CN205297430U - Oil field is fishing operation instrument in pit - Google Patents
Oil field is fishing operation instrument in pit Download PDFInfo
- Publication number
- CN205297430U CN205297430U CN201620069686.4U CN201620069686U CN205297430U CN 205297430 U CN205297430 U CN 205297430U CN 201620069686 U CN201620069686 U CN 201620069686U CN 205297430 U CN205297430 U CN 205297430U
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- CN
- China
- Prior art keywords
- cylinder
- operation instrument
- suction device
- support bar
- fishing operation
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- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses an oil field is fishing operation instrument in pit, including top connection, barrel, the automatic material device of inhaling, the top connection is passed through the screw thread and is connected with the barrel, and the barrel inner wall welds there is the steel wire, automatically, inhaling the material device and having three the same groups at least, just equal contained angle is located the outer circumference department of cylinder bottom, and all include locating plate, pivot, two -way round, unidirectional rotating wheel and reset spring, the locating plate is fixed in cylinder bottom, and cylinder bottom is equipped with the pivot, is fixed with first bracing piece and second bracing piece in the pivot, and the first bracing piece and the second bracing piece other end rotate respectively and are connected with two -way round and unidirectional rotating wheel, are equipped with reset spring between second bracing piece and the locating plate. The utility model discloses both being fit for the horizontal well, and also being fit for the fishing tool of the junk in the vertical well, and can cause the complicated risk of downhole accident in order effectively to avoid the sticking of tool, the article of still avoiding leading to because of colliding with having salvaged falls into the well once more, has ensured salvage efficiency. The time for in a large number is saved.
Description
Technical field
The utility model relates to the down-hole fishing tool of petroleum industry, particularly relates to fishing operation instrument under a kind of oil well.
Background technology
At present, during oilfield downhole operation is constructed, operation is as follows: instrument that (1) goes into the well, drilling tool conscientiously, strictly check, and must be surveyed and drawn sketch and stay and look into. To defective, have the instrument of suspection, drilling tool forbid to go into the well (2) construct in strict accordance with working specification. (3) change of the situation in construction process is noted, sum up in time, analyze, adjust arrangement and method for construction in time, when (4) play lower tubular column in order to avoid causing the accident, self-sealing blowout preventer should be installed, time in well without drilling tool, well head should be added lid or sealing (5) when well head operates, it may also be useful to instrument, apparatus should clear up record. Construction checks after terminating one by one, it has been found that instrument, the apparatus of loss should be registered especially, be reported (6) not allow at will to put anything toward oil pipe or drilling rod internal memory, to be led to footpath by root, in case pipe contents is fallen in well during lower tubular column.
But still there will be instrument falling accident unavoidably, produce or examine at oil and water well in pump maintenance process, the situation that the broken small workpiece such as silk is stifled, pincers tooth, valve ball, well head nut are fallen in sleeve pipe often occurs, so just require to be salvaged by trouble of lost tool in hole, in fishing operation, owing to trouble of lost tool in hole is not understood, so just require that the salvaging scope of fishing tool is larger, existing small falling object fishing tool can not play good effect in construction process, often one not all right is changed again one, causes construction time length, operating cost height.
Existing conventional fishing tool type has following several: (1) pipe class falling object fishing tool: male (mother) cone, slide block trip spear, various pipe class oval sockets etc.; (2) bar class falling object fishing tool: sucker rod socket, three ball sand hitchs etc.; (3) restrict class falling object fishing tool: (4) small falling object fishing tools such as interior (outward) hook, tiger mouth: tackle all problems at once, reverse circulation junk basket, magnetic fishing tool etc.; (5) auxiliary salvaging tool: lead stamp, various milling tool, various shock sub, safety sub and various down-holes parting tool etc.Still Problems existing be not both applicable to horizontal well, the fishing tool of the junk being also applicable in Vertical Well.
Therefore, it should provide a kind of new technical scheme to solve the problem.
Practical novel content
The purpose of this utility model is: fishing operation instrument under a kind of oil well of offer, both horizontal well it had been applicable to, the fishing tool of the junk being also applicable in Vertical Well, and namely can effectively avoid the risk that bit freezing causes down-hole accident complicated, also avoid causing the object salvaged again to fall into well because colliding with, it is ensured that salvaging efficiency. Save a large amount of time and manpower, it is to increase working efficiency, rational in infrastructure, good working effect.
For achieving the above object, the utility model is by the following technical solutions:
Fishing operation instrument under a kind of oil well, comprises top connection, cylinder, automatically suction device, and top connection is connected with cylinder by screw thread, and cylinder inboard wall is welded with steel wire; Described automatic suction device has at least identical three group, and etc. angle be located at described cylinder lower end excircle place, and include strongback, rotating shaft, bidirectional wheel, unidirectional rotating wheel and return spring, described strongback is fixed on the lower end of described cylinder, the lower end of described cylinder is also provided with rotating shaft, rotating shaft is fixed with the first support bar and the 2nd support bar respectively, the other end of described first support bar is rotatably connected to bidirectional wheel, the other end of described 2nd support bar is rotatably connected to unidirectional rotating wheel, and the described 2nd is also provided with return spring between support bar and strongback.
Preferably, described automatic suction device has identical three group.
Preferably, angle between described first support bar and the 2nd support bar is 90-135 ��.
Preferably, the largest circumference place diameter that the bidirectional wheel on described automatic suction device surrounds is greater than the external diameter of its top cylinder.
Preferably, the unidirectional rotating wheel on described automatic suction device is peripheral to cylinder place circle centre position unidirectional rotation by described cylinder.
Preferably, distance between the unidirectional rotating wheel on described automatic suction device is between 0.5-1cm.
Preferably, described automatic suction device also comprises a pawl, and described cylinder pawl is fixed on the lower end of described cylinder, and surrounds described bidirectional wheel.
Preferably, the described front top of cylinder pawl surrounds largest circumference place diameter and the largest circumference place equal diameters that bidirectional wheel surrounds.
The utility model has the advantage of,
The utility model had both been applicable to horizontal well, the fishing tool of the junk being also applicable in Vertical Well, and namely can effectively avoid the risk that bit freezing causes down-hole accident complicated, also avoid causing the object salvaged again to fall into well because colliding with, it is ensured that salvaging efficiency. Save a large amount of time and manpower, it is to increase working efficiency, rational in infrastructure, good working effect.
Accompanying drawing explanation
If Fig. 1 is the structural representation of fishing operation instrument under a kind of oil well described in the utility model.
Embodiment
For the utility model is realized technique means, creation characteristic, reach object and effect is easy to understand, below in conjunction with embodiment, set forth the utility model further.
As shown in Figure 1, fishing operation instrument under a kind of oil well, comprises top connection 1, cylinder 2, automatically suction device, and top connection 1 is connected with cylinder 2 by screw thread, and cylinder 2 inwall is welded with steel wire 3, described automatic suction device has identical three group, and etc. angle be located at described cylinder 2 times end excircle places, and include strongback 4, rotating shaft 5, bidirectional wheel 7, unidirectional rotating wheel 9 and return spring 10, described strongback 4 is fixed on described cylinder 2 times ends, described cylinder 2 times ends are also provided with rotating shaft 5, rotating shaft 5 is fixed with the first support bar 6 and the 2nd support bar 8 respectively, the other end of described first support bar 6 is rotatably connected to bidirectional wheel 7, the other end of described 2nd support bar 8 is rotatably connected to unidirectional rotating wheel 9, return spring 11 also it is provided with between described 2nd support bar 8 and strongback 4.
It is noted that the angle between described first support bar 6 and the 2nd support bar 8 is 90-135 ��.
In the present embodiment, the largest circumference place diameter that the bidirectional wheel 7 on described automatic suction device surrounds is greater than the external diameter of its top cylinder 2.
In the present embodiment, the unidirectional rotating wheel 9 on described automatic suction device by described cylinder 2 periphery to cylinder 2 place circle centre position unidirectional rotation.
In the present embodiment, distance between the unidirectional rotating wheel 9 on described automatic suction device is between 0.5-1cm.
In the present embodiment, described automatic suction device also comprises a pawl 10, and described cylinder pawl 10 is fixed on described cylinder 2 times ends, and surrounds described bidirectional wheel 7.
In the present embodiment, the described front top of cylinder pawl 10 surrounds largest circumference place diameter and the largest circumference place equal diameters that bidirectional wheel 7 surrounds.
During use, at horizontal well when small falling object is salvaged, top connection of the present utility model is connected with top tubing string by screw thread, lower to apart from junk top of fish 1-2 rice, open pump well-flushing, termination of pumping after the heavy sand on top of fish top is cleaned, transfer tubing string pressurization, automatic suction device very easily enters small falling object inside, the inner chamber of the unidirectional rotating wheel that small falling object is held under entering cylinder along cylinder pawl under the effect of the pressure of the drill moves, back down unidirectional rotating wheel, return spring compresses, enter inner barrel, after entering, under the effect of service spring, unidirectional rotating wheel playbacks, then rotate tubing string 5-7 to enclose, make small falling object compacting under the elastic contribution of steel wire, the small falling object not entering steel wire is descending when lift pipe string enters the vertical section of pit shaft, because the effect of unidirectional rotating wheel and strongback is blocked, can not from cylinder lumen out, therefore, the small falling object dragged for firmly is enclosed in cylinder lumen, can not fall in well during lift pipe string, the largest circumference place diameter that bidirectional wheel surrounds simultaneously equals the largest circumference place diameter that the described front top of cylinder pawl surrounds, and it is greater than the external diameter of its top cylinder, under enter horizontal section after can be close to casing wall, can effectively avoid the risk that bit freezing causes down-hole accident complicated, thus complete the object salvaging small falling object, ensure that salvaging efficiency.
Based on above-mentioned, the utility model had both been applicable to horizontal well, the fishing tool of the junk being also applicable in Vertical Well, and namely can effectively avoid the risk that bit freezing causes down-hole accident complicated, also avoid causing the object salvaged again to fall into well because colliding with, it is ensured that salvaging efficiency. Save a large amount of time and manpower, it is to increase working efficiency, rational in infrastructure, good working effect.
Embodiment 2
With embodiment 1 institute the difference is that, described automatic suction device has identical four group, waits being provided with of angle to be located at described cylinder 2 times end excircle places.
Embodiment 3
With embodiment 1 institute the difference is that, described automatic suction device has identical six group, waits being provided with of angle to be located at described cylinder 2 times end excircle places.
Those of ordinary skill in the art will be appreciated that, above embodiment is only used to the utility model is described, and not it is used as restriction of the present utility model, as long as in spirit of the present utility model, change, the modification of the above embodiment all will be dropped in right of the present utility model.
Claims (8)
1. fishing operation instrument under an oil well, comprise top connection (1) and cylinder (2), it is characterized in that, also comprise automatic suction device, top connection (1) is connected with cylinder (2) by screw thread, and cylinder (2) inwall is welded with steel wire (3);Described automatic suction device has at least identical three group, and etc. angle be located at described cylinder (2) lower end excircle place, and include strongback (4), rotating shaft (5), bidirectional wheel (7), unidirectional rotating wheel (9) and return spring (10), described strongback (4) is fixed on described cylinder (2) lower end, described cylinder (2) lower end is also provided with rotating shaft (5), rotating shaft (5) is fixed with the first support bar (6) and the 2nd support bar (8) respectively, the other end of described first support bar (6) is rotatably connected to bidirectional wheel (7), the other end of described 2nd support bar (8) is rotatably connected to unidirectional rotating wheel (9), return spring (11) also it is provided with between described 2nd support bar (8) and strongback (4).
2. fishing operation instrument under a kind of oil well according to claim 1, it is characterised in that, described automatic suction device has identical three group.
3. fishing operation instrument under a kind of oil well according to claim 1, it is characterised in that, the angle between described first support bar (6) and the 2nd support bar (8) is 90-135 ��.
4. fishing operation instrument under a kind of oil well according to claim 1, it is characterised in that, the largest circumference place diameter that the bidirectional wheel (7) on described automatic suction device surrounds is greater than the external diameter of its top cylinder (2).
5. fishing operation instrument under a kind of oil well according to claim 1, it is characterized in that, the unidirectional rotating wheel (9) on described automatic suction device is peripheral to cylinder (2) place circle centre position unidirectional rotation by described cylinder (2).
6. fishing operation instrument under a kind of oil well according to claim 1, it is characterised in that, the distance between unidirectional rotating wheel (9) on described automatic suction device is between 0.5-1cm.
7. fishing operation instrument under a kind of oil well according to claim 1, it is characterised in that, described automatic suction device also comprises a pawl 10, and described cylinder pawl 10 is fixed on described cylinder (2) lower end, and surrounds described bidirectional wheel (7).
8. fishing operation instrument under a kind of oil well according to claim 7, it is characterised in that, the largest circumference place diameter that the described front top of cylinder pawl 10 surrounds and the largest circumference place equal diameters that bidirectional wheel (7) surrounds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620069686.4U CN205297430U (en) | 2016-01-25 | 2016-01-25 | Oil field is fishing operation instrument in pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620069686.4U CN205297430U (en) | 2016-01-25 | 2016-01-25 | Oil field is fishing operation instrument in pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205297430U true CN205297430U (en) | 2016-06-08 |
Family
ID=56426526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620069686.4U Expired - Fee Related CN205297430U (en) | 2016-01-25 | 2016-01-25 | Oil field is fishing operation instrument in pit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205297430U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112554827A (en) * | 2020-12-11 | 2021-03-26 | 张新 | Oil field shaft junk fishing device |
-
2016
- 2016-01-25 CN CN201620069686.4U patent/CN205297430U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112554827A (en) * | 2020-12-11 | 2021-03-26 | 张新 | Oil field shaft junk fishing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 Termination date: 20170125 |