CN211860586U - Oil field is electromagnetic heating device in pit - Google Patents
Oil field is electromagnetic heating device in pit Download PDFInfo
- Publication number
- CN211860586U CN211860586U CN202020688077.3U CN202020688077U CN211860586U CN 211860586 U CN211860586 U CN 211860586U CN 202020688077 U CN202020688077 U CN 202020688077U CN 211860586 U CN211860586 U CN 211860586U
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- Prior art keywords
- heating
- coil
- drill pipe
- heater
- cylinder
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- Expired - Fee Related
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 121
- 238000009434 installation Methods 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 238000011084 recovery Methods 0.000 abstract description 7
- 239000003921 oil Substances 0.000 description 23
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- 239000003208 petroleum Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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- General Induction Heating (AREA)
Abstract
The utility model discloses an oil field is electromagnetic heating device in pit, including the drill pipe, the lower extreme of drill pipe is provided with flange, and the downside of drill pipe is provided with the heater, and the heater includes cartridge heater, heating coil, heating pan, fixed head, fixing base, controller, coil block, mounting groove, coil shell and fixed screw, the upper end of cartridge heater is provided with flange that flange matched with of drill pipe; this oil field is electromagnetic heating device in pit, through the structure of the drill pipe that sets up, sleeve, flange, cable, heater, cartridge heater, heating coil, heating pot, fixed head, fixing base, controller, coil holder, mounting groove, coil shell and fixed screw, the thermal recovery mode of traditional burning heating has been changed, electromagnetic eddy current type heating has been realized, not only has realized the accurate control to heating temperature, has improved heating efficiency, has reduced the wasting of resources moreover, and is safe and reliable, easy operation.
Description
Technical Field
The utility model relates to an oil field is heating device field in pit specifically is an oil field is electromagnetic heating device in pit.
Background
An oil field refers to a specific area of crude oil production. Sometimes referred to collectively as the reservoir of oil accumulated in the subsurface of a particular area. Several oil zones are broadly referred to together as an oil field. Oil fields are naturally occurring hydrocarbons in the subsurface that are liquid at surface conditions. In contrast, it is still a gas at surface conditions, and is natural gas. A particular area of natural gas production is a natural gas field. The size of the recoverable reserves of the oil determines the exploitation value. It is required to accurately calculate the size of the oil-containing area, the number and thickness of oil layers, the oil reserves per unit area, and the like.
Thermal recovery is to heat an oil reservoir which is difficult to recover under normal conditions underground by an artificial heating method so that crude oil can be recovered, thereby improving the recovery ratio. Thermal recovery is also an emerging oil recovery method for oil field development and production in recent years.
When petroleum is thermally recovered, the existing thermal recovery equipment usually adopts open fire combustion and a combustion agent, so that not only is the combustion state uncontrollable and the combustion resources consumed, but also the temperature uncontrollable, the heating efficiency low and the operation complex; this makes it necessary to invent an electromagnetic heating device for oil field downhole.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an oil field is electromagnetic heating device in pit to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
an oil field underground electromagnetic heating device comprises a drill pipe, wherein a connecting flange is arranged at the lower end of the drill pipe, a heater is arranged on the lower side of the drill pipe and comprises a heating cylinder, a heating coil, a heating pot, a fixing head, a fixing seat, a controller, a coil seat, a mounting groove, a coil shell and a fixing screw hole, the upper end of the heating cylinder is provided with a connecting flange matched with the connecting flange of the drill pipe, and the connecting flanges are fixedly connected through bolts and nuts; a heating pot is arranged in the heating cylinder, and a plurality of parallel coil holders are arranged on the outer side of the heating pot from top to bottom; the coil seat is provided with an installation groove, a heating coil is arranged in the installation groove, a coil shell is arranged outside the heating coil, and the coil shell is fixed in the installation groove through bolts and nuts; a controller is arranged in the heating cylinder and is electrically connected with the heating coil through an electric wire; the rear part of the heating cylinder is connected with a cable, the cable is arranged on the outer side of the drill pipe, and the cable is electrically connected with the controller; the bottom of heating pot is provided with the fixed head, is provided with fixed screw on the fixed head, the bottom of cartridge heater is provided with the fixing base with fixed head matched with, is provided with the fixed screw that corresponds with the fixed head on the fixing base, and the heating pot passes through bolt and nut and the fixed sealing connection of cartridge heater.
As a further aspect of the present invention: the connecting flange and the drill pipe are of an integrally formed structure; the heating cylinder is cylindrical, and the heating cylinder is made of stainless steel.
As a further aspect of the present invention: the heating pot is in a conical cylinder shape and is made of stainless steel; the coil holder and the heating pot are of an integrally formed structure, and the diameter of the coil holder is equal to that of the heating cylinder.
As a further aspect of the present invention: the fixed head and the heating pot are of an integrally formed structure.
As a further aspect of the present invention: the fixing seat is provided with a sealing gasket which is made of rubber.
Compared with the prior art, the beneficial effects of the utility model are that: this oil field is electromagnetic heating device in pit, through the structure of the drill pipe that sets up, sleeve, flange, cable, heater, cartridge heater, heating coil, heating pot, fixed head, fixing base, controller, coil holder, mounting groove, coil shell and fixed screw, the thermal recovery mode of traditional burning heating has been changed, electromagnetic eddy current type heating has been realized, not only has realized the accurate control to heating temperature, has improved heating efficiency, has reduced the wasting of resources moreover, and is safe and reliable, easy operation.
Drawings
Fig. 1 is a schematic structural diagram of an oil field downhole electromagnetic heating device.
Fig. 2 is an external structure schematic diagram of an oil field downhole electromagnetic heating device.
Fig. 3 is a schematic structural diagram of a heating cylinder in an oilfield downhole electromagnetic heating device.
Fig. 4 is a schematic structural diagram of a heating pan in an oil field downhole electromagnetic heating device.
Fig. 5 is a schematic structural diagram of a heating coil in an oilfield downhole electromagnetic heating device.
In the figure: the device comprises a drill pipe 1, a sleeve 2, a connecting flange 3, a cable 4, a heater 5, a heating cylinder 6, a heating coil 7, a heating pot 8, a fixing head 9, a fixing seat 10, a controller 11, a coil seat 12, a mounting groove 13, a coil shell 14 and a fixing screw hole 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 5, in an embodiment of the present invention, an oil field downhole electromagnetic heating device includes a drill pipe 1, a connecting flange 3 is disposed at a lower end of the drill pipe 1, the connecting flange 3 and the drill pipe 1 are an integrally formed structure, a heater 5 is disposed at a lower side of the drill pipe 1, the heater 5 includes a heating cylinder 6, a heating coil 7, a heating pan 8, a fixing head 9, a fixing seat 10, a controller 11, a coil holder 12, a mounting groove 13, a coil housing 14 and a fixing screw hole 15, the upper end of the heating cylinder 6 is provided with the connecting flange 3 matched with the connecting flange 3 of the drill pipe 1, and the connecting flanges 3 are fixedly connected through bolts and nuts; the heating cylinder 6 is cylindrical, and the heating cylinder 6 is made of stainless steel; the heating device is characterized in that a heating pot 8 is arranged in the heating cylinder 6, the heating pot 8 is in a conical cylinder shape, the heating pot 8 is made of stainless steel materials, a plurality of parallel coil holders 12 are arranged on the outer side of the heating pot 8 from top to bottom, the coil holders 12 and the heating pot 8 are of an integrally formed structure, and the diameter of each coil holder 12 is equal to that of the heating cylinder 6;
referring to fig. 1, 4 and 5, in an embodiment of the present invention, a mounting groove 13 is disposed on the coil base 12, a heating coil 7 is disposed in the mounting groove 13, a coil housing 14 is disposed outside the heating coil 7, and the coil housing 14 is fixed in the mounting groove 13 by bolts and nuts; a controller 11 is arranged in the heating cylinder 6, and the controller 11 is electrically connected with the heating coil 7 through an electric wire; the heating coil 7 is used for generating electromagnetic eddy current to realize eddy current heating of petroleum; the rear part of the heating cylinder 6 is connected with a cable 4, the cable 4 is arranged on the outer side of the drill pipe 1, and the cable 4 is electrically connected with the controller 11; the cable 4 is used for supplying power to the heater 5; the bottom of the heating pot 8 is provided with a fixing head 9, the fixing head 9 and the heating pot 8 are of an integrated structure, a fixing screw hole 15 is formed in the fixing head 9, a fixing seat 10 matched with the fixing head 9 is arranged at the bottom of the heating cylinder 6, a fixing screw hole 15 corresponding to the fixing head 9 is formed in the fixing seat 10, a sealing gasket is arranged at the position of the fixing seat 10 and is made of rubber, and the heating pot 8 is fixedly and hermetically connected with the heating cylinder 6 through a bolt and a nut;
when in use, the heating coil 7 is fixed at the outer side of the heating pan 8, and then the heating pan 8 is fixed in the heating cylinder 6; then fixedly connecting the heater 5 with the drill pipe 1; then, power is supplied to a heating coil 7 through a cable 4, and the heating coil 7 is matched with a heating pot 8 made of stainless steel to carry out eddy current heating on the petroleum entering the heating pot 8; through the mode of vortex heating, replace the current mode of using the combustion agent, do not produce the naked light simultaneously, improve heating efficiency, reduce the wasting of resources, the reinforcing security.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (5)
1. The electromagnetic heating device for the underground oil field comprises a drill pipe (1) and is characterized in that a connecting flange (3) is arranged at the lower end of the drill pipe (1), a heater (5) is arranged on the lower side of the drill pipe (1), the heater (5) comprises a heating cylinder (6), a heating coil (7), a heating pot (8), a fixing head (9), a fixing seat (10), a controller (11), a coil seat (12), an installation groove (13), a coil shell (14) and a fixing screw hole (15), the connecting flange (3) matched with the connecting flange (3) of the drill pipe (1) is arranged at the upper end of the heating cylinder (6), and the connecting flanges (3) are fixedly connected through bolts and nuts; a heating pot (8) is arranged in the heating cylinder (6), and a plurality of parallel coil holders (12) are arranged on the outer side of the heating pot (8) from top to bottom; the coil holder (12) is provided with an installation groove (13), a heating coil (7) is arranged in the installation groove (13), a coil shell (14) is arranged on the outer side of the heating coil (7), and the coil shell (14) is fixed in the installation groove (13) through bolts and nuts; a controller (11) is arranged in the heating cylinder (6), and the controller (11) is electrically connected with the heating coil (7) through an electric wire; the rear part of the heating cylinder (6) is connected with a cable (4), the cable (4) is arranged on the outer side of the drill pipe (1), and the cable (4) is electrically connected with the controller (11); the bottom of heating pot (8) is provided with fixed head (9), is provided with fixed screw (15) on fixed head (9), the bottom of cartridge heater (6) is provided with fixing base (10) with fixed head (9) matched with, is provided with fixed screw (15) that correspond with fixed head (9) on fixing base (10), and fixed sealing connection is passed through bolt and nut and cartridge heater (6) in heating pot (8).
2. An oilfield downhole electromagnetic heating device according to claim 1, wherein the connection flange (3) and the drill pipe (1) are of an integrally formed structure; the heating cylinder (6) is cylindrical, and the heating cylinder (6) is made of stainless steel.
3. An oilfield downhole electromagnetic heating device according to claim 1, wherein the heating pan (8) is of a conical cylinder type, and the heating pan (8) is made of stainless steel; the coil holder (12) and the heating pot (8) are of an integrated structure, and the diameter of the coil holder (12) is equal to that of the heating cylinder (6).
4. An oilfield downhole electromagnetic heating device according to claim 1, wherein the fixing head (9) and the heating pan (8) are of an integrally formed structure.
5. The electromagnetic heating device in the oil field is characterized in that a sealing gasket is arranged at the fixed seat (10), and the sealing gasket is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020688077.3U CN211860586U (en) | 2020-04-29 | 2020-04-29 | Oil field is electromagnetic heating device in pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020688077.3U CN211860586U (en) | 2020-04-29 | 2020-04-29 | Oil field is electromagnetic heating device in pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211860586U true CN211860586U (en) | 2020-11-03 |
Family
ID=73177793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020688077.3U Expired - Fee Related CN211860586U (en) | 2020-04-29 | 2020-04-29 | Oil field is electromagnetic heating device in pit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211860586U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114794071A (en) * | 2022-04-14 | 2022-07-29 | 浙江普莱得电器股份有限公司 | Straw burning machine |
-
2020
- 2020-04-29 CN CN202020688077.3U patent/CN211860586U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114794071A (en) * | 2022-04-14 | 2022-07-29 | 浙江普莱得电器股份有限公司 | Straw burning machine |
| CN114794071B (en) * | 2022-04-14 | 2023-02-21 | 浙江普莱得电器股份有限公司 | Straw burning machine |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201103 |
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| CF01 | Termination of patent right due to non-payment of annual fee |