CN205225132U - Fishing tool - Google Patents
Fishing tool Download PDFInfo
- Publication number
- CN205225132U CN205225132U CN201520949159.8U CN201520949159U CN205225132U CN 205225132 U CN205225132 U CN 205225132U CN 201520949159 U CN201520949159 U CN 201520949159U CN 205225132 U CN205225132 U CN 205225132U
- Authority
- CN
- China
- Prior art keywords
- control line
- claw
- elasticity
- fishing tool
- folding control
- 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.)
- Withdrawn - After Issue
Links
- 210000000078 claw Anatomy 0.000 claims abstract description 48
- 230000007704 transition Effects 0.000 claims description 6
- 230000001186 cumulative effect Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910000639 Spring steel Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
The utility model relates to a fishing tool, including a bottom open-ended casing, the casing lower part is equipped with the edge casing circumference sets up, and can follow the elasticity that the casing radially opened and shut and drag for the claw, and elasticity drags for the inside control line that opens and shuts that wears to be equipped with along elasticity and drag for claw circumference and encircle, and the free end of the control line that opens and shuts makes progress and passes the casing top along the casing, and the casing top is provided with cable connection structure. The fishing tool can realize fishing of various different types of fallen objects in the well, saves the operation time, and has simple construction and low cost.
Description
Technical field
The utility model relates to oil field well fishing junk technology, particularly relates to a kind of multi-functional fishing tool can salvaging multiple trouble of lost tool in hole.
Background technology
At present, oil field fishing spear in bore hole is a lot, structure is different, the purposes of having nothing in common with each other, but general service is single, can only complete a kind of salvaging of trouble of lost tool in hole, trouble of lost tool in hole kind is more, such as rope class junk, slips, gear wheel, short length pipe bar, packer and tubular tool etc., sometimes need to use different instruments repeatedly to repeat to salvage to the multiple junk in down-hole, cause growth duty cycle, operating cost increase.
Thus, the present inventor relies on experience and the practice of being engaged in relevant industries for many years, proposes a kind of fishing tool, to overcome the defect of prior art.
Utility model content
The purpose of this utility model is to provide a kind of fishing tool, can realize salvaging the multiple different classes of junk in down-hole, saves the activity duration, construction is simple, cost is low.
The purpose of this utility model realizes like this, a kind of fishing tool, described fishing tool comprises the housing of a bottom opening, described lower housing portion is provided with along the setting of described housing circumference and can drags for claw along the elasticity of the radial folding of described housing, described elasticity drag for claw inside be equipped with along described elasticity drag for claw circumferential hoop around folding control line, the free end of described folding control line is along described housing upwards also through described case top, and described case top is provided with cable connection structure.
In a better embodiment of the present utility model, described elasticity is dragged for claw inside and is provided with the foraminous spiral tract worn for described folding control line.
In a better embodiment of the present utility model, described foraminous spiral tract comprises close described elasticity and drags for first group of duct that claw outer wall is arranged and second group of duct of dragging for the setting of claw inwall near described elasticity.
In a better embodiment of the present utility model, described elasticity is dragged for claw and is comprised that circumference is uniform multiplely drags for pawl unit, drags for be formed between pawl unit and drag for pawl interval trough described in adjacent two.
In a better embodiment of the present utility model, described in drag for the triangle or trapezoidal shape that pawl unit bottom is the downward convergent of circumferential size.
In a better embodiment of the present utility model, described first group of duct and described second group of duct are dragged for pawl unit inside described in each and are formed with the first perforation and second circumferentially arranged and bore a hole, described folding control line comprises the first folding control line and the second folding control line, one end of described first folding control line is fixed on described in one and is dragged on pawl unit, and the free end of described first folding control line passes described case top through behind described first group of duct by described enclosure interior space; One end of described second folding control line is fixed on described in one and is dragged on pawl unit, and the free end of described second folding control line passes described case top through behind described second group of duct by described enclosure interior space.
In a better embodiment of the present utility model, described case top is provided with two control line passing hole, the free end of described first folding control line and described second folding control line respectively on wear by control line passing hole described in.
In a better embodiment of the present utility model, described elasticity is dragged for circumference on sidewall that claw is positioned at described case inside and is evenly provided with multiple hook structure.
In a better embodiment of the present utility model, each described hook structure is be fixed on described elasticity bottom one to drag for the pillar cell that claw is positioned on the sidewall of described case inside, free end upwards and to described case inside tilts.
In a better embodiment of the present utility model, the described housing position be positioned at below described cable connection structure is provided with diametrically lower cumulative tapering transition section, and described tapering transition section circumference is evenly provided with multiple water hole.
From the above mentioned, the fishing tool that the utility model provides, utilizing bottom resilient to drag for, the folding of claw is disposable catches the multiple junk in down-hole, fishing tool can control in advance elasticity and drag for that claw is first closed to be avoided salvaging junk and fall, and then be pulled out by multiple for down-hole junk simultaneously; Utilize the cable at top carry out on put and put, judge whether to salvage junk according to cable stressing conditions, can make each salvaging can both be effective, avoid non-productive work; This fishing tool cable puts and puts disposable salvaging, save the activity duration, construction is simple, cost is low.
Accompanying drawing explanation
The following drawings is only intended to schematically illustrate the utility model and explain, does not limit scope of the present utility model.Wherein:
Fig. 1: be the structural representation of fishing tool of the present utility model.
Fig. 2: be the sectional view of fishing tool of the present utility model (not containing folding control line).
Detailed description of the invention
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and detailed description of the invention of the present utility model is described.
As shown in Figure 1, the fishing tool 100 that the utility model provides, comprise the housing 1 of a bottom opening, housing 1 bottom is provided with and arranges along housing 1 circumference, and claw 2 can be dragged for along the elasticity of the radial folding of housing 1, elasticity drag for claw 2 inside be equipped with along described elasticity drag for claw circumferential hoop around folding control line 3, the free end of folding control line 3 upwards also passes housing 1 top and the first cable (prior art along housing 1, not shown) connect, the radial folding that elasticity drags for claw 2 is realized by the first cable lift folding control line 3, fishing tool 100 can control elasticity in advance drag for claw 2 and close, avoid salvaging junk to fall, and then disposable multiple for down-hole junk to be pulled out simultaneously.Housing 1 top is provided with cable connection structure 4, and in the present embodiment, cable connection structure 4 is the U-shaped hook structure that Open Side Down, and cable connection structure 4 also can be closed loop configuration.Cable connection structure 4 is connected with the second cable (prior art, not shown), fishing tool 100 is put on being undertaken by the second cable and puts, and judges whether to salvage junk according to the second cable stressing conditions simultaneously, can make each salvaging can both be effective, avoid non-productive work.
Further, as shown in Figure 1, elasticity is dragged for claw 2 inside and is provided with the foraminous spiral tract 20 worn for folding control line 3.In the present embodiment, foraminous spiral tract 20 comprise near elasticity drag for claw 2 outer wall arrange first group of duct 201 and near elasticity drag for claw 2 inwall arrange second group of duct 202.
Further, as shown in Figure 1, elasticity is dragged for claw 2 and is comprised that circumference is uniform multiplely drags for pawl unit 21, and adjacent two are dragged for be formed between pawl unit 21 and drag for pawl interval trough 22.Transfer for the ease of fishing tool 100 and to drag for claw 2 with elasticity and draw in closed, respectively drag for triangle or trapezoidal shape that pawl unit 21 bottom is the downward convergent of circumferential size.Drag for pawl unit 21 spaced, possess the elasticity of radial folding, thus radial gathering can be realized, avoid inner salvaging junk to fall.In the present embodiment, in order to ensure that elasticity drags for the elasticity folding ability of claw 2, elasticity is dragged for claw 2 and is adopted spring steel material (such as 60Si2Mn, 50CrVA), the elasticity that this material has had, high-yield strength and high-fatigue strength.It can be adopts commaterial (spring steel material) integrally to form that elasticity drags for claw 2 with housing 1, may also be to arrange in housing 1 bottom the elasticity be made up of spring steel material and drag for claw 2.
In the present embodiment, as shown in Figure 1, first group of duct 201 and second group of duct 202 are formed with the first perforation and second circumferentially arranged and bore a hole respectively dragging for pawl unit 21 inside.In the present embodiment, folding control line 3 comprises the first folding control line 31 and the second folding control line 32, one end of first folding control line 31 is fixed on described in one and is dragged on pawl unit 21, and the free end of the first folding control line 31 passes housing 1 top through behind first group of duct 201 by described enclosure interior space; One end of second folding control line 32 is fixed on described in one and is dragged on pawl unit 21, and the free end of the second folding control line 32 passes housing 1 top through behind second group of duct 202 by described enclosure interior space.For avoiding dragging for pawl unit 21 unbalance stress, the permanent position of the first folding control line 31 and the permanent position radial symmetric of the second folding control line 32 are arranged.First folding control line 31 and the second folding control line 32 are looped around elasticity in a spiral form and drag for claw 2 inside, avoid winding each other while reaching control folding function.Housing 1 top is passed through for the ease of the first folding control line 31 and the second folding control line 32, the free end that housing 1 top is provided with two control line passing hole 11, first folding control line 31 and the second folding control line 32 respectively on wear by a control line passing hole 11.First folding control line 31 and the second folding control line 32 are by merging together behind housing 1 top, be connected with the first cable, tighten up degree by the first cable lift control first folding control line 31 and the second folding control line 32, thus control the radial folding that elasticity drags for claw 2.The free end of the first folding control line 31 and the second folding control line 32 passes from the hollow space of enclosure interior and the operation of the first cable can be made more flexible.
Further, as shown in Figure 2, for the ease of salvaging rope class junk, elasticity is dragged for circumference on sidewall that claw 2 is positioned at inside housing 1 and is evenly provided with multiple hook structure 23.In the present embodiment, each hook structure 23 is be fixed on elasticity bottom one to drag for the pillar cell that claw 3 is positioned on the sidewall of described case inside, free end upwards and to case inside tilts, and this hook structure also can be that other are convenient to the structure of rope class junk hook.
Further, as shown in Figure 1 and Figure 2, in order to carry in process liquid resistance in well on reducing, housing 1 position be positioned at below cable connection structure 4 is provided with diametrically lower cumulative tapering transition section 12.For the resistance that the buoyancy reducing liquid in decentralization process causes, in tapering transition section 12, circumference is evenly provided with multiple water hole 121.
Folding control line 3 in use, is first connected with the first cable by fishing tool 100 of the present utility model, cable connection structure 4 connects the second cable.When being transferred by fishing tool 100, after first transferring the first cable about 0.5 meter, simultaneously synchronizedly transfer the first cable and the second cable, to ensure in decentralization process, elasticity is dragged for claw 2 and is in open configuration all the time.In decentralization process, for the ease of the control of the first cable and the second cable, the first cable and the second cable is avoided to be intertwined, generally adopt a cable clamp (prior art) every 20 meters, one end of cable clamp is fixed on the first cable, and the other end of cable clamp is slidable to be sheathed on the second cable.When shaft bottom transferred to by fishing tool 100, the first cable is carried on elder generation is slow, control pulling force between elasticity drags for the closing force of claw 2 and fishing tool 100 is conducted oneself with dignity, close to ensure that on fishing tool 100 elasticity drags for claw 2 in advance, one or more junks of shaft bottom can be grabbed in fishing tool 100 so simultaneously.Elasticity drag for claw 2 completely closed after, strengthen pulling force simultaneously synchronized on carry the first cable and the second cable makes fishing tool 100 leave shaft bottom, judge whether to drag for into trouble of lost tool in hole by the size of pulling force, if salvage successfully, on synchronized while of continuation, carry the first cable and the second cable; If salvage unsuccessful, keep the first cable motionless, above carry the second cable about 0.5 meter, more simultaneously synchronizedly transfer the first cable and the second cable, make fishing tool 100 reach shaft bottom and repeat salvaging action, until salvage successfully.
Drag for the folding of claw 2 in down-hole in order to the first cable control elasticity can be effectively utilized, when design flexibility drags for the elasticity of claw 2, its closing force should be made to be less than the gravity of fishing tool 100 itself.
From the above mentioned, the fishing tool that the utility model provides, utilizing bottom resilient to drag for, the folding of claw is disposable catches the multiple junk in down-hole, fishing tool can control in advance elasticity and drag for that claw is first closed to be avoided salvaging junk and fall, and then is disposablely pulled out by multiple for down-hole junk simultaneously; Utilize the cable at top carry out on put and put, judge whether to salvage junk according to cable stressing conditions, can make each salvaging can both be effective, avoid non-productive work; This fishing tool cable puts and puts disposable salvaging, save the activity duration, construction is simple, cost is low.
The foregoing is only the schematic detailed description of the invention of the utility model, and be not used to limit scope of the present utility model.Any those skilled in the art, equivalent variations done under the prerequisite not departing from design of the present utility model and principle and amendment, all should belong to the scope of the utility model protection.
Claims (10)
1. a fishing tool, it is characterized in that: described fishing tool comprises the housing of a bottom opening, described lower housing portion is provided with along the setting of described housing circumference and can drags for claw along the elasticity of the radial folding of described housing, described elasticity drag for claw inside be equipped with along described elasticity drag for claw circumferential hoop around folding control line, the free end of described folding control line is along described housing upwards also through described case top, and described case top is provided with cable connection structure.
2. fishing tool as claimed in claim 1, is characterized in that: described elasticity is dragged for claw inside and is provided with the foraminous spiral tract worn for described folding control line.
3. fishing tool as claimed in claim 2, is characterized in that: described foraminous spiral tract comprises close described elasticity and drags for first group of duct that claw outer wall is arranged and second group of duct of dragging for the setting of claw inwall near described elasticity.
4. fishing tool as claimed in claim 3, is characterized in that: described elasticity is dragged for claw and comprised uniform multiple of circumference and drag for pawl unit, drags for be formed between pawl unit and drag for pawl interval trough described in adjacent two.
5. fishing tool as claimed in claim 4, is characterized in that: described in drag for the triangle or trapezoidal shape that pawl unit bottom is the downward convergent of circumferential size.
6. fishing tool as claimed in claim 4, it is characterized in that: described first group of duct and described second group of duct are dragged for pawl unit inside described in each and be formed with the first perforation and second circumferentially arranged and bore a hole, described folding control line comprises the first folding control line and the second folding control line, one end of described first folding control line is fixed on described in one and is dragged on pawl unit, and the free end of described first folding control line passes described case top through behind described first group of duct by described enclosure interior space; One end of described second folding control line is fixed on described in one and is dragged on pawl unit, and the free end of described second folding control line passes described case top through behind described second group of duct by described enclosure interior space.
7. fishing tool as claimed in claim 6, is characterized in that: described case top is provided with two control line passing hole, the free end of described first folding control line and described second folding control line respectively on wear by control line passing hole described in.
8. fishing tool as claimed in claim 1, is characterized in that: described elasticity is dragged for circumference on sidewall that claw is positioned at described case inside and is evenly provided with multiple hook structure.
9. fishing tool as claimed in claim 8, is characterized in that: each described hook structure is be fixed on described elasticity bottom one to drag for the pillar cell that claw is positioned on the sidewall of described case inside, free end upwards and to described case inside tilts.
10. fishing tool as claimed in claim 1, is characterized in that: the described housing position be positioned at below described cable connection structure is provided with diametrically lower cumulative tapering transition section, and described tapering transition section circumference is evenly provided with multiple water hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520949159.8U CN205225132U (en) | 2015-11-25 | 2015-11-25 | Fishing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520949159.8U CN205225132U (en) | 2015-11-25 | 2015-11-25 | Fishing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205225132U true CN205225132U (en) | 2016-05-11 |
Family
ID=55900206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520949159.8U Withdrawn - After Issue CN205225132U (en) | 2015-11-25 | 2015-11-25 | Fishing tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205225132U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105386738A (en) * | 2015-11-25 | 2016-03-09 | 中国石油天然气股份有限公司 | Fishing tool and fishing method |
-
2015
- 2015-11-25 CN CN201520949159.8U patent/CN205225132U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105386738A (en) * | 2015-11-25 | 2016-03-09 | 中国石油天然气股份有限公司 | Fishing tool and fishing method |
| CN105386738B (en) * | 2015-11-25 | 2018-03-13 | 中国石油天然气股份有限公司 | Fishing tool and fishing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160511 Effective date of abandoning: 20180313 |
|
| AV01 | Patent right actively abandoned |