CN206458444U - Layered electric ignition channel controller for burning oil field and layered electric ignition channel for burning oil field - Google Patents
Layered electric ignition channel controller for burning oil field and layered electric ignition channel for burning oil field Download PDFInfo
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- CN206458444U CN206458444U CN201621375672.1U CN201621375672U CN206458444U CN 206458444 U CN206458444 U CN 206458444U CN 201621375672 U CN201621375672 U CN 201621375672U CN 206458444 U CN206458444 U CN 206458444U
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Abstract
The utility model provides a layered electric ignition channel controller for a burning oil field and a layered electric ignition channel for a burning oil field, relating to the technical field of burning oil fields, wherein the channel controller comprises a cylindrical controller body and an annular split sliding sleeve which are vertically arranged, the controller body is provided with an inner cavity which is communicated up and down, an ignition hole communicated with the inner cavity is arranged on the outer wall of the controller body, a split sliding sleeve is embedded in the controller body and positioned above the ignition hole, the split sliding sleeve is in sliding fit with the inner wall of the controller body, the opening and the closing of the ignition hole are controlled by the sliding of the split sliding sleeve, the upper end of the split sliding sleeve is provided with a split holding claw with a small upper outer diameter and a large lower outer diameter in a holding state, after the split sliding sleeve slides downwards to close the ignition hole, the split holding claw is in an open state, and an expanding part is arranged in the controller body at a position corresponding to the open state of the split holding claw. The channel controller is used in cooperation with the movable electric igniter to ignite the upper oil reservoir and then ignite the lower oil reservoir.
Description
Technical field
The utility model is related to baked wheaten cake oilfield technology field, more particularly to a kind of to burn the control of oil field layered electric ignition passage
Device and baked wheaten cake oil field layered electric ignition passage.
Background technology
Viscous crude in China's oil field reserves compared with horn of plenty, but because its colloid, bitumen content are very high, poor fluidity, thus
Exploit difficulty larger.As steam soak round gradually increases, some blocks enter steam and drive the SAGD technological development middle and later periods, steam
Vapour extraction ratio is gradually reduced, and steam cost gradually increases.
Burn oil field and be also known as in underground combustion or layer and burn, also known as fireflood is exactly to utilize the heavy component in in-place oil
As fuel, by the use of air or oxygen rich gas as combustion adjuvant, by the methods such as manual firing make Crude Oil reach burning-point and
Burning, the heat of generation makes reservoir temperature rise under 600~700 DEG C, heavy component high temperature to be cracked to form light oil, injection
Gas, the gas of burning generation and vapor are used to drive crude oil to flow to producing well, and are produced from producing well.By that will add
Oil field baked wheaten cake oilfield technology of putting on airs is introduced behind the country, and scientific research personnel passes through independent research and burns oil field correlation technique, it was therefore concluded that：
Combustion in situ is a kind of efficiently feasible thickened oil recovery mode, is also that development scheme is important connects for the conversion of Liaohe Oilfield Heavy Crude oil reservoir
For one of technology.And it is on the basis of conventional fireflood, to be artificially layered exploitation target zone to be layered fireflood, layering fire is realized
Exploitation is driven, it is smaller to be primarily adapted for use in thickness in monolayer, continuous thin interbed heavy crude reservoir is developed every interlayer, it is ensured that layering fireflood exploitation
The emphasis of effect is successful ignition and the gas injection of every substratum, to form stable combustion front, realizes the smooth drive of underground crude oil
Replace.
The sparking mode of combustion in situ mainly includes chemic ignition, electric igniter igniting and natural gas igniter igniting etc..
Wherein, because chemic ignition cost is higher, therefore research and development electric ignition technique, the portable electric igniter of experiment proof is a kind of efficient
Sparking mode, with pressure can remove, reuses.
High-temperature ignition is successfully realized although developing portable electric igniter model machine at present and testing at the scene, to finish
Domestic oil well actual conditions are closed, and further reduce construction operation cost, it is necessary to research and develop the correlation used in layering ignition process
Equipment.
In existing layering ignition process, the connection of oil pipe and oil reservoir, sieve aperture and oil reservoir phase are realized by the oil pipe with sieve aperture
It is right.Oil jacket annular packer, oil jacket annular packer are respectively equipped with above and below the sieve aperture corresponding with upper strata oil reservoir
It is arranged on oil pipe and seals oil jacket annular space.Switch valve is additionally provided with oil pipe, switch valve is located at upper strata oil reservoir and lower floor's oil
Between layer, air can be prevented to be no longer flow towards oil pipe bottom.Although existing layering ignition process can be realized first to upper substantially
Layer oil reservoir is lighted a fire.But, because oil pipe is connected by sieve aperture with upper strata oil reservoir all the time, the igniting to lower floor's oil reservoir can not
Accurate control, because after switch valve is opened, upper strata oil reservoir will pass through oil pipe and be connected with lower floor oil reservoir, and to lower floor's oil reservoir
Interference is produced, so, lower floor's oil reservoir is being lighted a fire and during fireflood, it is impossible to the note for the air being accurately controlled in lower floor's oil reservoir
Enter amount and reach the time of firing temperature, be also difficult to ensure the ignition results and follow-up fireflood effect of lower floor's oil reservoir.
Utility model content
The purpose of this utility model is to provide a kind of baked wheaten cake oil field layered electric ignition channel controller and burns oil field layered
Electric ignition passage, is used cooperatively with portable electric igniter, can prevent igniting and during fireflood upper strata oil reservoir to lower floor's oil reservoir
Interference, realizes the accurate control to layering igniting.
To reach above-mentioned purpose, oil field layered electric ignition channel controller is burnt the utility model proposes one kind, wherein, institute
State tubular controller body and point valve sliding sleeve annular in shape that channel controller includes being vertically arranged, the controller body
Inner chamber with up/down perforation, offers the fire hole with the intracavity inter-connection, institute on the outer wall of the controller body
Point valve sliding sleeve is stated to be embedded in the controller body and positioned at the top of the fire hole, described point of valve sliding sleeve and the control
The inwall of device body is slidably matched, and the opening and sealing of the fire hole, described point are controlled by the slip of described point of valve sliding sleeve
The upper end of valve sliding sleeve is provided with the up-small and down-big point valve holding claw of the external diameter under holding state, and described point of valve sliding sleeve slides downwards closing is described
After fire hole, the described point of open-shaped state of valve holding claw, the position of described point of valve holding claw open configuration of correspondence in the controller body
The place of putting offers wide diameter portion.
It is as described above to burn oil field layered electric ignition channel controller, wherein, the controller body is being opened up
State and ignition part is formed with the position of fire hole, the outside wall surface of the internal face of the ignition part and described point of valve sliding sleeve lower end is
From top to bottom the tapered conical surface and it can mutually reach into cone match.
It is as described above to burn oil field layered electric ignition channel controller, wherein, offer multiple institutes in the ignition part
Fire hole is stated, circumference of multiple fire holes along the controller body is uniformly distributed.
It is as described above to burn oil field layered electric ignition channel controller, wherein, the internal face of the ignition part and described
The outside wall surface for dividing valve sliding sleeve lower end is abradant surface.
It is as described above to burn oil field layered electric ignition channel controller, wherein, described point of valve sliding sleeve is under holding state
It is fixedly connected between the controller body by shear pin.
It is as described above to burn oil field layered electric ignition channel controller, wherein, described point of valve holding claw includes multiple holding claws
Valve, multiple holding claw valves divide the circumferential uniform of valve sliding sleeve along described, have interval between the adjacent holding claw valve of each two.
It is as described above to burn oil field layered electric ignition channel controller, wherein, the top of each holding claw valve is all provided with
It is equipped with the limited block of the footpath convex along described point of valve sliding sleeve.
It is as described above to burn oil field layered electric ignition channel controller, wherein, controller body includes suitable from top to bottom
Top connection, connector and the base of profit connection, the wide diameter portion are opened on the inwall of the connector, and the fire hole is opened up
On the base.
It is as described above to burn oil field layered electric ignition channel controller, wherein, the channel controller also includes and institute
A point shutoff device for valve sliding sleeve corresponding matching is stated, the shutoff device is cylindrical, and the top of the shutoff device has opening
Upward installation cavity, it is in coniform guide way that the bottom of the shutoff device, which is provided with, and the external diameter of the shutoff device is more than institute
State the internal diameter under the internal diameter and less than described point valve holding claw open configuration under point valve holding claw holding state.
The utility model also proposes a kind of baked wheaten cake oil field layered electric ignition passage, wherein, the electric point of baked wheaten cake oil field layered
Fiery passage includes oil pipe and from top to bottom sequential series are connected to the first packer on the oil pipe, channel controller, second
Packer and fuel line cock valve, the channel controller are channel controller as described above.
Compared with prior art, the utility model has the characteristics that and advantage：
The utility model proposes baked wheaten cake oil field layered electric ignition channel controller and burn oil field layered electric ignition passage,
Used cooperatively with portable electric igniter, igniting construction first can be carried out to upper strata oil reservoir by fire hole；For upper strata oil reservoir
Igniting construction after the completion of, using a point valve sliding sleeve is pushed away under external force, a point valve sliding sleeve slides downwards is closed fire hole, blocked upper strata oily
The UNICOM with oil pipe is hidden, point valve holding claw with time-division valve sliding sleeve is released by holding state (undergauge state), and point valve holding claw is real
It is existing expanding so that portable electric igniter can pass through point valve sliding sleeve and enter progress lower floor igniting at lower floor's oil reservoir and apply
Work, can not only realize the layering electric ignition for burning oil field, moreover it is possible to which layering igniting is accurately controlled.
The utility model proposes baked wheaten cake oil field layered electric ignition channel controller its is simple in construction, cost is low, warp
Ji is durable, disclosure satisfy that the requirement of on-site layering electric ignition.
Brief description of the drawings
Accompanying drawing described here is only used for task of explanation, and is not intended in any way limit disclosed in the utility model
Scope.In addition, shape and proportional sizes of each part in figure etc. are only schematical, it is used to help to reason of the present utility model
Solution, is not the specific shape and proportional sizes for limiting each part of the utility model.Those skilled in the art is new in this practicality
Under the teaching of type, various possible shapes and proportional sizes can be selected to implement the utility model as the case may be.
Fig. 1 be the utility model proposes baked wheaten cake oil field layered electric ignition channel controller structural representation；
Fig. 2 is the structural representation of point valve sliding sleeve in the utility model；
Fig. 3 is the top view of point valve sliding sleeve in the utility model；
Fig. 4 is the structural representation of top connection in the utility model；
Fig. 5 is the structural representation of connector in the utility model；
Fig. 6 is the structural representation of base in the utility model；
Fig. 7 is the structural representation of closing instrument in the utility model；
Fig. 8 be the utility model proposes baked wheaten cake oil field layered electric ignition passage structural representation.
Description of reference numerals：
100 channel controllers；110 controller bodies；
111 inner chambers；112 fire holes；
113 wide diameter portions；114 ignition parts；
115 top connections；116 connectors；
117 bases；120 points of valve sliding sleeves；
121 points of valve holding claws；1211 holding claw valves；
1212 limited blocks；1213 intervals；
122 outside wall surfaces；130 shear pins；
140 close instrument；141 installation cavitys；
142 guide ways；200 oil pipes；
300 first packers；400 second packers
500 fuel line cock valves；600 sleeve pipes.
Embodiment
With reference to the description of accompanying drawing and the utility model embodiment, can clearly it understand of the present utility model
Details.But, embodiment of the present utility model described here is only used for explaining the purpose of this utility model, without
It can be understood as being to limitation of the present utility model in any way.Under teaching of the present utility model, technical staff is contemplated that
Based on any possible deformation of the present utility model, these are regarded as belonging to scope of the present utility model.
Refer to Fig. 1, wherein, Fig. 1 be the utility model proposes baked wheaten cake oil field layered electric ignition channel controller knot
Structure schematic diagram；As shown in figure 1, the utility model proposes baked wheaten cake oil field layered electric ignition channel controller 100 include set vertically
The tubular controller body 110 and point valve sliding sleeve 120 annular in shape put, controller body 110 have the interior of up/down perforation
Chamber 111, offers the fire hole 112 being connected with inner chamber 111 on the outer wall of controller body 110, and a point valve sliding sleeve 120 is embedded
In controller body 110 and positioned at the top of fire hole 112, the inwall slip of point valve sliding sleeve 120 and controller body 110 is matched somebody with somebody
Close, the opening and sealing of fire hole 112 is controlled by the slip of point valve sliding sleeve 120, the upper end of point valve sliding sleeve 120, which is provided with, is embracing
The up-small and down-big point valve holding claw 121 of external diameter under tight state, point valve sliding sleeve 120 glides after closing fire hole 112, point valve holding claw 121
In open-shaped state, controller body 110 wide diameter portion 113 is offered at the position of the correspondence point open configuration of valve holding claw 121.
The utility model proposes baked wheaten cake oil field layered electric ignition channel controller 100 coordinate with portable electric igniter and make
With, can by fire hole 112 first to upper strata oil reservoir carry out igniting construction；After the completion of the igniting construction of upper strata oil reservoir, profit
With a point valve sliding sleeve 120 is pushed away under external force, a point valve sliding sleeve 120 is glided and close fire hole 112, block upper strata oil reservoir and oil pipe
UNICOM, point valve holding claw 121 with time-division valve sliding sleeve 120 is released by holding state (undergauge state), and a point valve holding claw 121 is realized
It is expanding so that portable electric igniter can pass through point valve sliding sleeve 120 and enter and lower floor's igniting be carried out at lower floor's oil reservoir
Construction, realizes the layering electric ignition for burning oil field, moreover it is possible to which layering igniting is accurately controlled.
The utility model proposes baked wheaten cake oil field layered electric ignition channel controller 100 its is simple in construction, cost is low,
Economy and durability, disclosure satisfy that the requirement of on-site layering electric ignition.
In one optional example of the utility model, as shown in figure 1, controller body 110 is offering fire hole 112
Position at be formed with ignition part 114, the outside wall surface 122 of the internal face of ignition part 114 and point lower end of valve sliding sleeve 120 is by upper
The tapered conical surface under, when point valve sliding sleeve 120 glides closing fire hole 112, the outside wall surface 122 of point lower end of valve sliding sleeve 120 is pushed up
On the internal face for being against the ignition part 114 of controller body 110, so, the outside wall surface 122 and ignition part of point lower end of valve sliding sleeve 120
114 internal face just can constitute conical surface seal cooperation, further ensure a point sealing of the valve sliding sleeve 120 to fire hole 112.Together
When, it is close that the metal face seal that the outside wall surface of the internal face of ignition part 114 and point lower end of valve sliding sleeve 120 is constituted instead of sealing ring
Envelope, passes through the metal sealing between the controller body 110 and point valve sliding sleeve 120 under the fireflood igniting condition of high temperature so that
(being especially up in temperature in the state of 500 DEG C) point valve sliding sleeve 120 remains to carry out fire hole 112 effective under the condition of high temperature
Closing, it is ensured that the utility model proposes baked wheaten cake oil field layered electric ignition channel controller 100 fireflood light a fire the condition of high temperature
Under can still can with normal work, so that it is guaranteed that layering ignition process being capable of normal construction.
Due to a point closing of the valve sliding sleeve 120 to fire hole 112, separate the UNICOM of upper strata oil reservoir and oil pipe, now, via
The air of oil pipe injection is all introduced into lower floor's oil reservoir, so just can accurately control the air injection rate of lower floor's oil reservoir, meanwhile,
Burned flame is also stopped by a point valve sliding sleeve 120 and cannot be introduced into oil pipe in the oil reservoir of upper strata, also just more will not be to lower floor's oil
The temperature of Tibetan produces influence so that the firing temperature of lower floor's oil reservoir is precisely controlled to for possibility, finally to ensure that lower floor
The ignition results of oil reservoir and follow-up fireflood effect.
In an optional example, the outside wall surface of the internal face of ignition part 114 and point lower end of valve sliding sleeve 120 is grinding
Face so that the sealing between the outside wall surface 122 of the internal face of ignition part 114 and point lower end of valve sliding sleeve 120 is even closer, further
It ensure that a point closing of the valve sliding sleeve 120 to fire hole 112.
In one optional example of the utility model, ignition part 114 offers multiple fire holes 112, multiple fire holes
112 are uniformly distributed along the circumference of controller body 110.
In one optional example of the utility model, point valve sliding sleeve 120 under holding state with controller body 110 it
Between be fixedly connected by shear pin 130.It is fashionable under portable electric igniter, utilize the own wt band of portable electric igniter
The dynamic point of slide downward of valve sliding sleeve 120 simultaneously cuts shear pin 130.In actual production, those skilled in the art can be according to need
Adjust itself counterweight of portable electric igniter and the shearing force of shear pin 130.
In one optional example of the utility model, as shown in Figure 1, Figure 2, Figure 3 shows, point valve holding claw 121 includes multiple armfuls
Pawl valve 1211, multiple holding claw valves 1211 have along the circumferential uniform of point valve sliding sleeve 120 between the adjacent holding claw valve 1211 of each two
Interval 1213.Pass through point valve holding claw 121 being forced to situation and make it have holding state under the different inner diameters of controller body 110
And open configuration, as shown in figure 1, when point valve sliding sleeve 120 is located at the top of controller body 110, controller body 110 it is small
A point valve holding claw 121 is compressed and it is not opened by inner-diameter portion；When point slide downward of valve sliding sleeve 120, a point valve holding claw 121 is fallen into
After the wide diameter portion 113 of large diameter, the radial compacting force of 110 pairs of points of valve holding claws 121 of controller body disappears, in elastic restoring force
Lower point of valve holding claw 121 of effect is opened.Under holding state and under open configuration, the internal diameter of point valve holding claw 121 is different, is embraced in point valve
When pawl 121 is in open configuration, portable electric igniter can pass through a point valve sliding sleeve 120.
In one optional example of the utility model, as shown in Figure 1 and Figure 2, the top of each holding claw valve 1211 is respectively provided with
There is the limited block 1212 of the footpath convex along point valve sliding sleeve 120.Under holding state, limited block 1212 can increase controller sheet
The thrust of 110 pairs of points of valve holding claws 121 of body.
In one optional example of the utility model, as shown in Fig. 1, Fig. 4, Fig. 5, Fig. 6, controller body 110 includes
Top connection 115, connector 116 and the base 117 from top to bottom smoothly connected, between top connection 115 and connector 116, is connected
It is connected through a screw thread between body 116 and base 117, wherein, wide diameter portion 113 is opened on the inwall of connector 116, fire hole
112 are opened on base 117.In addition, offering internal thread on the top of top connection 115, offered on the bottom of base 117
External screw thread, to connected pipes or other tubing strings.
In one optional example of the utility model, the minimum diameter on point its top under holding state of valve holding claw 121
For 20mm, the minimum diameter on point its top under open configuration of valve holding claw 121 is 42mm.Portable electric igniter is maximum outside diameter
For 25mm cylindrical tool, under point open configuration of valve holding claw 121, portable electric igniter can pass through a point valve sliding sleeve
120。
In one optional example of the utility model, point valve sliding sleeve 120 is spring steel point valve sliding sleeve, due to a point valve sliding sleeve
120 material employs spring steel, further increases the elastic deformation performance of point valve sliding sleeve 120.
In one optional example of the utility model, as shown in fig. 7, the utility model proposes baked wheaten cake oil field layered electricity
Ignition channel controller 100 also includes the closing instrument 140 with point corresponding matching of valve sliding sleeve 120, and it is in cylinder to close instrument 140
Shape, the top of closing instrument 140 has to offer on the installation cavity 141 of opening upwards, the inwall of installation cavity 141 to be moved for connecting
The internal thread of dynamic formula electric igniter, the bottom for closing instrument 140 is provided with coniform guide way 142, closes the outer of instrument 140
Footpath is more than the internal diameter under point holding state of valve holding claw 121 and less than a point internal diameter of the valve holding claw 121 under open configuration.Close work
The lower ends that tool 140 is connected to portable electric igniter by installation cavity 141, it is to avoid portable electric igniter and a point valve sliding sleeve
120 direct contact, also avoids the portable electric igniter damage caused by collision, extends portable electric igniter
Service life.
The utility model also proposes a kind of baked wheaten cake oil field layered electric ignition passage, the baked wheaten cake oil field layered electric ignition passage bag
Include oil pipe 200 and the first packer 300, channel controller 100, the second packer 400 and the oil that are connected in series on oil pipe 200
Pipe switch valve 500.
The utility model proposes baked wheaten cake oil field layered electric ignition channel controller 100 and burn oil field layered electric ignition and lead to
The course of work in road is as follows：First, install the utility model proposes baked wheaten cake oil field layered electric ignition channel controller 100.Such as
Shown in Fig. 8, the first packer 300, channel controller 100, the second packer 400 and fuel line cock valve 500 are connected in series in
On oil pipe 200 and in tripping in oil well casing 600.Wherein, the correspondence of fire hole 112 of channel controller 100 is in the position of upper strata oil reservoir
Put place；First packer 300 and the second packer 400 are set above and below channel controller 100 respectively, by oil jacket ring
Sky closing；Fuel line cock valve 500 is located between upper strata oil reservoir and lower floor's oil reservoir, and fuel line cock valve 500 is in closing shape
State, oil pipe 200 is closed.
Afterwards, air is injected into oil pipe, fire hole 112 of the air through oil pipe and channel controller 100 enters upper strata oil
In Tibetan, now, because ring set space is closed by the first packer 300 and the second packer 400, oil pipe 200 is by fuel line cock valve
500 closings, air will not enter in lower floor's oil reservoir.Portable electric igniter (external diameter 25mm) is connected in closing instrument 140
Behind lower end, by the way that cable is by portable electric igniter and closes the tripping in of instrument 140, instrument 140 and portable electric igniter are closed
Stretch into the inner chamber 111 of controller body 110 and rest on a point top for valve sliding sleeve 120, start portable electric igniter and pass through
Fire hole 112 lights upper strata oil reservoir.
Then, continue to transfer closing instrument 140 and portable electric igniter, close the contact of instrument 140 in the state of holding tightly
Point valve holding claw 121 on, promote point valve sliding sleeve 120 downward using the own wt of the instrument of closing 140 and portable electric igniter
Slide, shear pin 130 is cut；Valve sliding sleeve 120 is divided to glide until the contact of outside wall surface 122 of point lower end of valve sliding sleeve 120 is in control
On the internal face of the ignition part 114 of body 110 processed, the outside wall surface 122 of point lower end of valve sliding sleeve 120 and the internal face structure of ignition part 114
Fire hole 112 is closed with merging into conical surface seal, meanwhile, a point valve holding claw 121 for point valve sliding sleeve 120 falls into corresponding cooperation
Wide diameter portion 113, because the internal diameter of wide diameter portion 113 increases, point open-shaped state of valve holding claw 121, the internal diameter of point valve holding claw 121 is extensive
Again to 42mm so that portable electric igniter and closing instrument 140 can pass through a point valve sliding sleeve 120.
Finally, fuel line cock valve 500 is opened, air is entered through fuel line cock valve 500 in lower floor's oil reservoir；Meanwhile, continue
Closing instrument 140 and portable electric igniter are transferred, portable electric igniter is lowered at lower floor's oil reservoir and carries out lower floor's igniting
Construction, is finally completed the layering electric ignition for burning oil field.
For explaining in detail for the respective embodiments described above, its purpose is only that to explain to the utility model, in order to
The utility model is better understood when, still, these descriptions can not be with any explanation into being to limit of the present utility model
System, particularly, each feature described in various embodiments can also be mutually combined, so as to constitute other implementations
Mode, except there is clearly opposite description, these features should be understood to be applied in any one embodiment, and simultaneously
It is not only limited to described embodiment.
Claims (10)
1. one kind burns oil field layered electric ignition channel controller, it is characterised in that the channel controller includes being vertically arranged
Tubular controller body and point valve sliding sleeve annular in shape, the controller body has the inner chamber of up/down perforation, in institute
The fire hole with the intracavity inter-connection is offered on the outer wall for stating controller body, described point of valve sliding sleeve is embedded in the control
In device body and positioned at the top of the fire hole, the inwall of described point of valve sliding sleeve and the controller body is slidably matched, and leads to
The opening and sealing of the slip control fire hole of described point of valve sliding sleeve is crossed, the upper end of described point of valve sliding sleeve, which is provided with, is holding tightly
The up-small and down-big point valve holding claw of external diameter under state, described point of valve sliding sleeve slides downwards are closed after the fire hole, and described point of valve holding claw is in
In open configuration, the controller body wide diameter portion is offered at the position of described point of valve holding claw open configuration of correspondence.
2. oil field layered electric ignition channel controller is burnt as claimed in claim 1, it is characterised in that the controller body
It is formed with ignition part at the position for offering the fire hole, the internal face of the ignition part and described point of valve sliding sleeve lower end
Outside wall surface is the conical surface tapered from top to bottom and can mutually reach into cone match.
3. oil field layered electric ignition channel controller is burnt as claimed in claim 2, it is characterised in that opened in the ignition part
Provided with multiple fire holes, circumference of multiple fire holes along the controller body is uniformly distributed.
4. oil field layered electric ignition channel controller is burnt as claimed in claim 2, it is characterised in that the inwall of the ignition part
The outside wall surface of face and described point of valve sliding sleeve lower end is abradant surface.
5. as claimed in claim 1 burn oil field layered electric ignition channel controller, it is characterised in that described point of valve sliding sleeve in
It is fixedly connected under holding state between the controller body by shear pin.
6. oil field layered electric ignition channel controller is burnt as claimed in claim 1, it is characterised in that described point of valve holding claw bag
Include multiple holding claw valves, multiple holding claw valves are circumferential uniform along described point of valve sliding sleeve, the adjacent holding claw valve of each two it
Between have interval.
7. oil field layered electric ignition channel controller is burnt as claimed in claim 6, it is characterised in that each holding claw valve
Top be provided with the limited block of the footpath convex along described point of valve sliding sleeve.
8. oil field layered electric ignition channel controller is burnt as claimed in claim 1, it is characterised in that controller body includes
Top connection, connector and the base from top to bottom smoothly connected, the wide diameter portion is opened on the inwall of the connector, described
Fire hole is opened on the base.
9. oil field layered electric ignition channel controller is burnt as claimed in claim 1, it is characterised in that the channel controller
Also include the shutoff device with described point of valve sliding sleeve corresponding matching, the shutoff device is cylindrical, the top of the shutoff device
Installation cavity of the end with opening upwards, it is in coniform guide way that the bottom of the shutoff device, which is provided with, the shutoff device
External diameter is more than the internal diameter under described point of valve holding claw holding state and the internal diameter under less than described point valve holding claw open configuration.
10. one kind burns oil field layered electric ignition passage, it is characterised in that the baked wheaten cake oil field layered electric ignition passage includes oil
Pipe and from top to bottom sequential series are connected to the first packer, channel controller, the second packer and oil pipe on the oil pipe
Switch valve, the channel controller is the channel controller described in any one in claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621375672.1U CN206458444U (en) | 2016-12-15 | 2016-12-15 | Layered electric ignition channel controller for burning oil field and layered electric ignition channel for burning oil field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108590577A (en) * | 2018-03-22 | 2018-09-28 | 中国石油天然气股份有限公司 | Electric ignition layered gas injection valve and layered electric ignition tubular column |
| CN109138942A (en) * | 2018-08-01 | 2019-01-04 | 中国石油天然气股份有限公司 | Separate-layer injection pipe column and separate-layer injection system |
| CN109138941A (en) * | 2018-07-26 | 2019-01-04 | 中国石油天然气股份有限公司 | Separate-layer injection pipe column and separate-layer injection system |
| CN109184647A (en) * | 2018-08-24 | 2019-01-11 | 中国石油天然气股份有限公司 | Layered fireflood ignition gas injection pipe column and layered fireflood method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108590577A (en) * | 2018-03-22 | 2018-09-28 | 中国石油天然气股份有限公司 | Electric ignition layered gas injection valve and layered electric ignition tubular column |
| CN108590577B (en) * | 2018-03-22 | 2020-09-08 | 中国石油天然气股份有限公司 | Electric ignition layered gas injection valve and layered electric ignition tubular column |
| CN109138941A (en) * | 2018-07-26 | 2019-01-04 | 中国石油天然气股份有限公司 | Separate-layer injection pipe column and separate-layer injection system |
| CN109138942A (en) * | 2018-08-01 | 2019-01-04 | 中国石油天然气股份有限公司 | Separate-layer injection pipe column and separate-layer injection system |
| CN109184647A (en) * | 2018-08-24 | 2019-01-11 | 中国石油天然气股份有限公司 | Layered fireflood ignition gas injection pipe column and layered fireflood method |
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