CN108678700A - Fishing device - Google Patents
Fishing device Download PDFInfo
- Publication number
- CN108678700A CN108678700A CN201810872772.2A CN201810872772A CN108678700A CN 108678700 A CN108678700 A CN 108678700A CN 201810872772 A CN201810872772 A CN 201810872772A CN 108678700 A CN108678700 A CN 108678700A
- Authority
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- China
- Prior art keywords
- clamping
- pipe fitting
- fishing device
- drilling rod
- component
- 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.)
- Granted
Links
- 238000005553 drilling Methods 0.000 claims abstract description 59
- 210000000078 claw Anatomy 0.000 claims description 30
- 239000000725 suspension Substances 0.000 claims description 11
- 230000005484 gravity Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000010276 construction Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 230000002285 radioactive effect Effects 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 206010060904 Freezing phenomenon Diseases 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B31/00—Fishing for or freeing objects in boreholes or wells
- E21B31/12—Grappling tools, e.g. tongs or grabs
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Marine Sciences & Fisheries (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to the technical field of well logging, and discloses a fishing device which comprises a throwing piece, a clamping component and a fishing component which are all arranged in a drill rod. Clamping parts are arranged at two ends of the throwing piece; one end of the clamping component is clamped with the clamping part at one end of the throwing-in piece, and the other end of the clamping component is connected with a logging instrument; one end of the salvaging component is connected with the clamping part at the other end of the throwing component in a clamping way, and the other end of the salvaging component is connected with a cable. Put in the piece and drop into the drilling rod, under the effect of the self gravity of putting in the piece and mud, the one end and the joint subassembly joint of putting in the piece, when breaking down, when the drilling rod of least significant end can't be extracted, put in and salvage the subassembly, under the self action of gravity of salvaging subassembly and hawser, salvage the other end joint of subassembly and putting in the piece, upward carry the hawser, mention the earth's surface to logging instrument.
Description
Technical field
The present invention relates to logging technique field more particularly to a kind of fishing devices.
Background technology
Logger be it is a kind of in the borehole measure rock stratum, coal seam physical property profile and drilling technique situation special object
Instrument is visited, continuous scanning can be carried out to the borehole wall, can also transversal scanning be carried out to any level position, provide pit shaft and cut open vertically
The technical data such as face, horizontal section, pit shaft useful area, pit shaft deflection distance.Result of logging well can be direct by computer screen
It has been shown that, can also be provided by plotter printer, flexible and convenient to use.The use of logger can prevent pit shaft deflection, subtract
Few construction period, accelerates construction progress, it is ensured that construction quality, indirect economic effect is apparent, social benefit highly significant.
It needs to carry out hole to purpose reservoir during In Oil Field Exploration And Development, the relevant parameters such as ooze, satisfy and log well, so as to
Associated technical parameters are provided to rationally developing oil fields.With the development of In Oil Field Exploration And Development technology, drilling technology has considerable
, to meet the needs of difficult well, high angle hole, horizontal well and underbalance borehole logging tool, there is well logging skill in recent years in progress
Art and wire logging techniques.But well logging and wireline logging have implemented many difficulties, and construction cost is high, is easy
It is long to occupy drilling time for generation accident.
Currently in order to solving the above problems, have devised a kind of well logging release device, although this device than well logging and
Wireline logging implementation is simpler, and construction cost is also low.But when the accidents such as bit freezing occur, last a few section drilling rods of bottom can not pull out
Go out, logger can not recycle, and cause the waste of equipment, furthermore logger contains radioactive element more, be retained in meeting in well
Pollute underground environment.
Therefore, there is an urgent need for a kind of fishing devices, to solve the above technical problems.
Invention content
It is an object of the invention to propose a kind of fishing device, can salvage because failure can not be carried to the logging instrument of earth's surface
Device.
For this purpose, the present invention uses following technical scheme：
A kind of fishing device, including be set in drilling rod：
Part is launched, both ends are both provided with clamping portion；
Clip assembly, one end and the clamping portion of described dispensing part one end are clamped, and the other end is connected with logger；
Component is salvaged, one end is clamped with the clamping portion for launching the part other end, and the other end is connected with hawser.
Preferably, the clip assembly includes the first bailer grab, and the end set of first bailer grab has multiple first
Pawl head, the first pawl head can be clamped with the clamping portion.
Preferably, the salvaging component includes the second bailer grab, and the end set of second bailer grab has multiple second
Pawl head, the second pawl head can be clamped with the clamping portion.
Preferably, the clip assembly further includes the first clamping pipe fitting and is clamped the second card that pipe fitting is connected with described first
Jointed tubular workpieces, the one end of the second clamping pipe fitting far from the first clamping pipe fitting are connect with the logger, and described first
Bailer grab is set in the second clamping pipe fitting.
Preferably, first company for salvaging component and further including third clamping pipe fitting and being connected with third clamping pipe fitting
Fitting, one end that first connector is clamped pipe fitting far from the third are connect with the hawser, and second bailer grab is set
It is placed in the third clamping pipe fitting.
Preferably, the drilling rod includes common drilling rod and suspension drilling rod, and the upper and lower ends for hanging drilling rod connect equal
For the common drilling rod, the endoporus of the suspension drilling rod is the first stepped hole, the larger one end of the internal diameter of first stepped hole
Positioned at close to the side of well head.
Preferably, the fishing device further includes release component, and the release component includes release head, tube tee, cuts
Pin and claw are cut, the release head is set in first stepped hole, and one end is abutted with the cascaded surface of first stepped hole；
The tube tee is arranged in the release head, and the tube tee, which is fixed with the release head by the shear pin, to be connected
It connects, claw described in one end of the claw is provided with multiple third claw heads, which is set in the tube tee, the release
Buckling groove corresponding with the third claw is provided on the inner wall of head, the other end is connect with the first clamping pipe fitting.
Preferably, ball bumps are equipped in the middle part of the dispensing part, two clamping portions are respectively to the ball bumps
Both sides extend, the ball bumps can abut against the upper end of sealed tubular ball seat with the tube tee.
Preferably, the fishing device further includes sequentially connected upper suspender, bolster and lower suspender from top to bottom,
The one end of the upper suspender far from the bolster is connect with the second clamping pipe fitting, and the lower suspender is far from described slow
One end of stamping is connect with the logger.
Preferably, the clamping portion be located on it is described dispensing part on first clamping protrusion, the first pawl head it is interior
Side be provided with the matched second clamping protrusion of the first clamping protrusion, be provided on the inside of the second pawl head with it is described
The matched third clamping protrusion of first clamping protrusion.
Beneficial effects of the present invention are：In the present invention by launch part put into drilling rod, launch part its own gravity and
Under the action of mud, one end and clip assembly for launching part are clamped, when a failure occurs it, when the drilling rod of least significant end can not be extracted,
It launches and salvages component, in the case where salvaging the self gravitation effect of component and hawser, salvage component and be clamped with the other end for launching part, to
Logger, is mentioned earth's surface by upper lifting hawser.
Description of the drawings
Fig. 1 is sectional view when fishing device provided by the invention salvages logger；
Fig. 2 is sectional view when fishing device provided by the invention does not launch logger；
Fig. 3 is the partial enlarged view at A in Fig. 2；
Fig. 4 is sectional view when fishing device dispensing logger shear pin provided by the invention is not disconnected；
Fig. 5 is the partial enlarged view at B in Fig. 4；
Fig. 6 is that fishing device provided by the invention launches sectional view when logging well after logger；
Fig. 7 is the partial enlarged view at C in Fig. 6.
In figure：
11, common drilling rod；12, drilling rod is hung；13, backstop drilling rod；
2, part is launched；21, ball bumps；22, the first clamping protrusion；23, righting part；
3, clip assembly；31, the first clamping pipe fitting；32, the second clamping pipe fitting；33, the first bailer grab；331, the first pawl
Head；
4, component is salvaged；41, third is clamped pipe fitting；42, the first connector；43, the second bailer grab；431, the second pawl head；
51, release head；511, the first pipe fitting；5111, buckling groove；512, the second pipe fitting；52, tube tee；53, it shears
Pin；54, claw；
61, upper suspender；62, bolster；63, lower suspender；64, logger；65, plug；
71, weighted item；72, hawser.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
In well logging, bit freezing phenomenon inevitably occurs, causes drilling rod that can not extract, logger can not return
It receives, causes the waste of equipment, furthermore logger contains radioactive element, underground environment can be polluted by being retained in well more.
To solve this problem, as shown in Figure 1, present embodiment discloses a kind of fishing devices comprising drilling rod launches part
2, clip assembly 3, salvaging component 4 and release component.It launches part 2, clip assembly 3 and salvages component 4 and may be contained within the interior of drilling rod
In hole.The both ends for launching part 2 are both provided with clamping portion, and 3 one end of clip assembly and the clamping portion of the one end for launching part 2 are clamped, separately
One end is connected with logger 64.It salvages 4 one end of component and the clamping portion for the other end for launching part 2 is clamped, the other end is connected with
Hawser 72.
It launches 2 middle part of part and is equipped with ball bumps 21, two clamping portions extend to the both sides of ball bumps 21 respectively.Work as throwing
It puts part 2 to put into drilling rod, under the action of launching the gravity and mud of part 2 itself, launches the clamping portion and clamping of 2 one end of part
Component 3 is clamped.When a failure occurs it, it when the drilling rod of least significant end can not be extracted, launches and salvages component 4, salvaging component 4 and hawser
Under 72 self gravitation effect, salvages component 4 and be clamped with the clamping portion for launching 2 other end of part, lift hawser 72 upwards, well logging
Instrument 64 mentions earth's surface.
Drilling rod includes that suspension drilling rod 12, common drilling rod 11 and backstop drilling rod 13, the connector of three kinds of drilling rods are all consistent.Oil
It is suspension drilling rod 12 that the drilling rod of well has a section in bottom, and the upstream connection of suspension drilling rod 12 is common drilling rod 11, and backstop is bored
Bar 13 is located at lowermost end, and the centre for hanging drilling rod 12 and backstop drilling rod 13 is connected with the common drilling rod of at least one section 11.Common drilling rod
11 endoporus is the constant through-hole of diameter.The endoporus for hanging drilling rod 12 is the first stepped hole, and the larger one end of internal diameter is located at upper
Trip.The endoporus of backstop drilling rod 13 is third stepped hole, and the larger one end of internal diameter is located at upstream.
After drilling well is completed, need to log well.As shown in Figures 2 and 3, when original state, logger 64 is located at bottom brill
In the endoporus of bar, hang on suspension drilling rod 12, under the protection of drilling rod, under in oil well.Fishing device further includes release group
Part, upper suspender 61, bolster 62 and lower suspender 63.It includes release head 51, tube tee 52,53 and of shear pin to discharge component
Claw 54.Release head 51 includes the first pipe fitting 511 and the second pipe fitting 512 being fixedly connected with the first pipe fitting 511, the first pipe fitting
511 and second the first stepped hole that is respectively positioned on suspension drilling rod 12 of pipe fitting 512 the larger hole of internal diameter in, the first pipe fitting 511 is separate
One end of second pipe fitting 512 is abutted with the cascaded surface of the first stepped hole.Tube tee 52 is arranged in release head 51, tube tee
52 are fixedly connected with the second pipe fitting 512 by the shear pin 53 of the central axis setting perpendicular to drilling rod, in the present embodiment, shearing
The quantity of pin 53 is preferably two.
In order to ensure that leakproofness, the outside of the first pipe fitting 511 are equipped with seal groove, rubber seal are arranged in seal groove
Circle, rubber seal are interference fitted with the larger hole of the internal diameter of the first stepped hole.
One end of claw 54 is provided with multiple third claw heads, and the other end is provided with external screw thread.Claw 54 is provided with third claw
One end of head is sheathed on the outer surface of tube tee 52, and the other end is threadedly coupled with the internal thread of the first clamping pipe fitting 31, this
The quantity of third claw head is preferably four in embodiment, and internal projection and outer lug are respectively arranged with inside and outside third claw head.
The buckling groove 5111 that can be clamped with the outer lug of third claw head is provided on first pipe fitting 511.Tube tee 52
Periphery on be provided with the annular slot that can be clamped with internal projection.The endoporus of claw 54 is the second stepped hole, tube tee 52
The outer diameter of one end far from well head is smaller, which is located in the larger one end of the second stepped hole internal diameter.
When tube tee 52 is fixedly connected by shear pin 53 with the second pipe fitting 512, the outer lug of third claw head is located at
In buckling groove 5111, annular slot is located at the top of buckling groove 5111, and claw 54 is by the extruding of tube tee 52, claw at this time
54 occur flexible deformation to the direction of the first pipe fitting 511, and under the action of tube tee 52 and buckling groove 5111, claw 54 will not
It glides；When shear pin 53 is broken, tube tee 52 glides in the second pipe fitting 512 so that and annular slot is clamped with internal projection,
The flexible deformation of claw 54 is restored at this time, and outer lug is detached from buckling groove 5111, and then tube tee 52 and claw 54 are same at present
It is sliding.
Clip assembly 3 includes that the first clamping pipe fitting 31, second is clamped pipe fitting 32 and is set in the second clamping pipe fitting 32
First bailer grab 33.First clamping pipe fitting 31 and second is clamped pipe fitting 32 and is located in the endoporus of drilling rod, can be in the endoporus of drilling rod
Inside move up and down.First clamping pipe fitting 31 is threadedly coupled with the second clamping pipe fitting 32, and the first clamping pipe fitting 31 is located at the second clamping
The upstream of pipe fitting 32.
The outside of first clamping pipe fitting 31 is provided with seal groove, rubber seal, rubber seal are arranged on seal groove
The inner wall of circle and the second clamping pipe fitting 32 is interference fitted, it is ensured that the first clamping pipe fitting 31 and second is clamped the sealing of pipe fitting 32
Property.
The inside of the one end of the second clamping pipe fitting 32 far from the first clamping pipe fitting 31 is inwardly equipped with limit protrusion, first dozen
One end of fishing pawl 33 is abutted with limit protrusion, and the other end is provided with multiple first pawl heads 331, in the present embodiment, the first pawl head 331
Quantity be preferably four.The outer diameter of first pawl head 331 is more than the internal diameter of the first clamping pipe fitting 31, carries the first bailer grab 33 upwards
When, the first bailer grab 33 can drive the first clamping pipe fitting 31 to move upwards.
The one end of second clamping pipe fitting 32 far from the first clamping pipe fitting 31 is fixedly connected with one end of upper suspender 61, upper outstanding
The other end of pendant 61 is fixedly connected with one end of bolster 62, and the other end of bolster 62 and one end of lower suspender 63 are fixed
Connection, the other end of lower suspender 63 are fixedly connected with logger 64, and the other end of logger 64 is connect with plug 65.
When launching logger 64, bolster 62 can play cushioning effect, to protect logger 64.Plug 65
Logger 64 can be protected not touch rock and mortar etc. at lower section, play the role of protecting logger 64, then
The other end of person's plug 65 is tip, can play the role of trepanning.
As shown in Figure 4 and Figure 5, it launches 2 middle part of part and is equipped with ball bumps 21, two clamping portions are respectively to ball bumps 21
Both sides extend, the both ends for launching part 2 are equipped with the first clamping protrusion 22 outward, and the first clamping protrusion 22 is clamping portion.
The inside of first pawl head 331 be provided with 22 matched second clamping protrusion of the first clamping protrusion, the first pawl head 331 can be with
One end clamping of part 2 is launched, the both ends for launching part 2 are tip.Tip has the function of being oriented to.The top of tube tee 52
Inside is provided with chamfering, and ball bumps 21 can be abutted against with tube tee 52, the upper end of sealed tubular ball seat 52.
After drilling rod decentralization in place, part 2 will be launched and be invested in the endoporus of drilling rod, under launching part 2 under gravity
It falls.The lower end for launching part 2 passes through tube tee 52, the clamping pipe fitting 31 of claw 54 and first to enter the first bailer grab 33 later
Inside.Ball bumps 21 and the top surface of tube tee 52 abut against, larger due to launching 2 drop of part, in inertia force
Under the pressure of cement mortar, after the top surface of ball bumps 21 and tube tee 52 abuts against, launches part 2 and will continue to transport downwards
Dynamic, shear pin 53 is broken by shearing force.It is arranged with righting part 23 in the first half for launching part 2, righting part 23, which has to be oriented to, to be made
With balance when part 2 moves downward is launched in guarantee.
As shown in Figure 6 and Figure 7.After shear pin 53 is broken, fortune downwards can be continued together by launching part 2 and tube tee 52
Dynamic, during moving downward, the outer lug of the third claw head of claw 54 is located in the annular slot of tube tee 52, at this point, pipe
The bottom end of shape ball seat 52 is abutted with the cascaded surface of the endoporus of claw 54.
Later, it launches part 2 to will continue to move downward, to drive tube tee 52, claw 54, clip assembly 3, upper suspension
Part 61, bolster 62, lower suspender 63, logger 64 and plug 65 move downward, and plug 65, logger 64 is made to expose to
The outside of backstop drilling rod 13, one section of the aperture that the internal diameter of the third stepped hole of backstop drilling rod 13 is smaller are less than lower suspender 63
Outer diameter and the outer diameter for being more than logger 64, lower suspender 63 are abutted with the cascaded surface of third stepped hole, are bored in backstop by backstop
In bar 13.
Then start to log well, well logging carries drilling rod upwards after terminating, backstop drilling rod 13 can rise with logger 64.
With continued reference to Fig. 1, after well logging, when the drilling rod for bottom end of breaking down can not lift upwards, salvaging group is needed
Part 4 salvages logger 64.
Salvage component 4 include third clamping pipe fitting 41, the first connector 42 and be set in third clamping pipe fitting 41 the
Two bailer grabs 43.Third clamping pipe fitting 41 is fixedly connected with the first connector 42, and the first connector 42 is clamped pipe fitting far from third
41 one end is connect with hawser 72, and the inside of the one end of third clamping pipe fitting 41 far from the first clamping pipe fitting 31, which is inwardly equipped with, inclines
The first oblique stopper protrusion, 43 one end of the second bailer grab are abutted with the first connector 42, and the other end is provided with multiple second pawl heads
431, in the present embodiment, the quantity of the second pawl head 431 is preferably four.The end is clamped with the upper end for launching part 2, the second pawl head
431 outer diameter is more than the internal diameter of the first stopper protrusion.The inside of second pawl head 431 is provided with to be matched with the first clamping protrusion 22
Third clamping protrusion, so that the upper end of dispensing part 2 is located in the second bailer grab, with the second pawl head 431 clamping.It is salvaged to increase
The weight of component 4 is provided with weighted item 71 between hawser 72 and the first connector 42.
It is launched into the endoporus of drilling rod and salvages component 4, in the case where salvaging component 4 gravity of itself, salvage component 4 rapidly
It falls, the upper end of dispensing part 2 is made to be located in the second bailer grab 43.Lifting hawser 72 upwards, hawser 72 drive third to be clamped pipe fitting
41 move upwards, and the first stopper protrusion in third clamping pipe fitting 41 can drive the second bailer grab 43 to move upwards, and make second dozen
It drags for pawl 43 and is clamped with the upper end for launching part 2, to drive dispensing part 2 to move upwards, make the first bailer grab 33 and launch under part 2
End clamping, launching part 2 can drive the first bailer grab 33 to move upwards, since the internal diameter of the first clamping pipe fitting 31 is less than the first pawl head
331 outer diameter, the first bailer grab 33 can drive the first clamping pipe fitting 31 to move upwards, and the first clamping pipe fitting 31 can drive the second card
Jointed tubular workpieces 32, upper suspender 61, bolster 62, lower suspender 63 and logger 64 move upwards, thus by logger 64
It carries to earth's surface.
Note that above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The present invention is not limited to specific embodiments described here, can carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out to the present invention by above example
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
May include other more equivalent embodiments, and the scope of the present invention is determined by scope of the appended claims.
Claims (10)
1. a kind of fishing device, which is characterized in that including being set in drilling rod：
Part (2) is launched, both ends are both provided with clamping portion；
Clip assembly (3), one end are clamped with the clamping portion for launching part (2) one end, and the other end is connected with logging instrument
Device (64)；
Component (4) is salvaged, one end is clamped with the clamping portion for launching part (2) other end, and the other end is connected with hawser
(72)。
2. fishing device according to claim 1, which is characterized in that the clip assembly (3) includes the first bailer grab
(33), the end set of first bailer grab (33) has multiple first pawl heads (331), and the first pawl head (331) can be with
The clamping portion clamping.
3. fishing device according to claim 2, which is characterized in that the salvaging component (3) includes the second bailer grab
(43), the end set of second bailer grab (43) has multiple second pawl heads (431), the second pawl head (431) can with it is described
Clamping portion is clamped.
4. fishing device according to claim 2, which is characterized in that the clip assembly (3) further includes the first clamping pipe
Part (31) and the second clamping pipe fitting (32) being connected with the first clamping pipe fitting (31), the second clamping pipe fitting (32) are separate
One end of the first clamping pipe fitting (31) is connect with the logger (64), and first bailer grab (33) is set to described
In second clamping pipe fitting (32).
5. fishing device according to claim 3, which is characterized in that the salvaging component (4) further includes third clamping pipe
Part (41) and the first connector (42) being connected with third clamping pipe fitting (41), first connector (42) is far from described
One end of third clamping pipe fitting (41) is connect with the hawser (72), and second bailer grab (43) is set to the third clamping
In pipe fitting (41).
6. fishing device according to claim 4, which is characterized in that the drilling rod includes that common drilling rod (11) and suspension are bored
Bar (12), the upper and lower ends connection of the suspension drilling rod (12) is the common drilling rod (11), the suspension drilling rod (12)
Endoporus be the first stepped hole, the larger one end of the internal diameter of first stepped hole is located at close to the side of well head.
7. fishing device according to claim 6, which is characterized in that the fishing device further includes release component, described
It includes release head (51), tube tee (52), shear pin (53) and claw (54) to discharge component, and the release head (51) is set to
In first stepped hole, one end is abutted with the cascaded surface of first stepped hole；
The tube tee (52) is arranged in the release head (51), and the tube tee (52) is logical with the release head (51)
It crosses the shear pin (53) to be fixedly connected, one end of the claw (54) is provided with multiple third claw heads, which is set to described
In tube tee (52), buckling groove (5111) corresponding with the third claw is provided on the inner wall of the release head (51),
The other end is connect with the first clamping pipe fitting (31).
8. fishing device according to claim 7, which is characterized in that be equipped with ball bumps in the middle part of the dispensing part (2)
(21), two clamping portions extend to the both sides of the ball bumps (21) respectively, and the ball bumps (21) can be with institute
State the upper end that tube tee (52) abuts against sealed tubular ball seat (52).
9. fishing device according to claim 4, which is characterized in that the fishing device further includes connecting successively from top to bottom
Upper suspender (61), bolster (62) and the lower suspender (63) connect, the upper suspender (61) is far from the bolster (62)
One end connect with the second clamping pipe fitting (32), one end of the separate bolster (62) of the lower suspender (63) and institute
State logger (64) connection.
10. fishing device according to claim 3, which is characterized in that the clamping portion is to be located on the dispensing part (2)
On the first clamping it is raised (22), be provided on the inside of the first pawl head (331) and first clamping raised (22) match
The second clamping closed is raised, is provided on the inside of the second pawl head (431) matched with first clamping raised (22)
Third clamping protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810872772.2A CN108678700B (en) | 2018-08-02 | 2018-08-02 | Fishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810872772.2A CN108678700B (en) | 2018-08-02 | 2018-08-02 | Fishing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108678700A true CN108678700A (en) | 2018-10-19 |
| CN108678700B CN108678700B (en) | 2024-04-30 |
Family
ID=63816144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810872772.2A Active CN108678700B (en) | 2018-08-02 | 2018-08-02 | Fishing device |
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| CN (1) | CN108678700B (en) |
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| CN106368639A (en) * | 2016-09-21 | 2017-02-01 | 中国石油集团渤海钻探工程有限公司 | Fishing tool of turbine generator of logging-while-drilling instrument |
| CN208686341U (en) * | 2018-08-02 | 2019-04-02 | 吉艾（天津）石油工程有限公司 | A kind of fishing device |
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2018
- 2018-08-02 CN CN201810872772.2A patent/CN108678700B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5050682A (en) * | 1989-12-15 | 1991-09-24 | Schlumberger Technology Corporation | Coupling apparatus for a tubing and wireline conveyed method and apparatus |
| US20120048552A1 (en) * | 2010-08-30 | 2012-03-01 | Macdougall Tom | Method of using wired drillpipe for oilfield fishing operations |
| CN203201515U (en) * | 2013-04-24 | 2013-09-18 | 中国石油集团渤海钻探工程有限公司 | Underground fishing tool |
| CN105569598A (en) * | 2016-01-27 | 2016-05-11 | 西安威盛电子科技股份有限公司 | Repeated type electric fishing and releasing device and fishing and releasing method thereof |
| CN106368639A (en) * | 2016-09-21 | 2017-02-01 | 中国石油集团渤海钻探工程有限公司 | Fishing tool of turbine generator of logging-while-drilling instrument |
| CN208686341U (en) * | 2018-08-02 | 2019-04-02 | 吉艾（天津）石油工程有限公司 | A kind of fishing device |
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| CN108678700B (en) | 2024-04-30 |
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