Utility model content
The purpose of this utility model is that proposing a kind of fishing device, can salvage because failure can not be mentioned to the survey of earth's surface
Well instrument.
For this purpose, the utility model uses following technical scheme:
A kind of fishing device, including being set in drilling rod:
Part is launched, both ends are provided with clamping portion;
Clip assembly, one end and the clamping portion for launching part one end are clamped, and the other end is connected with logger;
Component is salvaged, one end and the clamping portion for launching the part other end are clamped, and the other end is connected with hawser.
Preferably, the clip assembly includes the first bailer grab, and the end of first bailer grab is provided with 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 of second bailer grab is provided with 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 second clamping pipe fitting are connect far from one end of the first clamping pipe fitting 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, first connector are connect far from one end of third clamping pipe fitting 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 of the suspension drilling rod connect equal
Inner hole for the common drilling rod, the suspension drilling rod is the first stepped hole, biggish one end of internal diameter of first stepped hole
Positioned at the side close to 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 and the release head connect by the way that the shear pin is fixed
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
Clamping 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
Two 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 is provided with the second clamping protrusion matched with the first clamping protrusion, be provided on the inside of the second pawl head with it is described
The third clamping protrusion that first clamping protrusion matches.
The utility model has the following beneficial effects: in the utility model by launch part put into drilling rod, launch part from
Under the action of body gravity and mud, the one end and clip assembly for launching part are clamped, and when a failure occurs it, the drilling rod of least significant end can not
It when extraction, launches and salvages component, in the case where salvaging the self gravitation effect of component and hawser, salvage component and launch the other end of part
Clamping, lifts hawser upwards, logger is mentioned earth's surface.
Detailed description of the invention
Fig. 1 is cross-sectional view when fishing device provided by the utility model salvages logger;
Fig. 2 is cross-sectional view when fishing device provided by the utility model does not launch logger;
Fig. 3 is the partial enlarged view in Fig. 2 at A;
Fig. 4 is cross-sectional view when fishing device dispensing logger shear pin provided by the utility model is not disconnected;
Fig. 5 is the partial enlarged view in Fig. 4 at B;
Fig. 6 is that fishing device provided by the utility model launches cross-sectional view when logging well after logger;
Fig. 7 is the partial enlarged view in Fig. 6 at C.
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, clamping 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 embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
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 be all set in the interior of drilling rod
In hole.The both ends for launching part 2 are 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.The clamping portion salvaged 4 one end of component and launch the other end of part 2 is clamped, and the other end is connected with
Hawser 72.
It launches and is equipped with ball bumps 21 in the middle part of part 2, two clamping portions extend to the two 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 launch the clamping portion clamping of 2 other end of part, hawser 72 is lifted 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
The drilling rod of well has a section for suspension drilling rod 12 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 11 of an at least section.Common drilling rod
11 inner hole is the constant through-hole of diameter.The inner hole for hanging drilling rod 12 is the first stepped hole, and the biggish one end of internal diameter is located at upper
Trip.The inner hole of backstop drilling rod 13 is third stepped hole, and the biggish 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 inner hole 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.Discharging component includes release head 51, tube tee 52,53 and of shear pin
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 pipe fitting 512 be respectively positioned on suspension drilling rod 12 the first stepped hole the biggish 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 guarantee leakproofness, the outside of the first pipe fitting 511 is equipped with seal groove, is arranged with rubber seal in seal groove
The biggish hole of the internal diameter of circle, rubber seal and the first stepped hole is interference fitted.
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 screw thread of the first clamping pipe fitting 31, this
The quantity of third claw head is preferably four in embodiment, is respectively arranged with internal projection and outer lug inside and outside third claw head.
The clamping 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 can with internal projection be clamped annular slot.The inner hole 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 second biggish one end of 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 clamping groove 5111, annular slot is located at the top of clamping groove 5111, at this time extruding of the claw 54 by tube tee 52, claw
54 occur flexible deformation to the direction of the first pipe fitting 511, and under the action of tube tee 52 and clamping 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 annular slot and internal projection are clamped,
The flexible deformation of claw 54 is restored at this time, and outer lug and clamping groove 5111 are detached from, and then tube tee 52 and claw 54 are the same as 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 the second clamping pipe fitting 32 are located in the inner hole of drilling rod, can be in the inner hole 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 sealing of the first clamping pipe fitting 31 and the second clamping 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 retention bead, and first dozen
One end of fishing pawl 33 is abutted with retention bead, 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 greater than the internal diameter of the first clamping pipe fitting 31, mentions the first bailer grab 33 upwards
When, the first bailer grab 33 is able to drive the first clamping pipe fitting 31 and moves upwards.
Second clamping pipe fitting 32 is fixedly connected far from one end of the first clamping pipe fitting 31 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 buffer function, 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 aperture.
As shown in Figure 4 and Figure 5, it launches in the middle part of part 2 and is equipped with ball bumps 21, two clamping portions are respectively to ball bumps 21
Two 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 is provided with the second clamping protrusion matched with the first clamping protrusion 22, and 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 guiding.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 inner hole of drilling rod, under launching part 2 under gravity
It falls.The lower end for launching part 2 passes through tube tee 52, claw 54 and the first clamping pipe fitting 31 and enters 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 slurry, after the top surface of ball bumps 21 and tube tee 52 abuts against, launching part 2 will continue to transport downwards
Dynamic, shear pin 53 is broken by shearing force.It is arranged with righting part 23 in the upper half for launching part 2, there is righting part 23 guiding to make
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 inner hole of claw 54.
Later, launching part 2 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 expose to plug 65, logger 64
The outside of backstop drilling rod 13, lesser one section of the aperture of the internal diameter of the third stepped hole of backstop drilling rod 13 are less than lower suspender 63
Outer diameter and the outer diameter for being greater than logger 64, lower suspender 63 are abutted with the cascaded surface of third stepped hole, are bored by backstop in backstop
In bar 13.
Then start to log well, well logging mentions 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, need to salvage group
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 that third is clamped the one end of 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 and the upper end for launching part 2 are clamped, the second pawl head
431 outer diameter is greater 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 be clamped protrusion, make launch part 2 upper end be 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 inner hole of drilling rod and salvages component 4, under the gravity for salvaging component 4 itself, salvage component 4 rapidly
It falls, is located at the upper end for launching part 2 in 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 will drive the second bailer grab 43 and move upwards, and make second dozen
It fishes out pawl 43 and launches the upper end clamping of part 2, moved upwards to drive and launch part 2, make the first bailer grab 33 and launch under part 2
End clamping, dispensing part 2 will drive the first bailer grab 33 and 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 will drive the first clamping pipe fitting 31 and move upwards, and the first clamping pipe fitting 31 will 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 mentions to earth's surface.
Note that above are only the preferred embodiment and institute's application technology principle of the utility model.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, is able to carry out for a person skilled in the art various bright
Aobvious variation, readjustment and substitution is without departing from the protection scope of the utility model.Therefore, although passing through above embodiments
The utility model is described in further detail, but the utility model is not limited only to above embodiments, is not departing from
It can also include more other equivalent embodiments in the case that the utility model is conceived, and the scope of the utility model is by appended
Scope of the claims determine.