CN205225136U - Tear fish top fishing tool - Google Patents
Tear fish top fishing tool Download PDFInfo
- Publication number
- CN205225136U CN205225136U CN201520980440.8U CN201520980440U CN205225136U CN 205225136 U CN205225136 U CN 205225136U CN 201520980440 U CN201520980440 U CN 201520980440U CN 205225136 U CN205225136 U CN 205225136U
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- Prior art keywords
- center tube
- cylindrical shell
- fish
- fishing
- upper center
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- 241000251468 Actinopterygii Species 0.000 title claims abstract description 51
- 238000002224 dissection Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract 2
- 238000005553 drilling Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Abstract
The utility model provides a tear fish top fishing tool, include from last top connection, barrel one, barrel two, salvage barrel, guide shoe to connecting gradually extremely down, be equipped with the shaft shoulder in the top connection, there is an upper center tube through this shaft shoulder positioning connection, upper center tube lower extreme is located barrel one interior lower part, and upper center tube lower extreme is connected with the ball seat joint, the top connection up end is equipped with first outer seal groove, and is sealed through the cooperation of first O type sealing washer and upper center tube upper end, the ball seat connects the upper end and is equipped with the outer seal groove of second, and is sealed through the cooperation of second O type sealing washer and upper center tube lower extreme. The fishing tool for the torn fish top provided by the utility model can reliably clamp the fallen fish to realize fishing operation through the simultaneous action of the inner and outer slips; when the tool is blocked, the mandrel can be pressed by throwing balls and hitting the inside of the oil pipe to move down, so that the inner slip and the outer slip are staggered, and the purpose of retreating is achieved.
Description
Technical field
The utility model belongs to workover treatment technical field, is specifically related to one and tears top of fish fishing tool, when being exclusively used in oil, aqueous vapor well brill, workover treatment, salvages the tubing string of top of fish craze and transfiguration in fish.
Background technology
When oil field drilling, workover treatment, traditional slip socket and left hand fishing spear, as shown in Figure 1, 2, can only salvage the intact tubing string without craze and transfiguration of top of fish in fish, when top of fish has craze and transfiguration, traditional fishing tool can not realize clamping and promote fish fishing.But fish top of fish is much because collision of falling is in craze and transfiguration state in actual job, conventional fishing tool cannot meet salvaging function.In order to prevent in salvaging process promote tubing string and again fall, other downhole tool of damaging, must adopt when fishing and tear top of fish fishing tool.
Utility model content
The purpose of this utility model solves traditional fishing tool technical problem existing when salvaging top of fish has craze and transfiguration.
For this reason, the utility model provides one and tears top of fish fishing tool, comprise the top connection connected successively from top to bottom, cylindrical shell one, cylindrical shell two, fishing socket, guide shoe, the shaft shoulder is provided with in described top connection, to be located by connecting upper center tube by this shaft shoulder, described upper center tube lower end is positioned at cylindrical shell one bottom, upper center tube lower end is connected with ball joint, described top connection upper port is provided with the first external seal groove, by an O RunddichtringO and upper center tube upper end fitted seal, described ball joint upper port is provided with the second external seal groove, by the 2nd O RunddichtringO and upper center tube lower end fitted seal,
The lower end of described ball joint has been threaded connection lower center tube, lower center tube communicates with upper center tube, described lower center tube upper end is positioned at cylindrical shell one, lower end is positioned at fishing socket, described lower center tube lower end is connected with the mandrel be located in fishing socket, described mandrel lower end is up big and down small Outer Taper one, it Outer Taper one is up-small and down-big Outer Taper two, described mandrel overcoat has the internal slip matched with the conical surface of Outer Taper two, be provided with the inner spring be enclosed within mandrel above this internal slip, described mandrel 7 axial centre is provided with the hydrophthalmia communicated with lower center tube;
Described fishing socket is made up of the fishing socket cylindrical shell one welded from top to bottom and fishing socket cylindrical shell two, fishing socket cylindrical shell two upper end is up big and down small inner cone, external slips is provided with in described fishing socket, described external slips lower end is Outer Taper, this inner cone matches with the inner cone of dipper cylindrical shell two upper end, is provided with the shaft shoulder, is provided with outer spring seat between this shaft shoulder and external slips in described cylindrical shell two, outer spring seat is provided with outer spring, and described internal slip and external slips are along the radial coordination of fishing socket.
There is several shear pin hole port, described top connection lower end, fixes upper center tube by shear pin.
The upper end external diameter 3 ~ 4mm less of salvaged fish endoporus of described Outer Taper one.
Described external slips is dissection type, and interlock step is arranged at top.
Described ball joint upper port is external screw thread inner conical surface, is threaded with upper center tube, and described inner conical surface is up big and down small.
Described guide shoe upper end is internal thread, is connected with fishing socket, and lower end port is spiral-shaped incision.
The beneficial effects of the utility model are: this top of fish fishing tool of tearing that the utility model provides is acted on by inside and outside slips simultaneously and can clamp fish reliably and realize fishing; When card met by instrument, mandrel forces mandrel to move down by suppressing in pitching, oil pipe, interior external slips is misplaced, reaches and can move back object.
Be described in further details below in conjunction with accompanying drawing.
Accompanying drawing explanation
Fig. 1 is traditional slip socket scheme of installation;
Fig. 2 is traditional left hand fishing spear scheme of installation;
Fig. 3 tears top of fish fishing tool structural representation;
Fig. 4 is top connection structural representation;
Fig. 5 is cylindrical shell one structural representation;
Fig. 6 is lower center tube structure schematic diagram;
Fig. 7 is core shaft structure schematic diagram;
Fig. 8 is fishing socket structural representation;
Fig. 9 is external slips structural representation;
Figure 10 is internal slip structural representation;
Figure 11 is guide shoe structural representation;
Figure 12 is cylindrical shell two structural representation;
Figure 13 is ball joint structural representation;
Figure 14 is upper center tube structural representation.
In figure: 1, top connection; 2, shear pin; 3, cylindrical shell one; 4, lower center tube; 5, outer spring; 6, inner spring; 7, mandrel; 8, outer spring seat; 9, fishing socket; 10, external slips; 11, internal slip; 12, guide shoe; 13, cylindrical shell two; 14, an O RunddichtringO; 15, ball joint; 16, upper center tube; 17, the 2nd O RunddichtringO; 18, shear pin hole; 19, Outer Taper one; 20, Outer Taper two; 21, fishing socket cylindrical shell one; 22, fishing socket cylindrical shell two; 23, key; 24, cylindrical shell one joint; 25, cylindrical shell one cylindrical shell; 26, the first external seal groove; 27, the second external seal groove; 28, hydrophthalmia.
Detailed description of the invention
Embodiment 1:
In order to overcome traditional slip socket and left hand fishing spear, as Fig. 1, shown in 2, the defect of the tubing string of top of fish craze and transfiguration in fish can not be salvaged, present embodiments provide a kind of as shown in Figure 3 tear top of fish fishing tool, comprise the top connection 1 connected successively from top to bottom, cylindrical shell 1, cylindrical shell 2 13, fishing socket 9, guide shoe 12, the shaft shoulder is provided with in described top connection 1, to be located by connecting upper center tube 16 by this shaft shoulder, described upper center tube 16 lower end is positioned at cylindrical shell 1 bottom, upper center tube 16 lower end is connected with ball joint 15, described top connection 1 upper port is provided with the first external seal groove 26, by an O RunddichtringO 14 and upper center tube 16 upper end fitted seal, described ball joint 15 upper port is provided with the second external seal groove 27, by the 2nd O RunddichtringO 17 and upper center tube 16 lower end fitted seal,
The lower end of described ball joint 15 has been threaded connection lower center tube 4, lower center tube 4 communicates with upper center tube 16, described lower center tube 4 upper end is positioned at cylindrical shell 1, lower end is positioned at fishing socket 9, described lower center tube 4 lower end is connected with the mandrel 7 be located in fishing socket 9, described mandrel 7 lower end is up big and down small Outer Taper 1, it Outer Taper 1 is up-small and down-big Outer Taper 2 20, described mandrel 7 overcoat has the internal slip 11 matched with the conical surface of Outer Taper 2 20, the inner spring 6 be enclosed within mandrel 7 is provided with above this internal slip 11, described mandrel 7 axial centre is provided with the hydrophthalmia 28 communicated with lower center tube 4,
Described fishing socket 9 is made up of the fishing socket cylindrical shell 1 welded from top to bottom and fishing socket cylindrical shell 2 22, fishing socket cylindrical shell 2 22 upper end is up big and down small inner cone, external slips 10 is provided with in described fishing socket 9, described external slips 10 lower end is Outer Taper, this inner cone matches with the inner cone of dipper cylindrical shell 2 13 upper end, the shaft shoulder is provided with in described cylindrical shell 2 13, outer spring seat 8 is provided with between this shaft shoulder and external slips 10, outer spring seat 8 is provided with outer spring 5, and described internal slip 11 and external slips 10 are along the radial coordination of fishing socket 9.
When Assembling tears top of fish fishing tool, first external slips 10 is loaded in fishing socket 9, outer spring seat 8 withstands external slips 10, outer spring 5 is contained on outer spring seat 8, again internal slip 11 is contained on mandrel 7, inner spring 6 to be enclosed within mandrel 7 and to withstand internal slip 11, lower center tube 4 is connected with mandrel 7, cylindrical shell 2 13 is connected with fishing socket 9, loaded by upper center tube 16 in top connection 1, ball joint 15 upper end is connected with upper center tube 16, and cylindrical shell 1 is connected with top connection 1, ball joint 15 lower end is connected with lower center tube 4, and cylindrical shell 1 is connected with cylindrical shell 2 13.Tear top of fish fishing tool to assemble rear top connection 1 and can be connected with drilling rod, oil pipe and implement operation.
After fish introduced by guide shoe 12, transfer drilling tool, first the Outer Taper 1 of mandrel 7 enters in fish chamber, shaping is carried out to fish top of fish, internal slip 11 is promoted to make internal slip 11 internal diameter be retracted to minimum along Outer Taper 2 20 is moved by fish, internal slip 11 enters in fish chamber, continue to transfer drilling tool, fish pushes away in external slips 10, compression outer spring 5, external slips 10 moves up and separates gradually, fish enters in external slips 10 chamber, on carry drilling tool, under initial clamping force effect, mandrel 7 is up with fishing socket 9, external slips 10 is fitted with male cone (strobilus masculinus) in fishing socket 9, produce radial clamping force, fish is blocked, internal slip 11 external diameter swells by mandrel 7 end Outer Taper, internal slip 11 tooth is firmly stung on pipe string internal wall, achieve the tubing string fishing to top of fish craze and transfiguration like this.
Embodiment 2:
On the basis of embodiment 1, there is several shear pin hole 18 port, top connection 1 lower end as shown in Figure 4, fixes upper center tube 16 by shear pin 2.The upper end external diameter 3 ~ 4mm less of salvaged fish endoporus of Outer Taper 1, plays a part to introduce fish.As shown in Figure 5, cylindrical shell 1 is cylindric, is welded to form by cylindrical shell one joint 24 and cylindrical shell one cylindrical shell 25.Cylindrical shell one joint 24 one end is external screw thread, is connected with cylindrical shell 2 13.Cylindrical shell one cylindrical shell 25 13 end is internal thread, is connected with top connection 1.
Fig. 6 is lower center tube 4 structure schematic diagram, and lower center tube 4 is cylindric, and its lower end is internal thread, is connected with mandrel 7, and location inner spring 6, upper end is external screw thread, is connected with ball joint 15.
Fig. 7 is mandrel 7 structural representation, and the axial centre of mandrel 7 has hydrophthalmia 28, under be drilled into top of fish 1 ~ 2mm place turn on pump well-flushing.
Fig. 8 is fishing socket 9 structural representation, and one end of fishing socket cylindrical shell 1 is that internal thread is connected with cylindrical shell 2 13, and the other end welds with fishing socket cylindrical shell 2 22.
As shown in Figure 9, external slips 10 is dissection types, and interlock step is arranged at top, when interlock step effect one is swollen outside two pieces of external slips 10, mutually connects, does not misplace; Two is two pieces of external slips 10 when moving up and down, and ensures synchronous, not separated.Be welded with symmetrical two keys, 23, two keys 23 in fishing socket cylindrical shell 2 22 circumference just to separate opening of external slips 10, play the effect of transmitting torque.
Figure 10 is internal slip 11 structural representation, and internal slip 11 upper end is exterior circular column inner cylinder face, and the size of inner cylinder face coordinates with mandrel 7, and lower end is outer salvaging tooth, and internal slip 11 has three roads axially grooved, is inner conical surface in openend.Under inner spring 6 active force, the open slot of internal slip 11 and inner conical surface are along mandrel 7 male cone (strobilus masculinus) distending, make outer salvaging tooth sting tight fish.
As shown in figure 11, guide shoe 12 upper end is internal thread, is connected with fishing socket 9, and lower end port is spiral-shaped incision.Figure 12 is cylindrical shell 2 13 structural representation, and cylindrical shell 2 13 is connected with fishing socket 9, inside has shoulder can use as outer spring seat 8.
As shown in figure 13, ball joint 15 upper port is external screw thread inner conical surface, is threaded with upper center tube 16, and described inner conical surface is up big and down small, plays screens guide effect.
Figure 14 is upper center tube 16 schematic diagram, upper center tube 16 is cylindric, its upper port has the first external seal groove 26, one O RunddichtringO 14 is housed, with top connection 1 fitted seal, lower port place internal diameter and ball joint 15 are equipped with the 2nd O RunddichtringO 17 place and coordinate, and epimere has internal thread, is connected with ball joint 15.
For the fish of different-diameter, as long as change different slips when cylindrical shell is permitted, the fish of different size can be salvaged.When card met by instrument, by throwing in steel ball, steel ball is suppressed forced mandrel 7 to move down by top connection 1, upper center tube 16, ball joint 15, lower center tube 4, interior external slips 10 is misplaced, reaches and can move back object.
In sum, this top of fish fishing tool of tearing that the utility model provides is acted on by inside and outside slips 10 simultaneously and can clamp fish reliably and realize fishing; When card met by instrument, mandrel 7 forces mandrel 7 to move down by suppressing in pitching, oil pipe, interior external slips 10 is misplaced, reaches and can move back object.
More than exemplifying is only illustrate of the present utility model, does not form the restriction to protection domain of the present utility model, everyly all belongs within protection scope of the present invention with the same or analogous design of the utility model.
Claims (6)
1. tear top of fish fishing tool, it is characterized in that: comprise the top connection (1) connected successively from top to bottom, cylindrical shell one (3), cylindrical shell two (13), fishing socket (9), guide shoe (12), described top connection is provided with the shaft shoulder in (1), to be located by connecting upper center tube (16) by this shaft shoulder, described upper center tube (16) lower end is positioned at cylindrical shell one (3) bottom, upper center tube (16) lower end is connected with ball joint (15), described top connection (1) upper port is provided with the first external seal groove (26), by an O RunddichtringO (14) and upper center tube (16) upper end fitted seal, described ball joint (15) upper port is provided with the second external seal groove (27), by the 2nd O RunddichtringO (17) and upper center tube (16) lower end fitted seal,
The lower end of described ball joint 15 has been threaded connection lower center tube (4), lower center tube (4) communicates with upper center tube (16), described lower center tube (4) upper end is positioned at cylindrical shell one (3), lower end is positioned at fishing socket (9), described lower center tube (4) lower end is connected with the mandrel (7) be located in fishing socket (9), described mandrel (7) lower end is up big and down small Outer Taper one (19), Outer Taper one (19) is upper is up-small and down-big Outer Taper two (20), described mandrel (7) overcoat has the internal slip (11) matched with the conical surface of Outer Taper two (20), this internal slip (11) top is provided with the inner spring (6) be enclosed within mandrel (7), described mandrel (7) axial centre is provided with the hydrophthalmia (28) communicated with lower center tube (4),
Described fishing socket (9) is made up of the fishing socket cylindrical shell one (21) welded from top to bottom and fishing socket cylindrical shell two (22), fishing socket cylindrical shell two (22) upper end is up big and down small inner cone, external slips (10) is provided with in described fishing socket (9), described external slips (10) lower end is Outer Taper, this inner cone matches with the inner cone of dipper cylindrical shell two (13) upper end, the shaft shoulder is provided with in described cylindrical shell two (13), outer spring seat (8) is provided with between this shaft shoulder and external slips (10), outer spring seat (8) is provided with outer spring (5), described internal slip (11) and external slips (10) are along fishing socket (9) radial coordination.
2. according to claim 1ly tear top of fish fishing tool, it is characterized in that: there is several shear pin hole (18) described top connection (1) port, lower end, by the fixing upper center tube (16) of shear pin (2).
3. according to claim 1ly tear top of fish fishing tool, it is characterized in that: the upper end external diameter 3 ~ 4mm less of salvaged fish endoporus of described Outer Taper one (19).
4. according to claim 1ly tear top of fish fishing tool, it is characterized in that: described external slips (10) is dissection type, and interlock step is arranged at top.
5. according to claim 1ly tear top of fish fishing tool, it is characterized in that: described ball joint (15) upper port is external screw thread inner conical surface, be threaded with upper center tube (16), described inner conical surface is up big and down small.
6. according to claim 1ly tear top of fish fishing tool, it is characterized in that: described guide shoe (12) upper end is internal thread, be connected with fishing socket (9), lower end port is spiral-shaped incision.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520980440.8U CN205225136U (en) | 2015-12-02 | 2015-12-02 | Tear fish top fishing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520980440.8U CN205225136U (en) | 2015-12-02 | 2015-12-02 | Tear fish top fishing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205225136U true CN205225136U (en) | 2016-05-11 |
Family
ID=55900210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520980440.8U Active CN205225136U (en) | 2015-12-02 | 2015-12-02 | Tear fish top fishing tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205225136U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109695431A (en) * | 2018-12-13 | 2019-04-30 | 台州职业技术学院 | A kind of tool for salvaging drilling pile drill |
| CN110952946A (en) * | 2019-11-27 | 2020-04-03 | 淮安市井神钻采机具有限公司 | Fishing barrel capable of catching fish strongly |
| CN110984897A (en) * | 2019-11-27 | 2020-04-10 | 淮安市井神钻采机具有限公司 | Fishing spear with co-operation of inner slip and outer slip |
-
2015
- 2015-12-02 CN CN201520980440.8U patent/CN205225136U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109695431A (en) * | 2018-12-13 | 2019-04-30 | 台州职业技术学院 | A kind of tool for salvaging drilling pile drill |
| CN110952946A (en) * | 2019-11-27 | 2020-04-03 | 淮安市井神钻采机具有限公司 | Fishing barrel capable of catching fish strongly |
| CN110984897A (en) * | 2019-11-27 | 2020-04-10 | 淮安市井神钻采机具有限公司 | Fishing spear with co-operation of inner slip and outer slip |
| CN110984897B (en) * | 2019-11-27 | 2022-05-17 | 淮安市井神钻采机具有限公司 | Fishing spear with co-operation of inner slip and outer slip |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |