CN107558941A - Debris strainer in horizontal well well - Google Patents
Debris strainer in horizontal well well Download PDFInfo
- Publication number
- CN107558941A CN107558941A CN201710982771.9A CN201710982771A CN107558941A CN 107558941 A CN107558941 A CN 107558941A CN 201710982771 A CN201710982771 A CN 201710982771A CN 107558941 A CN107558941 A CN 107558941A
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- CN
- China
- Prior art keywords
- claw
- electromagnet
- support column
- support bar
- fixed
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- 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 discloses debris strainer in horizontal well well, including support column, multiple rectangular openings are provided with the side wall of support column, the bottom of support column is provided with multiple spacing holes being connected with each other with rectangular opening, the support bar of taper is fixed with the hollow cavity of support column, multiple claws are connected with the side wall upper hinge of support bar, electromagnet is connected by wire with external power source, and the magnet being engaged with electromagnet is provided with side of the claw close to support bar.Support column is slowly put into oil well, startup power supply simultaneously, so that electromagnet interacts with the magnet on claw, i.e. electromagnet produces the upper end for attracting to cause claw to magnet and inwardly bounced back around pin joint, and the other end of claw expands outwardly around pin joint, so that the inner space increase for the column grasping part that multiple claws are formed, that is, ensure that claw can be cleared up the debris of the whole inside of oil well, crushed stone, steel wire rope, cable rope etc..
Description
Technical field
The present invention relates to debris strainer in petroleum works field, in particular to horizontal well well.
Background technology
Some can be usually fallen into during oil well operation, in oil well influences the junk of operations and oil exploitation, and usually one
A little steel wire rope, cable, steel wire for logging etc. are elongated and object that body is soft, and these junks need pull out out of oil well in time, in order to avoid oil well
Block or damage equipment.Though the present rope instrument that drags for can pull rope form junk inside oil well out, efficiency is not only salvaged
It is low, and salvaging is not thorough enough, many things that drop tiny, that length is shorter are not easy to be salvaged, and cause the salvaging cycle also to extend.
The content of the invention
It is an object of the invention to provide debris strainer in horizontal well well, solves the conventional rope instrument that drags for and salvages
Efficiency is low, salvages halfway problem.
The purpose of the present invention is achieved through the following technical solutions：
Debris strainer in horizontal well well, include the support column of inner hollow, opened in the side wall of the support column
There are multiple rectangular openings, the bottom of support column is provided with multiple spacing holes being connected with each other with rectangular opening, in the hollow cavity of support column
The support bar of taper is fixed with, multiple claws are connected with the side wall upper hinge of the support bar；Also including buffer structure and admittedly
The electromagnet of supporting bar top is scheduled on, electromagnet is connected by wire with external power source, and in claw close to the side of support bar
On the magnet being engaged with electromagnet is installed, the buffer structure includes being fixed on the regulation ring of support bar lower end, is adjusting
Claw corresponding arc rubber blanket is installed on the outer circle wall of ring, and section is respectively fixed with the both ends of arc rubber blanket
For the elastic sheet metal of a quarter unit circle.During present invention work, rectangular opening forms L of the claw on support bar with spacing hole
Shape activity interval, support column is slowly put into oil well, while startup power supply so that electromagnet and the magnet on claw are mutual
Effect, i.e. electromagnet produce the upper end for attracting to cause claw to magnet and inwardly bounced back around pin joint, and the other end of claw is around hinge
Contact expands outwardly so that the inner space increase for the column grasping part that multiple claws are formed, that is, ensures that claw can be right
The whole internal debris, crushed stone, steel wire rope, cable rope etc. of oil well is cleared up；When the bottom of claw is placed in well
During bottom, the electric current being passed through in electromagnet changes so that attraction state of the electromagnet to magnet is changed into repulsion state, the upper end of claw
Start away from electromagnet, and its other end is then close at mast axis place to supporting, and then the debris in oil well etc. is entered
Enter the grasping part that multiple claws are formed, when claw inwall and spacing hole ends contact when, claw stops continuing to move to, and prevents
Only multiple claws excessively move and cause to be damaged each other；
Wherein, regulation ring is fixed on the lower end of support bar, and arc rubber blanket is fixed with its outer circle wall, in arc rubber
The both ends of rubber cushion are fixed with elastic sheet metal, after claw completes the clamping to debris, the inwall priority and elastic metallic of claw
Piece, the contact of arc rubber blanket, the buffering by elastic sheet metal to claw movement tendency so that the company between claw and support bar
Connect and be changed into being flexibly connected, avoid that serious collision occurs between claw and support bar, while avoid the bottom phase of multiple claws
Mutually hit and cause the debris in claw to be fallen because rocking, further improve and salvage effect.
Latch is fixed with the inner wall at end of the claw.Further to strengthen salvaging effect of the claw to debris, in card
Latch is installed on pawl, prevents debris from being dropped in uphill process is salvaged.
Also include connector, the connector is fixed on the top of support column and coordinated with the lowering or hoisting gear of outside.Connection
Head is used to be connected with the lowering or hoisting gear of outside, and the lowering or hoisting gear can be steel cable or draw bar, passes through steel cable or draw bar
Lifting will salvage the related debris of structure and remove together in oil well.
The present invention compared with prior art, has the following advantages and advantages：
Support column is slowly put into oil well by the present invention, while startup power supply so that electromagnet and the magnet on claw
Interaction, i.e. electromagnet produce the upper end for attracting to cause claw to magnet and inwardly bounced back around pin joint, and the other end of claw
Expanded outwardly around pin joint so that the inner space increase for the column grasping part that multiple claws are formed, that is, ensure claw energy
Enough debris, crushed stone, steel wire rope, cable rope etc. to the whole inside of oil well are cleared up；The present invention is further to add
Strong salvaging effect of the claw to debris, latch is provided with claw, prevents debris from being dropped in uphill process is salvaged.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, forms one of the application
Point, do not form the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is schematic structural view of the invention；
Fig. 2 is sectional view at Fig. 1 A；
Mark and corresponding parts title in accompanying drawing：
1- connectors, 2- support columns, 3- claws, 4- latches, 5- electromagnet, 6- rectangular openings, 7- support bars, 8- spacing holes,
9- magnet, 10- regulation rings, 11- arcs rubber blanket, 12- elastic sheet metals.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and accompanying drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment 1
As depicted in figs. 1 and 2, the present embodiment includes the support column 2 of inner hollow, is opened in the side wall of the support column 2
There are multiple rectangular openings 6, the bottom of support column 2 is provided with multiple spacing holes 8 being connected with each other with rectangular opening 6, the middle cavity of support column 2
The support bar 7 of taper is fixed with vivo, and multiple claws 3 are connected with the side wall upper hinge of the support bar 7；Also include buffering knot
Structure and the electromagnet 5 for being fixed on the top of support bar 7, electromagnet 5 are connected by wire with external power source, and in claw 3 close to branch
The magnet 9 being engaged with electromagnet 5 is installed, the buffer structure includes being fixed on the lower end of support bar 7 on the side of strut 7
Regulation ring 10, the arc rubber blanket 11 corresponding with claw 3 is installed on the outer circle wall of regulation ring 10, and in arc rubber
The both ends of pad 11 are respectively fixed with the elastic sheet metal 12 that section is a quarter unit circle；In the inner wall at end of the claw 3
It is fixed with latch 4；Multiple claws 3 are in a ring and array distribution is on support bar 7；Also include connector 1, the connector
1 is fixed on the top of support column 2 and coordinates with the lowering or hoisting gear of outside.
During present invention work, rectangular opening 6 forms L-shaped activity interval of the claw 3 on support bar 7 with spacing hole 8, will support
Post 2 is slowly put into oil well, while startup power supply so that electromagnet 5 interacts with the magnet on claw 3, i.e. electromagnet 5
The upper end for attracting to cause claw 3 is produced to magnet 9 inwardly to bounce back around pin joint, and the other end of claw 3 around pin joint to extending out
So that the inner space increase for the column grasping part that multiple claws 3 are formed, that is, ensure that claw 3 can be whole to oil well
The debris of individual inside, crushed stone, steel wire rope, cable rope etc. is cleared up；When the bottom of claw 3 is placed in shaft bottom, lead to
The electric current entered in electromagnet 5 changes so that attraction state of the electromagnet 5 to magnet 9 is changed into repulsion state, and the upper end of claw 3 is opened
Begin away from electromagnet 5, and its other end is then close to place where the axis of support column 2, and then so that debris in oil well etc. enters
Enter the grasping part that multiple claws 3 are formed, when the ends contact of the inwall and spacing hole 8 of claw 3, claw 3 stops continuing to move
It is dynamic, prevent multiple claws 3 each other excessive movement and cause to be damaged；Further to strengthen salvaging effect of the claw 3 to debris,
Latch 4 is installed on claw 3, prevents debris from being dropped in uphill process is salvaged；Multiple annular arrays of claw 3 are hinged on support bar
On 7 so that multiple claws 3 form a coniform grasping part, to ensure that claw 3 is completely clear to the debris in oil well
Reason；Wherein, regulation ring 10 is fixed on the lower end of support bar 7, and arc rubber blanket 11 is fixed with its outer circle wall, in arc rubber
The both ends of rubber cushion 11 are fixed with elastic sheet metal 12, after claw 3 completes the clamping to debris, inwall priority and the bullet of claw 3
Property sheet metal 12, arc rubber blanket 11 contact, the buffering by elastic sheet metal 12 to the movement tendency of claw 3 so that claw 3 with
Connection between support bar 7 is changed into being flexibly connected, and avoids that serious collision occurs between claw 3 and support bar 7, while avoid more
The bottom of individual claw 3 is mutually hit and causes the debris in claw 3 to be fallen because rocking, and is further improved and is salvaged effect.
Further, connector 1 is used to be connected with the lowering or hoisting gear of outside, and the lowering or hoisting gear can be steel cable or traction
Bar, the related debris of structure will be salvaged by the lifting of steel cable or draw bar and removed together in oil well.
Above-described embodiment, the purpose of the present invention, technical scheme and beneficial effect are carried out further
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., all should include
Within protection scope of the present invention.
Claims (3)
1. debris strainer in horizontal well well, include the support column (2) of inner hollow, it is characterised in that：In the support
Multiple rectangular openings (6) are provided with the side wall of post (2), the bottom of support column (2) is provided with multiple limits being connected with each other with rectangular opening (6)
Position hole (8), the support bar (7) of taper is fixed with the hollow cavity of support column (2), is cut with scissors in the side wall of the support bar (7)
Chain link has multiple claws (3)；Also include buffer structure and be fixed on the electromagnet (5) on support bar (7) top, electromagnet (5)
It is connected by wire with external power source, and is provided with side of the claw (3) close to support bar (7) and matches with electromagnet (5)
The magnet (9) of conjunction, the buffer structure includes being fixed on the regulation ring (10) of support bar (7) lower end, in the outer of regulation ring (10)
The arc rubber blanket (11) corresponding with claw (3) is installed in circumferential wall, and it is solid respectively at the both ends of arc rubber blanket (11)
Surely there is the elastic sheet metal (12) that section is a quarter unit circle.
2. debris strainer in horizontal well well according to claim 1, it is characterised in that：The end of the claw (3)
Latch (4) is fixed with the inwall of end.
3. according to a kind of underground fishing tool described in claim 1, it is characterised in that：Also include connector (1), the connector
(1) it is fixed on the top of support column (2) and coordinates with the lowering or hoisting gear of outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710982771.9A CN107558941A (en) | 2017-10-20 | 2017-10-20 | Debris strainer in horizontal well well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710982771.9A CN107558941A (en) | 2017-10-20 | 2017-10-20 | Debris strainer in horizontal well well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107558941A true CN107558941A (en) | 2018-01-09 |
Family
ID=60985916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710982771.9A Withdrawn CN107558941A (en) | 2017-10-20 | 2017-10-20 | Debris strainer in horizontal well well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107558941A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112834344A (en) * | 2021-01-18 | 2021-05-25 | 三峡大学 | Solid-liquid mixed magnetomotive lateral pressure instrument device and detection method |
-
2017
- 2017-10-20 CN CN201710982771.9A patent/CN107558941A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112834344A (en) * | 2021-01-18 | 2021-05-25 | 三峡大学 | Solid-liquid mixed magnetomotive lateral pressure instrument device and detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180109 |
|
| WW01 | Invention patent application withdrawn after publication |