CN206458415U - Paraffin Removal completion tubular column - Google Patents
Paraffin Removal completion tubular column Download PDFInfo
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- CN206458415U CN206458415U CN201720075713.3U CN201720075713U CN206458415U CN 206458415 U CN206458415 U CN 206458415U CN 201720075713 U CN201720075713 U CN 201720075713U CN 206458415 U CN206458415 U CN 206458415U
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- oil pipe
- tubular column
- paraffin removal
- injection
- completion tubular
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Abstract
The utility model provides a kind of Paraffin Removal completion tubular column, including：Oil pipe, chemical injection valve, injection pipeline and controller；Wherein, chemical injection valve is used to connecting or separating oil pipe and injection pipeline, when chemical injection valve is opened, and oil pipe is connected with injection pipeline, when chemical injection valve is closed, and oil pipe and injection pipeline are separated；Injection pipeline is used to transmit paraffin removing with chemical method agent, and controller is used to control being turned on or off for chemical injection valve.The Paraffin Removal completion tubular column provided by the utility model, overcomes existing condensate gas well and carries out the problem of efficiency is low during wax removal processing.The Paraffin Removal completion tubular column provided by the utility model carries out Paraffin Removal processing simultaneously when, it is not necessary to stop the exploitation of condensate gas, be conducive to the raising of condensate gas well production efficiency.
Description
Technical field
The utility model is related to oilfield exploitation technical field, more particularly to a kind of Paraffin Removal completion tubular column.
Background technology
The recovery process of condensate gas well is that condensate gas well underground resource rises to ground by tubing string and underground resource is entered
Row collection, for example：Underground resource includes：Condensate gas and/or condensate etc..When condensate gas is risen by condensate gas well bottom along tubing string
During, with the reduction of pressure and temperature in tubing string, condensate gas inverse can be condensed into condensate.When temperature is reduced to wax precipitation point
Afterwards, the wax crystallization in condensate is separated out, and the wax of precipitation is deposited in pipe string internal wall.The wax of deposition can cause tubing string to block, in order to not
The normal production of gas well is influenceed, it is necessary to carry out Paraffin Removal processing to tubing string.
, it is necessary to stop the exploitation of condensate gas, by paraffin removing with chemical method during the tubing string progress Paraffin Removal processing of existing condensate gas well
Agent injection treats in the tubing string of Paraffin Removal that paraffin removing with chemical method agent can peel off the wax for being deposited on pipe string internal wall.So as to realize in tubing string
The wax removal processing of wall.
The Paraffin Removal efficiency of the tubing string of existing condensate gas well is low.
Utility model content
The utility model offer a kind of Paraffin Removal completion tubular column, with the Paraffin Removal for the tubing string for overcoming existing condensate gas well
The problem of efficiency is low.
A kind of Paraffin Removal completion tubular column, including：
Oil pipe, chemical injection valve, injection pipeline and controller；
Wherein, above-mentioned chemical injection valve is used to connecting or separating above-mentioned oil pipe and above-mentioned injection pipeline, when above-mentioned chemistry
When injection valve is opened, above-mentioned oil pipe connect with above-mentioned injection pipeline, when above-mentioned chemical injection valve closing, above-mentioned oil pipe and above-mentioned
Injection pipeline is separated；
Above-mentioned injection pipeline is used to transmit paraffin removing with chemical method agent；
Controller noted above is used to control being turned on or off for above-mentioned chemical injection valve.
Optionally, above-mentioned Paraffin Removal completion tubular column, in addition to：
Injection pump；
Above-mentioned injection pump is connected with one end of above-mentioned injection pipeline, and above-mentioned injection pump is used to inject to above-mentioned ascending pipe line
State paraffin removing with chemical method agent.
Optionally, above-mentioned chemical injection valve is arranged at the predetermined position of above-mentioned oil pipe, and above-mentioned predeterminated position is less than condensation
Gas or condensate start to analyse the position of wax.
Optionally, above-mentioned Paraffin Removal completion tubular column,
Above-mentioned oil pipe more than above-mentioned chemistry injection valve position is plating tungsten oil pipe.
Optionally, above-mentioned Paraffin Removal completion tubular column, in addition to：
Safety valve, safety valve control pipeline and means for controlling safety valve；
Wherein, above-mentioned safety valve is sheathed on above-mentioned oil pipe, and the position being arranged of above-mentioned safety valve is less than above-mentioned chemistry injection
The position of valve；
One end of above-mentioned safety valve control pipeline be connected with above-mentioned safety valve, above-mentioned safety valve control pipeline the other end and
Above-mentioned means for controlling safety valve connection；
Above-mentioned safety valve control dress is arranged on ground, the opening and closing for controlling above-mentioned safety valve.
Optionally, above-mentioned Paraffin Removal completion tubular column, in addition to：
Sleeve pipe, packer and ball seat；
Above-mentioned packer is arranged between above-mentioned oil pipe and above-mentioned sleeve pipe, for insulating the above-mentioned oil above packer
Space between pipe and above-mentioned sleeve pipe；
Above-mentioned ball seat is arranged at the bottom of above-mentioned oil pipe, for setting above-mentioned packer.
Optionally, above-mentioned Paraffin Removal completion tubular column, in addition to：
Tubing hanger；
Above-mentioned tubing hanger is threadedly coupled with the oil-out of above-mentioned oil pipe.
Optionally, above-mentioned Paraffin Removal completion tubular column,
The length of above-mentioned oil pipe is 7000 meters.
Optionally, above-mentioned Paraffin Removal completion tubular column,
Above-mentioned chemical injection valve is arranged at above-mentioned 1300 meters of tubing hanger.
Optionally, above-mentioned Paraffin Removal completion tubular column,
A diameter of size of above-mentioned plating tungsten oil pipe is 114.3 millimeters, and the above-mentioned tubing diameter size of remainder is 89.9
Millimeter.
The Paraffin Removal completion tubular column that the utility model is provided, including：Oil pipe, chemical injection valve, injection pipeline and controller；
Wherein, chemical injection valve is used to connecting or separating oil pipe and injection pipeline, when chemical injection valve is opened, oil pipe and ascending pipe
Line is connected, when chemical injection valve is closed, and oil pipe and injection pipeline are separated；Injection pipeline is used to transmit paraffin removing with chemical method agent, controls
Device is used to control being turned on or off for chemical injection valve.The Paraffin Removal completion tubular column provided by the utility model, overcomes
Existing condensate gas well carries out the problem of efficiency is low during wax removal processing.The Paraffin Removal completion tubular provided simultaneously by the utility model
When post carries out Paraffin Removal processing, it is not necessary to stop the exploitation of condensate gas, be conducive to the raising of condensate gas well production efficiency.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art does one and simply introduced, it should be apparent that, drawings in the following description are
Some embodiments of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the utility model Paraffin Removal completion tubular column embodiment one；
Fig. 2 is another structural representation of the utility model Paraffin Removal completion tubular column embodiment one；
Fig. 3 is the another structural representation of the utility model Paraffin Removal completion tubular column embodiment one；
Fig. 4 is another structural representation of the utility model Paraffin Removal completion tubular column embodiment one.
Description of reference numerals：
1：Tubing hanger；
2：Plate tungsten oil pipe；
3：Chemical injection valve；
4：Safety valve；
5：Oil pipe；
6：Packer；
7：Ball seat；
8：Sleeve pipe；
21：Oil pipe hole；
31：Inject pipeline；
32：Injection pump；
33：Controller；
34：Valve opening；
41：Safety valve controls pipeline；
42：Means for controlling safety valve.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Term " first " in specification and claims of the present utility model and above-mentioned accompanying drawing, " second ", " the 3rd "
And/or the (if present) such as " the 4th " is for distinguishing similar object, without for describing specific order or successively time
Sequence.It should be appreciated that the data so used can be exchanged in the appropriate case, so as to implementation of the present utility model described herein
Example, for example, can be implemented with the order in addition to those for illustrating or describing herein.In addition, term " comprising " and " having "
And their any deformation, it is intended that covering is non-exclusive to be included, for example, containing series of steps or the mistake of unit
Journey, method, system, product or equipment are not necessarily limited to those steps clearly listed or unit, but may include unclear
It is that ground is listed or for the intrinsic other steps of these processes, method, product or equipment or unit.
The Paraffin Removal completion tubular column that the utility model is provided, connects or separates oil pipe and injection by using chemical injection valve
Pipeline, when chemical injection valve is opened, oil pipe is connected with injection pipeline, when chemical injection valve is closed, oil pipe and injection pipeline
Separate, be used to transmit paraffin removing with chemical method agent by injecting pipeline, controller is used to control being turned on or off for chemical injection valve, from
And, overcome existing condensate gas well and carry out the problem of efficiency is low during wax removal processing.Meanwhile, by the utility model provide it is clear
When wax control completion tubular column carries out Paraffin Removal processing, it is not necessary to stop the exploitation of condensate gas, be conducive to condensate gas well production efficiency
Improve.
The technical solution of the utility model is described in detail with specifically embodiment below providing for the utility model.
These specific embodiments can be combined with each other below, may be in some embodiments for same or analogous concept or process
Repeat no more.
Embodiment one
Fig. 1 is the structural representation of the utility model Paraffin Removal completion tubular column embodiment one.Specifically, in the present embodiment
In, condensate gas well is top close to the one end on ground, is lower section close to the one end in condensate gas well shaft bottom.With reference to Fig. 1, this practicality is new
Type examination Paraffin Removal completion tubular column includes：Oil pipe 2, chemical injection valve 3, injection pipeline 31 and controller 33.
With reference to Fig. 1, chemical injection valve 3 is used to connecting or separating oil pipe 2 and injection pipeline 31, when chemical injection valve 3 is opened
Qi Shi, oil pipe 2 is connected with injection pipeline 31, when chemical injection valve 2 is closed, and oil pipe 2 and injection pipeline 31 are separated.Inject pipeline
31 are used to transmit paraffin removing with chemical method agent, and controller 33 is used to control being turned on or off for chemical injection valve 31.
Wherein, controller 33 is arranged on the position for being easy to operating personnel to control, for controlling above-mentioned chemical injection valve 31
Open, and then control oil pipe 2 is connected with injection pipeline 31, or the closing of above-mentioned chemical injection valve 31 is controlled, and then control oil
Pipe 2 and injection pipeline 31 are separated
Fig. 2 is another structural representation of the utility model Paraffin Removal completion tubular column embodiment one, and Fig. 2 is Fig. 1 chemistry
The partial enlarged drawing of injection valve 3.Fig. 3 is the another structural representation of the utility model Paraffin Removal completion tubular column embodiment one, Fig. 3
For the profile of chemical injection valve 3 in Fig. 2.Fig. 4 shows for another structure of the utility model Paraffin Removal completion tubular column embodiment one
It is intended to, the oil pipe in Fig. 4 is and the partial enlarged drawing at Fig. 2 cooperation of chemical injection valve 3
Referring to figs. 2 to Fig. 4, the inwall of chemical injection valve 3 is provided with the valve opening 34 being connected with injection pipeline 31, and oil pipe 2 exists
Oil pipe hole 21 is provided with cooperation.Set and be provided with and valve opening 34 at the oil pipe hole 21 on oil pipe 2 and the cooperation of chemical injection valve 3
It is corresponding, for when chemical injection valve 3 is in opening, paraffin removing with chemical method agent to enter inside oil pipe 2, inside oil pipe 2
Condensate gas or condensate mixing.
Specifically, as a kind of enforceable mode, chemical injection valve 3 can be under the control of controller 33, default
In the range of hermetically slided up and down along oil pipe 2.
More specifically, when controller 33 controls chemical injection valve 3 to be in opening, the valve opening of chemical injection valve 3
34 are overlapped with the oil pipe hole 21 on oil pipe 2, and oil pipe 2 is connected with injection pipeline 31, and paraffin removing with chemical method agent enters oil pipe 2 by the hole connected
Internal valve opening 34 by injection pipeline 31 transmit Lai paraffin removing with chemical method agent can enter oil pipe 2, it is possible to further with oil pipe 2
Condensate gas or condensate mixing, prevent condensate gas or condensate from having a wax precipitation, or remove the precipitation for being deposited on the inwall of oil pipe 2
Wax；When controller 33 controls chemical injection valve 3 to be closed, chemical injection valve 3 is slided along oil pipe 2, to its valve opening 34
Do not overlapped with the oil pipe hole 21 of oil pipe 2, oil pipe 2 and injection pipeline 31 separate, by injection pipeline 31 transmit Lai paraffin removing with chemical method
Agent cannot enter oil pipe 2, enter so as to prohibit paraffin removing with chemical method agent inside oil pipe, now, Paraffin Removal be carried out without oil pipe 2
Processing.
Optionally, oil pipe hole 21 is identical with the size and shape of valve opening 34, but shape be not limited to it is square or circular etc., can
To be configured the size and shape in hole according to actual needs.
Optionally, with reference to Fig. 1, the Paraffin Removal completion tubular column that the utility model is provided can also include：Injection pump 32.Injection
Pump 32 is connected with injecting one end of pipeline 31, and injection pump 32 is used for the injection injection paraffin removing with chemical method agent of pipeline 31
Specifically, as a kind of enforceable mode, injection pump 32 is built with paraffin removing with chemical method agent, for by internal chemistry
Paraffin remover is depressed into injection pipeline 31, is reached at chemical injection valve 3.Also, when chemical injection valve 3 is under the control of controller 33
During in opening, injection pump 32 should cause paraffin removing with chemical method agent with default pressure value spray into oil pipe 2 in, with oil pipe 2
The condensate gas or condensate in portion are sufficiently mixed.Injection pump 32, which can be arranged on, is conducive to paraffin removing with chemical method agent to facilitate access for injection pipeline
31 position, while the operation behavior for being easy to operating personnel to carry out injection paraffin removing with chemical method agent is met, for example, condensate gas well well head is attached
Near ground.
Optionally, chemical injection valve 3 is arranged at the predetermined position of oil pipe 2, and predeterminated position is less than condensate gas or condensate
Start the position of analysis wax.
Specifically, the position for having wax to separate out in such as condensate gas or condensate is apart from 1300 meters or so of well head, then it is above-mentioned
The predeterminated position of chemical injection valve 3 is the position more than 1300 meters apart from condensate gas well well head.
Optionally, with reference to Fig. 1, the Paraffin Removal completion tubular column that the utility model is provided can also include：Safety valve 4, safety
Valve controls pipeline 41 and means for controlling safety valve 42.Safety valve 4 is sheathed on oil pipe 2, and the position being arranged of safety valve 4 is less than above-mentioned
The position of chemical injection valve 3；One end of safety valve control pipeline 41 is connected with safety valve 4, and safety valve controls the another of pipeline 41
End is connected with means for controlling safety valve 42；Safety valve control installing puts 42 on ground, unlatching and pass for controlling safety valve 4
Close.
Specifically, as a kind of enforceable mode, when means for controlling safety valve 42 controls safety valve 4 in opening
When, condensate gas or condensate in oil pipe 2 flow to well head by shaft bottom, are not influenceed by safety valve 4；When means for controlling safety valve 42
When controlling safety valve 4 in off position, safety valve 4 disconnects the inner passage of oil pipe 2, condensate gas or condensate quilt in oil pipe 2
It is blocked in the oil pipe 2 below at safety valve 4, it is impossible to pass through safety valve 4.Safety valve 4 sets the lower section with chemical injection valve 3,
Play to the condensate gas and the control action of condensate by chemical injection valve 3, for example, when in order that obtaining paraffin removing with chemical method agent with coagulating
Gassing or condensate are sufficiently mixed, it is necessary to when controlling the flow by the condensate gas at chemical injection valve 3 or condensate, Ke Yitong
That crosses safety valve 4 is turned on and off realization to the control of the condensate gas or condensate flow that flow through chemical injection valve 3.
Optionally, with reference to Fig. 1, the Paraffin Removal completion tubular column that the utility model is provided can also include：Sleeve pipe 8, packer 6
With ball seat 7.Packer 6 is arranged between oil pipe 2 and sleeve pipe 8, for insulate the oil pipe 2 above the packer and sleeve pipe 8 it
Between space；Ball seat 7 is arranged at the bottom of oil pipe 2, for set packer 6.
Optionally, with reference to Fig. 1, the Paraffin Removal completion tubular column that the utility model is provided can also include：Tubing hanger 1；Oil pipe
1 is hung to be threadedly coupled with the oil-out of oil pipe 2, it is easy to disassemble.
Optionally, with reference to Fig. 1, the length of the oil pipe 2 in the Paraffin Removal completion tubular column that the utility model is provided is 7000 meters.
Optionally, with reference to Fig. 1, the diameter dimension of the oil pipe 2 in the Paraffin Removal completion tubular column that the utility model is provided is
89.9 millimeters.
The Paraffin Removal completion tubular column that this example is provided connects or separated oil pipe and injection pipeline by using chemical injection valve,
When chemical injection valve is opened, oil pipe is connected with injection pipeline, when chemical injection valve is closed, and oil pipe and injection pipeline are separated,
It is used to transmit paraffin removing with chemical method agent by injecting pipeline, controller is used to control being turned on or off for chemical injection valve, so that, gram
Take existing condensate gas well and carry out the problem of efficiency is low during wax removal processing.Meanwhile, the Paraffin Removal provided by the utility model
When completion tubular column carries out Paraffin Removal processing, it is not necessary to stop the exploitation of condensate gas, be conducive to the raising of condensate gas well production efficiency.
Embodiment two
The present embodiment is on the basis of the Paraffin Removal completion tubular column that embodiment one is provided, in above-mentioned chemical injection valve 3
The tubing section on top could be arranged to plate tungsten oil pipe.Plating tungsten oil pipe is the oil pipe that tube inner wall is coated with tungsten alloy layer.
As a kind of enforceable mode, the plating tungsten oil pipe positioned at the chemical top of injection valve 3 is with being located under chemical injection valve 3
The plain tubing 2 in portion is monoblock type, and tungsten is plated in the inwall of plain tubing ground surface end, is formed in the present embodiment containing plating tungsten oil pipe
Paraffin Removal completion tubular column.
As another enforceable mode, the plating tungsten oil pipe positioned at the chemical top of injection valve 3 is with being located at chemical injection valve 3
The plain tubing 2 of bottom is separate type, and plating tungsten oil pipe can be separately provided, and plated tungsten oil pipe and plain tubing and can be led to
Cross threaded connection.The oil pipe of separate type, which can plate tungsten oil pipe, can use the Paraffin Removal completion tubular column in different condensate gas wells
In, improve the utilization rate of plating tungsten oil pipe.
Optionally, a diameter of size that tungsten oil pipe is plated in the present embodiment can be 114.3 millimeters.
The Paraffin Removal completion tubular column for the condensate gas well that the present embodiment is provided, by chemical injection valve with having wax control function
Plating tungsten oil pipe is used cooperatively, and further increases the Paraffin Removal effect of high-pressure condensate gas well.Further, overcome existing solidifying
Gassing well carries out the problem of efficiency is low during wax removal processing.Meanwhile, the Paraffin Removal completion tubular column provided by the utility model is carried out
During Paraffin Removal processing, it is not necessary to stop the exploitation of condensate gas, be conducive to the raising of condensate gas well production efficiency
Finally it should be noted that：Various embodiments above is only limited to illustrate the technical solution of the utility model, rather than to it
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (10)
1. a kind of Paraffin Removal completion tubular column, it is characterised in that including：
Oil pipe, chemical injection valve, injection pipeline and controller；
Wherein, the chemical injection valve is used to connecting or separating the oil pipe and the injection pipeline, when the chemistry injection
When valve is opened, the oil pipe is connected with the injection pipeline, when the chemical injection valve is closed, the oil pipe and the injection
Pipeline is separated；
The injection pipeline is used to transmit paraffin removing with chemical method agent；
The controller is used to control being turned on or off for the chemical injection valve.
2. Paraffin Removal completion tubular column according to claim 1, it is characterised in that also include：
Injection pump；
The injection pump is connected with one end of the injection pipeline, and the injection pump is used for injection pipeline injection describedization
Learn paraffin remover.
3. Paraffin Removal completion tubular column according to claim 1 or 2, it is characterised in that the chemical injection valve is arranged at institute
The predetermined position of oil pipe is stated, the predeterminated position starts to analyse the position of wax less than condensate gas or condensate.
4. Paraffin Removal completion tubular column according to claim 3, it is characterised in that
The oil pipe more than the chemistry injection valve position is plating tungsten oil pipe.
5. Paraffin Removal completion tubular column according to claim 4, it is characterised in that also include：
Safety valve, safety valve control pipeline and means for controlling safety valve；
Wherein, the safety valve is sheathed on the oil pipe, and the position being arranged of the safety valve is less than the chemical injection valve
Position；
One end of safety valve control pipeline is connected with the safety valve, the safety valve control the other end of pipeline with it is described
Means for controlling safety valve is connected；
The safety valve control dress is arranged on ground, the opening and closing for controlling the safety valve.
6. Paraffin Removal completion tubular column according to claim 5, it is characterised in that also include：
Sleeve pipe, packer and ball seat；
The packer is arranged between the oil pipe and described sleeve pipe, for insulate the oil pipe above the packer with
Space between described sleeve pipe；
The ball seat is arranged at the bottom of the oil pipe, for setting the packer.
7. Paraffin Removal completion tubular column according to claim 6, it is characterised in that also include：
Tubing hanger；
The tubing hanger is threadedly coupled with the oil-out of the oil pipe.
8. Paraffin Removal completion tubular column according to claim 7, it is characterised in that
The length of the oil pipe is 7000 meters.
9. Paraffin Removal completion tubular column according to claim 8, it is characterised in that
The chemical injection valve is arranged at 1300 meters of the tubing hanger.
10. Paraffin Removal completion tubular column according to claim 9, it is characterised in that
A diameter of size of the plating tungsten oil pipe is 114.3 millimeters, and the tubing diameter size of remainder is 89.9 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720075713.3U CN206458415U (en) | 2017-01-20 | 2017-01-20 | Paraffin Removal completion tubular column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720075713.3U CN206458415U (en) | 2017-01-20 | 2017-01-20 | Paraffin Removal completion tubular column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206458415U true CN206458415U (en) | 2017-09-01 |
Family
ID=59696333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720075713.3U Active CN206458415U (en) | 2017-01-20 | 2017-01-20 | Paraffin Removal completion tubular column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206458415U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114427390A (en) * | 2020-09-02 | 2022-05-03 | 中国石油化工股份有限公司 | Salt-removing and salt-preventing injection-production integrated pipe column |
-
2017
- 2017-01-20 CN CN201720075713.3U patent/CN206458415U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114427390A (en) * | 2020-09-02 | 2022-05-03 | 中国石油化工股份有限公司 | Salt-removing and salt-preventing injection-production integrated pipe column |
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