CN208184694U - A kind of fishing tool - Google Patents
A kind of fishing tool Download PDFInfo
- Publication number
- CN208184694U CN208184694U CN201820732272.4U CN201820732272U CN208184694U CN 208184694 U CN208184694 U CN 208184694U CN 201820732272 U CN201820732272 U CN 201820732272U CN 208184694 U CN208184694 U CN 208184694U
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- hook
- screw tap
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Abstract
The utility model relates to drilling applications, disclose a kind of fishing tool, comprising: tool body pulls out hook, screw tap and at least one magnet；The tool body is hollow structure, and the lower end of the tool body has notch；The bottom side of the wall of the tool body is equipped with opening, and the connecting pin for pulling out hook can be rotatably set in the opening；The inner surface of the bottom side of the wall of the tool body is arranged in the magnet；The screw tap can be arranged in up or down in the tool body, and the working end of the screw tap is located at the top of the magnet.Fishing tool provided by the utility model has preferable salvaging effect, and drilling rod especially deeper to the embedment borehole wall salvages effect with preferable.Can also be according to the borehole wall and top hole diameter the case where, to select adjustment to pull out the length of hook and the diameter of tool body, to adapt to meet different wellbore structures.
Description
Technical field
The utility model relates to drilling applications, more particularly to a kind of fishing tool.
Background technique
It is drilling rod that tubulose in general drilling well, which falls into object,.Drilling rod is a kind of steel pipe of the tail portion with a chain for binding criminals line, is bored for connecting
Machine landscape apparatus and it is located at drilling well bottom end and bores mill equipment or bottom outlet device.The purposes of drilling rod is that drilling mud is transported to drill bit,
And bottom outlet device is improved, reduces or rotated together with drill bit.Drilling rod allow for bearing huge interior external pressure, distortion, bending and
Vibration.In the exploitation and extractive process of oil gas, drilling rod can be used for multiple times.But in drilling process, often due to the borehole wall
Unstable, rock stratum is collapsed, and drilling rod is imbedded in the borehole wall after fractureing, caused by accident in well.
Conventional drilling rod is salvaged means and is mainly had at present: expanding the diameter of well；Screw tap is connected using bent drill pipe；Alternatively, solid
Fixed pattern dials the methods of hook.
But existing drilling rod is salvaged means and is had the following disadvantages: carrying out drilling rod using the method for common reaming and beats
Fishing, the period is longer, and cost is very big.Since top hole diameter is small, the tripping in of larger size fishing tool is limited, if using conventional
Drilling rod salvage means, can only use small size fishing tool, be salvaged to burying into the deeper drilling rod of the borehole wall；But this
Kind of salvaging means are almost without effect, so that well section even full well in drilling well part be caused to scrap, generate great economic loss and
Construction delay.
Utility model content
(1) technical problems to be solved
The purpose of the utility model is to provide a kind of fishing tools, it is intended at least solve the prior art or deposit in the related technology
The technical issues of one of.
(2) technical solution
In order to solve the above-mentioned technical problem, the utility model provides a kind of fishing tool, comprising: tool body pulls out hook, silk
Cone and at least one magnet；The tool body is hollow structure, and the lower end of the tool body has notch；The tool
The bottom side of the wall of ontology is equipped with opening, and the connecting pin for pulling out hook can be rotatably set in the opening；The magnet is set
Set the inner surface in the bottom side of the wall of the tool body；The screw tap can be arranged in up or down in the tool body,
And the working end of the screw tap is located at the top of the magnet.
Wherein, the fishing tool, further includes: piston；The piston, which can slide up and down to, is fastened on the tool sheet
In vivo, and the lower surface of the piston is connected with the connecting pin of the screw tap.
Wherein, the fishing tool, further includes: transmission parts；Under one end of the transmission parts and the piston
Surface is connected, and the other end is connected with the connecting pin for pulling out hook, rotates for pulling out hook described in driving.
Wherein, the fishing tool, further includes: elastic element and fixed plate；The fixed plate can slide up and down to card
It is located in the tool body, passes through the elastic element phase between the lower surface of the piston and the upper surface of the fixed plate
Even, the lower surface of the fixed plate is connected with the connecting pin of the screw tap.
Wherein, the transmission parts include: rack gear；Multiple teeth are equipped with around the connecting pin for pulling out hook；The rack gear
Connecting pin be connected with the lower surface of the piston, the teeth on the rack gear are mutually nibbled with the teeth on the connecting pin for pulling out hook
It closes.
Wherein, the notch of the lower end of the tool body is inclination notch.
Wherein, the angle of the central axes of the inclined surface and tool body of the inclination notch is 30-60 °.
Wherein, described to pull out hook and the two sides for tilting notch and being symmetricly set on the tool body.
Wherein, the fishing tool, further includes: jointing；The upper end of the jointing and the tool body
It is connected.
(3) beneficial effect
A kind of fishing tool provided by the utility model, by the way that rotatable pull out is arranged in the bottom side of the wall of tool body
Screw tap moving up and down is arranged in hook in tool body；And it is equipped with notch in the lower end of tool body, and in the notch
Nearby it is equipped with magnet；It then when being salvaged to drilling rod, dials hook and is flared out, then slowly turning tool ontology clockwise, makes
Hook is dialled to transfer to the drilling rod being imbedded in drilling well to come；Boring bar head is under the suction of magnet, out of notch import tool ontology；This
When, thread making is carried out with screw tap alignment boring bar head, and then drilling rod is salvaged.There is the fishing tool preferable salvage to imitate
Fruit, drilling rod especially deeper to the embedment borehole wall have preferable salvaging effect；It can also be according to the feelings of the borehole wall and top hole diameter
Condition, to select adjustment to pull out the length of hook and the diameter of tool body, to adapt to meet different wellbore structures.
Detailed description of the invention
Fig. 1 is the half sectional view of the main view of a preferred embodiment of the utility model fishing tool；
Fig. 2 is half sectional view of the fishing tool shown in FIG. 1 along the direction A-A；
In figure, 1- jointing；2- tool body；3- piston；4- elastic element；5- fixed plate；6- screw tap；7- rack gear；
8- pulls out hook；9- magnet；10- connecting shaft；11- opening.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Example is not intended to limit the scope of the present invention for illustrating the utility model.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Fig. 1 shows a preferred embodiment of the utility model fishing tool, as depicted in figs. 1 and 2, the fishing tool
Include: tool body 2, pull out hook 8, screw tap 6 and at least one magnet 9；Tool body 2 is hollow structure, and under tool body 2
End has notch；The bottom side of the wall of tool body 2 is equipped with opening 11, and the connecting pin for pulling out hook 8 can be rotatably set in opening 11
Place；The inner surface of the bottom side of the wall of tool body 2 is arranged in magnet 9；Screw tap 6 can be arranged in up or down in tool body 2,
And the working end of screw tap 6 is located at the top of magnet 9.Then, screw tap 6 and the positional relationship of magnet 9 are as shown in Figure 1.
For example, the tool body 2 of fishing tool is hollow cylindrical body or hollow square cylinder etc..And in tool body
2 bottom side of the wall is equipped with opening 11, for example, the opening 11 extends radially through tool body 2 or the opening 11 is to tool sheet
The groove etc. of 2 inner recess of body；The connecting pin for pulling out hook 8 can be rotatably set at the opening 11, then pulling out hook 8 can be around pulling out
The junction of hook 8 and tool body 2 rotates.And at least one magnet is arranged in the inner surface of the bottom side of the wall in tool body 2
9, for example, three magnets are arranged along the axial of tool body 2 in the inner surface in the bottom side of the wall of tool body 2；For example, magnet 9
For strings of cash magnetic etc.；For example, the connection relationship of the two is to be fixedly connected or be detachably connected, if magnet 9 is detachably connected to tool
The inner surface of the bottom side of the wall of ontology 2 then can more conveniently separate magnet 9 from tool body 2, to carry out to magnet 9
Cleaning or replacement etc..And the lower end of tool body 2 has notch, then magnet 9 can be sucked the head for falling into object by the notch
In tool body 2.Screw tap 6, which can slide up and down to, to be arranged in tool body 2, for example, screw tap 6 is die nipple or female coupling tap；For example, can
Screw tap 6 is driven to slide up and down by external strength, then after it will fall into object head suction tool ontology 2, in rotation work
While having ontology 2, pushes screw tap 6 to move down to falling into object and carry out thread making, and then object will be fallen into and be connected on screw tap 6.
When falling into object using fishing tool salvaging tubulose, for example, it is drilling rod that the tubulose, which falls into object,；It then will first salvage work
Has the head position for falling drilling rod in tripping in drilling well；Then hook 8 will be pulled out to unscrew, for example, rotation pulls out hook 8 and makes itself and tool sheet
The side wall of body 2 is vertical；Then, turning tool ontology 2, for example, slow turning tool ontology 2 clockwise, in the rotation process,
Hook 8 is pulled out always in unscrewing state, then can be pulled out the drilling rod being imbedded in the borehole wall by pulling out hook 8；Later, boring bar head exists
Under the suction of magnet 9, it is sucked into tool body 2 from notch；Then, it pushes screw tap 6 to move down to make boring bar head
Button, i.e., boring bar head links together with screw tap 6；Later, hook 8 will be pulled out to screw off, if opening 11 extends radially through tool body 2,
And the size of opening 11 matches with the size for pulling out hook 8, then pulling out hook 8 can be screwed in tool body 2 by the opening 11.Finally,
Tool body 2 is above mentioned, then is connected to the drilling rod on screw tap 6 and is salvaged outside drilling well out together.
Further, fishing tool further include: piston 3；Piston 3, which can slide up and down to, to be fastened in tool body 2, and
The lower surface of piston 3 is connected with the connecting pin of screw tap 6.For example, 3 level of piston is fastened in tool body 2；Alternatively, piston 3 with
Horizontal plane is in a certain angle to be obliquely fastened in tool body 2 etc.；Regardless of tool body 2 is arranged in piston 3 in what manner
It is interior, guarantee that piston 3 can slide up and down in tool body 2.
Apply certain pressure by the part more than the upper surface of 2 inner piston 3 of tool body, piston 3 can be allowed to exist
Sliding in tool body 2；For example, the part more than the upper surface of 2 inner piston 3 of tool body is passed through certain mud, pass through
The pressure-driven piston 3 of mud moves in tool body 2.And piston 3 can prevent 2 inner piston 3 of mud entering tool ontology with
Under part, can also by drive piston 3 move down, and then drive screw tap 6 moved down in tool body 2.
And the connecting pin of screw tap 6 is connected to the lower surface of piston 3, for example, the connection relationship of the two is to be fixedly connected
Or it is detachably connected；For example, the connecting pin of screw tap 6 is threadedly coupled with the lower surface of piston 3, then can it is more convenient by screw tap 6 with
Piston 3 separates, and then screw tap 6 and/or piston 3 are cleaned, repaired and replaced.
Then the drilling rod being imbedded in drilling well is pulled out pulling out hook 8, and boring bar head import tool under the suction of magnet 9
After in ontology 2, continue that piston 3 is driven to move down, for example, continuing through upper table of the slush pump to 2 inner piston 3 of tool body
Part more than face is passed through mud；Then make piston 3 continue to move downward under the promotion of mud, so drive screw tap 6 towards
It is mobile towards the direction of boring bar head, after screw tap 6 is in contact with boring bar head, thread making can be carried out to boring bar head, in turn
Drilling rod and screw tap 6 are linked together.At this point, slush pump can be made to stop working, and hook 8 will be pulled out and screwed off.Then, by fishing tool
It above mentions, then salvages the drilling rod fallen into drilling well outside well.
Further, fishing tool further include: transmission parts；One end of transmission parts is connected with the lower surface of piston 3,
The other end is connected with the connecting pin for pulling out hook 8, pulls out hook 8 for drive and rotates.For example, the upper end of transmission parts and piston 3
Lower surface be fixedly connected or be detachably connected；Alternatively, transmission parts and the integrated molding of piston 3 etc..The lower end of transmission parts with
The connecting pin for pulling out hook 8 is connected, and pulls out hook 8 for driving and rotates, then by piston 3 move down drive transmission parts to
Lower movement, and then drive pulls out hook 8 and rotates, that is, transform linear motion can be the rotary motion for pulling out hook 8 by transmission parts.
That is, transmission parts move downward, then drives and pull out the unscrewing of hook 8 (being flared out that is, pulling out hook 8)；Transmission parts are transported upwards
Dynamic, then drive pulls out hook 8 and screws off and (inwardly withdraw that is, pulling out hook 8).As long as the component for meeting the driving principle can be used as driving section
Part pulls out hook 8 and rotates to drive；For example, transmission parts are rack-and-pinion or worm and gear etc..
Preferably, transmission parts include: rack gear 7；Multiple teeth are equipped with around the connecting pin for pulling out hook 8；The connecting pin of rack gear 7
It is connected with the lower surface of piston 3, the teeth on rack gear 7 are meshed with the teeth on the connecting pin for pulling out hook 8.For example, tool body 2
Bottom side of the wall on opening extend radially through tool body 2, then can pass through connecting shaft 10 (for example, connecting shaft 10 be pin shaft) will
Hook 8 is pulled out to connect with the side wall at opening 11；That is, connecting shaft 10, which runs through, pulls out the connecting pin of hook 8, and pulls out hook 8 and can be revolved around connecting shaft 10
Turn, and the both ends of connecting shaft 10 are connected with the side wall of opening respectively.
Then by driving piston 3 to move down and can move downward with carry-over bar 7, and then drives and be meshed with rack gear 7
Pull out the unscrewing of hook 8；Then the available hook 8 that pulls out extracts the drilling rod being imbedded in drilling well.When the Kelly Stubb that pulls out hook 8 and will be imbedded in drilling well
After out, the magnet 9 in tool body 2 will be in boring bar head suction tool ontology 2；At this point, continue that piston 3 is driven to move down,
Until the working end of screw tap 6 is in contact with boring bar head, after completion screw tap 6 is to the thread making of drilling rod, piston 3 can stop to moving down
It is dynamic.At this point, driving piston 3 is moved up and can be moved upwards with carry-over bar 7, and then drive is pulled out hook 8 and is screwed off.Then, it will salvage
Tool lifts, and can salvage the drilling rod in drilling well outside well.
Further, fishing tool further include: elastic element 4 and fixed plate 5；Fixed plate 5 can slide up and down to card and set
In tool body 2, it is connected between the lower surface and the upper surface of fixed plate 5 of piston 3 by elastic element 4, under fixed plate 5
Surface is connected with the connecting pin of screw tap 6.
Fixed plate 5 is set in the lower section of piston 3, and fixed plate 5 can slide up and down to and be fastened in tool body 2, for example,
The horizontal setting of fixed plate 5 is in tool body 2；Alternatively, fixed plate 5 is arranged horizontal by certain angle in tool body 2
It is interior.And can bucket cross fixed plate 5 and stablize position of the screw tap 6 in tool body 2.And elasticity is set between piston 3 and fixed plate 5
Element 4, for example, elastic element 4 is helical spring etc.；For example, the connection of the upper end of elastic element 4 and the lower surface of piston 3 is closed
System is to be fixedly connected, be detachably connected or only contact.For example, the upper surface of fixed plate 5 and the connection relationship of elastic element 4 are
It is fixedly connected, is detachably connected or only contacts.The lower surface of fixed plate 5 is connected with the connecting pin of screw tap 6, for example, fixed plate 5
Lower surface and the connection relationship of the connecting pin of screw tap 6 be to be fixedly connected, be detachably connected or be integrally formed；If piston 3 is consolidated
Fixed board 5, elastic element 4 and screw tap 6 are detachable, then can more conveniently divide piston 3, elastic element 4, fixed plate 5 and screw tap 6
From, and then piston 3, elastic element 4, screw tap 6 and/or fixed plate 5 are cleaned, repaired or replaced.
By the way that elastic element 4 is arranged between piston 3 and fixed plate 5, then piston 3 is pushed using mud in starting slush pump
It moves down, and during being moved down with carry-over bar 7, at this point, elastic element 4 can be compressed；When hook 8 is pulled out in the drive of rack gear 7
Unscrewing, and to pull out hook 8 for the drilling rod being imbedded in borehole wall extraction, suction of the boring bar head in magnet 9 by turning tool ontology 2
Under power after entering tool ontology 2；Continuing with mud pushes piston 3 to move down, since the pressure that elastic element 4 can be born has
Limit, can be such that fixed plate 5 and screw tap 6 moves down at this time, so that screw tap 6 carries out thread making to boring bar head, make mud again later
Stock pump stops working.At this point, using the elastic force of elastic element 4 itself, band piston 3 is moved upwards, so with carry-over bar 7 to
Upper movement then makes the drive of rack gear 7 pull out hook 8 and screws off to tool body 2.Then, fishing tool is lifted, it can will be in drilling well
Drilling rod salvage outside well.
Preferably, the notch of the lower end of tool body is inclination notch.Certainly, which is also possible to square breach, only
Want boring bar head can be by the way that in the notch import tool ontology 2, notch can be any form under the suction of magnet.
Preferably, the angle for tilting the inclined surface of notch and the central axes of tool body 2 is 30-60 °.The inclination notch is
The lower end edge straight line of tool body 2 is cut away into a part and is formed, and the straight line intersects with the central axes of tool body 2 and is in
Acute angle or obtuse angle.The angle of the inclined surface of the inclination notch and the central axes of tool body 2 is set as 30-60 °, then is pulling out hook 8
After boring bar head in drilling well is hooked, boring bar head more smoothly can be sucked into tool sheet from the inclination notch by magnet 9
In body 2, the salvaging efficiency of the fishing tool is improved.
And the two sides that hook 8 is symmetricly set on tool body 2 with inclination notch will be pulled out.Inclination notch inclined surface with
The angle of the central axes of tool body 2 is set as on the basis of 30-60 °, will pull out hook 8 and inclination notch is symmetricly set on tool body
2 two sides are then rotating clockwise tool body 2, and then drive and pull out during hook 8 rotates clockwise, and pulling out hook 8 will be in drilling well
Boring bar head hook after, under the suction of magnet 9, boring bar head can more smoothly from pull out hook 8 it is symmetrically arranged inclination lack
Mouth enters in tool body 2, and then improves the salvaging accuracy of fishing tool and salvage efficiency.
Further, fishing tool further include: jointing 1；Jointing 1 is connected with the upper end of tool body 2.Example
Such as, jointing 1 is to be detachably connected or be fixedly connected with the connection relationship of tool body 2；For example, the two is connected through a screw thread
Deng, that is, screw thread is set in the end of jointing 1, the screw thread to match is also provided in the upper end of tool body 2, can be realized
The threaded connection of jointing 1 and tool body 2.It then can be by the jointing 1 by entire fishing tool tripping in drilling rod head
Portion position, and then realize and accurately the drilling rod in drilling well is salvaged, improve the accuracy of salvaging.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (9)
1. a kind of fishing tool characterized by comprising tool body pulls out hook, screw tap and at least one magnet；
The tool body is hollow structure, and the lower end of the tool body has notch；
The bottom side of the wall of the tool body is equipped with opening, and the connecting pin for pulling out hook can be rotatably set in the opening
Place；
The inner surface of the bottom side of the wall of the tool body is arranged in the magnet；
The screw tap can be arranged in up or down in the tool body, and the working end of the screw tap is located at the magnet
Top.
2. fishing tool according to claim 1, which is characterized in that further include: piston；
The piston, which can slide up and down to, to be fastened in the tool body, and the company of the lower surface of the piston and the screw tap
End is connect to be connected.
3. fishing tool according to claim 2, which is characterized in that further include: transmission parts；
One end of the transmission parts is connected with the lower surface of the piston, and the other end is connected with the connecting pin for pulling out hook, uses
Hook is pulled out described in the drive to rotate.
4. fishing tool according to claim 2, which is characterized in that further include: elastic element and fixed plate；
The fixed plate, which can slide up and down to, to be fastened in the tool body, the lower surface of the piston and the fixed plate
It is connected between upper surface by the elastic element, the lower surface of the fixed plate is connected with the connecting pin of the screw tap.
5. fishing tool according to claim 3, which is characterized in that the transmission parts include: rack gear；
Multiple teeth are equipped with around the connecting pin for pulling out hook；The connecting pin of the rack gear is connected with the lower surface of the piston,
Teeth on the rack gear are meshed with the teeth on the connecting pin for pulling out hook.
6. fishing tool according to claim 1, which is characterized in that the notch of the lower end of the tool body is that inclination lacks
Mouthful.
7. fishing tool according to claim 6, which is characterized in that the inclined surface of the inclination notch and the tool sheet
The angle of the central axes of body is 30-60 °.
8. fishing tool according to claim 7, which is characterized in that the hook that pulls out is symmetricly set on the inclination notch
The two sides of the tool body.
9. fishing tool according to claim 1-8, which is characterized in that further include: jointing；The connection
Connector is connected with the upper end of the tool body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820732272.4U CN208184694U (en) | 2018-05-16 | 2018-05-16 | A kind of fishing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820732272.4U CN208184694U (en) | 2018-05-16 | 2018-05-16 | A kind of fishing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208184694U true CN208184694U (en) | 2018-12-04 |
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ID=64430748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820732272.4U Active CN208184694U (en) | 2018-05-16 | 2018-05-16 | A kind of fishing tool |
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| Country | Link |
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| CN (1) | CN208184694U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108678699A (en) * | 2018-05-16 | 2018-10-19 | 中国煤炭地质总局勘查研究总院 | A kind of fishing tool and its Refloatation method |
-
2018
- 2018-05-16 CN CN201820732272.4U patent/CN208184694U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108678699A (en) * | 2018-05-16 | 2018-10-19 | 中国煤炭地质总局勘查研究总院 | A kind of fishing tool and its Refloatation method |
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