CN205778746U - Well head medicine system and oil recovery system - Google Patents
Well head medicine system and oil recovery system Download PDFInfo
- Publication number
- CN205778746U CN205778746U CN201620485531.9U CN201620485531U CN205778746U CN 205778746 U CN205778746 U CN 205778746U CN 201620485531 U CN201620485531 U CN 201620485531U CN 205778746 U CN205778746 U CN 205778746U
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- well head
- oil
- medicine
- packer
- well
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- 239000003814 drug Substances 0.000 title claims abstract description 31
- 238000011084 recovery Methods 0.000 title abstract description 4
- 239000003129 oil well Substances 0.000 claims abstract description 12
- 239000000126 substance Substances 0.000 claims description 41
- 230000007246 mechanism Effects 0.000 claims description 13
- 230000035939 shock Effects 0.000 claims description 10
- 238000000605 extraction Methods 0.000 claims description 8
- 229940079593 drug Drugs 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000001993 wax Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 239000003755 preservative agent Substances 0.000 description 2
- 230000002335 preservative effect Effects 0.000 description 2
- 241000406668 Loxodonta cyclotis Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000012925 reference material Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- -1 wherein Substances 0.000 description 1
Landscapes
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The application discloses well head charge system and oil recovery system, well head charge system includes: a medicine storage tank; the dosing device is arranged at the wellhead of the oil well; the medicine adding device is communicated with the medicine storage tank; a packer for sealing and separating the oil sleeve annulus; the dosing pipeline is communicated with the dosing device and penetrates through the packer in the air of the oil collar to extend into the position below the packer. The application discloses well head medicine system and oil recovery system can improve and add medicine in to oil jacket annular space.
Description
Technical field
The application relates to oilfield tools field；Particularly relate to a kind of well head medicine-adding system and oil extraction system.
Background technology
During oil field development, relating to the deep-well of high pressure, high-content wax, high-solidification point, this kind of well can go out
Now with oil gas ascending temperature lose and mobility decline to such an extent as to the problem of oil-line plugging, analyzing its reason is
Oil/gas Well fluid paraffin content is high, and freezing point height reaches its wax precipitation point and freezing point in migration process, and causes
The problem that above-mentioned oil well cannot be exploited.
And oil well is implemented anti-scaling measures, it is to ensure that the important means that oil well normally produces.At present, main
Scale removal measure be well-flushing, typically use acid descaling agent to carry out well-flushing for fouling well.But, wash
There is the shortcomings such as construction is loaded down with trivial details, cost is big, the cycle is short in well.Machinery snaking is for the breakage, stifled of equipment tool
Card and high Capital expenditure are all some problems that can run into.
Now, chemical agent antiscale is owing to having the advantages such as low cost, safe and reliable, effect is notable, by respectively
Elephant is favored.Above-mentioned asking can be solved under normal circumstances by the way of the chemical viscosity reductions such as oil jacket annular space dosing
Topic, but owing to this kind of well pressure is high, the degree of depth is big, cause casing programme complicated, annular space dosing is relatively difficult；
Meanwhile, this type of well is usually mounted with packer, carrys out formation protection top tubing and casing, and this can cause annular space equally
Dosing difficulty.
Utility model content
In view of the deficiencies in the prior art, the purpose of the application is to provide a kind of well head medicine-adding system and oil extraction system
So that dosing in oil jacket annular space can be improved.
For reaching above-mentioned purpose, the application provides a kind of well head medicine-adding system, including:
Medicine storing pot；
It is arranged at the chemicals dosing plant of well mouth of oil well；Described chemicals dosing plant connects with described medicine storing pot；
Packer by oil jacket annular space sealed separation；
Connecting the dosing pipeline of described chemicals dosing plant, described dosing pipeline passes described in described oil jacket annular space
Packer extend into the lower section of described packer.
As one preferred embodiment, described chemicals dosing plant is located in the four-way structure of described well head.
As one preferred embodiment, described chemicals dosing plant communicates with the horizontal port of described four-way structure.
As one preferred embodiment, described chemicals dosing plant includes dosing pump.
As one preferred embodiment, described chemicals dosing plant is provided with switching mechanism；Described switching mechanism exists
Chemicals dosing plant is opened to carry out dosing and to close dosing when sucker rod is up when sucker rod is descending.
As one preferred embodiment, described switching mechanism includes impact switch；Described impact switch bag
Include shock portion and switch portion；Described shock portion is located on sucker rod to move with described sucker rod；Described
Shock portion clashes into described switch portion and is opened by described chemicals dosing plant when sucker rod is descending.
As one preferred embodiment, described dosing pipeline is provided with ball-and-seat.
As one preferred embodiment, described packer includes cable-passing packer.
For reaching above-mentioned purpose, the application also provides for a kind of oil extraction system, including:
Producing well, it includes four-way structure, oil pipe and is sheathed on the sleeve pipe outside described oil pipe；Described sleeve pipe with
Oil jacket annular space it is provided with between described oil pipe；
As above the well head medicine-adding system described in any embodiment.
As one preferred embodiment, it is provided with sucker rod in described oil pipe；The lower section order of described oil pipe
Connect and have oil well pump, screen casing, plug.
By above technical scheme it can be seen that the well head medicine-adding system that present embodiment is provided arrange one with
The dosing pipeline of chemicals dosing plant connection, by this dosing pipeline through packer, thus completes under packer
Medicament injects in side, and therefore, the well head medicine-adding system that present embodiment is provided can be improved in oil jacket annular space
Dosing.
With reference to explanation hereinafter and accompanying drawing, disclose in detail particular implementation of the present utility model, specify
Principle of the present utility model can be in adopted mode.It should be understood that embodiment of the present utility model is at model
Place and be not so limited.In the range of the spirit and terms of claims, this utility model
Embodiment include many changes, revise and be equal to.
The feature described for a kind of embodiment and/or illustrate can be in same or similar mode at one
Or more other embodiment uses, combined with the feature in other embodiment, or substitute other
Feature in embodiment.
It should be emphasized that term " includes/comprises " referring to when using feature, one integral piece, step or assembly herein
Exist, but be not precluded from the existence of one or more further feature, one integral piece, step or assembly or additional.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below by right
In embodiment or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that below,
Accompanying drawing in description is only embodiments more of the present utility model, for those skilled in the art,
On the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the oil extraction system structural representation that a kind of embodiment of the application is provided.
Detailed description of the invention
For the technical scheme making those skilled in the art be more fully understood that in the application, below in conjunction with this
Accompanying drawing in application embodiment, is clearly and completely described the technical scheme in the embodiment of the present application,
Obviously, described embodiment is only some embodiments of the present application rather than whole embodiments.Base
Embodiment in the application, those of ordinary skill in the art are institute on the premise of not making creative work
The every other embodiment obtained, all should belong to the scope of this utility model protection.
It should be noted that when element is referred to as " being arranged at " another element, and it can be directly at another
On individual element or element placed in the middle can also be there is.When an element is considered as " connection " another yuan
Part, it can be directly to another element or may be simultaneously present centering elements.Used herein
Term " vertical ", " level ", "left", "right" and similar statement simply to illustrate that mesh
, being not offered as is unique embodiment.
Unless otherwise defined, all of technology used herein and scientific terminology with belong to of the present utility model
The implication that those skilled in the art are generally understood that is identical.Institute in description of the present utility model herein
The term used is intended merely to describe the purpose of specific embodiment, it is not intended that in limiting this utility model.
Term as used herein "and/or" includes the arbitrary and all of one or more relevant Listed Items
Combination.
Refer to Fig. 1, a kind of well head medicine-adding system schematic provided for a kind of embodiment of the application.?
In present embodiment, described well head medicine-adding system includes: medicine storing pot 100；It is arranged at the dosing of well mouth of oil well
Device 200；Described chemicals dosing plant 200 connects with described medicine storing pot 100；Oil jacket annular space 650 is sealed point
Every packer 300；Connecting the dosing pipeline 400 of described chemicals dosing plant 200, described dosing pipeline 400 exists
Described oil jacket annular space 650 extend into the lower section of described packer 300 through described packer 300.
During oil recovery, producing well is pumped by the reciprocating motion of sucker rod 690.In this process, dosing
Device 200 is by being injected into described packer 300 by the medicament in medicine storing pot 100 through dosing pipeline 400
Lower section.Wherein, medicament can include thinner, Wax removing agent, preservative etc..
By above technical scheme it can be seen that the well head medicine-adding system that present embodiment is provided arrange one with
The dosing pipeline 400 of chemicals dosing plant 200 connection, by this dosing pipeline 400 through packer 300, thus
Complete injecting medicament, therefore, the well head medicine-adding system energy that present embodiment is provided below packer 300
Enough improvement dosings in oil jacket annular space 650.
As it is shown in figure 1, medicine storing pot 100 can store medicament, wherein, medicament can include thinner, clear
Wax-proofing agent, preservative etc..Medicine storing pot 100 can be positioned near well head, it is also possible to is positioned over other positions
Chemicals dosing plant 200 is connected by pipeline.
Medicament in medicine storing pot 100 can be joined producing well by dosing pipeline 400 by chemicals dosing plant 200
In.Described chemicals dosing plant 200 is located in the four-way structure 800 of described well head.Add described in as it is shown in figure 1,
Medicine device 200 communicates with the horizontal port of described four-way structure 800.
Chemicals dosing plant 200 possesses various structures, and it can be to pump into structure, the most described chemicals dosing plant 200
Dosing pump can be included；Or, chemicals dosing plant 200 can also be valve mechanism, by opening valve by medicine
Agent is discharged.
In the present embodiment, chemicals dosing plant 200 can possess multiple structure, and, the dosing of different structure
Device 200 all can apply in present embodiment.Such as, the patent of patent No. ZL02237780.8 is draped over one's shoulders
The controllable well head chemial adder of dew i.e. can be applicable to present embodiment；Or, the patent No.
Non-powered mine mouth dosing device disclosed by the patent of ZL200720018976.7 also apply be applicable to this embodiment party
Formula；Also or, the wellhead chemicals-feeder disclosed by the patent of application number 201420416419.0 can also be applied
In present embodiment.
Wherein, chemicals dosing plant 200 can be automatic medicine adding apparatus 200, does not arrange in certain present embodiment
Except the embodiment using manual chemicals dosing plant 200.In the feelings that chemicals dosing plant 200 is automatic medicine adding apparatus 200
Under condition, the reciprocal of sucker rod 690 is generally used to run the dosing action performing chemicals dosing plant 200.
Described chemicals dosing plant 200 can be provided with switching mechanism, and described switching mechanism is when sucker rod 690 is descending
Open chemicals dosing plant 200 to carry out dosing and to close dosing when sucker rod 690 is up.Wherein, this switch
Mechanism can use valve switch or control the operation of pump, by linking with sucker rod 690, reaches
To the purpose controlling dosing.Certainly, this switching mechanism can also control opening and closing by the time, it is also possible to passes through
The signal that sensor is detected carries out opening and closing.In the present embodiment, preferred opening with chemicals dosing plant 200
Shutting mechanism matches as preferred embodiment with the reciprocating motion of sucker rod 690.
It is concrete as it is shown in figure 1, described switching mechanism can include impact switch.Described impact switch includes
Shock portion 201 and switch portion 202.Described shock portion 201 is located on sucker rod 690 with described oil pumping
Bar 690 moves.Wherein, switch portion 202 is located in the main part of chemicals dosing plant 200, chemicals dosing plant 200
Main part be located at as illustrated in fig. 1 at the upper port of well head four-way structure 800.Described shock portion 201
Clash into (pressure down) described switch portion 202 to be opened by described chemicals dosing plant 200 when sucker rod 690 is descending.
When sucker rod 690 is up, shock portion 201 moves with on sucker rod 690, and now switch portion 202 resets, dosing
Device 200 stops dosing.
As it is shown in figure 1, dosing pipeline 400 is arranged in oil jacket annular space 650, upper end connection four-way structure 800
Horizontal channel, this horizontal channel and chemicals dosing plant 200 pass through pipeline communication.Wherein, four-way structure 800
In, this horizontal channel and oil pipe in Vertical Channel 600 are hung by oil pipe 600 and are separated, so, medicament by
Chemicals dosing plant 200 can enter directly in dosing pipeline 400 after entering this horizontal channel.
Dosing pipeline 400 can be pipeline structure, and its caliber can be less than the width of oil jacket annular space 650.As
Shown in Fig. 1, the end of dosing pipeline 400 passes packer 300, extend into the lower section of packer 300,
Thus medicament is injected to the shaft bottom of producing well.
Described dosing pipeline 400 is provided with ball-and-seat (being referred to as check valve).Permissible by this ball-and-seat
Effectively prevent the medicinal liquid injecting shaft bottom from refluxing because of shaft bottom high pressure, it is to avoid dosing failure.Specifically such as Fig. 1 institute
Showing, ball-and-seat may be located at the top of packer 300, and optionally, ball-and-seat can be arranged near well head.
Described packer 300 includes cable-passing packer 300 (being referred to as pipe packer 300).Cross
Cable packer 300 is provided with and may pass through cable (in the present embodiment for passing for dosing pipeline 400)
Passage, ensureing on the basis of sealed separation oil jacket annular space 650, making dosing pipeline 400 pass through, and then
Improve the dosing work of the producing well being provided with packer 300.
Kind in view of cable-passing packer 300 is too much, and all can apply in present embodiment, than
As, the sealer for cable penetrating under well of disclosure, application number in the patent of patent No. ZL200720142786.6
201220004706.1 patent disclosed by can aerofluxus cable-passing packer, application number 200910052094.6
The integral combined cable-passing packer for deep well disclosed by patent etc..
As it is shown in figure 1, the another embodiment of the application also provides for a kind of oil extraction system, including: recover the oil
Well, it includes four-way structure 800, oil pipe 600 and is sheathed on the sleeve pipe 700 outside described oil pipe 600；Described
Oil jacket annular space 650 it is provided with between sleeve pipe 700 and described oil pipe 600；As above the well described in any embodiment
Mouth medicine system.Wherein, this well head medicine-adding system shape, construct and act on and be all referred to above-mentioned enforcement
Well head medicine-adding system in mode, repeats in present embodiment the most one by one.
In the present embodiment, four-way structure 800 is positioned at sleeve pipe 700 and the top of oil pipe 600, and well head adds
Medicine system can connect with this four-way structure 800.It is provided with sucker rod 690 in described oil pipe 600.Institute
State the lower section of oil pipe 600 to be linked in sequence oil well pump 660, screen casing 670, plug 680.Sucker rod 690 leads to
Cross drive oil well pump 660 reciprocating motion to pump.
Herein cited any digital value all includes between lower limit to higher limit with under an incremented
, between any lower value and any much higher value, there is the interval of at least two unit i.e. in value and all values of upper value
Can.For example, if elaborate the quantity of parts or process variable (such as temperature, pressure, time
Between etc.) value be from 1 to 90, preferably from 20 to 80, more preferably from 30 to 70, then purpose be in order to
Illustrate this description lists the most clearly such as 15 to 85,22 to 68,43 to 51,30 to 32 etc.
Value.For the value less than 1, suitably think that a unit is 0.0001,0.001,0.01,0.1.These
Only want the example clearly expressed, it is believed that the institute of the numerical value enumerated between minimum and peak
Likely combine and be expressly set forth in this description the most in a similar manner.
Except as otherwise noted, all scopes all include all numerals between end points and end points.With scope one
Act " about " or " approximation " used and be suitable for two end points of this scope.Thus, " about 20 to 30 "
It is intended to cover " about 20 to about 30 ", at least includes the end points indicated.
The all articles disclosed and reference material, including patent application and publication, pass through for various purposes
Quote and be hereby incorporated by.Describe combination term " substantially by ... constitute " should include determined by element, one-tenth
Point, parts or step and essentially without other elements of the basic novel feature affecting this combination, composition,
Parts or step.Use term " comprise " or " including " describe element here, composition, parts or
The combination of step is it is also contemplated that the embodiment that is substantially made up of these elements, composition, parts or step.This
In by use term " can ", it is intended to illustrate that described any attribute that " permissible " includes is all optional
's.
Multiple elements, composition, parts or step can be come by single integrated component, composition, parts or step
There is provided.Alternatively, single integrated component, composition, parts or step can be divided into separation multiple elements,
Composition, parts or step.It is used for describing the open "a" or "an" of element, composition, parts or step
Do not say to get rid of other element, composition, parts or step.
It should be understood that above description is to illustrate rather than to limit.By reading
Foregoing description, the many embodiments outside the example provided and many application are to those skilled in the art
For all will be apparent from.Therefore, the scope of this teaching should not determine with reference to foregoing description, and
It is to come really with reference to the four corner of the equivalent that claims and these claim are had
Fixed.Include that the disclosure of patent application and bulletin all passes through reference for comprehensive purpose, all articles and reference
It is incorporated herein.Any aspect omitting theme disclosed herein in aforementioned claim is not intended to
Abandon this body matter, also should not be considered as inventor and this theme is not thought of as disclosed utility model
A part for theme.
Claims (10)
1. a well head medicine-adding system, it is characterised in that including:
Medicine storing pot；
It is arranged at the chemicals dosing plant of well mouth of oil well；Described chemicals dosing plant connects with described medicine storing pot；
Packer by oil jacket annular space sealed separation；
Connecting the dosing pipeline of described chemicals dosing plant, described dosing pipeline passes described in described oil jacket annular space
Packer extend into the lower section of described packer.
2. well head medicine-adding system as claimed in claim 1, it is characterised in that: described chemicals dosing plant is located at institute
State in the four-way structure of well head.
3. well head medicine-adding system as claimed in claim 2, it is characterised in that: described chemicals dosing plant is with described
The horizontal port of four-way structure communicates.
4. well head medicine-adding system as claimed in claim 1, it is characterised in that: described chemicals dosing plant includes adding
Teat pipette.
5. well head medicine-adding system as claimed in claim 1, it is characterised in that: described chemicals dosing plant is provided with out
Shutting mechanism；Described switching mechanism opens chemicals dosing plant to carry out dosing and on sucker rod when sucker rod is descending
Dosing is closed during row.
6. well head medicine-adding system as claimed in claim 5, it is characterised in that: described switching mechanism includes hitting
Hit switch；Described impact switch includes shock portion and switch portion；Described shock portion be located on sucker rod with
Move with described sucker rod；Described shock portion clashes into described switch portion and described dosing is filled when sucker rod is descending
Put and open.
7. well head medicine-adding system as claimed in claim 1, it is characterised in that: described dosing pipeline is provided with
Ball-and-seat.
8. well head medicine-adding system as claimed in claim 1, it is characterised in that: described packer included electricity
Cable packer.
9. an oil extraction system, it is characterised in that including:
Producing well, it includes four-way structure, oil pipe and is sheathed on the sleeve pipe outside described oil pipe；Described sleeve pipe with
Oil jacket annular space it is provided with between described oil pipe；
Well head medicine-adding system as described in claim 1 to 8 is arbitrary.
10. oil extraction system as claimed in claim 9, it is characterised in that: it is provided with sucker rod in described oil pipe；
The lower section of described oil pipe has been linked in sequence oil well pump, screen casing, plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620485531.9U CN205778746U (en) | 2016-05-25 | 2016-05-25 | Well head medicine system and oil recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620485531.9U CN205778746U (en) | 2016-05-25 | 2016-05-25 | Well head medicine system and oil recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205778746U true CN205778746U (en) | 2016-12-07 |
Family
ID=58114123
Family Applications (1)
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| CN201620485531.9U Active CN205778746U (en) | 2016-05-25 | 2016-05-25 | Well head medicine system and oil recovery system |
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| Country | Link |
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| CN (1) | CN205778746U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761564A (en) * | 2017-02-23 | 2017-05-31 | 栾良辉 | Oil well dosing wax removal snaking hot washing device |
| CN107676063A (en) * | 2017-11-16 | 2018-02-09 | 钦州学院 | Working fluid injection device based on oil pumper |
| CN107725014A (en) * | 2017-11-16 | 2018-02-23 | 钦州学院 | Utilize the working fluid injection device of hydraulic power |
| CN114458244A (en) * | 2020-11-09 | 2022-05-10 | 中国科学院广州能源研究所 | Side pipe antisludging agent filling system |
-
2016
- 2016-05-25 CN CN201620485531.9U patent/CN205778746U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761564A (en) * | 2017-02-23 | 2017-05-31 | 栾良辉 | Oil well dosing wax removal snaking hot washing device |
| CN107676063A (en) * | 2017-11-16 | 2018-02-09 | 钦州学院 | Working fluid injection device based on oil pumper |
| CN107725014A (en) * | 2017-11-16 | 2018-02-23 | 钦州学院 | Utilize the working fluid injection device of hydraulic power |
| CN114458244A (en) * | 2020-11-09 | 2022-05-10 | 中国科学院广州能源研究所 | Side pipe antisludging agent filling system |
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