CN210068118U - Fireflood electric ignition device - Google Patents
Fireflood electric ignition device Download PDFInfo
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- CN210068118U CN210068118U CN201920478458.6U CN201920478458U CN210068118U CN 210068118 U CN210068118 U CN 210068118U CN 201920478458 U CN201920478458 U CN 201920478458U CN 210068118 U CN210068118 U CN 210068118U
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- ignition control
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- fireflood
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Abstract
The utility model provides a fireflood electricity ignition, this fireflood electricity ignition includes: screen pipe, sleeve pipe, oil pipe, packer and thermal-insulated pipe and electric ignition control device, wherein, electric ignition control device includes: the system comprises a fuse, a vacuum circuit breaker, an alternating current contactor, a rectifier bridge, an inverter and a dry-type transformer which are electrically connected in sequence; the electric ignition control device is connected with a three-phase cable and is connected with the inside of the sieve tube through a single-phase cable; the top and the bottom of the sieve tube are connected with the oil tube through the heat insulation tube, and the packer is arranged between the heat insulation tube and the sleeve; the sleeve is fixed on the well wall, and the oil pipe is arranged in the sleeve. Utilize the utility model discloses can convert the oil field power into high-power single-phase high-voltage power frequency power to provide it to shaft bottom electric heater, and then heated air, finally reach the purpose of fireflood oil recovery.
Description
Technical Field
The utility model belongs to the field of oil gas field development, especially, indicate fire flooding oil recovery electric ignition technical field, concretely relates to fire flooding electric ignition.
Background
The electric ignition technology for fire flooding oil production is a method which utilizes a bottom-hole electric heater to heat an air medium injected from the ground and make the air medium and crude oil in an oil layer generate oxidation reaction to achieve self-ignition point and then burn, thereby reducing the viscosity of the crude oil and increasing the flow capacity of the crude oil. When the fireflood development is carried out, enough gas is injected into a shaft, wherein the injected gas can be air with combustion supporting effect. In the gas injection process, an electric igniter can be lowered into a gas injection sieve tube at a preset position by using a coiled tubing injection device, then the electric igniter is electrified and ignited to heat injected air, so that the air heats an oil layer through the sieve tube, the combustion temperature of the oil layer is reached, and finally the purpose of fire flooding oil extraction is achieved.
At present, when an oil field is used for obtaining oil extraction, a high-power transformer needs to be connected to convert an oil field power supply into a high-power supply and provide the high-power supply for a shaft bottom electric heater.
SUMMERY OF THE UTILITY MODEL
The utility model provides a fireflood electricity ignition, this fireflood electricity ignition can convert the oil field power into high-power single-phase high-voltage power frequency power supply to provide it to shaft bottom electric heater, and then heated air, finally reach the purpose of fireflood oil recovery.
In order to achieve the above object, the embodiment of the utility model provides a fireflood electric ignition device, this gas injection device includes: a sieve tube, a sleeve, an oil tube, a packer, a heat insulation tube and an electric ignition control device, wherein,
the electric ignition control device includes: the system comprises a fuse, a vacuum circuit breaker, an alternating current contactor, a rectifier bridge, an inverter and a dry-type transformer which are sequentially and electrically connected through a three-phase cable;
the electric ignition control device is connected with the three-phase cable and is connected with the inside of the sieve tube through the single-phase cable;
the top and the bottom of the sieve tube are connected with an oil tube through a heat insulation tube, and a packer is arranged between the heat insulation tube and the sleeve;
the sleeve pipe is fixed on the well wall, and is internally provided with an oil pipe.
In one embodiment, the electric ignition control device further includes a box body, and the fuse, the vacuum circuit breaker, the ac contactor, the rectifier bridge, the inverter, and the dry-type transformer are disposed inside the box body.
In one embodiment, the electric ignition control device further comprises a display for displaying the input voltage, the input current, the output voltage, the output current and the output power of the electric ignition control device.
In one embodiment, the display is a black and white LCD screen.
In one embodiment, the display size is 20 x 40 mm.
In one embodiment, the output voltage is 1100V or 1500V.
In one embodiment, the output power is 100-150 KW.
In one embodiment, the electric ignition control device further comprises an indicator light for displaying the operating state of the electric ignition control device.
In one embodiment, the electrical ignition control apparatus further comprises a radiator.
In one embodiment, insulated gate bipolar transistors are disposed within the electrical inverter.
Utilize the embodiment of the utility model provides a fireflood electric ignition device integrates through fuse, vacuum circuit breaker, ac contactor, rectifier bridge, dc-to-ac converter and dry-type transformer, can change the oil field 380V power into high-power single-phase high-voltage power frequency power supply to provide it to shaft bottom electric heater, and then heated air, finally reach the purpose of fireflood oil recovery. In addition, the fireflood electric ignition device is convenient to transport and can be better applied to the field of fireflood oil extraction in heavy oil fields.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a fireflood electric ignition device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an electric ignition control device according to an embodiment of the present invention;
fig. 3 is another schematic structural diagram of the electric ignition control device according to the embodiment of the present invention.
Reference numerals:
1. a screen pipe;
2. a sleeve;
3. an oil pipe;
4. a packer;
5. a heat insulating pipe;
6. an electric ignition control device;
6-1, a fuse;
6-2, a vacuum circuit breaker;
6-3, an alternating current contactor;
6-4, a rectifier bridge;
6-5, an inverter;
6-6, dry type transformer;
6-7, a box body;
6-8, a master switch;
6-9, an indicator light;
6-10 parts of a radiator;
7. a single-phase cable;
8. a three-phase cable.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention are described in further detail below with reference to the accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.
Because the utility model provides a fireflood electric ignition is applied to in the viscous crude oil field fire flooding oil mode, based on this, the embodiment of the utility model provides a fireflood electric ignition is provided.
Referring to fig. 1, the fireflood electric ignition gas injection device comprises: screen pipe 1, sleeve pipe 2, oil pipe 3, packer 4 and thermal-insulated pipe 5 and electric ignition controlling means 6, wherein, electric ignition controlling means 6 includes: a fuse 6-1, a vacuum circuit breaker 6-2, an alternating current contactor 6-3, a rectifier bridge 6-4, an inverter 6-5 and a dry type transformer 6-6 (see fig. 2) which are electrically connected in sequence; the electric ignition control device 6 is connected with a three-phase cable 8, and the electric ignition control device 6 is connected with the inside of the sieve tube 1 through a single-phase cable 7. The top and the bottom of the sieve tube 1 are connected with an oil tube 2 through a heat insulation tube 5, and a packer 4 is arranged between the heat insulation tube 5 and the sleeve 1; the casing 2 is fixed on the well wall through cement, and is internally provided with an oil pipe 2, and an annular space between the casing 1 and the oil pipe 2 is of a hollow structure.
Referring to fig. 2 and 3, the embodiment of the present invention further provides a working principle of the electric ignition control device 6: the 380V high-voltage power supply of the oil field is fed into the electric ignition control device 6 through a three-phase power cable and is connected with a fuse 6-1. In specific implementation, the fuse 6-1 may be a fast fuse, and when a short circuit or an overload occurs in the electric ignition control device 6, the fuse 6-1 immediately blows a circuit, thereby protecting the electric ignition control device 6 and a downhole igniter (not shown in the figure). The fuse 6-1 is connected with the vacuum circuit breaker 6-2, the vacuum circuit breaker 6-2 has the function of a switching power supply and has the functions of short circuit and overload protection, and it can be understood that the fuse 6-1 and the vacuum circuit breaker 6-2 are arranged in the electric ignition control device 6 at the same time, which is equivalent to providing double protection to the electric ignition control device 6 and other related equipment, and simultaneously provides more comprehensive protection for the personal safety of constructors. The three-phase cable led out from the vacuum circuit breaker 6-2 is connected to the ac contactor 6-3, and it can be understood that the ac contactor 6-3 can frequently make and break a circuit and has a low voltage protection function. A three-phase cable led out from an alternating current contactor 6-3 is connected into a rectifier bridge 6-4, the rectifier bridge 6-4 rectifies an incoming power supply to convert the direct current into direct current, a high-capacity capacitor stores the converted electric energy, the direct current is connected into an inverter 6-5 adopting an IGBT (insulated gate bipolar transistor), the inverter 6-5 converts the direct current into alternating current (square waves with different frequency widths and amplitudes), specifically, a controller in the inverter 6-5 works according to a set program to control the amplitude and the pulse width of output square waves to enable the square waves to be superposed into alternating current approximate to sine waves, and the technical characteristics of electric ignition are characterized in that the power frequency 50H is most economical and the heat loss is the minimum, so that single-phase alternating current which is set to be 50HZ and is similar to the sine waves is output and then led into a dry type transformer 6-6, the dry-type transformer 6-6 is used for isolating and converting the single-phase alternating current into a single-phase high-voltage power supply, and the power is not changed. The voltage range of the single-phase high-voltage power frequency power supply is divided into two grades, 1100V and 1500V, and it can be understood that the diameter of the igniter is small, so that the diameter of the single-phase cable 8 is required to a certain extent, and the single-phase high-voltage power frequency power supply is transmitted by adopting high-voltage low-current transmission.
In one embodiment, referring to fig. 3, the electric ignition control apparatus further includes a dry-type transformer cabinet, the dry-type transformer is disposed inside the dry-type transformer cabinet, the dry-type transformer cabinet is cooled by air cooling, and a fan may be disposed inside the dry-type transformer cabinet.
In one embodiment, the electric ignition control device further comprises a display for displaying the input voltage, the input current, the output voltage, the output current and the output power of the electric ignition control device. In a specific implementation, the display may be a 20 × 40mm LCD black and white screen.
In one embodiment, the output voltage of the electric ignition control device is 1100V or 1500V, and the output power is 100-150 KW.
In one embodiment, referring to fig. 2, the electric ignition control device 6 further includes a box 6-7, and the fuse 6-1, the vacuum circuit breaker 6-2, the ac contactor 6-3, the rectifier bridge 6-4, the inverter 6-5, and the dry type transformer 6-6 are disposed inside the box 6-7. The box body 6-7 is provided with a main switch 6-8 for controlling the working state of the electric ignition control device 6. And indicator lamps 6-9 are also arranged on the box bodies 6-7 and used for displaying the working state of the electric ignition control device.
In one embodiment, referring to FIG. 2, the electrical ignition control 6 further includes a radiator 6-10.
Utilize the embodiment of the utility model provides a fireflood electric ignition device integrates through fuse, vacuum circuit breaker, ac contactor, rectifier bridge, dc-to-ac converter and dry-type transformer, can change the oil field 380V power into high-power single-phase high-voltage power frequency power supply to provide it to shaft bottom electric heater, and then heated air, finally reach the purpose of fireflood oil recovery. In addition, the fireflood electric ignition device is convenient to transport and can be better applied to the field of fireflood oil extraction in heavy oil fields.
In the description of the present specification, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
Reference to the description of the terms "one embodiment," "a particular embodiment," "some embodiments," "for example," "an example," "a particular example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. The sequence of steps involved in the embodiments is for illustrative purposes, and the sequence of steps is not limited and may be adjusted as desired.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A fireflood electric igniter, comprising: a sieve tube, a sleeve, an oil tube, a packer, a heat insulation tube and an electric ignition control device, wherein,
the electric ignition control device includes: the system comprises a fuse, a vacuum circuit breaker, an alternating current contactor, a rectifier bridge, an inverter and a dry-type transformer which are electrically connected in sequence;
the electric ignition control device is connected with a three-phase cable and is connected with the inside of the sieve tube through a single-phase cable;
the top and the bottom of the sieve tube are connected with the oil tube through the heat insulation tube, and the packer is arranged between the heat insulation tube and the sleeve;
the sleeve is fixed on the well wall, and the oil pipe is arranged in the sleeve.
2. A fire ignition device according to claim 1, wherein the electric ignition control device further comprises a case, and the fuse, the vacuum circuit breaker, the ac contactor, the rectifier bridge, the inverter, and the dry type transformer are disposed inside the case.
3. A fire ignition control device as recited in claim 1, wherein the electrical ignition control device further comprises a display for displaying the input voltage, input current, output voltage, output current and output power of the electrical ignition control device.
4. A fire powered ignition device as claimed in claim 3, wherein the display is a black and white LCD screen.
5. A fire powered ignition device as claimed in claim 3, characterised in that the display size is 20 x 40 mm.
6. A fire-powered ignition device as claimed in claim 3, wherein the output voltage is 1100V or 1500V.
7. The fire powered ignition device of claim 3 wherein the output power is 100 and 150 KW.
8. A fire powered ignition device as claimed in claim 1, wherein said electrical ignition control means further comprises an indicator light for indicating the operating status of said electrical ignition control means.
9. A fire powered ignition device as claimed in claim 1, wherein the electrical ignition control means further comprises a heat sink.
10. The fireflood electric ignition device of claim 1, wherein an insulated gate bipolar transistor is disposed inside the inverter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920478458.6U CN210068118U (en) | 2019-04-10 | 2019-04-10 | Fireflood electric ignition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920478458.6U CN210068118U (en) | 2019-04-10 | 2019-04-10 | Fireflood electric ignition device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210068118U true CN210068118U (en) | 2020-02-14 |
Family
ID=69436559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920478458.6U Active CN210068118U (en) | 2019-04-10 | 2019-04-10 | Fireflood electric ignition device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210068118U (en) |
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2019
- 2019-04-10 CN CN201920478458.6U patent/CN210068118U/en active Active
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