CN106522866A - A fishing device - Google Patents
A fishing device Download PDFInfo
- Publication number
- CN106522866A CN106522866A CN201510587083.3A CN201510587083A CN106522866A CN 106522866 A CN106522866 A CN 106522866A CN 201510587083 A CN201510587083 A CN 201510587083A CN 106522866 A CN106522866 A CN 106522866A
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- CN
- China
- Prior art keywords
- shell
- fishing device
- electric drive
- drive source
- driving shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The invention provides a fishing device comprising a driver and a fishing unit. The driver comprises an electric driving source and an axially-extending transmission component connected with the electric driving source. The fishing unit comprises a taper rod and a fishing grab arranged on the outer side of the taper rod, wherein the fishing grab is configured to be capable of stretching or retreating when the taper rod moves axially, and the taper rod can be connected with the transmission component so that the taper rod can move axially by the action of the electric driving source. The fishing device is low in operation cost and can be used as a releasing device.
Description
Technical field
The present invention relates to oil gas technical field, and in particular to a kind of fishing device.
Background technology
It is difficult to avoid various down-hole accidents during oil-gas exploration and development, including trouble of lost tool in hole,
This is accomplished by special fishing tool to be processed in time.
In the prior art, often adopt for there is the fish of interior step or downhole tool to be salvaged at down-hole well end
Use mechanical type fishing tool.Thus, after fishing tool is sent to down-hole by tubing string, salvaging process needs
Kill-job is acted on, and effect cost is very high.
The content of the invention
For the above-mentioned technical problem in the presence of prior art, the present invention proposes a kind of fishing device.This dozen
Drag for device to be salvaged using electric energy, do not limited by kill-job, thus reduce running cost.Meanwhile, this dozen
Drag for device to use as releasing device.
According to the invention it is proposed that a kind of fishing device, which includes：
Driver, the transmission component for axially extending that driver is included electric drive source and is connected with electric drive source,
Fisher, fisher include the bailer grab in the outside bored bar and be arranged on cone bar, and bailer grab is configured in phase
For taper rod shaft to it is mobile when can open or shrink,
Wherein, bore bar can be connected with transmission component so that bore bar can electric drive source act under axially-movable.
In one embodiment, transmission component includes from first end to the second extreme direction is sequentially connected first being driven
Axle and second driving shaft, wherein, the first power transmission shaft is connected with electric drive source, and second driving shaft is connected with cone bar,
And the first power transmission shaft and second driving shaft threaded connection, limit the rotation of second driving shaft by limit assembly
Turn.
In one embodiment, also including the casing assembly being set on the outside of driver, and limit assembly includes
The holding tank of the axial direction being arranged on the inwall of casing assembly, and the energy being arranged on the outer wall of second driving shaft
Extend to the projection in holding tank.
In one embodiment, holding tank is configured to waist type groove, and projection is configured to what is matched with holding tank
Kidney piece.
In one embodiment, shaft coupling is set between the first power transmission shaft and electric drive source.
In one embodiment, casing assembly includes from the first extreme direction first be sequentially connected to the second extreme direction
Shell, second housing and the 3rd shell, wherein, the first shell is arranged on the outside of electric drive source, and second housing sets
Put on the outside of shaft coupling, the 3rd shell is arranged on the outside of second driving shaft and is coordinated with second driving shaft gap.
In one embodiment, equal sealing member is set between second housing and the first shell and the 3rd shell.
In one embodiment, the first end in electric drive source arranges the cable connection electrically connected with electric drive source
Part.
In one embodiment, the 4th shell is set at the second end of the 3rd shell, sets on the outer wall of the 4th shell
Elastic component is equipped with, the first end of elastic component is abutted with the 3rd shell, the second end of elastic component is connected with bailer grab.
In one embodiment, the limited step coordinated with bailer grab is set to limit on the outer wall of the 4th shell
Bailer grab is moved to the second extreme direction.
Compared with prior art, it is an advantage of the current invention that the fishing device can be by boring bar relative to bailer grab
Motion to realize opening or shrinking for bailer grab, bailer grab can be caused to salvage down-hole fish, and can also be passed through
Electric drive and realize bore bar relative to bailer grab motion, so as to avoid fishing device in prior art need pressure
Well operations, reduce running cost.Simultaneously as this fishing device can be realized salvaging by electrically driven (operated) mode
Pawl opens or shrinks, so as to instrument can be sent to down-hole as releasing device by this fishing device, moreover it is possible to real
Now give up.In addition, this fishing device simple structure.
Description of the drawings
The preferred embodiments of the present invention are described in detail below in conjunction with accompanying drawing, in figure：
Fig. 1 shows the structure chart of fishing device according to an embodiment of the invention；
Accompanying drawing is not drawn according to actual ratio.
Specific embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.
Fig. 1 shows fishing device 100 according to an embodiment of the invention.As shown in figure 1, fishing device 100
Including driver 1 and fisher 2.Wherein, driver 1 is included electric drive source 3 and is connected with electric drive source 3
The transmission component 4 for axially extending.Fisher 2 includes the salvaging in the outside bored bar 5 and be arranged on cone bar 5
Pawl 6.Cone bar 5 can be connected with transmission component 4, so that the axially-movable under the effect of electric drive source 3 of cone bar 5,
So as to realize opening or shrinking for bailer grab 6.
When down-hole has fish or other downhole tools, this fishing device 100 can be sent to down-hole, be salvaged
Pawl 6 is moved axially and is shunk relative to cone bar 5, so that the second end of bailer grab 6 and cone bar 5 enters into
In the inner core of fish or other downhole tools.Afterwards, bailer grab 6 is relative to cone 5 axially-movable of bar and radially opens
Open, so that bailer grab 6 is engaged with the interior step of fish or other downhole tools.Now, can be on ground
Fishing device 100 is pulled, fish or other downhole tools are hauled out.Also, during salvaging, if institute
Salvaged object because when the reason such as being blocked and cannot be salvaged, for avoid dragging for break and so that fishing device 100 also falls
Enter in well, then cone bar 5 can be driven to move by electric drive source 3 so that 6 radial contraction of bailer grab, above be carried
Fishing device 100, then can be by the second end of bailer grab 6 and cone bar 5 from fish or the inner core of other downhole tools
Middle proposition, to realize giving up.Now, fishing device 100 can be proposed.Thus, the fishing device 100 is not
Can only realize salvaging, it can also be ensured that give up, do not affect secondary fishing.In addition, having said structure
Fishing device 100 be also used as sending into releasing device, it is, on ground by the fishing device 100
Fisher 2 is sent in the inner chamber of the instrument with interior step, is opened bailer grab 6 and is coordinated with interior step, so
The instrument sent into will be needed to be sent in well by above carrying fishing device 100 afterwards, to after reservation position, using electricity
Driving source 3 drives cone bar 5 to move so that 6 radial contraction of bailer grab, above carries fishing device 100, then can be by
Fishing device 100 is proposed.Thus, this fishing device 100 can be used for salvaging and can be used for giving up, and keep away
Exempt from kill-job effect, reduce running cost.
In one embodiment, transmission component 4 includes from first end to the second extreme direction is sequentially connected first passing
Moving axis 12 and second driving shaft 13.Wherein, the first power transmission shaft 12 is connected with electric drive source 3, so that first
Power transmission shaft 12 is rotated together with the output shaft in electric drive source 3 under the effect of electric drive source 3.And second driving shaft
13 are connected with cone bar 5, are moved with band mantle bar 5.First power transmission shaft 12 and second driving shaft 13 are threadedly coupled,
And second driving shaft 13 limits the rotation of second driving shaft 13 by limit assembly 14.Set by this
Put, the first power transmission shaft 12 under the effect of electric drive source 3, as the output shaft in electric drive source 3 rotates, and the
Two power transmission shafts 13 also have the trend for following the first power transmission shaft 12 to rotate, and due to the restriction of limit assembly 14,
Second driving shaft 13 can not rotate but by the screw thread between the first power transmission shaft 12 and second driving shaft 13
Cooperation is moved vertically.It is, by said structure by the convert rotational motion in electric drive source 3 can be
The axial movement of second driving shaft 13.
In a preferred embodiment, fishing device 100 also includes being set on the shell on the outside of driver 1
Component 7.And limit assembly 14 includes the holding tank 15 of the axial direction being arranged on the inwall of casing assembly 7,
And the projection 16 that can be extended in holding tank 15 being arranged on the outer wall of second driving shaft 13.It is further excellent
Selection of land, holding tank 15 are configured to waist type groove, and projection 16 is configured to the kidney-shaped that matches with holding tank 15
Body.Thus, in 12 rotary course of the first power transmission shaft, holding tank 15 defines projection 16, so that the
Two power transmission shafts 13 can not follow the first power transmission shaft 12 to rotate.But, due to the axial dimension of holding tank 15 it is big
In the axial dimension of projection 16, then second driving shaft 13 can be relative to 12 axially-movable of the first power transmission shaft.
In order to ensure the connection between the output shaft in electric drive source 3 and the first power transmission shaft 12, in the first power transmission shaft
Shaft coupling 17 is set between 12 and the output shaft in electric drive source 3.By this arrangement ensure that the first power transmission shaft
12 and the connection in electric drive source 3.Meanwhile, this set also acts buffering, vibration damping and improves electric drive source 3
Output shaft and the first power transmission shaft 12 dynamic property effect.
In order to ensure the assembling of fishing device 100, from the first extreme direction to the second extreme direction, casing assembly
7 include the first shell 8, second housing 9, the 3rd shell 10 and the 4th shell 11 that are sequentially connected.Wherein,
First shell 8 is generally positioned on the outside of electric drive source 3, to protect electric drive source 3.Second housing 9 substantially sets
Put in the outside of shaft coupling 17, to protect shaft coupling 17, and contribute to the installation and connection of shaft coupling 17.The
Three shells 10 are arranged on the substantially outside of second driving shaft 13 and are coordinated with 13 gap of second driving shaft.
Preferably, sealing member 18 is respectively provided between second housing 9 and the first shell 8 and the 3rd shell 10.
Can prevent some magazines from entering in casing assembly 7 by this set, shell group is in preferably to protect
Shaft coupling 17 and miscellaneous part in part 7.
In one embodiment, cable connectors 19 are also set up in the first shell 8.Cable connectors 19 with
Electric drive source 3 electrically connects, to be powered as electric drive source 3 by cable connectors 19.And preferably, electricity
Driving source 3 is motor.Thus, powered for motor by cable connectors 19, to realize the rotating of motor
It is dynamic, so that second driving shaft 13 is advanced axially relative or retreats, to realize opening or shrinking for bailer grab 6.
4th shell 11 is fixedly connected with the 3rd shell 10, and the radial dimension of the 4th shell 11 is less than outside the 3rd
The radial dimension of shell 10, to form step 20 in both junctions.And arrange on the outer wall of the 4th shell 11
Flexible part 21.The first end of this elastic component 21 is connected at step 20, the second end of elastic component 21 with beat
Drag for pawl 6 to connect.By this set so that after bailer grab 6 is by from the second end to the power of the first extreme direction,
Elastic component 21 is compressed so that bailer grab 6 is moved to the first extreme direction, and promotes bailer grab 6 to shrink.
And the elastic force that the elastic component 21 being subject in bailer grab 6 gives more than bailer grab 6 be subject to from the second end to the
During the thrust of one extreme direction, under elastic force effect, bailer grab 6 is moved to the second extreme direction, to recover initial shape
State.
Preferably, elastic component 21 is spring.And spring is socketed on the outer wall of the 4th shell 11, spring
One end is abutted with step 20, and the other end of spring is connected with the handle of bailer grab 6.This structure setting is simple,
It is easily achieved.
During 100 use of fishing device, the deadweight of the instrument (such as fish) coordinated with bailer grab 6
Pulling force can be produced to spring, and in order to prevent spring failure, arrange on the outer wall of the 4th shell 11 and salvage
The limited step 22 that pawl 6 coordinates is moved to the second extreme direction with limiting bailer grab 6.By this setup
The deformation length of spring is defined, even bailer grab 6 is subject to very big pulling force, spring also not to fail, from
And ensure that the normal operation of fishing device 100.
Bailer grab 6 includes bailer grab head 23.Accordingly, bore bar 5 and there is cone head 24.Bailer grab head 23
It is arranged on the outer wall of cone head 24, and both inclined-planes coordinates, so that cone bar 5 is relative to bailer grab 6
During axial movement, bailer grab head 23 in cone head 24 rises or declines, and realizes opening for bailer grab head 23
And contraction.
Preferably, the free termination of head 24 is bored, that is, the second termination of cone head 24 is configured to section face
Product is being gradually reduced from the first extreme direction to the second extreme direction.By this set so that fishing device 100
Cone head 24 is easily extended in the inwall of instrument that is salvaged or being given up.
For example, when fishing being carried out using this fishing device 100, transfer fishing device 100, bore head
In 24 inner cores for extending to fish, and under gravity, the step in the inner core of fish acts on bailer grab
23 so that bailer grab head 23 is moved and shunk to the first extreme direction relative to cone head 24, so as to bailer grab
23 also extend in the inner core of fish.Afterwards, under spring force, bailer grab head 23 is relative to cone bar
24 to second extreme directions are moved and are opened, so as to be connected at the step of the inner core of fish.Now above can carry
Fish is proposed by fishing device 100 from down-hole.When fish cannot be salvaged by reasons such as cards, by electric drive
So that cone bar 5 is moved to the second extreme direction, now bailer grab head 23 shrinks, then relieve bailer grab head 23 with
The cooperation of the step of the inner core of fish, above carrying fishing device 100 can be given up, and not affect secondary salvaging.
Using this fishing device 100 carry out giving up operation when, ground exert a force cause bailer grab head 23 relative to
Cone bar 5 is moved axially, and bailer grab head 23 and cone head 24 are sent in the inner chamber of the instrument given up,
Under the resilient force of spring, bailer grab head 23 opens is matched somebody with somebody with the step surface with the inner chamber of the instrument given up
Close.Then, lift fishing device 100 the instrument given up is sent in well.In the process, due to
The action of gravity of the workpiece given up is on bailer grab head 23 so that bailer grab head 23 is tight with cone head 24
Coordinate the lifting safety to improve fishing device 100.After the instrument given up is sent in place, can pass through
Cone bar 5 is driven to move to the second extreme direction, now bailer grab head 23 shrinks, then can relieve bailer grab head
23 with the cooperation of instrument given up.Now, fishing device 100 can be proposed.
In the application, term " first end " is identical with the upper end when fishing device 100 is in down-hole, and uses
Language " the second end " is in opposite direction with " first end ", and with when fishing device 100 be in down-hole when lower end phase
Together.
The preferred embodiment of the present invention is the foregoing is only, but the scope of the present invention is not limited thereto, appointed
What those skilled in the art in technical scope disclosed by the invention can easily be changed or change, and
This being altered or varied should all be included within the scope of the present invention.Therefore, protection scope of the present invention should
It is defined by the protection domain of claims.
Claims (10)
1. a kind of fishing device, it is characterised in that include：
Driver, the biography for axially extending that the driver is included electric drive source and is connected with the electric drive source
Dynamic component,
Fisher, the fisher include the bailer grab in the outside bored bar and be arranged on the cone bar, the salvaging
Pawl is configured to when relative to the taper rod shaft to movement to open or shrink,
Wherein, the cone bar can be connected with the transmission component so that the cone bar can be acted in the electric drive source
Lower axially-movable.
2. fishing device according to claim 1, it is characterised in that the transmission component is included by
The first power transmission shaft and second driving shaft that one end is sequentially connected to the second extreme direction, wherein, first power transmission shaft
Be connected with the electric drive source, the second driving shaft with it is described cone bar be connected, and first power transmission shaft with
The second driving shaft threaded connection, limits the rotation of the second driving shaft by limit assembly.
3. fishing device according to claim 2, it is characterised in that also including being set in the driving
Casing assembly on the outside of device, and the limit assembly includes the axial direction that is arranged on the inwall of the casing assembly
Holding tank, and be arranged on the outer wall of the second driving shaft can extend to it is convex in the holding tank
Block.
4. fishing device according to claim 3, it is characterised in that the holding tank is configured to waist type
Groove, and the projection is configured to the kidney piece that matches with the holding tank.
5. fishing device according to claim 3, it is characterised in that in first power transmission shaft and institute
State and shaft coupling is set between electric drive source.
6. fishing device according to claim 5, it is characterised in that the casing assembly is included from
The first shell, second housing and the 3rd shell that one extreme direction to the second extreme direction is sequentially connected, it is wherein, described
First shell is arranged on the outside of the electric drive source, and the second housing is arranged on the outside of the shaft coupling, described
3rd shell is arranged on the outside of the second driving shaft and is coordinated with the second driving shaft gap.
7. fishing device according to claim 6, it is characterised in that the second housing with it is described
Sealing member is respectively provided between first shell and the 3rd shell.
8. the fishing device according to any one of claim 1 to 7, it is characterised in that in the electricity
The first end of driving source arranges the cable connectors electrically connected with the electric drive source.
9. fishing device according to claim 6, it is characterised in that the second of the 3rd shell
End arranges the 4th shell, is provided with elastic component on the outer wall of the 4th shell, the first end of the elastic component with
3rd shell is abutted, and the second end of the elastic component is connected with the bailer grab.
10. fishing device according to claim 9, it is characterised in that in the outer wall of the 4th shell
The limited step that upper setting is coordinated with the bailer grab is moved to the second extreme direction with limiting the bailer grab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510587083.3A CN106522866A (en) | 2015-09-15 | 2015-09-15 | A fishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510587083.3A CN106522866A (en) | 2015-09-15 | 2015-09-15 | A fishing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106522866A true CN106522866A (en) | 2017-03-22 |
Family
ID=58348635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510587083.3A Pending CN106522866A (en) | 2015-09-15 | 2015-09-15 | A fishing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106522866A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111810073A (en) * | 2020-07-13 | 2020-10-23 | 中国石油天然气集团有限公司 | Fishing device, control method and device, electronic equipment and storage medium |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1453493A (en) * | 1921-09-01 | 1923-05-01 | George F Cunningham | Fishing tool |
| CA2260196C (en) * | 1996-07-03 | 2005-03-29 | Weatherford/Lamb, Inc. | Apparatus and method for retrieving an object from a wellbore |
| CN200940458Y (en) * | 2006-08-07 | 2007-08-29 | 新疆石油管理局钻井工艺研究院 | Feeding fishing tool for branch well re-insert guide device |
| CN201024938Y (en) * | 2007-03-14 | 2008-02-20 | 中国海洋石油总公司 | A hydraulic pressure release and salvage tool |
| CN103382826A (en) * | 2013-08-13 | 2013-11-06 | 成都希能能源科技有限公司 | Releasing device |
| CN204175226U (en) * | 2014-10-20 | 2015-02-25 | 中国石油天然气股份有限公司 | Slips drags for lance |
| CN204386537U (en) * | 2014-12-31 | 2015-06-10 | 大港油田集团有限责任公司 | A kind of reversible drags for lance |
-
2015
- 2015-09-15 CN CN201510587083.3A patent/CN106522866A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1453493A (en) * | 1921-09-01 | 1923-05-01 | George F Cunningham | Fishing tool |
| CA2260196C (en) * | 1996-07-03 | 2005-03-29 | Weatherford/Lamb, Inc. | Apparatus and method for retrieving an object from a wellbore |
| CN200940458Y (en) * | 2006-08-07 | 2007-08-29 | 新疆石油管理局钻井工艺研究院 | Feeding fishing tool for branch well re-insert guide device |
| CN201024938Y (en) * | 2007-03-14 | 2008-02-20 | 中国海洋石油总公司 | A hydraulic pressure release and salvage tool |
| CN103382826A (en) * | 2013-08-13 | 2013-11-06 | 成都希能能源科技有限公司 | Releasing device |
| CN204175226U (en) * | 2014-10-20 | 2015-02-25 | 中国石油天然气股份有限公司 | Slips drags for lance |
| CN204386537U (en) * | 2014-12-31 | 2015-06-10 | 大港油田集团有限责任公司 | A kind of reversible drags for lance |
Non-Patent Citations (1)
| Title |
|---|
| 毛军: "提捞井笼统测试工艺技术研究", 《测井技术》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111810073A (en) * | 2020-07-13 | 2020-10-23 | 中国石油天然气集团有限公司 | Fishing device, control method and device, electronic equipment and storage medium |
| CN111810073B (en) * | 2020-07-13 | 2022-07-08 | 中国石油天然气集团有限公司 | Fishing device, control method and device, electronic equipment and storage medium |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20170322 |