CN201574708U - Executing device capable of realizing function of ascending and descending well repeatedly - Google Patents
Executing device capable of realizing function of ascending and descending well repeatedly Download PDFInfo
- Publication number
- CN201574708U CN201574708U CN2009203193640U CN200920319364U CN201574708U CN 201574708 U CN201574708 U CN 201574708U CN 2009203193640 U CN2009203193640 U CN 2009203193640U CN 200920319364 U CN200920319364 U CN 200920319364U CN 201574708 U CN201574708 U CN 201574708U
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- shell
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- cam pack
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Abstract
The utility model discloses an executing device capable of realizing a function of ascending and descending a well repeatedly, which comprises a tubular shell (6). The inside of the shell (6) is provided with a cam assembly (12). An input shaft (11) passes through the cam assembly (12) to be connected with an intermediate shaft (2). The other end of the intermediate shaft (2) is in universal connection with a supporting arm (3). An ejecting arm (1) is connected on the supporting arm (3) by a pin. The other end of the ejecting arm (1) is connected with the shell (6) by the pin. The executing device not only can solve the problems of malfunction and loss of control which often occur to the mechanical underground executing method and device and has high reliability, but also can overcome the defect that the existing electric control underground executing method or device has to be provided with a power supply and a circuit board, thus, the cost is greatly improved. The utility model can be compatible for both the common eccentric water injection well and the bridge water injection well and has wide application range.
Description
Technical field
The utility model relates to a kind of actuating unit of the function of going into the well on realizing repeatedly, belongs to used for water injection wells in oil fields downhole tool technical field.
Background technology
Now the many water injection wells in oil field all have support, flick ejecting structure such as pawl with downhole tool.Need before these instruments are gone into the well ejecting structure is drawn in, carry this instrument on arriving behind the assigned address to produce triggering signal by injection well downhole flow regulator, make the cam upset, ejecting structure flicks, and realizes supporting or other functions.Because ejecting structure can be stuck in the injection well downhole flow regulator position when these instruments were transferred once more, therefore can only operate from bottom to top.The function that these instruments are gone into the well on all can not realizing repeatedly.
For addressing the above problem, at present, have a kind of on the market by raising and decentralizing the downhole tool that action control ejecting structure draws in.This instrument is identified as control signal by the different modes of injection well downhole flow regulator.When ejecting structure draws in, on put forward the action recognition of downhole tool by injection well downhole flow regulator for flicking signal.After ejecting structure flicked, the action recognition that is stuck in the injection well downhole flow regulator place during Downhole Tool was drawn signal in for first.The action recognition of carrying downhole tool on once more is second draws signal in.When two gathering signals occurred successively, the control ejecting structure drew in.The centre bore that a diameter 46mm for example, is arranged in common eccentric injection mandrel; Also has a big footpath 82mm, the annular support surface of path 63mm.When ejecting structure draws in, on put forward the action recognition of downhole tool by the injection well downhole flow regulator centre bore for flicking signal.After ejecting structure flicks, the support support action recognition on supporting surface being drawn in signal for first, is second gathering signal putting forward the action recognition of downhole tool by centre bore on once more.When two gathering signals occurred successively, the control ejecting structure drew in.The shortcoming of this technology is: the injection well downhole flow regulator annular support surface of different model is different to the distance of blanking plug, and support is certain in the distance of downhole tool, has limited the range of application of downhole tool, ejecting structure and support to flick functional reliability poor.
Also have a kind of control method that ejecting structure draws in be by on carry the downhole tool that action control ejecting structure draws in.This instrument is equipped with can automatically reset cam.Ejecting structure is in when carrying by injection well downhole flow regulator on the downhole tool of rounding state, cam rotation, and ejecting structure automatically springs open.Behind injection well downhole flow regulator, cam resets.At this moment transfer this instrument, finish its concrete function.When carrying once more, cam triggers again, and the control ejecting structure draws in.The shortcoming of this technology is that the signal that the control ejecting structure flicks and draws in is carried signal on all being.A plurality of injection well downhole flow regulators are arranged in a bite water injection well.If on carry in the process continuously by the even number injection well downhole flow regulator, the situation that the ejecting structure mistake is drawn in can appear.And the guide way in the injection well downhole flow regulator and centre bore all can produce trigger action to cam, if change the direction of motion of downhole tool when cam is between the two, then the state of ejecting structure is more not controlled, and functional reliability is poor.
In addition, also having a kind of method of controlling the ejecting structure gathering is to realize drawing in function with motor, from charged pool, controls the time of gathering with timer in the downhole tool; In addition, also have with motor and realize drawing in function, with cable power supply and the method for control signal is provided.These two kinds of methods all need to install motor and control circuit, cost height.Particularly the mode of cable power supply needs to increase more than 10 ten thousand yuan cost.In addition,, lack the control flexibility, can not in time change the state of ejecting structure with the time that timer control is drawn in.
Therefore, above-mentioned prior art is not ideal.
The utility model content
The purpose of this utility model is: a kind of actuating unit of the function of going into the well on realizing repeatedly is provided, and it both can solve existing machinery formula down-hole manner of execution and misoperation and out of control, the problem of poor reliability often appear in device; Can also overcome the problem that existing automatically controlled down-hole manner of execution and device must the self-powered cost that causes with control circuit increase substantially, thereby overcome the deficiencies in the prior art.
The technical solution of the utility model: a kind of actuating unit of going into the well function on realizing repeatedly of the present utility model comprises tubular housing, in shell, be provided with cam pack, power shaft passes cam pack and is connected with jackshaft is universal, the other end of jackshaft is connected with support arm is universal, be provided with driving shaft in support arm, driving shaft is connected with the driving interface through buffer spring; Be connected with the ejection arm by bearing pin on support arm, the other end that ejects arm is connected with shell by bearing pin.
In the side of cam pack the torsion spring that cam pack is clockwise rotated is housed, cam pack is hinged through bearing pin and shell.
On power shaft, be with top shoe and sliding block, between top shoe and sliding block, be provided with the ejection spring.
Between ejection arm and shell, be provided with back-moving spring.
Owing to adopted technique scheme, the utility model compared with prior art, the utility model adopts pure frame for movement, structure is simpler, does not need motor and power supply, can directly use steel wire to go into the well, effectively controlled use cost, functional reliability can increase substantially.And, adopt and the docking of water nozzle governor motion as triggering signal, be not subjected to the restriction of injection well downhole flow regulator type, can common eccentric water injection well of compatibility and bridge-type eccentric water injection well, applied range.The utility model has solved existing machinery formula down-hole manner of execution and misoperation and problem out of control often appear in device, and reliability is greatly improved.Owing to be Purely mechanical, on cost well below must be self-powered and the automatically controlled down-hole manner of execution and the device of control circuit.
Description of drawings
Fig. 1 is the go into the well structural representation of process rounding state of the utility model;
Fig. 2 is the schematic diagram of the utility model when rising by injection well downhole flow regulator;
The schematic diagram of Fig. 3 transition rounding state that is the utility model and water nozzle governor motion when connecting;
Fig. 4 is the structural representation of the utility model cam pack.
Being labeled as in the accompanying drawing: 1-ejects arm, the 2-jackshaft, and the 3-support arm, the 4-driving shaft, 5-drives interface, the 6-shell, the 7-sliding block, 8-ejects spring, 9-top shoe, 10-back-moving spring, the 11-power shaft, 12-cam pack, 13-bearing pin, 14-torsion spring, 15-water nozzle governor motion.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
Embodiment of the present utility model: actuating unit of going into the well function on realizing repeatedly of the present utility model comprises tubular housing 6, in shell 6, install cam pack 12, power shaft 11 is passed cam pack 12 and 2 universal connections of jackshaft, with universal connection of an end of the other end with the support arm 3 of jackshaft 2, can finish the effect of transmitting motion and power like this; In support arm 3, install driving shaft 4, driving shaft 4 is connected with driving interface 5 behind buffer spring; Load onto the torsion spring 14 that cam pack 12 is clockwise rotated in the side of cam pack 12, cam pack 12 is hinged through bearing pin 13 and shell 6; On support arm 3, connect one and eject arm 1, and the other end that will eject arm 1 is connected with shell 6 by bearing pin, ejection arm 1 and support arm 3 can be relatively rotated within the specific limits, and make the support arm 3 can be from ejection in the groove on the shell 6 or withdrawal by bearing pin; A top shoe 9 of cover and a sliding block 7 on power shaft 11, and between top shoe 9 and sliding block 7, install one and eject spring 8, ejection spring 8 and sliding block 7 can be slided on power shaft 11; Ejecting back-moving spring 10 of installation between arm 1 and the shell 6 then, ejection arm 1 is resetted under the effect of back-moving spring 10.
Operating principle of the present utility model is as follows:
Before the down-hole actuating unit is gone into the well, draw the ejection arm on the actuating unit 3 in (as shown in Figure 1) earlier, with wire rope actuating unit is put to the position of down-hole needs, on carry the injection well downhole flow regulator of actuating unit by the down-hole, at this moment, cam pack 12 upsets are ejected spring 8 promotion sliding blocks 7 and power shaft 11 and are moved down, promote support arm 3 and eject, support arm 3 drives again and ejects arm 1 ejection (as shown in Figure 2); At this moment transfer actuating unit, can realize and the docking (as shown in Figure 3) of the water nozzle governor motion of need regulating 15, butt joint back water nozzle governor motion 15 promotes driving shaft 4 and moves up, and drives power shaft 11 and moves up, and cam pack 12 resets under 14 effects of side torsionspring.Because support arm 3 is enclosed within on the water nozzle governor motion 15, ejection arm 1 can't be regained, the weight of whole down-hole actuating unit is born by support arm 3, prevents that universal joint from freely swinging, and can finish Flow-rate adjustment work.After regulate finishing, on carry the down-hole actuating unit, cam pack 12 restriction universal joints move down, and eject arm 1 and draw under back-moving spring 10 effects.Actuating unit can be once more downward or upward by injection well downhole flow regulator, the function of going into the well in the realization repeatedly.
Claims (4)
1. actuating unit of function of going into the well on can realizing repeatedly, comprise tubular housing (6), it is characterized in that: in shell (6), be provided with cam pack (12), power shaft (11) passes cam pack (12) and universal connection of jackshaft (2), the other end of jackshaft (2) and universal connection of support arm (3), be provided with driving shaft (4) in support arm (3), driving shaft (4) is connected with driving interface (5) through buffer spring; Upward be connected with ejection arm (1) by bearing pin at support arm (3), the other end that ejects arm (1) is connected with shell (6) by bearing pin.
2. the actuating unit of the function of going into the well on realizing repeatedly according to claim 1, it is characterized in that: the torsion spring (14) that cam pack (12) is clockwise rotated is housed in the side of cam pack (12), and cam pack (12) is hinged through bearing pin (13) and shell (6).
3. the actuating unit of the function of going into the well on realizing repeatedly according to claim 1 is characterized in that: be with top shoe (9) and sliding block (7) on power shaft (11), be provided with between top shoe (9) and sliding block (7) and eject spring (8).
4. the actuating unit of the function of going into the well on realizing repeatedly according to claim 1 is characterized in that: be provided with back-moving spring (10) ejecting between arm (1) and the shell (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203193640U CN201574708U (en) | 2009-12-31 | 2009-12-31 | Executing device capable of realizing function of ascending and descending well repeatedly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203193640U CN201574708U (en) | 2009-12-31 | 2009-12-31 | Executing device capable of realizing function of ascending and descending well repeatedly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201574708U true CN201574708U (en) | 2010-09-08 |
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ID=42694584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203193640U Expired - Fee Related CN201574708U (en) | 2009-12-31 | 2009-12-31 | Executing device capable of realizing function of ascending and descending well repeatedly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201574708U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102330549A (en) * | 2011-09-21 | 2012-01-25 | 大庆高新区润德石油机械设备有限公司 | Double-motor cam type debugging arm of water injection well debugger |
| CN103015929A (en) * | 2012-12-13 | 2013-04-03 | 中国石油天然气股份有限公司 | Casting-fishing tool with strength-sensing position |
| CN103147726A (en) * | 2012-11-15 | 2013-06-12 | 贵州航天凯山石油仪器有限公司 | Method and device for doubly adjusting supporting arm and water nozzle by input shaft |
-
2009
- 2009-12-31 CN CN2009203193640U patent/CN201574708U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102330549A (en) * | 2011-09-21 | 2012-01-25 | 大庆高新区润德石油机械设备有限公司 | Double-motor cam type debugging arm of water injection well debugger |
| CN103147726A (en) * | 2012-11-15 | 2013-06-12 | 贵州航天凯山石油仪器有限公司 | Method and device for doubly adjusting supporting arm and water nozzle by input shaft |
| CN103147726B (en) * | 2012-11-15 | 2016-08-03 | 贵州航天凯山石油仪器有限公司 | Support arm and the method and device of water nozzle dual regulation is realized by a power shaft |
| CN103015929A (en) * | 2012-12-13 | 2013-04-03 | 中国石油天然气股份有限公司 | Casting-fishing tool with strength-sensing position |
| CN103015929B (en) * | 2012-12-13 | 2015-06-03 | 中国石油天然气股份有限公司 | Casting-fishing tool with strength-sensing position |
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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 |
Granted publication date: 20100908 Termination date: 20151231 |
|
| EXPY | Termination of patent right or utility model |