CN206554855U - Sucker-rod fishing tool - Google Patents
Sucker-rod fishing tool Download PDFInfo
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- CN206554855U CN206554855U CN201720028810.7U CN201720028810U CN206554855U CN 206554855 U CN206554855 U CN 206554855U CN 201720028810 U CN201720028810 U CN 201720028810U CN 206554855 U CN206554855 U CN 206554855U
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- rod
- sucker
- fishing tool
- hole
- box cupling
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Abstract
The utility model discloses a kind of sucker-rod fishing tool, belong to petroleum gas field.The sucker-rod fishing tool includes：Joint (1)；The body of rod (2) being connected with the bottom of joint (1)；The box cupling lance seat (3) being connected with the outside of the middle part of the body of rod (2)；The guide shoe (4) being connected with the outside of box cupling lance seat (3)；Wherein, box cupling lance seat (3) is provided with first through hole (301), and aperture of the aperture more than the bottom of first through hole (301) of the upper end of first through hole (301)；The side of box cupling lance seat (3) is provided with the first groove (302), and first groove (302) connected with first through hole (301), the first side (3021) of the first groove is connected with the body of rod (2)；Guide shoe (4) is connected with the second side (3022) of the first groove and extends to the outer surface of the body of rod (1).The sucker-rod fishing tool that the utility model is provided has intensity height, the big feature of load, can realize activity unfreezing and back-off.
Description
Technical field
The utility model is related to petroleum gas field, more particularly to a kind of sucker-rod fishing tool.
Background technology
In oilfield development process, oil-well strata shakes out, wax deposition can all cause machine-pumped oil well oil pipe and sucker rod bit freezing, or
Oil pipe, rod parting are in sleeve pipe, it is necessary to be salvaged to sucker rod.And the difficulty that sucker rod is salvaged in sleeve pipe is larger,
Because the sucker rod in sleeve pipe can not realize make-up, therefore general sucker rod dipper can not be used.
Generally the sucker rod in sleeve pipe is salvaged using outer hook and loose-leaf dipper at present, its China and foreign countries' hook is main by shank
And the upward hook composition stretched installed in shank surface, it is mainly using in shank insertion sucker rod, and hook, which is scraped, to be dragged for
Sucker rod, then rotary sucker rod tubing string, sucker rod is wound on the bill of hook, is realized and is salvaged.
During the utility model is realized, designer has found that prior art at least has problems with：
After using outer hook, sucker rod is arrested, because the load of hook is inadequate, it is impossible to sucker rod is realized activity unfreezing and
, often there is the situation for salvaging sucker rod failure in back-off.
Utility model content
In order to which the load for solving hook in the prior art not enough can not realize that activity unfreezing and back-off are asked to sucker rod
Topic, the utility model embodiment provides a kind of sucker-rod fishing tool.The technical scheme is as follows：
There is provided a kind of sucker-rod fishing tool, the sucker-rod fishing tool includes：
Joint；
The body of rod being connected with the bottom of the joint；
The box cupling lance seat being connected with the outside of the middle part of the body of rod；
The guide shoe being connected with the outside of box cupling lance seat；
Wherein,
The box cupling lance seat is provided with first through hole, and the aperture of the upper end of the first through hole leads to more than described first
The aperture of the bottom in hole；
The side of the box cupling lance seat is provided with the first groove, and first groove is connected with the first through hole, institute
The first side for stating the first groove is connected with the body of rod；
The guide shoe is connected with the second side of first groove and extends to the outer surface of the body of rod.
Preferably, circular hole is set in the upper end of the joint, and has screw thread in the inner surface setting of the circular hole.
Preferably, the second through hole is set at the middle part of the joint, and second through hole is connected with the circular hole.
Preferably, the second groove, the first side insertion described the of first groove are set in the outside of the body of rod
In two grooves.
Preferably, the box cupling lance seat is attached using welding manner with the body of rod.
Preferably, internal thread is set in the bottom of the joint.
Preferably, external screw thread is set in the upper end of the body of rod.
Preferably, the bottom of the body of rod is shaped as taper.
Preferably, it is provided with chamfering on the inside of the bottom of the guide shoe.
The beneficial effect brought of technical scheme that the utility model embodiment is provided is：
By set in box cupling lance seat first through hole with different pore size and with first through hole connect it is first recessed
Groove, is not only convenient for fish (sucker rod) and enters in sucker-rod fishing tool, and enable sucker rod box cupling be stuck in first lead to
In the bottom in hole；By connecting guide shoe in the outside of box cupling lance seat, and the guide shoe extends to the outer surface of the body of rod, so as to be taken out
Beam hanger provides clamping force, it is ensured that sucker rod is entered in box cupling lance seat during salvaging without slipping；In addition, the sucker rod
Fishing tool has intensity height, the big feature of load, can realize activity unfreezing and back-off.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the utility model embodiment
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the structural representation for the sucker-rod fishing tool that the utility model embodiment is provided；
Fig. 2 is the structural representation for the box cupling lance seat that the utility model embodiment is provided；
Fig. 3 is the side structure schematic view for the sucker-rod fishing tool that the utility model embodiment is provided.
Wherein, it is as follows to each label declaration in accompanying drawing：
1 joint, 101 circular holes, 102 second through holes；
2 bodies of rod, 201 second grooves；
3 box cupling lance seats, 301 first through hole, 302 first grooves, the first side of 3,021 first grooves, 3,022 first grooves
Second side；
4 guide shoes.
Embodiment
It is new to this practicality below in conjunction with accompanying drawing to make the purpose of this utility model, technical scheme and advantage clearer
Type embodiment is described in further detail.
The utility model embodiment provides a kind of sucker-rod fishing tool, and as described in Figure 1, the fishing tool includes：Connect
First 1；The body of rod 2 being connected with the bottom of joint 1；The box cupling lance seat 3 being connected with the outside of the middle part of the body of rod 2；With box cupling lance seat 3
The guide shoe 4 of outside connection；Wherein, as shown in Fig. 2 box cupling lance seat 3 is provided with first through hole 301, and the upper end of first through hole 301
The aperture in portion is more than the aperture of the bottom of first through hole 301；The side of box cupling lance seat 3 is provided with the first groove 302, and first
Groove 302 is connected with first through hole 301, and the first side 3021 of the first groove is connected with the body of rod 2；Further, such as Fig. 3 institutes
Show, guide shoe 4 is connected with the second side 3022 of the first groove and extends to the outer surface of the body of rod 2.
The operation principle with regard to the sucker-rod fishing tool, which is given, below explains：
As shown in figure 1, the joint 1 of the sucker-rod fishing tool to be transferred to the sleeve pipe of oil well with being connected after tubing string connection
Interior, when sucker-rod fishing tool is to when reaching sucker rod position, oil pumping bar body is introduced into the first through hole of box cupling lance seat 3
In 301, as sucker-rod fishing tool is moved downward, the box cupling of sucker rod enters in first through hole 301 and is stuck in first and leads to
In the bottom in hole 301, along with guide shoe 4 gives rod collar offer clamping force, it is ensured that sucker rod is entered in box cupling lance seat 3
Without slipping, now, sucker rod can be salvaged to come by above carrying connection tubing string.
It will be appreciated by persons skilled in the art that in order that the box cupling of sucker rod can be stuck under first through hole 301
In end, the aperture of the bottom of first through hole 301 should be equal to or slightly less than the external diameter of rod collar.
It should be noted that because sucker rod is made up of the oil pumping bar body of different-diameter, and the sucker rod of different-diameter
Body is attached by box cupling (external diameter of box cupling is more than the external diameter of oil pumping bar body), in order to be able to effectively be clamped on box cupling
In box cupling lance seat 3, therefore before the sucker-rod fishing tool is transferred in the sleeve pipe of oil well, it should select and the oil pumping shank diameter phase
The sucker-rod fishing tool of matching, that is, select the aperture of the bottom of first through hole 301 on box cupling lance seat 3 to be slightly larger than sucker rod sheet
The sucker-rod fishing tool of the diameter of body.As shown in Fig. 2 the upper end of first through hole 301 in the utility model embodiment
Aperture is more than the aperture of the bottom of first through hole 301, is easy to the box cupling of major diameter to enter behind the bottom of first through hole 301
Be stuck without coming off, size of the utility model embodiment not to box cupling lance seat 3 carries out concrete restriction, be easy to operation and
Sucker rod in the oil well casing is carried out effectively to salvage.
It can be seen that, by set in box cupling lance seat 3 first through hole 301 with different pore size and with the phase of first through hole 301
First groove 302 of insertion, is not only convenient for fish (sucker rod) and enters in sucker-rod fishing tool, and make connecing for sucker rod
Hoop can be stuck in the bottom of first through hole 301；By connecting guide shoe 4 in the outside of box cupling lance seat 3, and the guide shoe 4 is extended to
The outer surface of the body of rod 2, so as to provide clamping force to sucker rod, it is ensured that sucker rod is entered in box cupling lance seat 3 during salvaging
Without slipping；In addition, the sucker-rod fishing tool has intensity height, the big feature of load, activity unfreezing and back-off can be realized.
Further, in practical operation, for the ease of fish (sucker rod) is salvaged to come, it is necessary to should out of sleeve pipe
The joint 1 of sucker-rod fishing tool is attached with being connected tubing string, and the utility model embodiment takes the mode of threaded connection will
The upper end of joint 1 is attached with being connected tubing string, facilitates the installation and dismounting of the sucker-rod fishing tool.Wherein, on joint 1
The concrete structure of end is：The upper end of joint 1 sets circular hole 101, and has screw thread in the inner surface setting of circular hole 101.
Further, as shown in figure 1, setting the second through hole 102 at the middle part of joint 1, and the second through hole 102 and circular hole
101 connections.The second through hole 102 positioned at the middle part of joint 1 can be described as hydrophthalmia, clear water is flowed out by connecting inside tubing string by hydrophthalmia
To sucker rod surface to wash down viscous crude, dirt, desilting above it etc., so as to lift salvaging efficiency.
Further, as shown in figure 1, setting the second groove 201 in the outside of the body of rod 2, it is easy to recessed by the first of hoop lance seat 3
The first side 3021 of groove is inserted in the second groove 201；Box cupling lance seat 3 is attached with the body of rod 2 using welding manner in addition,
To improve the bonding strength of box cupling lance seat 3 and the body of rod 2, it is to avoid occur the feelings that box cupling lance seat 3 departs from the body of rod 2 during salvaging
Condition.Size of the utility model embodiment not to the second groove 201 is limited, and the side of box cupling lance seat 3 is mounted to
Second groove 201 (i.e. the first side 3021 of the first groove is inserted into the second groove 201).
Further, in practical operation, the external diameter of sucker rod used in the oil well of different model is different, therefore in order to right
The sucker rod in sleeve pipe in the oil well of different model is salvaged, it is necessary to which various sizes of box cupling lance seat 3, that is, salvage a certain type
, it is necessary to connect the box cupling lance 3 corresponding with the sucker rod in the outside of the body of rod 2 during sucker rod corresponding to number oil well, and connect
Hoop lance seat 3 takes welding manner to be attached with the body of rod 2, it is impossible to individually box cupling lance seat 3 is changed, therefore can be to box cupling lance seat
3 and the body of rod 2 carry out integral replacing, for the ease of being changed to box cupling lance seat 3 with the body of rod 2, the utility model embodiment is adopted
The bottom of the body of rod 2 and joint 1 is attached with the mode of threaded connection, is specially spiral shell in being set in the bottom of joint 1
Line, external screw thread is set in the upper end of the body of rod 2.
Further, as shown in figure 1, the bottom of the body of rod 2 is shaped into taper, sucker-rod fishing tool is reduced
Resistance when descending, is easy to the body of rod 2 to move down to salvage sucker rod.
In practical operation, for the ease of introducing fish (sucker rod), chamfering is set in the inner side of the bottom of guide shoe 4,
This method is the method that those skilled in the art generally take, and is not elaborated herein.
Illustrate the course of work of the sucker-rod fishing tool by taking the blue or green western oil well of Yumen Oilfield as an example below：
Before using the sucker-rod fishing tool, carried out for the ease of operation and to the sucker rod in the oil well casing
Effectively salvage, the sucker-rod fishing tool is sized to：The external diameter of joint 1 is that 86mm, length are 300mm, circular hole 101
Aperture is 61mm, and the aperture of the second through hole 102 is 12mm；The external diameter of the body of rod 2 is that 61mm, length are 2000mm, and the body of rod 2 is shaped as
The bottom length of taper is 400mm, apart from the lower surface 600mm of the body of rod 2 at setting length be that 100mm, depth are 12mm's
Second groove 201；The external diameter of hoop lance seat 3 is that 60mm, length are 100mm, and the aperture of the upper and lower end of first through hole 301 is respectively
24mm and 18mm, and a length of 10mm in hole of the upper end of first through hole 301, the width of the first groove 302 is 18mm.
By above-mentioned sucker-rod fishing tool and external diameter be 61mm (number is 12) and external diameter is 73mm (number is 1)
The connection of connection tubing string after it is lower to estimated top of fish (sucker rod) position slow-speed decentralization, per next, connection tubing string, need to above propose judgement
Whether drag for and obtain, repeat, until sucker rod is entered in box cupling lance seat 3, carried if suspending weight increase should rotate in time, if not
Then back-off pulls out of hole for energy activity unfreezing, until sucker rod is salvaged out of sleeve pipe.
Slowly rotation can make sucker rod enter box cupling lance seat 3 to the instrument, drag for and obtain sucker rod (a diameter of 16mm-25mm)
Afterwards, activity unfreezing can above be carried with 180KN energetically, will not failed, if back-off can also be rotated by being unable to unfreezing.Wherein 2014
The well of Yumen Oilfield Qing Xi oil fields gallery 1 is successfully salvaged 12 times using the instrument, is dragged for and is obtained sucker rod 234；2015 and 2016 fraction of the year
It once can not successfully be dragged for using the instrument in Q2-37,3-7 well and obtain sucker rod, success rate is 100%.
Above-mentioned all optional technical schemes, can form the alternative embodiment of the disclosure, herein no longer using any combination
Repeat one by one.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in guarantor of the present utility model
Within the scope of shield.
Claims (9)
1. a kind of sucker-rod fishing tool, it is characterised in that the sucker-rod fishing tool includes：
Joint (1)；
The body of rod (2) being connected with the bottom of the joint (1)；
The box cupling lance seat (3) being connected with the outside of the middle part of the body of rod (2)；
The guide shoe (4) being connected with the outside of box cupling lance seat (3)；
The box cupling lance seat (3) is provided with first through hole (301), and the aperture of the upper end of the first through hole (301) is more than
The aperture of the bottom of the first through hole (301)；
The side of the box cupling lance seat (3) is provided with the first groove (302), and first groove (302) leads to described first
Hole (301) is connected, and the first side (3021) of first groove is connected with the body of rod (2)；
The guide shoe (4) is connected with the second side (3022) of first groove and extends to the outer surface of the body of rod (2).
2. sucker-rod fishing tool according to claim 1, it is characterised in that set in the upper end of the joint (1)
Circular hole (101), and have screw thread in the inner surface setting of the circular hole (101).
3. sucker-rod fishing tool according to claim 2, it is characterised in that set the at the middle part of the joint (1)
Two through holes (102), and second through hole (102) connects with the circular hole (101).
4. sucker-rod fishing tool according to claim 1, it is characterised in that set the in the outside of the body of rod (2)
Two grooves (201), the first side (3021) of first groove is inserted in second groove (201).
5. sucker-rod fishing tool according to claim 4, it is characterised in that the box cupling lance seat (3) uses welding side
Formula is attached with the body of rod (2).
6. sucker-rod fishing tool according to claim 1, it is characterised in that set in the bottom of the joint (1)
Internal thread.
7. sucker-rod fishing tool according to claim 6, it is characterised in that set in the upper end of the body of rod (2)
External screw thread.
8. sucker-rod fishing tool according to claim 1, it is characterised in that the shape of the bottom of the body of rod (2)
For taper.
9. sucker-rod fishing tool according to claim 1, it is characterised in that set on the inside of the bottom of the guide shoe (4)
It is equipped with chamfering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720028810.7U CN206554855U (en) | 2017-01-11 | 2017-01-11 | Sucker-rod fishing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720028810.7U CN206554855U (en) | 2017-01-11 | 2017-01-11 | Sucker-rod fishing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206554855U true CN206554855U (en) | 2017-10-13 |
Family
ID=60358708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720028810.7U Active CN206554855U (en) | 2017-01-11 | 2017-01-11 | Sucker-rod fishing tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206554855U (en) |
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2017
- 2017-01-11 CN CN201720028810.7U patent/CN206554855U/en active Active
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