CN206874250U - A kind of removing seal for packer device - Google Patents
A kind of removing seal for packer device Download PDFInfo
- Publication number
- CN206874250U CN206874250U CN201720697420.9U CN201720697420U CN206874250U CN 206874250 U CN206874250 U CN 206874250U CN 201720697420 U CN201720697420 U CN 201720697420U CN 206874250 U CN206874250 U CN 206874250U
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- valve rod
- travel switch
- isolation
- central tube
- leading screw
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Abstract
The utility model discloses a kind of removing seal for packer device, including packing element, packing element includes central tube and is coated on the deformation layer of central tube periphery, it is tightly connected between the deformation layer and central tube of central tube upper/lower terminal, a return flow line is additionally provided with central tube, one end of return flow line is communicated between deformation layer and central tube, and the other end is communicated to shoe cream room；The deblocking device also includes chamber body and the motor, shaft coupling, leading screw, the valve rod that are arranged in chamber body；Chamber body is connected with central tube.The utility model carries deblocking power, is unsealed using the energy of itself, should not bulky complex seating and sealing unit, it is cost-effective, deblocking controllability it is strong.
Description
Technical field
The utility model is related to a kind of removing seal for packer device, be applied to separated-zone water infection oil field, zonal testing, look for alter,
Along the deblocking device for the expanding packing altered.
Background technology
During oil extraction in oil field, in order to fully excavate reservoir potential, improve yield, generally require to carry out oil production by layer or
Water filling, packer must just be used by being layered.Or the seat deblocking mode of existing frequently-used packer be by above carrying or
Tubing string is rotated, otherwise it is to be suppressed by well head pump truck.Conventional deblocking mode is required for the deblocking device of bulky complex when unsealing,
It is or that working rig is pump truck；Suppress utilized during deblocking be all underground liquid, down-hole liquid is often containing silt etc.
Impurity, if impurity excessively often causes deblocking to fail；Further, since actual demand, packer sometimes need in well different positions
Put and repeatedly unsealed, the deblocking mode of existing packer may result in deblocking failure, can not be used for multiple times.
Utility model content
Complicated to solve existing deblocking device, deblocking mode may result in the problem of deblocking is failed, the present invention
Provide a kind of packer setting device simple in construction, controllability is strong.
The technical solution of the utility model is as follows：
A kind of removing seal for packer device, including packing element 17, packing element 17 include central tube 16 and are coated on the periphery of central tube 16
Deformation layer, be tightly connected between the deformation layer and central tube 16 of the upper/lower terminal of central tube 16, it is characterized in that：Center
A return flow line 18 is additionally provided with pipe 16, one end of return flow line 18 is communicated between deformation layer and central tube 16, and the other end connects
Pass to shoe cream room；The deblocking device also includes chamber body and the motor 2, shaft coupling 3, leading screw 6, the valve rod that are arranged in chamber body
11；Chamber body is connected with the central tube 16；The motor 2 is brushless electric machine, and the output shaft of motor 2 passes sequentially through shaft coupling 3
It is connected with leading screw 6 with valve rod 11, a hole is opened up in chamber body, valve rod 11 is stretched out by the hole, sealed between valve rod 11 and the hole；Electricity
The driving stem 11 of machine 2 moves up and down；It when valve rod 11 moves downward, can move at return flow line, block return flow line 18 to connect
It is logical；When valve rod 11 moves upwards, return flow line can be left so that return flow line 18 connects.
Further, chamber body includes motor set 1, connecting tube 10 and the valve rod base 14 being sequentially connected, and valve rod base 14 is with
Heart pipe 16 is connected；Motor 2 is arranged in motor set 1, and shaft coupling 3 and leading screw 6 are arranged in connecting tube 10；The valve rod 11 is pacified
On valve rod base 14, offer the first through hole coordinated with valve rod 11 on valve rod base 14, valve rod 11 and first through hole inwall it
Between be provided with sealing ring 13.
Further, unsealing device also includes what the first travel switch, the second travel switch and the first travel switch coordinated
First isolation and the second isolation coordinated with the second travel switch；First isolation and the second isolation are separately fixed at silk
The left and right sides of level joint 7, fixed position are one high and one low；First travel switch and the second travel switch are separately fixed at connecting tube
10 left and right sides, fixed position are one high and one low；The left and right sides of connecting tube 10 offers the second through hole, first isolation
Each extended over out with the second isolation outside two through holes, under the driving of motor 2, the first isolation and the second isolation are with silk
Level joint 7 can trigger corresponding travel switch during moving up and down.
Further, unsealing device also includes what the first travel switch, the second travel switch and the first travel switch coordinated
First isolation and the second isolation coordinated with the second travel switch；First travel switch and the second travel switch are fixed respectively
In the left and right sides of leading screw joint 7, fixed position is one high and one low；First isolation and the second isolation are separately fixed at connecting tube
10 left and right sides, fixed position are one high and one low；The left and right sides of connecting tube 10 offers the second through hole, and first stroke is opened
Close and the second travel switch is each extended over out outside two through holes, under the driving of motor 2, the first travel switch and the second stroke are opened
Close and can be triggered during being moved up and down with leading screw joint 7 by corresponding isolation.
Further, the second through hole is mounting hole.
Further, shaft coupling 3 is provided with safety pin 4.
Further, leading screw 6 is ball-screw.
Further, it is additionally provided with back-up ring 12 between the inwall of valve rod 11 and valve rod base 14.
Further, it is socketed with bearing 5 on the leading screw 6 of shaft coupling 3.
Further, brushless electric machine is direct current generator or alternating current generator.
The utility model has the advantages that：
1. the utility model carries deblocking power, unsealed using the energy of itself, should not bulky complex set dress
Put, cost-effective, deblocking controllability is strong；
2. need not be unsealed using down-hole liquid, effectively reduce and failure is unsealed caused by down-hole liquid has impurity
Risk, improve deblocking success rate；
3. it can reliably realize that diverse location of once going into the well repeatedly unseals；
4. deblocking is convenient, it can be realized in the short time and repeatedly set deblocking.
Brief description of the drawings
Electronic deblocking device structure sectional view when Fig. 1 is the utility model valve rod open mode；
Electronic deblocking device structure sectional view when Fig. 2 is the utility model valve rod closed mode；
Fig. 3 is the lateral partial structurtes sectional view that this Practical electric unseals device.
1- motor sets, 2- motors, 3- shaft couplings, 4- safety pins, 5- bearings, 6- leading screws, 7- leading screw joints, 8- isolations,
9- travel switches, 10- connecting tubes, 11- valve rods, 12- back-up rings, 13- sealing rings, 14- valve rod bases, 15- oil return pipes, 16- central tubes,
17- packing elements, 18- return flow lines.
Embodiment
Fig. 1 gives structural representation of the present utility model, mainly includes packing element 17, chamber body and is arranged in chamber body
Motor 2, shaft coupling 3, leading screw 6, valve rod 11；
Packing element 17 includes central tube 16 and is coated on the deformation layer of the periphery of central tube 16, the shape of the upper/lower terminal of central tube 16
It is tightly connected between change layer and central tube 16, a return flow line 18 is additionally provided with central tube 16, one end of return flow line 18 passes to
Between deformation layer and central tube 16, the other end is communicated to shoe cream room.
As shown in figure 3, chamber body includes motor set 1, connecting tube 10 and the valve rod base 14 being sequentially connected；Valve rod base 14 is with
Heart pipe 16 is connected；Motor 2 is arranged in motor set 1, and shaft coupling 3 and leading screw 6 are arranged in connecting tube 10；Valve rod 11 is arranged on
On valve rod base 14, the first through hole coordinated with valve rod 11 is offered on valve rod base 14, is set between valve rod 11 and first through hole inwall
There is sealing ring 13, back-up ring 12 be additionally provided between valve rod 11 and the inwall of valve rod base 14, ensure that reliable sealing of the present utility model,
Ensure that sealing ring 13 will not damage in the moving process of valve rod 11 simultaneously；Motor set 1 is connected by connecting tube 10 with valve rod base 14；The
One through hole connects with return flow line；Motor 2 is brushless electric machine, can use high temperature direct current generator；Wherein, motor set 1 and connecting tube
It is threadedly coupled between 10, between connecting tube 10 and valve rod base 14.
The output shaft of motor 2 is connected by shaft coupling 3 with leading screw 6, and the other end of leading screw 6 passes through leading screw joint 7 and valve rod
11 threaded connections；Safety pin 4 is provided with shaft coupling 3 can be effectively protected motor 2.Motor 2 drives leading screw 6 to rotate, leading screw 6
Driving stem 11 moves up and down；It when valve rod 11 moves downward, can move at return flow line, block the company of return flow line 18
It is logical；When valve rod 11 moves upwards, return flow line can be left so that return flow line 18 connects.
To improve transmission efficiency, leading screw 6 uses ball-screw；Leading screw 6 can be arranged in connecting tube 10 by bearing 5.Such as
Fig. 1, two isolations 8 are also equipped with leading screw joint 7, the stroke coordinated with isolation 8 is installed in connecting tube 10 and opened
Close 9；Travel switch 9 includes the first travel switch and the second travel switch, and isolation 8 includes the coordinated with the first travel switch
One isolation, the second isolation coordinated with the second travel switch；First isolation and the second isolation are separately fixed at leading screw
The left and right sides of joint 7, fixed position are one high and one low；First travel switch and the second travel switch are separately fixed at connecting tube 10
The left and right sides, fixed position is one high and one low；The left and right sides of connecting tube 10 offers the second through hole, first isolation and
Second isolation is each extended over out outside two through holes, and under the driving of motor 2, the first isolation and the second isolation are with leading screw
Joint 7 can trigger corresponding travel switch 9 during moving up and down.It is equally possible that travel switch 9 is arranged on leading screw
On joint 7, isolation 8 is arranged in connecting tube 10.
Deblocking mode of the present utility model is different from traditional approach, and packer carries electronic deblocking device in itself, and deblocking is dynamic
Power is inside device.During deblocking, motor 2, which is powered, to be rotated, and rotary motion is converted to linear motion by leading screw 6, drives valve
Bar 11 moves, and opens deblocking valve port, i.e. valve rod 11 travels upward and out return flow line, sets liquid from packing element 17 through return flow line
18, which flow back to shoe cream room, completes deblocking；During valve rod 11 moves up, when valve rod 11 is moved upwards up to 9, the travel switch in left side
When putting, the isolation 8 in left side triggers the travel switch 9 in left side, and motor 2 stops operating, and return flow line 18 connects (such as Fig. 1),
Valve port is opened completely, starts to unseal；Treat that deblocking finishes, motor 2 is inverted, and valve rod 11 is moved downward at return flow line, shutoff valve
Mouthful, block the connection (such as Fig. 2) of return flow line 18；When the isolation 8 on right side contacts with the travel switch 9 on right side, right side
Travel switch 9 triggers, and motor 2 stops operating, and valve port completely closes, and is prepared to set next time.
Claims (10)
1. a kind of removing seal for packer device, including packing element (17), packing element (17) includes central tube (16) and is coated on central tube
(16) the deformation layer of periphery, it is tightly connected between the deformation layer and central tube (16) of central tube (16) upper/lower terminal, its feature exists
In：
A return flow line (18) is additionally provided with central tube (16), the one end of return flow line (18) is communicated to deformation layer and central tube
(16) between, the other end is communicated to shoe cream room；
The deblocking device also includes chamber body and the motor (2), shaft coupling (3), leading screw (6), the valve rod that are arranged in chamber body
(11)；Chamber body is connected with the central tube (16)；
The motor (2) is brushless electric machine, and the output shaft of motor (2) passes sequentially through shaft coupling (3) and leading screw (6) and valve rod (11)
It is connected, a hole is opened up in chamber body, valve rod (11) is stretched out by the hole, sealed between valve rod (11) and the hole.
2. removing seal for packer device according to claim 1, it is characterised in that：The chamber body includes the electricity being sequentially connected
Mantle (1), connecting tube (10) and valve rod base (14), valve rod base (14) are connected with central tube (16)；Motor (2) is arranged on motor set
(1) in, shaft coupling (3) and leading screw (6) are arranged in connecting tube (10)；The valve rod (11) is arranged on valve rod base (14),
The first through hole coordinated with valve rod (11) is offered on valve rod base (14), sealing is provided between valve rod (11) and first through hole inwall
Enclose (13).
3. removing seal for packer device according to claim 2, it is characterised in that：The deblocking device also includes the first stroke
The first isolation and touched with the second travel switch coordinates second that switch, the second travel switch and the first travel switch coordinate
Send out piece；First isolation and the second isolation are separately fixed at the left and right sides of leading screw joint (7), and fixed position is one high and one low；
First travel switch and the second travel switch are separately fixed at the left and right sides of connecting tube (10), and fixed position is one high and one low；Even
The second through hole is offered at left and right sides of adapter (10), first isolation and the second isolation each extend over out two through holes
Outside, under the driving of motor (2), the first isolation and the second isolation can during being moved up and down with leading screw joint (7)
Trigger corresponding travel switch.
4. removing seal for packer device according to claim 2, it is characterised in that：The deblocking device also includes the first stroke
The first isolation and touched with the second travel switch coordinates second that switch, the second travel switch and the first travel switch coordinate
Send out piece；First travel switch and the second travel switch are separately fixed at the left and right sides of leading screw joint (7), fixed position one high one
It is low；First isolation and the second isolation are separately fixed at the left and right sides of connecting tube (10), and fixed position is one high and one low；Connection
The second through hole is offered at left and right sides of pipe (10), first travel switch and the second travel switch each extend over out two and led to
Outside hole, under the driving of motor (2), the first travel switch and the second travel switch are with leading screw joint (7) up and down motion process
In can be triggered by corresponding isolation.
5. the removing seal for packer device according to claim 3 or 4, it is characterised in that：Second through hole is mounting hole.
6. removing seal for packer device according to claim 5, it is characterised in that：The shaft coupling (3) is provided with safety pin
(4)。
7. removing seal for packer device according to claim 6, it is characterised in that：The leading screw (6) is ball-screw.
8. removing seal for packer device according to claim 7, it is characterised in that：The inwall of valve rod (11) and valve rod base (14)
Between be additionally provided with back-up ring (12).
9. removing seal for packer device according to claim 8, it is characterised in that：Covered on the leading screw (6) of shaft coupling (3)
It is connected to bearing (5).
10. removing seal for packer device according to claim 9, it is characterised in that：The brushless electric machine be direct current generator or
Alternating current generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720697420.9U CN206874250U (en) | 2017-06-15 | 2017-06-15 | A kind of removing seal for packer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720697420.9U CN206874250U (en) | 2017-06-15 | 2017-06-15 | A kind of removing seal for packer device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206874250U true CN206874250U (en) | 2018-01-12 |
Family
ID=61333787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720697420.9U Active CN206874250U (en) | 2017-06-15 | 2017-06-15 | A kind of removing seal for packer device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206874250U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112127826A (en) * | 2020-10-19 | 2020-12-25 | 西京学院 | Setting and unsealing mechanism for underground sealing short section |
-
2017
- 2017-06-15 CN CN201720697420.9U patent/CN206874250U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112127826A (en) * | 2020-10-19 | 2020-12-25 | 西京学院 | Setting and unsealing mechanism for underground sealing short section |
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