CN208220762U - Filter device and oil extraction system - Google Patents
Filter device and oil extraction system Download PDFInfo
- Publication number
- CN208220762U CN208220762U CN201820565791.6U CN201820565791U CN208220762U CN 208220762 U CN208220762 U CN 208220762U CN 201820565791 U CN201820565791 U CN 201820565791U CN 208220762 U CN208220762 U CN 208220762U
- Authority
- CN
- China
- Prior art keywords
- oil
- guide pipe
- oil guide
- filter
- filter device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
It includes: the first oil guide pipe, oil nozzle and filter that the utility model, which provides a kind of filter device and oil extraction system, the filter device,；The first end of first oil guide pipe is connected to production tree；Oil nozzle includes oil inlet end and oil outlet, oil inlet passage is internally offered by oil inlet end, oil discharge passage is internally offered by oil outlet, oil inlet passage is connected to oil discharge passage by the throttling passage in oil nozzle, oil inlet passage is connected to the first oil guide pipe, and oil discharge passage is connected to conveyance conduit；Filter is arranged in the first oil guide pipe and between oil inlet end and first end, to prevent impurity from entering in oil inlet passage；Filter can prevent paraffin or other impurities in crude oil from flowing through, and then paraffin or other impurities is avoided to be flowed into throttling passage through oil inlet passage, prevent throttling passage from blocking.
Description
Technical field
The utility model relates to oil exploitation technology more particularly to a kind of filter devices and oil extraction system.
Background technique
During oil exploitation, the crude oil pressure inside oil well just drilled through is higher, under the effect of the pressure, in oil well
Portion's crude oil can be flowed to the ground and then be flowed out by the production valve on production tree, be flowed into conveyance conduit later, by crude oil
It is transported in storage facilities；How to avoid the crude oil pressure in conveyance conduit excessive, and then prevents damage storage facilities or defeated
Pipeline is sent to have become a hot topic of research.
In the prior art, often production valve and conveyance conduit between oil nozzle is set, oil nozzle is cylindrical, from oil inlet end to
Inner recess is formed with oil inlet passage, is internally recessed by oil outlet and is formed with oil discharge passage, oil inlet passage and oil discharge passage it
Between by the throttling passage connection in oil nozzle, the area of section of throttling passage is less than the area of section and oil discharge passage of oil inlet passage
Area of section；Oil inlet passage is connected to the production pipe on production tree, and oil discharge passage is connected to conveyance conduit.When work, by adopting
The crude oil of oil tree outflow is flowed into oil inlet passage through producing pipe, and later, crude oil is flowed into oil discharge passage through throttling passage, into
And it is flowed into conveyance conduit；When crude stream is through throttling passage, crude oil and then can make fuel-displaced with the sidewall friction of throttling passage
Crude oil pressure in channel is less than the crude oil pressure in oil inlet passage；To reduce the crude oil pressure in conveyance conduit, pressure is avoided
Excessively high damage storage facilities or conveyance conduit.
However, in the prior art, during crude oil is dynamic to surface flow in oil well, temperature is gradually decreased, so that crude oil
The paraffin of middle dissolution condenses, and the paraffin after condensation is easy blocking throttling passage, in turn results in crude oil production termination, influences crude oil
Production.
Utility model content
The utility model provides a kind of filter device and oil extraction system, to solve in the prior art, crude oil in oil well to
During ground is flowed, temperature is gradually decreased, so that the paraffin condensation dissolved in crude oil, the paraffin after condensation are easy blocking section
The technical issues of circulation road.
The utility model provides a kind of filter device, comprising: the first oil guide pipe, oil nozzle and filter；Described first leads
The first end of oil pipe is connected to production tree；The oil nozzle includes oil inlet end and oil outlet, is internally offered by the oil inlet end
Oil inlet passage internally offers oil discharge passage, the oil inlet passage and the oil discharge passage described in by the oil outlet
Throttling passage connection in oil nozzle, the oil inlet passage are connected to first oil guide pipe, the oil discharge passage and conveyance conduit
Connection；The filter is arranged in first oil guide pipe and between the oil inlet end and the first end, to prevent
Impurity enters in the oil inlet passage.
Filter device as described above, it is preferable that the filter includes filter plate, and multiple mistakes are opened up on the filter plate
Filter opening.
Filter device as described above, it is preferable that the filter device further includes the second oil guide pipe, second oil guide pipe
One end be connected to the production tree, oil outlet, the institute of first oil guide pipe are offered on the side wall of second oil guide pipe
First end is stated to be connected to the oil outlet；The other end of second oil guide pipe is closed by plugging block.
Filter device as described above, it is preferable that the filter device further includes heating device, the heating device setting
On the outer wall of second oil guide pipe, to be heated to second oil guide pipe.
Filter device as described above, it is preferable that the heating device includes electric-heating belt, and the electric-heating belt is wrapped in
On second oil guide pipe.
Filter device as described above, it is preferable that the diameter of second oil guide pipe is greater than the straight of first oil guide pipe
Diameter.
Filter device as described above, it is preferable that the plugging block is removably connect with second oil guide pipe.
Filter device as described above, it is preferable that the plugging block includes torsional part and sealing column, in the sealing column
Be provided with sealing external screw thread, the other end of second oil guide pipe is provided with sealing internal screw thread, the sealing external screw thread with it is described
Seal screw-internal thread fit.
Filter device as described above, it is preferable that the oil nozzle is removably connect with first oil guide pipe.
The utility model additionally provides a kind of oil extraction system, comprising: production tree, conveyance conduit and filtering as described above
Device；The production tree is connected to the oil pipe in oil well, and the conveyance conduit is connected by the filter device and the production tree
It is logical.
Filter device and oil extraction system provided by the utility model are connected by the first end and production tree that make the first oil guide pipe
Logical, the oil inlet passage of oil nozzle is connected to the first oil guide pipe, and the oil discharge passage of oil nozzle is connected to conveyance conduit, and inflow pipeline with
Flowline passes through the throttling passage connection inside oil nozzle；Filter is set inside the first oil guide pipe, and filter is arranged
Between oil inlet end and first end；Enable filter that the paraffin in crude oil or other impurities is prevented to flow through, and then avoids stone
Wax or other impurities are flowed into throttling passage through oil inlet passage, prevent throttling passage from blocking.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is
Some embodiments of the utility model, for those of ordinary skill in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of filter device in the utility model embodiment；
Fig. 2 is the cross-sectional view of Fig. 1；
Fig. 3 is the structural schematic diagram of oil nozzle in Fig. 1；
Fig. 4 is the structural schematic diagram of filter in Fig. 1；
Fig. 5 is the structural schematic diagram of plugging block in Fig. 1.
Description of symbols:
10, the first oil guide pipe；
20, oil nozzle；
30, conveyance conduit；
40, filter；
50, the second oil guide pipe；
60, electric-heating belt；
201, oil inlet passage；
202, throttling passage；
203, oil discharge passage；
401, filter plate；
402, filter hole；
501, plugging block；
5011, sealing column；
5012, torsional part.
Specific embodiment
During crude oil production, the position of detection underground reservoir is needed first, drills out well from ground to underground later
Pipe, the bottom end of well casing is connected to oil reservoirs；Make the rock for being located at oil reservoirs by injecting the method for high pressure fracture liquid after this
Rupture, the crack of generation facilitate crude oil to well casing internal flow, are convenient for crude oil production.Oil pipe, oil pipe are equipped in well casing
Bottom end be connected to oil reservoirs, later oil pipe top be arranged production tree, be connected to the bottom end of production tree with the top of oil pipe,
So that the crude oil in oil reservoirs is input to production tree through oil pipe.
Wherein, oil pipe is generally cast iron pipe or steel pipe, and oil pipe generally comprises multiple connecting tubes, one end of each connecting tube
It is formed with external screw thread, the other end is formed with internal screw thread, the screw-internal thread fit on the external screw thread of previous connecting tube and latter connecting tube；
Or the external screw thread in the internal screw thread of previous connecting tube and latter connecting tube cooperates, and all connecting tubes are in turn connected into oil
Pipe.In addition it is set up between oil pipe and the side wall of well casing and is equipped with packer, to guarantee the leakproofness between oil pipe and well casing.
Production tree is a kind of control head, and the bottom end of production tree is connected to oil pipe, so that the crude oil in oil pipe can be with
Into in production tree；It is provided with multiple production pipes on production tree, production valve is provided on each production pipe, to control production
The on-off of pipe；Production pipe can be connected to conveyance conduit, and the crude oil in production tree is input in oil storage tank or is transported extremely
Multi-purpose station, and then realize crude oil production.
Higher due to just carrying out post-fracturing oil well internal pressure, the crude oil in oil reservoirs flows to the ground under pressure
It is dynamic, and then flowed out by the production pipe on production tree；In order to avoid the crude oil hypertonia being input in transfer passage, and then to defeated
It send pipeline or oil storage tank to impact, oil nozzle often is set between production pipe and conveyance conduit；Oil nozzle is cylindrical, by oil inlet
End internally recess is formed with oil inlet passage, internally be recessed by oil outlet and is formed with oil discharge passage, oil inlet passage and it is fuel-displaced lead to
By the throttling passage connection in oil nozzle between road, the area of section of throttling passage is less than the area of section of oil inlet passage, simultaneously
Area of section of the area of section of throttling passage again smaller than oil discharge passage；Oil inlet passage with production pipe be connected to, oil discharge passage with it is defeated
Pipeline is sent to be connected to.When work, it is flowed into oil inlet passage by the crude oil of production tree outflow through producing pipe, later, crude oil is through throttling
Channel is flowed into oil discharge passage, and then is flowed into conveyance conduit；It, can be with throttling passage when crude stream is through throttling passage
Sidewall friction, and then the crude oil pressure in oil discharge passage is made to be less than the crude oil pressure in oil inlet passage；To reduce in conveyance conduit
Crude oil pressure, avoid hypertonia damage storage facilities or conveyance conduit
However, temperature gradually decreases, so that the paraffin dissolved in crude oil during crude oil is dynamic to surface flow in oil well
Condensation, the paraffin after condensation are easy blocking throttling passage, in turn result in crude oil production termination, influence the production of crude oil.For upper
Problem is stated, the utility model embodiment provides a kind of filter device, and the paraffin in crude oil can be prevented using the filter device
Or other impurities flow through, and then paraffin or other impurities is avoided to be flowed into throttling passage through oil inlet passage, prevent throttling passage
Obstruction.
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.In the absence of conflict, the feature in following embodiment and embodiment can be mutual group
It closes.
Fig. 1 is the structural schematic diagram of filter device in the utility model embodiment；Fig. 2 is the cross-sectional view of Fig. 1；Fig. 3 is Fig. 1
The structural schematic diagram of middle oil nozzle；Fig. 4 is the structural schematic diagram of filter in Fig. 1；Fig. 5 is the structural schematic diagram of plugging block in Fig. 1.
Please refer to Fig. 1-Fig. 5.The utility model embodiment provides a kind of filter device, comprising: the first oil guide pipe 10, oil nozzle
20 and filter 40；The first end of first oil guide pipe 10 is connected to production tree；Oil nozzle 20 include oil inlet end and oil outlet, by into
Oily end internally offers oil inlet passage 201, internally offers oil discharge passage 203 by oil outlet, oil inlet passage 201 with it is fuel-displaced
Channel 203 is connected to by the throttling passage 202 in oil nozzle 20, and oil inlet passage 201 is connected to the first oil guide pipe 10, oil discharge passage
203 are connected to conveyance conduit 30；Filter 40 is arranged in the first oil guide pipe 10 and between oil inlet end and first end, with
Impurity is prevented to enter in oil inlet passage 201.
In the present embodiment the material of the first oil guide pipe 10 can there are many, such as: the first oil guide pipe 10 can be for by copper, iron
Or the metal tube that the metal materials such as aluminium are constituted；Or first non-metallic pipe enough by non-metallic materials such as plastics of oil guide pipe 10.Separately
Outside, in the present embodiment the first oil guide pipe 10 cross sectional shape can there are many, such as: the section of the first oil guide pipe 10 can in circle
The section of the regular shapes such as shape, triangle, rectangle or the first oil guide pipe 10 is in other irregular shapes.
Connection type in the present embodiment between the first end and production tree of the first oil guide pipe 10 can be a variety of, as long as guaranteeing
Crude oil can be flowed into the first oil guide pipe 10 by the production pipe of production tree；Such as: the first end of the first oil guide pipe 10 can
To connect by welding with the production pipe on production tree, bonding strength is higher and leakproofness is preferable.Alternatively, first leads
It is connected between oil pipe 10 and production pipe by flange apparatus, flange apparatus includes first flange disk and second flange disk；First leads
The first end of oil pipe 10 is connect by welding with the side of first flange disk, is provided on first flange disk and is led with first
The first through hole that oil pipe 10 is connected to；The end of production pipe is connect by welding with the side of second flange disk, the second method
The second through-hole being connected to production pipe is provided on blue disk；By the another of the other side of first flange disk and second flange disk when installation
Side fitting, and make to connect between first flange disk and second flange disk by fastening bolt, and then realize the first oil guide pipe
Connection between 10 and production pipe；The crude oil in pipe is produced followed by the first Oil Guide is flowed into after the second through-hole and first through hole
In pipe 10；It preferably, can be in first flange disk and the second method in order to guarantee the leakproofness between first flange disk and second flange disk
Seal washer is set between blue disk, by screwing fastening bolt, first flange disk and second flange disk can be made to compress seal washer,
And then prevent crude oil by flowing out between first flange disk and second flange disk；Seal washer can be the rubber being mainly made of rubber
Circle.
In the present embodiment the shape of oil nozzle 20 can there are many, such as: oil nozzle 20 can be cylindrical, at this time oil inlet end and
Oil outlet is located at the both ends of oil nozzle 20, offers throttling passage 202 in the bottom of oil inlet passage 201 and oil discharge passage 203,
The centerline collineation setting of the center line of throttling passage 202, the center line of oil inlet passage 201 and oil discharge passage 203 at this time；Or
Person, oil inlet end are located on the end face of oil nozzle 20, and oil outlet is located on the side of oil nozzle 20, and the bottom of oil inlet passage 201 is set at this time
Throttling passage 202 is set, the end of throttling passage 202 is connected to oil discharge passage 203, and the center line of oil inlet passage 201 and throttling are logical
The centerline collineation in road 202 is arranged, and the center line of oil discharge passage 203 can be arranged with the central axis of throttling passage 202, or
The center line of person's oil discharge passage 203 can have certain angle with the centreline space of throttling passage 202.Alternatively, oil nozzle 20 is in
Rectangular-shape, oil inlet end and oil outlet are located on two sides of oil nozzle 20 at this time, the center line of oil inlet passage 201 and go out
The central axis in oily channel 203, the both ends of throttling passage 202 are connected to oil inlet circulation passage and oil discharge passage 203 respectively.
It should be noted that the area of section of throttling passage 202 is less than the area of section of oil inlet passage 201, and throttle
Area of section of the area of section in channel 202 again smaller than oil discharge passage 203；When so that crude stream is through throttling passage 202, with throttling
The sidewall friction in channel 202, and then the crude oil pressure in oil discharge passage 203 is made to be less than the crude oil pressure in oil inlet passage 201, with
The crude oil pressure for exempting to be input in oil pipeline or oil storage tank is excessive.Area of section by changing throttling passage 202 can be adjusted
Save the crude oil pressure difference in oil inlet passage 201 and oil discharge passage 203.
There are many connection types in the present embodiment between oil nozzle 20 and the first oil guide pipe 10, such as: on oil nozzle 20 into
Oily end is connect by welding with second end opposite with first end on the first oil guide pipe 10 or oil nozzle 20 is led with first
Oil pipe 10 is integrally formed by way of casting.In addition, the oil inlet pipe of oil nozzle 20 can also be logical with the side wall of the first oil guide pipe 10
The mode for crossing welding connects, and needs to close the second end of the first oil guide pipe 10 at this time, and on the side wall of the first oil guide pipe 10
Open up the fuel feed hole being connected to oil inlet passage 201.
In the present embodiment filter 40 can there are many, as long as guarantee filter 40 can prevent the paraffin condensed in crude oil
Or other impurity enter in oil inlet passage 201, and such as: filter 40 may include multiple Filter columns, each mistake
The both ends of filter column are welded with 10 inner wall of the first oil guide pipe, and multiple Filter columns are in same plane and the setting at interval, are passed through
Spaced Filter column can prevent paraffin or other impurities from entering in oil inlet passage 201, and then avoid throttling passage 202
Obstruction.
Alternatively, filter 40 includes filter screen and terminal pad, mounting hole is offered in terminal pad, filter screen is mounted on
It fills in hole；First oil guide pipe 10 includes first segment and second segment, and one end of first segment is connect with production pipe, the other end of first segment
Edge is formed with the first flange connector, and one end of second segment is connect with oil nozzle 20, and another end margin of second segment is formed with second
Flange connector；When installation, terminal pad is folded between the first flange connector and the second flange connector, and the first flange connector
It is bolted with the second flange connector by the first connection, at this point, first segment is connected to second segment by mounting hole；Crude oil is by giving birth to
It is entered in first segment after producing pipe outflow, and then the mesh through the filter screen in mounting hole is flowed into second segment, filter screen can
To prevent paraffin in first segment and other impurities from entering in second segment.When filter screen blocks or damages, first is connected
Connecting bolt on the first flange connector and the second flange connector by disassembling, so that first segment and second segment separation, replaceable mistake
Filter 40.It should be noted that filter screen can be the metal mesh being mainly made of metal materials such as copper, iron, aluminium, or filtering
The nonmetallic net that host will be made of non-metallic materials such as plastics, nylon.
The course of work of filter device provided in this embodiment are as follows: the production valve on production tree is opened, in production tree
Crude oil is flowed into the first oil guide pipe 10 through producing pipe, and the filter 40 in the first oil guide pipe 10 can prevent in crude oil
Paraffin or other impurities to oil nozzle 20 flow；Crude oil enters the oil inlet passage of oil nozzle 20 after being flowed out by the first oil guide pipe 10
In 201, and then it is flowed into throttling passage 202；When crude stream is through throttling passage 202, the inner wall of crude oil and throttling passage 202
Contact, so that the pressure reduction of crude oil；Crude oil is by being flowed into conveyance conduit 30 through oil discharge passage 203 after the outflow of throttling passage 202
It is interior.
Filter device provided in this embodiment, by being connected to the first end of the first oil guide pipe 10 with production tree, oil nozzle 20
Oil inlet passage 201 be connected to the first oil guide pipe 10, the oil discharge passage 203 of oil nozzle 20 is connected to conveyance conduit 30, and oil inlet
Pipeline is connected to flowline by the throttling passage 202 inside oil nozzle 20；Filter 40 is set inside the first oil guide pipe 10,
And filter 40 is arranged between oil inlet end and first end；Enable filter 40 to prevent the paraffin in crude oil or other are miscellaneous
Mass flow mistake, and then paraffin or other impurities is avoided to be flowed into throttling passage 202 through oil inlet passage 201, prevent throttling passage 202
Obstruction.
With continued reference to Fig. 2 and Fig. 4.Specifically, filter 40 includes filter plate 401, opens up multiple filterings on filter plate 401
Hole 402.Paraffin or other impurities in crude oil is prevented to flow through by multiple filter hole 402 on filter plate 401, structure is simple,
And manufacture easy to process.
It should be noted that filter plate 401 is arranged perpendicular to the center line of the first oil guide pipe 10, and filter plate 401
Cross sectional shape is identical as the cross sectional shape of the first oil guide pipe 10, and the edge of filter plate 401 can be by welding with first
The inner wall of oil guide pipe 10 connects.The diameter of reasonable setting filter hole 402, can and adjust the maximum for allowing to flow through filter 40
The partial size of particle.
With continued reference to Fig. 1 and Fig. 2.Specifically, filter device further includes the second oil guide pipe 50, one end of the second oil guide pipe 50 with
Production tree is connected to, and offers oil outlet on the side wall of the second oil guide pipe 50, the first end of the first oil guide pipe 10 is connected to oil outlet；
The other end of second oil guide pipe 50 is closed by plugging block 501.In the center line of first oil guide pipe 10 and the second oil guide pipe 50
Heart line is vertically arranged, so that the crude oil flow direction in the first oil guide pipe 10 and the crude oil flow direction in the second oil guide pipe 50 are hung down
Directly, in order to avoid paraffin or other impurities in the second oil guide pipe 50 pass through filter 40 under the action of inertia, so enter into
In oily channel 201, filtration inefficiencies are caused.
Preferably, filter 40 is arranged as close as possible to the first end of the first oil guide pipe 10, so as to be blocked on filter 40
Paraffin can fall in the second oil guide pipe 50, avoid paraffin from accumulating on filter 40, so block the first oil guide pipe 10.
Preferably, plugging block 501 can be connect with the other end of the second oil guide pipe 50 by welding, to prevent
Crude oil in two oil guide pipes 50 is flowed out by the other end of the second oil guide pipe 50, alternatively, plugging block 501 is by way of casting with the
Two oil guide pipes 50 are integrally formed.
Specifically, filter device further includes heating device, and heating device is arranged on the outer wall of the second oil guide pipe 50, with right
The heating of second oil guide pipe 50.Heating device heats the second oil guide pipe 50, and then makes the melted paraffin wax in the second Oil Guide, after fusing
Paraffin can be flowed into conveyance conduit 30 by filter 40, and through oil nozzle 20；In order to avoid paraffin is in the second oil guide pipe 50
Interior accumulation.
The present embodiment to heating device with no restrictions, such as: heating device may include being wrapped on the second oil guide pipe 50
Heating tube, heating container and delivery pump, heat the import of container and the outlet of delivery pump, heat the outlet of container with
One end of heating tube is connected to, the other end of heating tube and the inlet communication of delivery pump；Heating container in filling by water or its
The heat medium that his liquid is constituted；When work, by fuel such as burning coal, natural gas, petroleum to heating container heating, so that plus
Hot Jie's temperature increases；The pump work of control conveying at the same time, delivery pump can input the heat medium of high temperature in heating tube, into
And heating tube heats the second oil guide pipe 50, and will be in the low-temperature heat medium input heating container in the second oil guide pipe 50.
Alternatively, heating device includes the heating wire being wrapped on the second oil guide pipe 50, the both ends of heating wire and respectively with the two poles of the earth of power supply
Connection, when electric current flows through heating wire, electrothermal wire heating, and then realize the heating to the second oil guide pipe 50.
With continued reference to Fig. 2.Specifically, heating device includes electric-heating belt 60, and electric-heating belt 60 is wrapped in the second oil guide pipe
On 50.Its power gradually lowers electric-heating belt 60 as the temperature rises, the temperature of the second oil guide pipe 50 can be maintained compared with
In constant range, to avoid the temperature of the second oil guide pipe 50 excessively high；In addition, half torrid zone 60 of electricity arbitrarily can be cut short or dock and prolong
It is long, to adapt to the length and caliber of the second oil guide pipe 50.
Electric-heating belt 60 is made of conducting polymer and two parallel metal wires and insulating layer, conducting polymer setting
Between two plain conductors, insulating layer is wrapped in the outside of plain conductor and conducting polymer.Conducting polymer has very high
The resistance of positive temperature coefficient, i.e. conducting polymer is gradually increased as the temperature rises, therefore electric-heating belt 60 can be in temperature liter
Output power is gradually decreased by increasing resistance in high process, to realize the limitation to heating temperature.
With continued reference to Fig. 1 and Fig. 2.Specifically, the diameter of the second oil guide pipe 50 is greater than the diameter of the first oil guide pipe 10.It can increase
The contact area of big second oil guide pipe 50 and heating device, so that the temperature of the second oil guide pipe 50 can increase rapidly；In addition, can
Reduce the flow velocity of crude oil in the second oil guide pipe 50, so that flowing time of the crude oil in the second oil guide pipe 50 is longer, increases
The heating time of crude oil in two oil guide pipes 50, and then make the melted paraffin wax in the second oil guide pipe 50 and mixed with crude oil.
With continued reference to Fig. 2.Specifically, plugging block 501 is removably connect with the second oil guide pipe 50.So as in the second Oil Guide
When the impurity such as the rubble accumulated in pipe 50 are more, plugging block 501 is disassembled, and then in the second oil guide pipe of easy cleaning 50
The impurity such as rubble.
Connection type in the present embodiment between plugging block 501 and the second oil guide pipe 50 can there are many, such as: plugging block
501 can connect by bolted connection with the second oil guide pipe 50 or plugging block 501 by way of clamping with second
Oil guide pipe 50 is connected to.
With continued reference to Fig. 5.Specifically, plugging block 501 includes torsional part 5012 and sealing column 5011, in sealing column 5011
It is provided with sealing external screw thread, the other end of the second oil guide pipe 50 is provided with sealing internal screw thread, sealing external screw thread and sealing internal screw thread
Cooperation.By sealing external screw thread and closing of the screw-internal thread fit realization to the second oil guide pipe 50 away from production tree one end is sealed, is torn open
It unloads conveniently.
Preferably, torsional part 5012 can be that sealing column 5011 is arranged in away from the section of one end of the second oil guide pipe 50 to be in
The torsion column of regular hexagon, torsion rotary column can cooperate with spanner.Alternatively, torsional part 5012 is that setting deviates from sealing column 5011
The rotating disk of one end of the second oil guide pipe 50 drives sealing column 5011 to rotate by rotation rotating disk, avoids using dedicated
Tool dismantles plugging block 501, convenient for disassembly and assembly.
Specifically, oil nozzle 20 is removably connect with the first oil guide pipe 10.So as to oil nozzle 20 damage when, by oil nozzle 20 by
It is disassembled on first oil guide pipe 10, convenient for the replacement of oil nozzle 20.
Connection type in the present embodiment between oil nozzle 20 and the first oil guide pipe 10 can there are many, such as: led first
It is formed with installation external screw thread on the outside of the second end of oil pipe 10, installation internal screw thread is set in 201 inner wall of oil inlet passage accordingly, is passed through
Being detachably connected between oil nozzle 20 and the first oil guide pipe 10 is realized in installation internal screw thread and the cooperation installed between external screw thread.Alternatively,
It is formed with third flange connector on the outside of the second end of first oil guide pipe 10, the 4th flange connector is formed on oil nozzle 20, third connects
It connects flange and the 4th flange connector and connect bolt by second and connect.
A kind of oil extraction system is also provided in other embodiments, comprising: production tree, conveyance conduit 30 and as described above
Filter device；Production tree is connected to the oil pipe in oil well, and conveyance conduit 30 is connected to by filter device with production tree.
Oil extraction system provided in this embodiment, by being connected to the first end of the first oil guide pipe 10 with production tree, oil nozzle 20
Oil inlet passage 201 be connected to the first oil guide pipe 10, the oil discharge passage 203 of oil nozzle 20 is connected to conveyance conduit 30, and oil inlet
Pipeline is connected to flowline by the throttling passage 202 inside oil nozzle 20；Filter 40 is set inside the first oil guide pipe 10,
And filter 40 is arranged between oil inlet end and first end；Enable filter 40 to prevent the paraffin in crude oil or other are miscellaneous
Mass flow mistake, and then paraffin or other impurities is avoided to be flowed into throttling passage 202 through oil inlet passage 201, prevent throttling passage 202
Obstruction.
In above-mentioned utility model embodiment, unless otherwise specific regulation, term " installation ", " connected ", " connection ",
Terms such as " fixations " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to removably connect, or be integrally formed,
It can be mechanical connection, be also possible to be electrically connected or can communicate each other；It can be directly connected, intermediate medium can also be passed through
It is indirectly connected with, can be the connection inside two elements or the interaction relationship of two elements, unless otherwise specific limit
It is fixed.For the ordinary skill in the art, it can understand above-mentioned term in the present invention as the case may be
Concrete meaning.
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.
Claims (10)
1. a kind of filter device characterized by comprising the first oil guide pipe, oil nozzle and filter；First oil guide pipe
First end is connected to production tree；The oil nozzle includes oil inlet end and oil outlet, internally offers oil inlet by the oil inlet end and leads to
Road internally offers oil discharge passage, the oil inlet passage and the oil discharge passage by the oil outlet and passes through in the oil nozzle
Throttling passage connection, the oil inlet passage is connected to first oil guide pipe, and the oil discharge passage is connected to conveyance conduit；Institute
State filter be arranged in first oil guide pipe and between the oil inlet end and the first end, with prevent impurity into
Enter into the oil inlet passage.
2. filter device according to claim 1, which is characterized in that the filter includes filter plate, the filter plate
On open up multiple filter hole.
3. filter device according to claim 1 or 2, which is characterized in that the filter device further includes the second oil guide pipe,
One end of second oil guide pipe is connected to the production tree, offers oil outlet on the side wall of second oil guide pipe, described
The first end of first oil guide pipe is connected to the oil outlet；The other end of second oil guide pipe is closed by plugging block.
4. filter device according to claim 3, which is characterized in that the filter device further includes heating device, described
Heating device is arranged on the outer wall of second oil guide pipe, to heat to second oil guide pipe.
5. filter device according to claim 4, which is characterized in that the heating device includes electric-heating belt, the electricity
Heating tape is wrapped on second oil guide pipe.
6. filter device according to claim 3, which is characterized in that the diameter of second oil guide pipe is greater than described first
The diameter of oil guide pipe.
7. filter device according to claim 3, which is characterized in that the plugging block removably with second Oil Guide
Pipe connection.
8. filter device according to claim 7, which is characterized in that the plugging block includes torsional part and sealing column,
Sealing external screw thread is provided in the sealing column, the other end of second oil guide pipe is provided with sealing internal screw thread, the sealing
External screw thread and the sealing screw-internal thread fit.
9. filter device according to claim 1 or 2, which is characterized in that the oil nozzle and first oil guide pipe are removable
The connection unloaded.
10. a kind of oil extraction system characterized by comprising described in production tree, conveyance conduit and claim any one of 1-9
Filter device；The production tree is connected to the oil pipe in oil well, and the conveyance conduit is adopted by the filter device with described
Oil tree connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820565791.6U CN208220762U (en) | 2018-04-19 | 2018-04-19 | Filter device and oil extraction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820565791.6U CN208220762U (en) | 2018-04-19 | 2018-04-19 | Filter device and oil extraction system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208220762U true CN208220762U (en) | 2018-12-11 |
Family
ID=64512368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820565791.6U Active CN208220762U (en) | 2018-04-19 | 2018-04-19 | Filter device and oil extraction system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208220762U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111119750A (en) * | 2020-02-25 | 2020-05-08 | 刘世江 | Wax removal and prevention oil pipe unit, wax removal and prevention oil pipe and preparation method of wax removal and prevention oil pipe unit |
-
2018
- 2018-04-19 CN CN201820565791.6U patent/CN208220762U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111119750A (en) * | 2020-02-25 | 2020-05-08 | 刘世江 | Wax removal and prevention oil pipe unit, wax removal and prevention oil pipe and preparation method of wax removal and prevention oil pipe unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203303695U (en) | Oil-gas mixture transportation separation flow divider | |
| WO2010021668A1 (en) | Apparatus for treating fluid streams | |
| CN208220762U (en) | Filter device and oil extraction system | |
| CN104056472B (en) | Squirrel-cage two-stage eddy flow equipment for separating liquid from solid | |
| CN208294498U (en) | A kind of tapping equipment of adjustable well mouth of oil well casing gas | |
| CN204476357U (en) | Anti-erosion device for fracturing wellhead | |
| CN106968658A (en) | A kind of efficient device for fracturing wellhead | |
| CN106522913A (en) | Parallel-pipe type underground supercritical carbon dioxide jetting sand-mixing device | |
| CN201121584Y (en) | Intelligent oil-gas mixed flow double-screw pump mechanical seal protection system | |
| CN104689931B (en) | A kind of high-pressure gas-liquid separation method | |
| CN210141120U (en) | Oil well fracturing string | |
| CN206267816U (en) | Continuous negative pressure sand flushing device and its system | |
| CN206636537U (en) | Well head backward flowing preventing device | |
| CN105953076A (en) | Thick oil flowing resistance reducing device and method by injecting foam from screw groove hole | |
| US4769156A (en) | Method and means to pump a well | |
| CN207740476U (en) | A kind of Silt-resisting type multifunctional water pump control valve | |
| CN202090899U (en) | Ground watering device for thick oil well | |
| CN206468326U (en) | Relay-type discharges the device of medicament in a kind of pumpingh well | |
| CN206309345U (en) | Wax control tubing string | |
| CN100501119C (en) | Sand production oil well electric pump protector | |
| CN219176299U (en) | Antifreezing fracturing wellhead device | |
| CN202520280U (en) | Anti-freezing sampling valve for thickened oil wellhead | |
| CN216788365U (en) | Y-shaped oil extraction wellhead device | |
| CN209444292U (en) | Based on the oil well borehole fluid drag reduction under electromagnetic action, the vibration control apparatus that rubs drops | |
| CN203626798U (en) | Two-channel gas-liquid separator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |