parcel shelf
It is placed with thermit reaction agent 7, thermit reaction agent 7 is located between 1 inner wall of cylindrical tube 22 and bridge plug connector, thermit reaction agent 7
Including aluminium, di-iron trioxide and potassium chlorate, aluminium starts vigorous combustion releasing heat after encountering Mars, and cylindrical tube 22 is bismuth
Alloy is made, and fusing point is low, at melt liquid after by heat, reverts to solid-state after cooling, the inner wall of bridge plug connector 1 is equipped with
4 slide bars 18 slided up and down for bridge plug connector 1, parcel shelf 5 are equipped with and the one-to-one sliding slot 19 of slide bar 18, slide bar 18
It is slidably disposed in sliding slot 19, after pulling bridge plug connector 1, bridge plug connector is slided along 18 vertical direction of slide bar, and slide bar 18 is set
In sliding slot 19, bridge plug connector can be limited and rotated around axis direction；Cylindrical tube 22 is located at the top for limiting slot 3, cylindrical
Fine sand 8 is filled in cylinder 22, when bridge plug connector 1 slides, the fine sand 8 in cylindrical tube 22 flows out, and flows to bridge plug
Partition is fixed to bridge plug ontology 16 in ontology 16；
17 upper end of bottom plate is fixed with 4 for fixing the restriction slots 3 of bridge plug connector 1, the side wall of bridge plug connector 1 be equipped with
It limits slot 3 and limits rotating plate 4 correspondingly, limit a part for the side wall that rotating plate 4 is bridge plug connector 1, limit rotating plate 4 and pass through
One runner assembly is side walls hinged with bridge plug connector 1, and runner assembly includes shaft 9 and driver 10, and the both ends rotation of shaft 9 is set
In in 1 side wall of bridge plug connector, the middle part of shaft 9 is fixedly connected with the end face for limiting rotating plate 4, and the rotation of shaft 9 is able to drive
Limit rotating plate 4 around the shaft 9 axis rotation, the driver rotated for drive shaft 9 is fixed in 1 side wall of bridge plug connector
10, when fixing bridge plug connector 1, limit rotating plate 4 be located at limit slot 3 in, limit rotating plate 4 perpendicular to bridge plug connector 1 side wall,
When needing to slide taking-up bridge plug connector 1, the top of bridge plug connector 1 is equipped with power interface 12, and power interface 12 is by being placed in bridge
Power supply line 11 in plug 1 side wall of connector is connected to 10 power supply of driver, and the starting of driver 10 can be controlled by power supply, is driven
Shaft 9 rotates, and the rotation of shaft 9 drives the rotation for limiting rotating plate 4, so that limiting rotating plate 4 rotates vertical state, limits rotating plate 4
With the side wall the same face of bridge plug connector 1, bridge plug connector 1 is enabled to slide taking-up, limits rotating plate 4 to 1 inner cavity of bridge plug connector
Inside is equipped with an igniter 20, igniter 20 and 12 connector of power interface, controls igniter 20 by power supply and opens and closes, right
Thermit reaction agent 7 is lighted a fire, and heat is generated, and igniter 20 is common sparker on the market, passes through electric energy production
Spark；
The top of bridge plug connector 1 is equipped with thread groove 15, can be used for connecting the dress that bridge plug ontology 16 is put into pit shaft by tubing string etc.
It sets.
In use, by thermit reaction agent 7 is filled on the parcel shelf 5 in bridge plug connector 1, it is thin by being filled in cylindrical tube 22
Bridge plug ontology 16 and bridge plug connector 1 are connected through a screw thread, power on interface 12 with cable by sand 8, with tubing string by bridge plug sheet
Body 16 and bridge plug connector 1 are put into specific bit in pit shaft and postpone, and power on, and after driver 10 and igniter 20 power on, drive
The dynamic rotation of device 10 drives shaft 9 to rotate so that bridge plug connector 1 is separated with bottom plate 17, by tubing string or cable by bridge plug connector 1 to
There is gap along 18 upward sliding of slide bar at this time in upper pulling, bridge plug connector 1 between bridge plug connector 1 and bottom plate 17, fine sand 8 from
It is flowed out in cylindrical tube 22 on bottom plate 17, is flowed out around bridge plug connector 1 to bridge plug ontology 16 along bottom plate 17, it is carried out
It pre-fixes, when bridge plug connector 1 continues up, after igniter 20 is moved to the position filled with thermit reaction agent 7, continues
Spark is generated, so that thermit reaction agent 7 starts to burn, after releasing amount of heat with the burning of thermit reaction agent 7, by low melting point bismuth
22 melted by heating of cylindrical tube made of alloy is flowed at liquid to bottom plate 17, is flowed along bottom plate 17 to bridge plug ontology 16,
After flowing to bridge plug ontology 16, thermal loss, bismuth alloy restores solid-state, and bridge plug is fixed, realization sealing effect, and bridge
Plug connector 1 is drawn out pit shaft with cable and tubing string, reusable multiple.
The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, all in the utility model
Spirit and principle within, any modification, equivalent replacement, improvement and so on should be included in the protection model of the utility model
Within enclosing.
Claims (7)
1. a kind of low-melting-point metal pit shaft capping tools, which is characterized in that the bridge plug connector including bridge plug ontology (16) and interior sky
(1), the side wall of the bridge plug connector (1) is two layers of hollow structure, and the bottom end of the bridge plug connector (1) is equipped with an opening (2), institute
The bottom end for stating bridge plug connector (1) is equipped with one for closing the bottom plate (17) of the opening (2), the top of the bridge plug ontology (16)
It is connected through a screw thread with the bottom face of the bottom plate (17), storage assembly, the storage assembly is equipped in the bridge plug connector (1)
It is fixedly connected with the upper surface of the bottom plate (17), bridge plug connector (1) inner wall is slidably connected with the storage assembly, described
Bottom plate (17) upper end is fixed with multiple restriction slots (3) for being used to fix the bridge plug connector (1), the bridge plug connector (1)
Side wall is equipped with limits rotating plate (4) with the restriction slot (3) correspondingly, and the restriction rotating plate (4) passes through a runner assembly
Side walls hinged with the bridge plug connector (1), the runner assembly is placed in the side wall of the bridge plug connector (1), the restriction
Rotating plate (4) is equipped with an igniter (20) to the inner sidewall of bridge plug connector (1) inner cavity.
2. a kind of low-melting-point metal pit shaft capping tools according to claim 1, which is characterized in that the storage assembly packet
Include and be vertically arranged and the cylindrical tube of end sealing (22), the cylindrical tube (22) it is open to the bridge plug ontology
(16) be placed in the bridge plug connector (1), be equipped in the cylindrical tube (22) one perpendicular to the bottom plate (17) branch
Column (6), the top of the pillar (6) are fixedly connected with the roof (21) of the cylindrical tube (22), the bottom of the pillar (6)
End is fixedly connected with the upper surface of the bottom plate (17), and the bottom end of the cylindrical tube (22) extends outwardly equipped with parcel shelf
(5), the parcel shelf (5) is set in a ring on the end of the cylindrical tube (22), and the parcel shelf (5) is far from the circle
The side wall of column-shaped barrel (22) is abutted with the inner wall of the bridge plug connector (1), and the inner wall of the bridge plug connector (1) is equipped with more
The slide bar (18) being vertically arranged, the parcel shelf (5) are equipped with and the one-to-one sliding slot (19) of the slide bar (18), the cunning
Bar (18) is slidably disposed within the sliding slot (19).
3. a kind of low-melting-point metal pit shaft capping tools according to claim 2, which is characterized in that the cylindrical tube
(22) it is located at the top for limiting slot (3), is filled with fine sand (8) in the cylindrical tube (22).
4. a kind of low-melting-point metal pit shaft capping tools according to claim 1, which is characterized in that the runner assembly packet
Shaft (9) and driver (10) are included, is fixedly connected in the middle part of the shaft (9) with the end face for limiting rotating plate (4), described turn
The both ends rotation of axis (9) is placed in bridge plug connector (1) side wall, is fixed in bridge plug connector (1) side wall for driving
Move the driver (10) of the shaft (9) rotation.
5. a kind of low-melting-point metal pit shaft capping tools according to claim 4, which is characterized in that the bridge plug connector
(1) top is equipped with power interface (12), and the power interface (12) passes through the power supply that is placed in bridge plug connector (1) side wall
Line (11) is connected to the driver (10) and the igniter (20) power supply.
6. a kind of low-melting-point metal pit shaft capping tools according to claim 1-5, which is characterized in that the bridge
The bottom end for filling in connector (1) is equipped with internal screw thread (13), and the top of the bridge plug ontology (16) is equipped with to be connect with the bridge plug connector (1)
External screw thread (14).
7. a kind of low-melting-point metal pit shaft capping tools according to claim 1-5, which is characterized in that the bridge
The top for filling in connector (1) is equipped with thread groove (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821018386.9U CN208330271U (en) | 2018-06-28 | 2018-06-28 | A kind of low-melting-point metal pit shaft capping tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821018386.9U CN208330271U (en) | 2018-06-28 | 2018-06-28 | A kind of low-melting-point metal pit shaft capping tools |
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| Publication Number | Publication Date |
|---|---|
| CN208330271U true CN208330271U (en) | 2019-01-04 |
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ID=64785717
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821018386.9U Active CN208330271U (en) | 2018-06-28 | 2018-06-28 | A kind of low-melting-point metal pit shaft capping tools |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113137201A (en) * | 2021-04-29 | 2021-07-20 | 扬州工业职业技术学院 | Chemical method repairing device and method for petroleum casing pipe |
| CN113137200A (en) * | 2021-04-29 | 2021-07-20 | 扬州工业职业技术学院 | Chemical method repairing device for petroleum casing pipe |
| CN115874979A (en) * | 2022-12-22 | 2023-03-31 | 中国石油天然气集团有限公司 | Downhole plugging tool and downhole plugging method |
-
2018
- 2018-06-28 CN CN201821018386.9U patent/CN208330271U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113137201A (en) * | 2021-04-29 | 2021-07-20 | 扬州工业职业技术学院 | Chemical method repairing device and method for petroleum casing pipe |
| CN113137200A (en) * | 2021-04-29 | 2021-07-20 | 扬州工业职业技术学院 | Chemical method repairing device for petroleum casing pipe |
| CN113137201B (en) * | 2021-04-29 | 2023-01-24 | 扬州工业职业技术学院 | Petroleum casing chemical repair device and repair method |
| CN113137200B (en) * | 2021-04-29 | 2023-01-24 | 扬州工业职业技术学院 | Petroleum casing chemical repair device |
| CN115874979A (en) * | 2022-12-22 | 2023-03-31 | 中国石油天然气集团有限公司 | Downhole plugging tool and downhole plugging method |
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Address after: 610000 No.704, floor 7, building 1, No.167, Jinlu Second Road, Wuhou New Town Management Committee, Wuhou District, Chengdu City, Sichuan Province Patentee after: VERTECHS OIL & GAS TECHNOLOGY Co.,Ltd. Address before: 610000 No. 1-1, No. 1, No. 1, No. four, Wuhou District people south road, Chengdu, Sichuan Province, No. 1-1 24 layer 1-3 Patentee before: VERTECHS OIL & GAS TECHNOLOGY Co.,Ltd. |