CN206205846U - The anti-lost fisher that can be recycled - Google Patents
The anti-lost fisher that can be recycled Download PDFInfo
- Publication number
- CN206205846U CN206205846U CN201621263560.7U CN201621263560U CN206205846U CN 206205846 U CN206205846 U CN 206205846U CN 201621263560 U CN201621263560 U CN 201621263560U CN 206205846 U CN206205846 U CN 206205846U
- Authority
- CN
- China
- Prior art keywords
- outer barrel
- fixture block
- fisher
- slips
- top connection
- 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.)
- Active
Links
Abstract
The utility model is related to fisher technical field, is a kind of anti-lost fisher that can be recycled；It includes outer barrel, top connection, compression spring and slips；It is fixed together with outside the middle part of top connection in the upside of outer barrel；The bottom of top connection is provided with the dip section that can be stretched in outer barrel, and ring cavity is formed between dip section and outer barrel, and compression spring is provided with ring cavity；Slips is installed in the bottom of outer barrel.The utility model reasonable and compact in structure, it is easy to use；The elastic claw and fixture block of slips can capture the fishing head portion of leading, and with the increase of upper lifting force, it is more firm that fixture block is locked to fishing head, it is to avoid releases, and improve the reliability salvaged；This Grasp Modes, without slurry channel, it is to avoid erosion；And foreign materials away is not received during crawl, it is to avoid blocked portion in drilling tool, improves the success rate salvaged；After salvaging successfully, fishing head can be deviate from from slips, and junk is separated, and the utility model is circulated and be used for multiple times.
Description
Technical field
The utility model is related to fisher technical field, is a kind of anti-lost fisher that can be recycled.
Background technology
, it is necessary to carry out While-drilling borehole track detection using MWD (measurement while drilling) instrument in wellbore construction；Due to downhole card
The reasons such as brill by MWD instruments, it is necessary to salvage out ground, reduction loss；Although existing fisher can realize the purpose salvaged,
But generally existing：
1st, the slip mechanism of fisher is insecure, easily releases, poor reliability；
2nd, the slip mechanism of fisher is set on the outer wall, causes fisher external diameter larger, easy jam；
3rd, the outer wall mechanism of fisher and its internal slips have slurry channel, have different in long-time circulation or drilling tool inwall
Thing, step etc. be likely to result in the anti-block fisher slips that can be recycled release, erosion or even the asking of card of being hampered in drilling tool
Topic, causes to salvage instrument failure.
The content of the invention
The utility model provides a kind of anti-lost fisher that can be recycled, and overcomes the deficiency of above-mentioned prior art,
The slip mechanism that it can effectively solve existing fisher is insecure, the problem for easily releasing.
The technical solution of the utility model is realized by following measures：A kind of anti-lost salvaging that can be recycled
Device, including outer barrel, top connection, compression spring and slips；It is fixed together with outside the middle part of top connection in the upside of outer barrel；
The bottom of top connection is provided with the dip section that can be stretched in outer barrel, and ring cavity is formed between dip section and outer barrel, is installed in ring cavity
There is compression spring；Slips is installed in the bottom of outer barrel, the lower end of compression spring is against the top of slips；In slips bottom circle
At least two elastic claws for being in strip are distributed with week, the lower end of elastic claw is in inwardly to draw shape in, in each elastic claw
Lower end inside is respectively fixed with the fixture block that can be blocked the fishing head portion of leading, and formation internal diameter is less than and beats between the fixture block of circle distribution
Drag for the bayonet socket that header draws portion's external diameter；Fixture block being provided with the lower end inside of outer barrel and being oriented to land, fixture block is oriented to and internal diameter is formed in land
More than the salvaging mouthful that fishing head leads portion's external diameter, the upper surface that fixture block is oriented to land is interior scalene cone obliquely；Each fixture block
Lower surface inclines and is seated at the scalene cone bottom that fixture block is oriented to land.
Here is the further optimization and/or improvements to above-mentioned utility model technical scheme：
Fishing head supporting positive cover can be set between above-mentioned slips and compression spring；The top of fishing head supporting positive cover is located at ring cavity
It is interior, and can be rotated in ring cavity.
It is cylindrical in shape outside the top connection of above-mentioned outer barrel upper end, and it is consistent with the outside dimension of outer barrel.
Can be oblique and form up-narrow and down-wide taper introducing port in the lower surface of above-mentioned fixture block guiding land and outer barrel.
The above-mentioned bottom in dip section can be provided with conical limit groove.
External screw thread linkage section is provided with the middle part of above-mentioned top connection, spiral shell is provided with outer barrel upside corresponding with external screw thread linkage section
Line, is threadably secured with top connection middle part in the upside of outer barrel and links together；Or/and, it is provided with out in the top of top connection
The upward internal thread connecting hole of mouth.
The utility model reasonable and compact in structure, it is easy to use；The elastic claw and fixture block of slips can will salvage header
Draw portion's crawl, and with the increase of upper lifting force, it is more firm that fixture block is locked to fishing head, it is to avoid releases, and improves the reliability salvaged
Property；This Grasp Modes, without slurry channel, it is to avoid erosion；And foreign materials away is not received during crawl, it is to avoid and blocked portion in drilling tool, carry
The success rate that height is salvaged；After salvaging successfully, fishing head can be deviate from from slips, and junk is separated, and enable the utility model
Enough circulations are used for multiple times.
Brief description of the drawings
Accompanying drawing 1 is the utility model most preferred embodiment half-sectional structural representation of main view in a state of use.
Coding in accompanying drawing is respectively：1 is outer barrel, and 2 is top connection, and 3 is ring cavity, and 4 is compression spring, and 5 is slips, and 6 are
Elastic claw, 7 is fixture block, and 8 is that fixture block is oriented to land, and 9 is taper introducing port, and 10 is supporting positive cover, and 11 is internal thread connecting hole, 12
It is external screw thread linkage section, bar centered on 13,14 to lead portion, and 15 is conehead.
Specific embodiment
The utility model is not limited by following embodiments, can according to the technical solution of the utility model and actual conditions come
Determine specific embodiment.
In the utility model, for the ease of description, the description of the relative position relation of each part is according to specification
The Butut mode of accompanying drawing 1 is described, such as：The position relationship of upper and lower, left and right etc. is according to the Butut of Figure of description 1
Direction determines.
The utility model is further described with reference to embodiment and accompanying drawing：
As shown in Figure 1, the anti-lost fisher that this can be recycled includes outer barrel 1, top connection 2, compression spring 4 and slips
5；It is fixed together with outside the middle part of top connection 2 in the upside of outer barrel 1；The bottom of top connection 2 is provided with can stretch to outer barrel 1
Interior dip section, forms ring cavity 3 between dip section and outer barrel 1, compression spring 4 is provided with ring cavity 3；In the bottom of outer barrel 1
Slips 5 is inside installed, the lower end of compression spring 4 is against the top of slips 5；Being distributed with least two in the lower circumference of slips 5 is in
The elastic claw 6 of strip, the lower end of elastic claw 6 is fixed respectively inwardly in shape is drawn in the lower end inside of each elastic claw 6
There is the fixture block 7 that portion 14 can be led to block fishing head, internal diameter is formed between the fixture block 7 of circle distribution and leads portion 14 less than fishing head
The bayonet socket of external diameter；Fixture block being provided with the lower end inside of outer barrel 1 and being oriented to land 8, formation internal diameter is more than and salvages in fixture block guiding land 8
Header draws the salvaging mouthful of the external diameter of portion 14, and the upper surface that fixture block is oriented to land 8 is interior scalene cone obliquely；Each lower end of fixture block 7
Face inclines and is seated at the scalene cone bottom that fixture block is oriented to land 8.Elastic claw 6 and the energy of fixture block 7 that the utility model passes through slips 5
It is enough to lead portion 14 to capture fishing head, and during upper carrying, because compression spring 4 resets, promoting slips 5, elastic claw 6
And fixture block 7, while move down, bayonet socket is tightened up, the bayonet socket internal diameter after tightening up leads the external diameter of portion 14 less than fishing head, by fishing head
Lead the locking clamp of portion 14 in slips 5；And the pulling force of the fishing head being subject to the increase of upper lifting force, fixture block 7 is bigger, fixture block
Be oriented to land 8 scalene cone it is also bigger to the inward pressure of fixture block 7, it is ensured that the locking effect of fixture block 7, effectively prevent pine
It is de-, improve the reliability salvaged；As a result of such Grasp Modes, the utility model is without slurry channel, it is to avoid because
The erosion of the internal part for circulating and producing；Simultaneously as during salvaging, fishing head leads portion 14 all the time in slips 5, i.e.,
Make occur debris inside the anti-block fisher that can be recycled, fixture block 7 still effectively can draw portion 14 and limit to salvaging header
Position, it is to avoid blocked portion in drilling tool, improves the success rate salvaged；After salvaging, fishing head detach in mouth slips 5 by that can be salvaged
Come, the utility model is circulated and be used for multiple times.
The above-mentioned anti-lost fisher that can be recycled can be made further optimization and/or improvements according to actual needs：
As shown in Figure 1, fishing head supporting positive cover 10 is set between slips 5 and compression spring 4；Fishing head supporting positive cover 10
Top be located in ring cavity 3, and can rotate in the ring cavity 3.
Fishing head supporting positive cover 10 can carry the side force that fishing head leads portion 14, play fishing head centralizing function；Except this
Outside, fishing head supporting positive cover 10 can also avoid slips 5 from directly being contacted with fishing head, prevent slips 5 from directly being reversed by fishing head
Power（Fishing head is rotated and produced）And slips 5 is caused to damage, improve the service life of slips 5.
As shown in Figure 1, it is cylindrical in shape outside the top connection 2 of the upper end of outer barrel 1, and it is consistent with the outside dimension of outer barrel 1.This
Sample can reduce resistance, it is to avoid hung during above carrying and touch drilling tool inwall and produce jam, make salvaging more reliable, improve the success salvaged
Rate.
As shown in Figure 1, the lower surface of fixture block guiding land 8 and outer barrel 1 is oblique and forms up-narrow and down-wide taper importing
Mouth 9.
Taper introducing port 9 is not only easier to catch fishing head, and fishing head quickly can also be directed into slips 5,
Improve the success rate salvaged.
As shown in Figure 1, it is provided with conical limit groove in the bottom of dip section.Carried because the utility model is directed to underground
Used when the junk of fishing head is salvaged, and the top of portion 14 that leads of fishing head generally has conehead 15；In the utility model
Push be sitting in fishing head and lead portion 14 while, by conical limit groove is stuck on conehead 15 carry out it is spacing, it is to avoid rock.
As shown in Figure 1, for convenience of top connection 2 with salvage instrument string be connected, be provided with the top of top connection 2 be open to
On internal thread connecting hole 11.
As shown in Figure 1, for convenience of the dismounting between top connection 2 and outer barrel 1, the middle part of top connection 2 is provided with external screw thread company
Section 12 is connect, outer barrel corresponding with external screw thread linkage section 12 1 is provided with screw thread in upside, it is logical with the middle part of top connection 2 in the upside of outer barrel 1
Cross to be screwed and link together.
Above technical characteristic constitutes most preferred embodiment of the present utility model, and it has stronger adaptability and optimal implementation
Effect, can according to actual needs increase and decrease non-essential technical characteristic to meet the demand of different situations.
The salvaging process of the utility model most preferred embodiment：
The utility model is directed to when underground is salvaged with the junk of fishing head and uses；Fishing head includes center-pole 13
Portion 14 is led with the top of center-pole 13；
First, the utility model is threadingly attached to salvage instrument string bottom, and is transferred to well with instrument string is salvaged
Lower instrument string top fishing head position starts to salvage, and taper introducing port 9 is utilized during salvaging, and head is salvaged in guiding automatically to make outer barrel 1
Portion enters salvages mouth；When fishing head leads portion 14 to touch 7 bottom of fixture block, in the presence of instrument string deadweight is salvaged, upper top
The bottom of fixture block 7, is moved on slips 5, and compression spring 4 is shunk, and fixture block 7 is moved up along the upper end scalene cone that fixture block is oriented to land 8
Meanwhile, bayonet socket opens, and fishing head leads portion 14 to be headed into slips 5 through bayonet socket；After fishing head leads portion 14 to cross bayonet socket, slips 5 exists
Return in the presence of compression spring 4, the bottom bayonet of slips 5 inwardly draws in and encases fishing head center-pole 13；Now, salvaging is above proposed
Instrument string, fishing head is relative in slips 5 to be moved down, and when fishing head leads portion 14 to touch fixture block 7, fixture block 7 leads fishing head
The support of portion 14 is simultaneously spacing；When slips 5 is subject to the downhole instrument string upper lifting force upward to fishing head, fixture block 7 is in fixture block guide ring
The upper end oblique cone of platform 8 downwards and is tightened up, and the bayonet socket internal diameter after tightening up leads the external diameter of portion 14 less than fishing head, makes fishing head
The locking clamp of portion 14 is led in slips 5；Further by the upper lifting force for salvaging instrument string, fishing junk is gone out in well, completed
Fishing.
The utility model most preferred embodiment releases the process being connected with fishing head：
After fishing junk goes out well head, fixed downhole instrument string transfers the utility model, uses top slips instrument from salvaging mouth
Fishing head is pushed up, makes to be moved on slips 5, compression spring 4 is shunk, and then withstands fixture block 7 while slowly above carrying the utility model, is entered
And can the utility model separated with fishing head, in order to recycle.
Claims (10)
1. a kind of anti-lost fisher that can be recycled, it is characterised in that including outer barrel, top connection, compression spring and slips；Outward
It is fixed together with outside the middle part of top connection in the upside of cylinder；The bottom of top connection is provided with can stretch to stretching into outer barrel
Section, forms ring cavity between dip section and outer barrel, compression spring is provided with ring cavity；Slips is installed in the bottom of outer barrel,
The lower end of compression spring is against the top of slips；At least two elastic claws for being in strip, bullet are distributed with slips lower circumference
Property calvus lower end inwardly in draw in shape, being respectively fixed with the lower end inside of each elastic claw can lead portion's card by fishing head
Fixture block firmly, forms the bayonet socket that internal diameter leads portion's external diameter less than fishing head between the fixture block of circle distribution；In the lower end of outer barrel
Side is provided with fixture block and is oriented to land, and fixture block is oriented in land and forms the salvaging mouthful that internal diameter leads portion's external diameter more than fishing head, and fixture block is led
It is interior scalene cone obliquely to the upper surface of land；Each fixture block lower surface inclines and is seated at the scalene cone that fixture block is oriented to land
Bottom.
2. the anti-lost fisher that can be recycled according to claim 1, it is characterised in that between slips and compression spring
It is set with fishing head supporting positive cover；The top of fishing head supporting positive cover is located in ring cavity, and can be rotated in ring cavity.
3. the anti-lost fisher that can be recycled according to claim 1 and 2, it is characterised in that the top connection of outer barrel upper end
Outside is cylindrical in shape, and consistent with the outside dimension of outer barrel.
4. the anti-lost fisher that can be recycled according to claim 1 and 2, it is characterised in that fixture block is oriented to land and outer
The lower surface of cylinder is oblique and forms up-narrow and down-wide taper introducing port.
5. the anti-lost fisher that can be recycled according to claim 3, it is characterised in that fixture block is oriented to land and outer barrel
Lower surface tiltedly and form up-narrow and down-wide taper introducing port.
6. the anti-lost fisher that can be recycled according to claim 1 or 2 or 5, it is characterised in that the bottom of dip section
It is provided with conical limit groove.
7. the anti-lost fisher that can be recycled according to claim 3, it is characterised in that the bottom of dip section is provided with cone
Shape stopper slot.
8. the anti-lost fisher that can be recycled according to claim 4, it is characterised in that the bottom of dip section is provided with cone
Shape stopper slot.
9. the anti-lost fisher that can be recycled according to claim 1 or 2 or 5 or 7 or 8, it is characterised in that top connection
Middle part be provided with external screw thread linkage section, corresponding with external screw thread linkage section outer barrel is provided with screw thread in upside, in the upside of outer barrel and
Top connection middle part is threadably secured and links together；Or/and, the internal thread connection of opening upwards is provided with the top of top connection
Hole.
10. the anti-lost fisher that can be recycled according to claim 6, it is characterised in that be provided with outer in the middle part of top connection
Threaded connection section, screw thread is provided with outer barrel upside corresponding with external screw thread linkage section, logical with top connection middle part in the upside of outer barrel
Cross to be screwed and link together；Or/and, the internal thread connecting hole of opening upwards is provided with the top of top connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621263560.7U CN206205846U (en) | 2016-11-24 | 2016-11-24 | The anti-lost fisher that can be recycled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621263560.7U CN206205846U (en) | 2016-11-24 | 2016-11-24 | The anti-lost fisher that can be recycled |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206205846U true CN206205846U (en) | 2017-05-31 |
Family
ID=58750175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621263560.7U Active CN206205846U (en) | 2016-11-24 | 2016-11-24 | The anti-lost fisher that can be recycled |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206205846U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107859498A (en) * | 2017-11-21 | 2018-03-30 | 中国石油集团西部钻探工程有限公司 | Combined type fishing device |
| WO2021189837A1 (en) * | 2020-03-25 | 2021-09-30 | 深圳市工勘岩土集团有限公司 | Method for salvaging down-the-hole hammer drilling tool |
-
2016
- 2016-11-24 CN CN201621263560.7U patent/CN206205846U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107859498A (en) * | 2017-11-21 | 2018-03-30 | 中国石油集团西部钻探工程有限公司 | Combined type fishing device |
| WO2021189837A1 (en) * | 2020-03-25 | 2021-09-30 | 深圳市工勘岩土集团有限公司 | Method for salvaging down-the-hole hammer drilling tool |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206205846U (en) | The anti-lost fisher that can be recycled | |
| CN109025873B (en) | Full-automatic signaling rope coring drilling tool for deep hole inner pipe in place | |
| CN202866673U (en) | Clamping claw type release connector | |
| US2321245A (en) | Rat-hole swivel wrench | |
| CN206554816U (en) | A kind of colliery quick release and the drilling rod being connected | |
| CN105888594A (en) | Umbrella-type steel wire rope pushing device | |
| CN209818002U (en) | Fool type underground junk fishing tool | |
| CN207795081U (en) | A kind of mistake proofing retaining ring pipe | |
| US1754816A (en) | Sucker-rod socket | |
| CN211230430U (en) | Weighting hanging sleeve for logging instrument | |
| CN103775017B (en) | Device is dragged in a kind of Refloatation method and side used of disconnected bar | |
| CN202100224U (en) | Expansible instrument fishing collar | |
| CN213330898U (en) | Testing device in geological exploration hole of slurry pressure feed type horizontal directional drilling engineering | |
| RU157182U1 (en) | CATCHER OF A GEOPHYSICAL INSTRUMENT IN A WELL | |
| CN202125270U (en) | Safe spear blanking plug | |
| CN201184159Y (en) | Novel cable latch jack for fetching core with drill | |
| CN202788716U (en) | Downhole testing device casing pipe salvage tool | |
| CN219101288U (en) | Slip overshot for large-size fish | |
| CN201184158Y (en) | Novel latch jack capable of self-freeing to fetch core with drill | |
| CN204283245U (en) | A kind of directed support components support | |
| CN211008551U (en) | A test end cap for preventing logging instrument falls into well | |
| CN103573204A (en) | Fallen steel wire fisher passing through tapered string | |
| CN203515430U (en) | Internal falling object fisher for short pipe | |
| CN104533899B (en) | Rigid connector of offshore buoyancy tank system | |
| CN203188956U (en) | Taper-ball-shaped hole type drilling tool picking head |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201109 Address after: 100120 Beijing Xicheng District six laying Kang Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Xibu Drilling Engineering Co.,Ltd. Address before: 830026, the Xinjiang Uygur Autonomous Region Urumqi economic and Technological Development Zone, South Central Road No. 326 West drilling directional wells technical services company Patentee before: CNPC Xibu Drilling Engineering Co.,Ltd. |