CN204252962U - A kind of down-hole swimming type automatic intermittent lifts water conservancy project tool - Google Patents
A kind of down-hole swimming type automatic intermittent lifts water conservancy project tool Download PDFInfo
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- CN204252962U CN204252962U CN201420671792.0U CN201420671792U CN204252962U CN 204252962 U CN204252962 U CN 204252962U CN 201420671792 U CN201420671792 U CN 201420671792U CN 204252962 U CN204252962 U CN 204252962U
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- mandrel
- lower contact
- water conservancy
- top connection
- type automatic
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Abstract
The utility model provides a kind of down-hole swimming type automatic intermittent and lifts water conservancy project tool, comprise the inner mandrel for through hole, be arranged on top connection and the lower contact at mandrel two ends, be applied in the push rod of mandrel, top connection, lower contact inside, and one end of this push rod extends to outside top connection, the other end be located at being connected for the inner passage one way valve opening, close mandrel of lower contact inside, described one way valve moves up and down in lower contact, described lower contact and top connection all offered chute, and the lower end of lower contact is also connected with hood; The external surface of the mandrel between top connection and lower contact is also arranged with slips; Structure is simple, easy to use, without the need to manual control switch's well time, not by external force, only relies on pit shaft self-energy, relies on tool interior unique construction to run, by gas well plug-ging automatic lifting out.The utility model does not need well head to install by-pass valve control, cost-saving, extends the production time, reaches the object of gas well High-efficient Production.
Description
Technical field
The utility model relates to natural gas extraction and produces special equipment field, and specifically a kind of down-hole swimming type automatic intermittent for gas well water pumping gas production lifts water conservancy project tool.
Background technology
Lot of domestic and international natural gas well pit shaft hydrops is serious, causes gas well production declining even can not normally produce.Therefore, must take effectively to remove hydrops technique to ensure the long term stable production of gas well.The multiple liquid discharging gas producing technique of the on-the-spot normal use in gas field, wherein plunger lift is and plunger lift is using down-hole plunger as gas-liquid interface, the well liquid utilizing the energy of reservoir own to come intermittent promotion oil pipe inner plunger and plunger upper part arrives ground, thus carries out a kind of method of gas well liquid discharging gas producing.By plunger lift, the interface that formation one is fixing between gas and the liquid of extraction, effectively can prevent the falling of liquid, improves lifting efficiency.Compared with other liquid discharging gas producing technique, plunger lift utilizes reservoir energy completely, and overall system architecture is simple, and cost is lower, is applicable to very much the needs of gas field middle and later periods exploitation.
At present in plunger liquid discharging gas producing system, normally utilize pneumatic operated valve or electrically operated valve to realize gas well open and close, thus promotion plunger is up, downward movement, discharges hydrops.This kind of ram device needs in well head supporting facility such as well head mounted valve controllers, and cost is higher, needs artificially to arrange to control the open and close well time, and technology implements underaction.
Utility model content
Of the present utility model is a kind of down-hole swimming type automatic intermittent act water conservancy project tool causing the situations such as the unstable even stopping production of output for hydrops in gas well and provide, compared with conventional post plug device, do not need the well head supporting facility such as mounted valve controller, instrument relies on gas well self-energy completely, up, descending by internal structure running implementation tool, automatic intermittent lifting shaft bottom hydrops, cost-saving, extend well opening time, improve production efficiency.
For achieving the above object, the utility model by the following technical solutions, a kind of down-hole swimming type automatic intermittent lifts water conservancy project tool, comprise the inner mandrel for through hole, be arranged on top connection and the lower contact at mandrel two ends, be applied in mandrel, top connection, the push rod of lower contact inside, and one end of this push rod extends to outside top connection, the other end be located at lower contact inside for opening, the inner passage one way valve of closing mandrel connects, described one way valve moves up and down in lower contact, described lower contact and top connection all offered chute, the lower end of lower contact is also connected with hood,
The external surface of the mandrel between described top connection and lower contact is also arranged with slips.
Further, described one way valve is become with unidirectional valve rod one end one way valve head group by unidirectional valve rod, described unidirectional valve rod is provided with the first groove and the second groove, and extend in hood, described hood is provided with the circular hole of vertical hood center line, be provided with spring one in this circular hole, the end of spring one is provided with the steel ball with the first groove and the second matching grooves.
Further, described slips is 2, is set on mandrel side by side, and by clamp connection between slips, described clip is connected by cross recessed countersunk head sscrew.
Further, described hood lower end is fixed with weighted lever.
Further, the blocking that the lower end of described weighted lever is once fixed with lower pressing cap, coordinates with lower pressing cap.
Further, described slips is connected with mandrel by spring two.
Further, described slips be by 3 slips sheets around circular.
Further, described lower pressing cap is fixedly connected with by hexagon socket cap head screw with blocking.
Further, the top of described top connection is provided with fishing joint.
Further, described top connection is also provided with wiper block.
The utility model adopts technique scheme, has the following advantages: structure is simple, easy to use, without the need to manual control switch's well time, not by external force, only rely on pit shaft self-energy, rely on tool interior unique construction to run, by gas well plug-ging automatic lifting out.The utility model does not need well head to install by-pass valve control, cost-saving, extends the production time, reaches the object of gas well High-efficient Production.
Below with reference to accompanying drawing, the utility model is described in further details.
Accompanying drawing explanation
Fig. 1 is that a kind of down-hole swimming type automatic intermittent lifts water conservancy project lamps structure schematic diagram.
In figure: 1. slips, 2. mandrel, 3. push rod, 4. top connection, 5. spring two, 6. clip, 7. lower contact, 8. one way valve, 9. spring one, 10. blocking cap, 11. weighted levers, 12. lower pressing caps, 13. blockings, 14. cross recessed countersunk head sscrews, 15. steel balls, 16. hexagon socket cap head screws, 17. cross chute, 18. first grooves, 19. second grooves, 20. fishing heads, 801. unidirectional valve rods, 802. unidirectional valve heads.
Detailed description of the invention
In order to overcome at present in plunger liquid discharging gas producing system, normally utilize pneumatic operated valve or electrically operated valve to realize gas well open and close, thus promotion plunger is up, downward movement, discharges hydrops.This kind of ram device needs in well head supporting facility such as well head mounted valve controllers, cost is higher, need artificially to arrange and control the open and close well time, technology implements the defect of underaction, lifts water conservancy project tool be further described in detail below in conjunction with drawings and Examples to a kind of down-hole swimming type automatic intermittent.
Embodiment 1
A kind of down-hole swimming type automatic intermittent as shown in Figure 1 lifts water conservancy project tool, comprise the inner mandrel 2 for through hole, be arranged on top connection 4 and the lower contact 7 at mandrel 2 two ends, be applied in the push rod 3 of mandrel 2, top connection 4, lower contact 7 inside, and one end of this push rod 3 extends to outside top connection 4, the other end be located at being connected for the inner passage one way valve 8 opening, close mandrel 2 of lower contact 7 inside, described one way valve 8 moves up and down in lower contact 7, described lower contact 7 and top connection 4 all offered chute 17, and the lower end of lower contact 7 is also connected with hood 10;
The external surface of the mandrel 2 between described top connection 4 and lower contact 7 is also arranged with slips 1.
In the process of work, first, use steel wire operation drifting, drift size gauge tool diameter is greater than instrument packing element 1mm, so that instrument can be gone into the well smoothly; After drifting completes, detection level; Calculate according to well head pressure and to settle down device depth of setting, under to enter to settle down device, under enter plunger, assembling well head, drives a well.
Instrument uplink and downlink process
When instrument is gone into the well, one way valve 8 is opened completely, makes the inner passage of mandrel 2 unimpeded, and instrument, under the effect of own wt, overcomes the position of Frictional Slipping to preset device of settling down of slips 1 and tube inner wall; Due to effect of inertia, behind in-position, one way valve 8 is closed, and now mandrel 2 inner passage is closed, and instrument forms an opposing seal interface up and down.When bottom accumulated gases, make the gas load on tool lower portion active area be greater than top fluid column, instrument deadweight and pipeline back pressure three comprehensive function power time, instrument goes upward to well head, and namely the liquid of upper tool part be discharged from crossing chute 17.During to well head, well head is clashed on push rod 3 top, and under the effect of inertia force, push rod 3 moves downward, and promote one way valve 8 and move downward, one way valve 8 is opened again, mandrel 2 channels open, and instrument is descending under the effect of deadweight again.Do action like this, discharges water.
Embodiment 2
In above-described embodiment 1, described one way valve 8 is made up of the unidirectional valve head 802 of unidirectional valve rod 801 and unidirectional valve rod 801 one end, described unidirectional valve rod 801 is provided with the first groove 18 and the second groove 19, and extend in hood 10, described hood 10 is provided with the circular hole of vertical hood 10 center line, be provided with spring 1 in this circular hole, the end of spring 1 is provided with the steel ball 15 mated with the first groove 18 and the second groove 19, when instrument falls, one way valve 8 under gravity, unidirectional valve head 802 separates with the internal channel of mandrel 2, unidirectional valve rod 801 is also along with whereabouts, when the first groove 18 on unidirectional valve rod 801 falls the position of steel ball 15, steel ball 15 is under the elastic force of spring 1, drop in the first groove 18, location is realized to one way valve 8, when instrument drops into the position of preset device of settling down, suddenly the inertia produced is stopped for instrument, one way valve 8 is due under effect of inertia, or move upward, when unidirectional valve head 802 arrives the position to mandrel 2 sealing, second groove 19 reaches on the position of steel ball 15 simultaneously, steel ball 15 enters into the second groove 19, one way valve 8 is positioned, fixing, prevent after inertia disappears, one way valve 8 is under the effect of the gravity of self, to whereabouts, the sealing to mandrel 2 passage can not be realized, instrument form the space of an opposing seal up and down, when bottom accumulated gases, make the gas load on tool lower portion active area be greater than top fluid column, instrument deadweight and pipeline back pressure three comprehensive function power time, instrument goes upward to well head, and namely the liquid of upper tool part be discharged from crossing chute 17.
Embodiment 3
In above-described embodiment 2, described slips 1 is 2, be set on mandrel 2 side by side, and connected by clip 6 between slips 1, described clip 6 is connected by cross recessed countersunk head sscrew 14, described slips 1 is connected with mandrel 2 by spring 25, described slips 1 be by 3 slips sheets around circular.
Embodiment 4
In above-described embodiment 3, in order to instrument gravity when going into the well is enough large, and just raw inertia is also larger, the gravity increasing instrument by the following technical solutions, weighted lever 11 is fixedly connected with to increase the gravity of instrument in the lower end of blocking cap 10, simultaneously in order to instrument drop into the position of preset device of settling down time, because of the increasing of gravity, damage can not be brought to instrument self, be fixedly connected sequentially in the lower end of blocking cap 10 lower pressing cap 12 and blocking 13, this lower pressing cap 12 passes through with blocking 13. and hexagon socket cap head screw 16 is fixedly connected with, when instrument drops into the position of preset device of settling down, first blocking 13 touches with bottom connection, play certain damping, buffering effect, can not because of the increasing of gravity, in the process fallen, the inertia of instrument is excessive, damage is caused to instrument.
Embodiment 5
In the above embodiments 4, in order to make instrument convenient when salvaging, being that the fishing head 20 by being provided with standard at the top of top connection 4 realizes, in salvaging process, only needing practical releasing tool, just can salvage instrument; Simultaneously in order to instrument is in the process entering well, there will not be inclination, the axial direction of top connection 4 is provided with wiper block, realize the righting to instrument and guiding.
In above-described embodiment 5, the instrument mentioned is all main body of the present utility model, plants down-hole swimming type automatic intermittent and lifts water conservancy project tool.
To sum up, the utility model structure is simple, easy to use, without the need to manual control switch's well time, not by external force, only relies on pit shaft self-energy, relies on tool interior unique construction to run, by gas well plug-ging automatic lifting out.The utility model does not need well head to install by-pass valve control, cost-saving, extends the production time, reaches the object of gas well High-efficient Production.
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 domain of the present utility model with the same or analogous design of the utility model.
Claims (10)
1. a down-hole swimming type automatic intermittent lifts water conservancy project tool, it is characterized in that, comprise the inner mandrel (2) for through hole, be arranged on top connection (4) and the lower contact (7) at mandrel (2) two ends, be applied in mandrel (2), top connection (4), the push rod (3) that lower contact (7) is inner, and one end of this push rod (3) extends to top connection (4) outward, the other end be located at lower contact (7) inner for opening, the inner passage one way valve (8) of closing mandrel (2) connects, described one way valve (8) moves up and down in lower contact (7), described lower contact (7) and top connection (4) all offered chute (17), the lower end of lower contact (7) is also connected with hood (10),
The external surface of the mandrel (2) between described top connection (4) and lower contact (7) is also arranged with slips (1).
2. a kind of down-hole according to claim 1 swimming type automatic intermittent lifts water conservancy project tool, it is characterized in that, described one way valve (8) is made up of unidirectional valve rod (801) and the unidirectional valve head in unidirectional valve rod (801) one end (802), described unidirectional valve rod (801) is provided with the first groove (18) and the second groove (19), and extend in hood (10), described hood (10) is provided with the circular hole of vertical hood (10) center line, spring one (9) is provided with in this circular hole, the end of spring one (9) is provided with the steel ball (15) mated with the first groove (18) and the second groove (19).
3. a kind of down-hole according to claim 1 swimming type automatic intermittent lifts water conservancy project tool, it is characterized in that, described slips (1) is 2, be set on mandrel (2) side by side, and connected by clip (6) between slips (1), described clip (6) is connected by cross recessed countersunk head sscrew (14).
4. a kind of down-hole according to claim 1 swimming type automatic intermittent lifts water conservancy project tool, and it is characterized in that, described hood (10) lower end is fixed with weighted lever (11).
5. a kind of down-hole according to claim 4 swimming type automatic intermittent lifts water conservancy project tool, it is characterized in that, the blocking (13) that the lower end of described weighted lever (11) is once fixed with lower pressing cap (12), coordinates with lower pressing cap (12).
6. a kind of down-hole swimming type automatic intermittent according to claim 1 or 3 lifts water conservancy project tool, and it is characterized in that, described slips (1) is connected with mandrel (2) by spring two (5).
7. a kind of down-hole swimming type automatic intermittent according to claim 1 or 3 lifts water conservancy project tool, it is characterized in that, described slips (1) be by 3 slips sheets around circular.
8. a kind of down-hole according to claim 5 swimming type automatic intermittent lifts water conservancy project tool, it is characterized in that, described lower pressing cap (12) is fixedly connected with by hexagon socket cap head screw (16) with blocking (13).
9. a kind of down-hole according to claim 1 swimming type automatic intermittent lifts water conservancy project tool, and it is characterized in that, the top of described top connection (4) is provided with fishing joint (20).
10. a kind of down-hole swimming type automatic intermittent according to claim 1 or 9 lifts water conservancy project tool, it is characterized in that, described top connection (4) is also provided with wiper block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420671792.0U CN204252962U (en) | 2014-11-12 | 2014-11-12 | A kind of down-hole swimming type automatic intermittent lifts water conservancy project tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420671792.0U CN204252962U (en) | 2014-11-12 | 2014-11-12 | A kind of down-hole swimming type automatic intermittent lifts water conservancy project tool |
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| Publication Number | Publication Date |
|---|---|
| CN204252962U true CN204252962U (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420671792.0U Expired - Fee Related CN204252962U (en) | 2014-11-12 | 2014-11-12 | A kind of down-hole swimming type automatic intermittent lifts water conservancy project tool |
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| Country | Link |
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| CN (1) | CN204252962U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104358546B (en) * | 2014-11-12 | 2017-02-15 | 中国石油天然气股份有限公司 | Underground swinging-type automatic intermittent water pump-up tool |
| CN110847843A (en) * | 2019-11-07 | 2020-02-28 | 中国石油天然气股份有限公司 | Rubber cup rubber cylinder sealing structure plunger |
-
2014
- 2014-11-12 CN CN201420671792.0U patent/CN204252962U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104358546B (en) * | 2014-11-12 | 2017-02-15 | 中国石油天然气股份有限公司 | Underground swinging-type automatic intermittent water pump-up tool |
| CN110847843A (en) * | 2019-11-07 | 2020-02-28 | 中国石油天然气股份有限公司 | Rubber cup rubber cylinder sealing structure plunger |
| CN110847843B (en) * | 2019-11-07 | 2021-11-30 | 中国石油天然气股份有限公司 | Rubber cup rubber cylinder sealing structure plunger |
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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: 20150408 Termination date: 20171112 |