CN208845150U - Drain tool and drainage system - Google Patents
Drain tool and drainage system Download PDFInfo
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- CN208845150U CN208845150U CN201821594435.3U CN201821594435U CN208845150U CN 208845150 U CN208845150 U CN 208845150U CN 201821594435 U CN201821594435 U CN 201821594435U CN 208845150 U CN208845150 U CN 208845150U
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- packer
- oil pipe
- driving device
- liquid pump
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Abstract
The utility model relates to downhole operation equipment technical fields, more particularly, to a kind of drain tool and drainage system.Drain tool includes steel wire, driving device, liquid pump and packer；The driving device is connect with the liquid pump, and the liquid outlet of the liquid pump is connected to the central tube of the packer；The driving device can drive the liquid pump to extract liquid, and the liquid is delivered to the central tube by the liquid outlet；The steel wire is connect with the packer.Drainage system includes drain tool.The purpose of this utility model is to provide a kind of drain tool and drainage system, the technical issues of to solve big gas well drain operation labor intensity existing in the prior art, high production cost.
Description
Technical field
The utility model relates to downhole operation equipment technical fields, more particularly, to a kind of drain tool and drainage system.
Background technique
As gas field development enters the intermediary and later stages, strata pressure decline in gas field is larger, and natural declining rate is high, the gas on gas field
Well water yield increases, and well head pressure decline is fast, and gas production decline, gas well plug-ging gradually increases, some gas wells even water logging occur
The phenomenon that halt production.
So must assist that gas well liquid loading is maintained or restored using liquid discharging gas producing equipment, but currently used some conventional
Mining technique, such as: bubble row, optimizing pipe string, gaslift, screw pump, machine pumping due to its own limitation and can not be used or
It is not obvious using rear effect.But the above liquid discharging apparatus generally requires to employ tubing string a bit or needs additional well workover, labor
Fatigue resistance is big, high production cost.
Therefore, the application provides a kind of new drain tool and drainage system regarding to the issue above.
Utility model content
The purpose of this utility model is to provide a kind of drain tools, are made with solving gas well drain existing in the prior art
The technical issues of industry large labor intensity, high production cost.
The purpose of this utility model, which also resides in, provides a kind of drainage system, further to solve gas existing in the prior art
The technical issues of well drain operation labor intensity is big, high production cost.
Based on above-mentioned first purpose, the utility model provides a kind of drain tool, including steel wire, driving device, liquid pump and
Packer；
The driving device is connect with the liquid pump, and the liquid outlet of the liquid pump is connected to the central tube of the packer；
The driving device can drive the liquid pump to extract liquid, and the liquid is delivered to by the liquid outlet
The central tube；
The steel wire is connect with the packer.
In any of the above-described technical solution, further, liquid pump described in the utility model is plunger pump；The driving device
For linear motor.
In any of the above-described technical solution, further, packer described in the utility model further includes packing element；
The central tube is set in the packing element.
In any of the above-described technical solution, further, drain tool described in the utility model, further includes power distribution equipment
And control device；
The power distribution equipment and the driving device are electrically connected with the control device.
In any of the above-described technical solution, further, power distribution equipment described in the utility model includes transformer and frequency conversion
Device；
The transformer is electrically connected with the control device by the frequency converter.
Based on above-mentioned second purpose, the utility model provides a kind of drainage system, including the drain tool.
In any of the above-described technical solution, further, drainage system described in the utility model further includes oil pipe；
The drain tool is set in the oil pipe, and the oil pipe is divided into the first lumen and by the packer
Two lumens；
The steel wire is set to first lumen, and the liquid pump and the driving device are set to second lumen,
And the liquid outlet of the liquid pump is connected to by the central tube with first lumen.
In any of the above-described technical solution, further, drainage system described in the utility model further includes casing；
The oil pipe is sheathed in described sleeve pipe.
In any of the above-described technical solution, further, christmas tree is connected with above casing described in the utility model；
The oil pipe is connect with the christmas tree；
Cavity is provided in the christmas tree, and the cavity is connected to the oil pipe.
In any of the above-described technical solution, further, drainage system described in the utility model further includes metering dress
It sets；
The metering device is connected to the cavity, for measuring the flow of liquid in the cavity.
By adopting the above technical scheme, the utility model has the following beneficial effects:
Drain tool provided in this embodiment can be used in the gas well of hydrops halt production, and underground hydrops is more, and production capacity is lower, warp
It helps of poor benefits.
In view of the above-mentioned problems, drain tool in use, is set to the oil pipe in gas well by drain tool；Specifically, drawing
Dynamic steel wire, by driving device, liquid pump and packer successively tripping in oil pipe to certain depth, be followed successively by from well head to shaft bottom steel wire,
Packer, liquid pump and driving device, and enable packer and tubing seal, packer are divided into for blocking oil pipe, by oil pipe
One lumen and the second lumen, the first lumen is with respect to the second lumen close to well head；Wherein, liquid pump and driving device are located at the second pipe
Chamber, and the liquid outlet of liquid pump is connected to by central tube with the first lumen.
With the reduction of landing surface stream pressure and gas well yield, the liquid in the shaft bottom gradually oil pipe aggregation in well, that is, liquid
It is gathered in the second lumen of oil pipe.Liquid in oil pipe enters liquid pump, starts driving device, enables driving device driving liquid pump will
Second intraluminal liquid is pumped to the central tube of packer by liquid outlet, and is delivered to the first lumen by central tube, directly
It to full first lumen of liquid product and overflows, realizes drain；Alternatively, until the second pipe intracavity liquid is pumped to the first pipe completely
Chamber is at this time moved packer along oil pipe by steel wire to the direction close to well head, to enable packer drive the first pipe intraluminal fluid
Body moves up, and up to full first lumen of liquid product on packer and overflows, realizes drain.
In conclusion drain tool part provided in this embodiment needs additionally, gas well can be completed by employing tubing string or well workover
Drain, and the easy to operate, practical of drain tool is removed using steel wire order, labor intensity is small, and reduces production cost,
And maintenance is simple, economizes on resources, and solves that gas well drain operation labor intensity existing in the prior art is big, production cost
High technical problem.
Drainage system provided by the utility model is further solved and is deposited in the prior art including the drain tool
The technical issues of gas well drain operation labor intensity is big, high production cost.
The additional aspect and advantage of the utility model will become obviously in following description section, or practical new by this
The practice of type is recognized.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of drainage system provided by the embodiment of the utility model.
Icon: 100- steel wire；200- driving device；300- liquid pump；400- packer；410- central tube；420- packing element；
510- transformer；520- frequency converter；600- oil pipe；The first lumen of 610-；The second lumen of 620-；700- casing；800- christmas tree；
900- metering device.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Embodiment one
Shown in Figure 1, the present embodiment provides a kind of drain tool, the drain tool includes steel wire 100, driving device
200, liquid pump 300 and packer 400；
The driving device 200 is connect with the liquid pump 300, and the liquid outlet of the liquid pump 300 is connected to the packer 400
Central tube 410；
The driving device 200 can drive the liquid pump 300 to extract liquid, and the liquid is passed through the liquid outlet
It is delivered to the central tube 410；
The steel wire 100 is connect with the packer 400.
Drain tool provided in this embodiment can be used in the gas well of hydrops halt production, and underground hydrops is more, and production capacity is lower, warp
It helps of poor benefits.
In view of the above-mentioned problems, drain tool in use, is set to the oil pipe 600 in gas well by drain tool；Specifically,
Steel wire 100 is pulled, successively tripping in oil pipe 600 is to certain depth by driving device 200, liquid pump 300 and packer 400, from well head
It is followed successively by steel wire 100, packer 400, liquid pump 300 and driving device 200 to shaft bottom, and enables packer 400 and oil pipe 600 close
Oil pipe 600 is divided into the first lumen 610 and the second lumen 620, the first lumen for blocking oil pipe 600 by envelope, packer 400
610 opposite second lumens 620 are close to well head；Wherein, liquid pump 300 and driving device 200 are located at the second lumen 620, and liquid pump 300
Liquid outlet be connected to the first lumen 610 by central tube 410.
With the reduction of landing surface stream pressure and gas well yield, the liquid in shaft bottom gradually assemble by the oil pipe 600 in well, that is,
Liquid accumulation is in the second lumen of oil pipe 600.Liquid in oil pipe 600 enters liquid pump 300, starts driving device 200, enables and driving
Second intraluminal liquid is pumped to the central tube 410 of packer 400 by the dynamic driving of device 200 liquid pump 300 by liquid outlet, and
It is delivered to the first lumen 610 by central tube 410, up to full first lumen 610 of liquid product and overflows, realizes drain；Alternatively,
Until liquid is pumped to the first lumen 610 completely in the second lumen 620, at this time by steel wire 100 by packer 400 along oil pipe
600 is mobile to the direction of close well head, to enable packer 400 that liquid in the first lumen 610 is driven to move up, until packer 400
On full first lumen 610 of liquid product and overflow, realize drain.
After drain, according to formation water output rule and water yield, it can choose whether to take out drain tool, in case after
With.
In conclusion drain tool part provided in this embodiment needs additionally, gas well can be completed by employing tubing string or well workover
Drain, and the easy to operate, practical of drain tool is removed using the order of steel wire 100, labor intensity is small, and reduces and be produced into
This, and maintain it is simple, economize on resources, solve that gas well drain operation labor intensity existing in the prior art is big, production
Technical problem at high cost.
It should be noted that the horizontal well for high yield water can also if the hydrops in oil pipe 600 arrived vertical well section
By this drain tool in scheduled straight well section.
Preferably, the steel wire 100 is cable, and the tensile strength of cable is high, can prevent the process for pulling packer 400
Middle fracture enables operation safer, reliable.
A kind of preferably implementation, liquid pump 300 described in the present embodiment are plunger pump；The driving device 200 is
Linear motor.
Linear motor-driven plunger pump moves in oil pipe 600, the second pipe intracavity liquid can be expelled to packer 400
Central tube 410, and the first lumen 610 is delivered to by central tube 410.
It should be noted that driving device 200 can also be for such as flowering structure: including driving motor and linear mould group；Driving
Motor connects plunger pump by linear mould group；Driving motor starting can drive linear mould group to drive plunger pump movement.
Plunger pump is made of pump barrel, standing valve and travelling valve etc..Standing valve is located at pump barrel top, travelling valve position
Inside plunger cavity.Travelling valve is closed when up stroke, and standing valve is opened, and liquid is lifted to well head.When down stroke, trip
Dynamic valve is opened, and standing valve is closed, and liquid enters pump plunger through plunger cavity by pit shaft and concedes pump barrel space.
A kind of preferably implementation, shown in Figure 1, packer 400 described in the present embodiment further includes packing element
420；
The central tube 410 is set in the packing element 420.
In use, the central tube 410 is connected in the oil pipe 600 by the packing element 420.That is, packing element
420 be elastic component, is connect central tube 410 with oil pipe 600 by packing element 420, to realize between oil pipe 600 and central tube 410
Sealing, prevent the first lumen 610 and the second lumen 620 by the gap connection between oil pipe 600 and central tube 410, to protect
Hinder the function and effect of liquid pump 300.
In addition, central tube 410 is connect by packing element 420 with oil pipe 600, since packing element 420 is elastic component, packing is realized
Device 400 and oil pipe 600 are detachably connected, and enable packer 400 after the operation for completing a bite gas well, can be salvaged and, application
Into another implication well, the recycling rate of waterused of packer 400 is improved, operating cost is reduced.
Furthermore it since packing element 420 is elastic component, realizes between the packing element 420 and oil pipe 600 for guaranteeing packer 400
While leakproofness, packer 400 can be pulled to the direction close to well head by steel wire 100.
A kind of preferably implementation, drain tool described in the present embodiment further include power distribution equipment and control dress
It sets；
The power distribution equipment and the driving device 200 are electrically connected with the control device.
Power distribution equipment is the power supply of driving device 200 by control device, and control device controls driving device 200.
For example, control device controls the operating parameter of linear motor, adjustment punching when driving device 200 is linear motor
Journey, jig frequency are to achieve the purpose that the liquid outlet quantity for controlling liquid pump 300.
A kind of preferably implementation, shown in Figure 1, power distribution equipment described in the present embodiment includes transformer 510
With frequency converter 520；
The transformer 510 is electrically connected with the control device by the frequency converter 520.
660V (or 380V) alternating current that transformer 510 provides is conveyed to underground straight-line electric by frequency converter 520 after frequency conversion
Machine, so that linear motor be enabled plunger pump can be driven to move.
Embodiment two
Embodiment two provides a kind of drainage system, and the drainage system includes drain tool described in embodiment one, real
The technical characteristic for applying drain tool disclosed in example one is also applied for the embodiment, the skill of the published drain tool of embodiment one
Art feature is not repeated to describe.The embodiment of the drainage system is described in further detail with reference to the accompanying drawing.
To save length, the improvement feature of the embodiment is equally embodied in Fig. 1, therefore, in conjunction with Fig. 1 to the embodiment
Scheme is illustrated.
It is shown in Figure 1, drainage system provided in this embodiment, including the drain tool.
By drain tool application in gas well, for quickly aspirating outlet well shaft bottom hydrops side by side, it is raw to restore gas well self-spray
It is big, raw to further solve gas well drain operation labor intensity existing in the prior art to improve gas well deliverability for production capacity power
Produce technical problem at high cost.
A kind of preferably implementation, shown in Figure 1, drainage system described in the present embodiment further includes oil pipe 600；
The drain tool is set in the oil pipe 600, and the oil pipe 600 is divided by the packer 400
One lumen 610 and the second lumen 620；
The steel wire 100 is set to first lumen 610, and the liquid pump 300 and the driving device 200 are set to institute
The second lumen 620 is stated, and the liquid outlet of the liquid pump 300 is connected to by the central tube 410 with first lumen 610.
In use, oil pipe 600 is set in gas well, and enable the first lumen 610 close to well head.
A kind of preferably implementation, shown in Figure 1, drainage system described in the present embodiment further includes casing 700；
The oil pipe 600 is sheathed in described sleeve pipe 700.
When operation, casing 700 is set in gas well, to realize that oil pipe 600 is set to gas well, that is, oil pipe 600 passes through
Casing 700 is set in gas well.
A kind of preferably implementation, it is shown in Figure 1, gas production is connected with above the present embodiment described sleeve pipe 700
Tree 800；
The oil pipe 600 is connect with the christmas tree 800；
Cavity is provided in the christmas tree 800, and the cavity is connected to the oil pipe 600.
When operation, christmas tree 800 is enabled to be set to the well head of gas well, to realize oil pipe 600 and casing 700 relative to gas well
It is fixed.
It should be noted that, into the cavity of christmas tree 800, being realized by christmas tree 800 when liquid overflows oil pipe 600
The control of liquid.
A kind of preferably implementation, shown in Figure 1, drainage system described in the present embodiment further includes metering device
900；
The metering device 900 is connected to the cavity, for measuring the flow of liquid in the cavity.
Metering device 900 is able to confirm that the lifting rate of the gas well.
Specifically, when liquid enters the cavity of christmas tree 800, metering device 900 measures the stream of liquid in the cavity
Amount, when output liquid in cavity, metering device 900 shows the flow of liquid；When liquid exports completely in cavity, until metering
The flow that device 900 measures liquid in the cavity is zero, illustrates that liquid is completely exhausted out in gas well, starts to produce gas, at this time can be with
Driving device 200 is closed, liquid pump 300 is enabled to stop suction, restores gas well and normally produces.
Drainage system described in the present embodiment has the advantages that drain tool described in embodiment one, and the advantage is in embodiment
It is described in detail in one, is not repeated herein.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other embodiments
In included certain features rather than other feature, but the combination of the feature of different embodiments mean it is practical new in this
Within the scope of type and form different embodiments.For example, in claims above, embodiment claimed
It is one of any can in any combination mode come using.The information disclosed in the background technology section is intended only to deepen
Understanding to the general background technology of the utility model, and be not construed as recognizing or implying in any form that the information is constituted
The prior art known to those skilled in the art.
Claims (10)
1. a kind of drain tool, which is characterized in that including steel wire, driving device, liquid pump and packer；
The driving device is connect with the liquid pump, and the liquid outlet of the liquid pump is connected to the central tube of the packer；
The driving device can drive the liquid pump to extract liquid, and described in the liquid is delivered to by the liquid outlet
Central tube；
The steel wire is connect with the packer.
2. drain tool according to claim 1, which is characterized in that the liquid pump is plunger pump；The driving device is
Linear motor.
3. drain tool according to claim 1, which is characterized in that the packer further includes packing element；
The central tube is set in the packing element.
4. drain tool according to claim 1-3, which is characterized in that further include power distribution equipment and control dress
It sets；
The power distribution equipment and the driving device are electrically connected with the control device.
5. drain tool according to claim 4, which is characterized in that the power distribution equipment includes transformer and frequency converter；
The transformer is electrically connected with the control device by the frequency converter.
6. a kind of drainage system, which is characterized in that including drain tool as described in any one in claim 1-5.
7. drainage system according to claim 6, which is characterized in that further include oil pipe；
The drain tool is set in the oil pipe, and the oil pipe is divided into the first lumen and the second pipe by the packer
Chamber；
The steel wire is set to first lumen, and the liquid pump and the driving device are set to second lumen, and institute
The liquid outlet for stating liquid pump is connected to by the central tube with first lumen.
8. drainage system according to claim 7, which is characterized in that further include casing；
The oil pipe is sheathed in described sleeve pipe.
9. drainage system according to claim 8, which is characterized in that be connected with christmas tree above described sleeve pipe；
The oil pipe is connect with the christmas tree；
Cavity is provided in the christmas tree, and the cavity is connected to the oil pipe.
10. drainage system according to claim 9, which is characterized in that further include metering device；
The metering device is connected to the cavity, for measuring the flow of liquid in the cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821594435.3U CN208845150U (en) | 2018-09-28 | 2018-09-28 | Drain tool and drainage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821594435.3U CN208845150U (en) | 2018-09-28 | 2018-09-28 | Drain tool and drainage system |
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| Publication Number | Publication Date |
|---|---|
| CN208845150U true CN208845150U (en) | 2019-05-10 |
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ID=66374001
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821594435.3U Active CN208845150U (en) | 2018-09-28 | 2018-09-28 | Drain tool and drainage system |
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| Country | Link |
|---|---|
| CN (1) | CN208845150U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114059973A (en) * | 2021-11-25 | 2022-02-18 | 祥业能源有限公司 | Oil gas well drainage device |
-
2018
- 2018-09-28 CN CN201821594435.3U patent/CN208845150U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114059973A (en) * | 2021-11-25 | 2022-02-18 | 祥业能源有限公司 | Oil gas well drainage device |
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