CN205858294U - A kind of oil well casing well-flushing filter - Google Patents
A kind of oil well casing well-flushing filter Download PDFInfo
- Publication number
- CN205858294U CN205858294U CN201620702904.3U CN201620702904U CN205858294U CN 205858294 U CN205858294 U CN 205858294U CN 201620702904 U CN201620702904 U CN 201620702904U CN 205858294 U CN205858294 U CN 205858294U
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- Prior art keywords
- filter
- connection member
- well
- filter cylinder
- sleeve pipe
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Abstract
The utility model discloses a kind of oil well casing well-flushing filter, filter is used for being arranged between well-flushing pump truck outlet line and wellhead casing pipe gate pipeline, it is characterised in that including: sleeve pipe；The first connection member being connected with the first end of sleeve pipe；First connection member is for being connected with wellhead casing pipe gate pipeline；The second connection member being connected with the second end of sleeve pipe；Second connection member is for being connected with well-flushing pump truck outlet line；And, filter assemblies, filter assemblies is arranged on inside pipe casing the first end near sleeve pipe；Filter assemblies includes the first filter cylinder, the second filter cylinder and filter screen；Second filter cylinder is set in the inside of the first filter cylinder；It is provided with filter opening on first filter cylinder and the second filter cylinder；Filter screen is arranged between the first filter cylinder and the second filter cylinder.This oil well casing well-flushing filter has good filtering and impurity removing effect to well-flushing water, the valve ball can being effectively prevented in pump valve and valve seat bad sealing, the even generation of pump card accident, makes crude oil production be smoothed out.
Description
Technical field
This utility model relates to filter technology field, particularly to a kind of oil well casing well-flushing filter.
Background technology
In oil well, pit shaft inner oil tube wax deposition can cause crude output to decline, and also can block oil pipe and cause oil well to stop time serious
Produce.It is thus desirable to removing tubing wax.The mode of current commonly used wax removal vehicle hot water circuit carries out hot-washing wax remover.Well-flushing water by
Oil well is entered by wellhead casing pipe gate after the output of well-flushing pump truck outlet line.
But owing to containing a certain amount of granular impurity in well-flushing water, during well-flushing, granular impurity can enter
Enter shaft bottom.If granular impurity adheres on the valve ball in pump valve, valve ball and valve base sealing can be caused not tight, thus affect
Pump efficiency, even causes pump card accident time serious.This kind of situation occurs, and workmen generally uses and touches pump measure, shakes off and adheres to
Granular impurity on valve ball, changes the oil well pump of underground work if desired.The most not only affect crude output, also increase oil
Field development cost.
Utility model content
In view of the above circumstances, this utility model embodiment technical problem to be solved is to provide a kind of oil well casing and washes
Well tube filter, described filter is used for being arranged between well-flushing pump truck outlet line and wellhead casing pipe gate pipeline, including:
Sleeve pipe；
The first connection member being connected with the first end of described sleeve pipe；Described first connection member is used for and described well head set
Pipe closer door pipeline connects；
The second connection member being connected with the second end of described sleeve pipe；Described second connection member is used for and described flushing pump
Car outlet line connects；
And,
Filter assemblies, described filter assemblies is arranged on described inside pipe casing the first end near described sleeve pipe；Described mistake
Filter assembly includes the first filter cylinder, the second filter cylinder and filter screen；Described second filter cylinder is set in the inside of described first filter cylinder；Described
It is provided with filter opening on one filter cylinder and described second filter cylinder；Described filter screen be arranged on described first filter cylinder and described second filter cylinder it
Between.
In a kind of preferred implementation of this utility model embodiment, described first connection member is reduced pipe, and
The heavy caliber end of described first connection member is connected with the first end of described sleeve pipe, the small-caliber end of described first connection member with
Described wellhead casing pipe gate pipeline connects；Described second filter cylinder is arranged on the heavy caliber end of described first connection member with small-bore
On the inner face at the position that end is connected；
Described second connection member is reduced pipe, and the of the heavy caliber end of described second connection member and described sleeve pipe
Two ends connect, and the small-caliber end of described second connection member is connected with described well-flushing pump truck outlet line.
In one of the present utility model more preferably embodiment, the mesh number of described filter screen is 100-200 mesh.
In one of the present utility model more preferably embodiment, described first filter cylinder and described second filter cylinder are circular cone
Shape filter cylinder；Described filter screen is conical sieve.
In one of the present utility model more preferably embodiment, at the cone ports of described second filter cylinder, it is welded in described
On the inner face at the position that the heavy caliber end of a junction part is connected with small-caliber end；Described second filter cylinder and described first filter
Cylinder is threaded connection.
In one of the present utility model more preferably embodiment, the filter opening of described first filter cylinder and described second filter cylinder is
Slot groove.
In one of the present utility model more preferably embodiment, the width of described slot groove is 4-6mm.
In one of the present utility model more preferably embodiment, described slot groove is staggered.
In one of the present utility model more preferably embodiment, described first connection member and described second connection member
It is with the connected mode of described sleeve pipe and threadeds；Described first connection member and the connection of described wellhead casing pipe gate pipeline
Mode is threaded；The connected mode of described second connection member and described well-flushing pump truck outlet line is for threadeding.
In one of the present utility model more preferably embodiment, described sleeve pipe is pipe body；Described first connection member
It is Concentric Reducers with described second connection member；Described sleeve pipe, described first connection member, described second connection member and
The dead in line of described filter assemblies.
Disclosed in this utility model, technical scheme provides the benefit that: well-flushing water is had by this oil well casing well-flushing filter
Well filtering and impurity removing effect, the valve ball can being effectively prevented in pump valve and valve seat bad sealing, the even generation of pump card accident,
Crude oil production is made to be smoothed out.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in this utility model embodiment, required in embodiment being described below
Accompanying drawing to be used is briefly described, it should be apparent that, the accompanying drawing in describing below is only realities more of the present utility model
Execute example, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to these accompanying drawings
Obtain other accompanying drawing.
The sectional view of the Fig. 1 a kind of oil well casing well-flushing filter for providing in this utility model embodiment；
Reference in figure represents respectively:
1, sleeve pipe；2, the first connection member；3, the second connection member；4, the first filter cylinder；5, filter screen；6, the second filter cylinder；7、
Filter opening；8, wellhead casing pipe gate pipeline；9, well-flushing pump truck outlet line；10, filter assemblies.
Detailed description of the invention
For making the technical solution of the utility model and advantage clearer, below in conjunction with accompanying drawing, this utility model is implemented
Mode is described in further detail.
The sectional view of the Fig. 1 a kind of oil well casing well-flushing filter for providing in this utility model embodiment.See Fig. 1,
This filter is used for being arranged between well-flushing pump truck outlet line and wellhead casing pipe gate pipeline, including:
Sleeve pipe 1；
The first connection member 2 being connected with the first end of sleeve pipe 1；First connection member 2 is used for and wellhead casing pipe gate tube
Line connects；
The second connection member 3 being connected with the second end of sleeve pipe 1；Second connection member 3 is used for and well-flushing pump truck outlet
Line connects；
And,
Filter assemblies 10, filter assemblies 10 is arranged on the first end of the internal and close sleeve pipe 1 of sleeve pipe 1；Filter assemblies 10 wraps
Include the first filter cylinder the 4, second filter cylinder 6 and filter screen 5；Second filter cylinder 6 is set in the inside of the first filter cylinder 4；First filter cylinder 4 and the second filter
It is provided with filter opening 7 on cylinder 6；Filter screen 5 is arranged between the first filter cylinder 4 and the second filter cylinder 6.
The filter that this utility model embodiment provides in use, by the first connection member 2 and wellhead casing pipe gate tube
Line 8 connects, and the second connection member 3 is connected with well-flushing pump truck outlet line 9, and well-flushing water is after well-flushing pump truck exports, through well-flushing
Pump truck outlet line 9 enters the filter interior that this utility model embodiment provides, after filter assemblies 10 filters, through well head
Sleeve gate pipeline 8 enters wellhead casing pipe gate, hence into oil well casing, is carried out oil well casing.In well-flushing water
Impurity will not enter oil well casing due to the stop of filter assemblies 10.To sum up, well-flushing water is had by this oil well casing well-flushing filter
Having good filtering and impurity removing effect, the valve ball can being effectively prevented in pump valve is sent out with valve seat bad sealing, even pump card accident
Raw, make crude oil production be smoothed out.
When well-flushing water is filtered, well-flushing water all be can be only achieved by filter assemblies 10 be filtered to remove in well-flushing water miscellaneous
The purpose of matter.Therefore, the filter assemblies 10 installation site in oil well casing well-flushing filter is that those skilled in the art can
Grasp voluntarily.Such as, filter assemblies 10 may be mounted at the inner side of cross section of sleeve pipe 1.In addition, new for this practicality
The specification of the oil well casing well-flushing filter that type provides, those skilled in the art can select according to the actual needs, and this practicality is new
Type is not specifically limited at this and describes.
As it is shown in figure 1, the left end of sleeve pipe 1 that is respectively in Fig. 1 of the second end of the first end of sleeve pipe 1 and sleeve pipe 1 and right-hand member.
Herein, the first end being intended merely to the clear and definite and convenient of statement and define and the second end.When the sleeve pipe 1 in Fig. 1 is inverted
When 180 °, the first end then becomes right-hand member, and the second end then becomes left end.It addition, the sleeve pipe 1 in Fig. 1 can also carry out the anglec of rotation
It it is the rotation clockwise or counter-clockwise of 90 °.Now, the first end and second end of the sleeve pipe 1 in Fig. 1 also can become top
One end or one end of lower section.It addition, the rotation of other angles can certainly be carried out.
In actual applications, owing to filter screen 5 quality is soft, easily damaged, the first filter cylinder 4 and the second filter cylinder is placed in its both sides
6, can effectively prevent filter screen 5 from damaging, and the first filter cylinder 4 can first remove the large grained impurity in well-flushing water.So can subtract
The load of little filter screen 5, extends the service life of filter screen 5.
Those skilled in the art can according to needs of production select the first connection member 2 of being connected with sleeve pipe 1 and
Second connection member 3, to realize effectively being connected of sleeve pipe and wellhead casing pipe gate pipeline and well-flushing pump truck outlet line.Preferably
Ground, the first connection member 2 is reduced pipe, and its heavy caliber end is connected with the first end of sleeve pipe 1, its small-caliber end and well head set
Pipe closer door pipeline connects；Second filter cylinder 6 is arranged on the inner surface connecting heavy caliber end and small-caliber end of the first connection member 2
On；Second connection member 3 is reduced pipe, and its heavy caliber end is connected with the second end of sleeve pipe 1, its small-caliber end and flushing pump
Car outlet line connects.The design of this structure can make well-flushing water be flowed into the oil well casing well-flushing mistake bigger than well-flushing pump truck line pipe footpath
Slow down flow velocity during filter, after filter assemblies 10 filters, slow down again the speed flowing into sleeve gate pipeline, increase well-flushing water and exist
The time of staying of oil well casing well-flushing filter, strengthen the filtering and impurity removing effect to well-flushing water.
According to the granular size of the impurity in well-flushing water, when the mesh number of filter screen 5 is 100-200 mesh, can be by well-flushing water
Overwhelming majority impurity removes.
Further, in actual applications, the well-flushing water pumped out from well-flushing pump truck has the highest pressure, flow velocity quickly, by
It is cone that one filter cylinder the 4, second filter cylinder 6 and filter screen 5 can be designed to cone, i.e. filter assemblies 10.The design of this structure can make
Filter assemblies has certain angle with the flow direction of well-flushing water, can change the flow direction of well-flushing water, slow down the flow velocity of well-flushing water, further
Strengthen the filtration effect to well-flushing water.
Further, the filter opening 7 of the first filter cylinder 4 and the second filter cylinder 6 can be slot groove.According to actual needs, slot groove
Width can be 4-6mm, it is preferable that can be 5mm.
Additionally, in this utility model embodiment, the slot groove of the first filter cylinder 4 can be staggered, the second filter cylinder 6
Slot groove can also be staggered, can also be for handing between slot groove and the slot groove of the second filter cylinder 6 of the first filter cylinder 4
Staggered arrangement cloth, to increase the well-flushing water time of staying in filter assemblies 10, strengthens the filter effect to well-flushing water.
Disclosed in this utility model, oil well casing well-flushing filter can be repeatedly used for a long, at the well-flushing of filter some amount
After water, the filter assemblies 10 in filter can adhere to a lot of impurity, not only affects the impurity-eliminating effect to well-flushing water and has an effect on remove impurity
Efficiency, therefore wants periodically to be carried out oil well casing well-flushing filter.Clean and change filter screen 5, the second filter cylinder 6 for convenience
Cone ports at can be welded on the inner face at the position that the heavy caliber end of the first connection member 2 is connected with small-caliber end；
Second filter cylinder 6 is threaded connection with the first filter cylinder 4.
Further, for easy accessibility, and in order to adapt to long-term operation at high water pressures, the first connection member 2 He
Second connection member 3 can be with the connected mode of sleeve pipe 1 threadeds.It is specifically as follows, at first end and of sleeve pipe 1
Two end inner surfacies are respectively provided with female thread, and the outer surface at the first connection member 2 and the heavy caliber end of the second connection member 3 is arranged
The external screw thread matched with the female thread of sleeve pipe 1.First connection member 2 is permissible with the connected mode of wellhead casing pipe gate pipeline 8
For threaded；Second connection member 3 can be to threaded with the connected mode of well-flushing pump truck outlet line 9.The most permissible
For: the outer surface of wellhead casing pipe gate pipeline 8 and well-flushing pump truck outlet line 9 is respectively arranged with external screw thread, the first connection member 2
It is provided with and wellhead casing pipe gate pipeline 8 and well-flushing pump truck outlet line 9 with the inner surface of the small-caliber end of the second connection member 3
The female thread that matches of external screw thread.
The oil well casing well-flushing filter provided for this utility model, usual sleeve pipe 1 can be pipe body；First connects
Parts 2 and the second connection member 3 can be Concentric Reducers；Sleeve pipe the 1, first connection member the 2, second connection member 3 and mistake
The dead in line of filter assembly 10.So this filter is rotary structure on the whole, convenient manufacture and use.
From above-described embodiment, disclosed in this utility model, well-flushing water is had very by a kind of oil well casing well-flushing filter
Good filtering and impurity removing effect.In use, installation and removal are convenient, are a very useful well-flushing filters.
The above is for only for ease of those skilled in the art and understands the technical solution of the utility model, not in order to
Limit this utility model.All within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made,
Within should be included in protection domain of the present utility model.
Claims (10)
1. an oil well casing well-flushing filter, described filter is used for being arranged on well-flushing pump truck outlet line and wellhead casing pipe lock
Between door pipeline, it is characterised in that including:
Sleeve pipe (1)；
The first connection member (2) being connected with the first end of described sleeve pipe (1)；Described first connection member (2) is for described
Wellhead casing pipe gate pipeline connects；
The second connection member (3) being connected with the second end of described sleeve pipe (1)；Described second connection member (3) is for described
Well-flushing pump truck outlet line connects；
And,
Filter assemblies (10), described filter assemblies (10) is arranged on the first of the internal and close described sleeve pipe (1) of described sleeve pipe (1)
End；Described filter assemblies (10) includes the first filter cylinder (4), the second filter cylinder (6) and filter screen (5)；Described second filter cylinder (6) is set in
The inside of described first filter cylinder (4)；It is provided with filter opening (7) on described first filter cylinder (4) and described second filter cylinder (6)；Described
Filter screen (5) is arranged between described first filter cylinder (4) and described second filter cylinder (6).
Filter the most according to claim 1, it is characterised in that described first connection member (2) is reduced pipe, and institute
First end of the heavy caliber end and described sleeve pipe (1) of stating the first connection member (2) is connected, described first connection member (2) little
Bore end is connected with described wellhead casing pipe gate pipeline；Described second filter cylinder (6) is arranged on the big of described first connection member (2)
On the inner face at the position that bore end is connected with small-caliber end；
Described second connection member (3) is reduced pipe, and the heavy caliber end of described second connection member (3) and described sleeve pipe
(1) the second end connects, and the small-caliber end of described second connection member (3) is connected with described well-flushing pump truck outlet line.
Filter the most according to claim 1, it is characterised in that the mesh number of described filter screen (5) is 100-200 mesh.
Filter the most according to claim 2, it is characterised in that described first filter cylinder (4) and described second filter cylinder (6) are equal
For cone filter cylinder；Described filter screen (5) is conical sieve.
Filter the most according to claim 4, it is characterised in that be welded in institute at the cone ports of described second filter cylinder (6)
State on the inner face at the position that the heavy caliber end of the first connection member (2) is connected with small-caliber end；Described second filter cylinder (6) with
Described first filter cylinder (4) is threaded connection.
6. according to the filter described in any one of claim 1 to 5, it is characterised in that described first filter cylinder (4) and described second
The filter opening (7) of filter cylinder (6) is slot groove.
Filter the most according to claim 6, it is characterised in that the width of described slot groove is 4-6mm.
Filter the most according to claim 6, it is characterised in that described slot groove is staggered.
9. according to the filter described in claim 2 or 5, it is characterised in that described first connection member (2) and described second is even
Relay part (3) is with the connected mode of described sleeve pipe (1) threadeds；Described first connection member (2) and described well head set
The connected mode of pipe closer door pipeline is threaded；Described second connection member (3) and the company of described well-flushing pump truck outlet line
The mode of connecing is threaded.
10. filter as claimed in claim 4, it is characterised in that described sleeve pipe (1) is pipe body；Described first connecting portion
Part (2) and described second connection member (3) are Concentric Reducers；Described sleeve pipe (1), described first connection member (2), described
Second connection member (3) and the dead in line of described filter assemblies (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620702904.3U CN205858294U (en) | 2016-07-05 | 2016-07-05 | A kind of oil well casing well-flushing filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620702904.3U CN205858294U (en) | 2016-07-05 | 2016-07-05 | A kind of oil well casing well-flushing filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205858294U true CN205858294U (en) | 2017-01-04 |
Family
ID=57645556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620702904.3U Active CN205858294U (en) | 2016-07-05 | 2016-07-05 | A kind of oil well casing well-flushing filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205858294U (en) |
-
2016
- 2016-07-05 CN CN201620702904.3U patent/CN205858294U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |