CN215830471U - Remove heat-retaining formula wax washing system and drilling platform - Google Patents
Remove heat-retaining formula wax washing system and drilling platform Download PDFInfo
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- CN215830471U CN215830471U CN202023334771.4U CN202023334771U CN215830471U CN 215830471 U CN215830471 U CN 215830471U CN 202023334771 U CN202023334771 U CN 202023334771U CN 215830471 U CN215830471 U CN 215830471U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
A mobile heat storage type wax washing system and a drilling platform relate to the technical field of oil well wax washing. The mobile heat storage type wax washing system comprises a waste heat recovery device, a heat storage well washing vehicle and a water replenishing device; the waste heat recovery water supply pipe, the waste heat recovery device, the waste heat recovery steam return pipe and the heat storage device are communicated in sequence, and a waste heat recovery circulation pipeline is formed; the waste heat recovery device is used for connecting a smoke exhaust pipeline of the heating furnace; the waste heat recovery circulation pipeline exchanges heat with the smoke exhaust pipeline in the waste heat recovery device; the water replenishing device is communicated with the heat storage device; the heat storage well flushing vehicle is communicated with the heat storage device; a well washing vehicle steam charging pipe and a well washing vehicle water return pipe are arranged between the heat storage well washing vehicle and the heat storage device. The drilling platform comprises a mobile heat storage type wax washing system. The utility model aims to provide a mobile heat storage type wax washing system and a drilling platform, which solve the technical problem of large energy waste caused by directly discharging flue gas of a heating furnace into the atmosphere in the prior art to a certain extent.
Description
Technical Field
The utility model relates to the technical field of oil well wax washing, in particular to a mobile heat storage type wax washing system and a drilling platform.
Background
In the process of crude oil production, wax contained in crude oil can be continuously separated out and condensed on the wall of an oil pipe, and the oil pipe can be blocked after a long time, so that the oil yield of an oil well is influenced, and therefore, the wax removal work is required after a period of time. In the prior art, a special paraffin removal vehicle is used, and specifically, a heating furnace is installed on one vehicle, a water tank truck is then provided, the two vehicles arrive at an oil well site together, water is heated by the heating furnace and injected into an oil well ring sleeve to heat an oil pipe, and wax accumulated in the oil pipe is melted. The method uses water of about 20-30 cubic meters, has large water consumption, and can not only pollute an oil layer, but also kill a well, influence the oil production of the oil well and prolong the yield recovery period by injecting the heated water into the oil well.
On the site of a drilling platform, a heating furnace is generally adopted to provide hot water and hot steam for the whole site; such as heating hot water in living areas, crude oil export heating in well drilling areas, crude oil dehydration and the like. The flue gas temperature of the heating furnace is higher, for example, the temperature can reach 300-500 degrees. However, the flue gas of the existing heating furnace is directly discharged into the atmosphere, which causes a great deal of energy waste.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a mobile heat storage type wax washing system, which solves the technical problem of large energy waste caused by directly discharging flue gas of a heating furnace into the atmosphere in the prior art to a certain extent.
Another object of the present invention is to provide a drilling platform, which solves the technical problem of the prior art that the flue gas of the heating furnace is directly discharged into the atmosphere, which results in a great amount of energy waste.
In order to achieve the purpose, the utility model provides the following technical scheme:
a mobile heat storage type wax washing system comprises a waste heat recovery device, a heat storage well washing vehicle and a water replenishing device;
a waste heat recovery steam return pipe and a waste heat recovery water supply pipe are arranged between the heat storage device and the waste heat recovery device; the waste heat recovery water supply pipe, the waste heat recovery device, the waste heat recovery steam return pipe and the heat storage device are communicated in sequence to form a waste heat recovery circulation pipeline;
the waste heat recovery device is used for connecting a smoke exhaust pipeline of the heating furnace; the waste heat recovery circulation pipeline exchanges heat with the smoke exhaust pipeline in the waste heat recovery device, so that steam or steam mixed liquid is conveyed to the heat storage device through the waste heat recovery steam return pipe;
the water replenishing device is communicated with the heat storage device and is used for replenishing water to the heat storage device;
the heat storage well flushing vehicle is communicated with the heat storage device, and steam or steam mixed liquid in the heat storage device is conveyed to the heat storage well flushing vehicle.
A well washing vehicle steam charging pipe and a well washing vehicle water return pipe are arranged between the heat storage well washing vehicle and the heat storage device; the well washing vehicle water return pipe, the heat storage device, the well washing vehicle steam charging pipe and the heat storage well washing vehicle are communicated in sequence, and a well washing vehicle steam charging circulation pipeline is formed.
According to an optional technical scheme, the heat storage device comprises a waste heat steam return port communicated with the waste heat recovery steam return pipe, a waste heat water supply port communicated with the waste heat recovery water supply pipe, a water replenishing port communicated with the water replenishing device and an output steam port communicated with a steam charging pipe of the well washing truck;
the well washing vehicle water return pipe is communicated with the water supplementing port;
the waste heat water supply port and the water replenishing port are arranged at the bottom of the heat storage device;
the output steam port is arranged at the top of the heat storage device;
the waste heat steam return port is arranged at the upper part of the heat storage device and is lower than the output steam port.
According to an optional technical scheme, the mobile heat storage type wax washing system further comprises a water replenishing pump;
the well washing vehicle water return pipe with the moisturizing device respectively with the input intercommunication of moisturizing pump, the output of moisturizing pump with moisturizing port intercommunication.
According to the optional technical scheme, a water replenishing liquid level sensor is arranged in the heat storage device; the water replenishing liquid level sensor is electrically connected with the water replenishing pump; the water replenishing liquid level sensor is used for monitoring the water level in the heat storage device so as to correspondingly control the start and stop of the water replenishing pump;
or a water replenishing upper liquid level switch and a water replenishing lower liquid level switch are arranged in the heat storage device; the water replenishing upper liquid level switch and the water replenishing lower liquid level switch are electrically connected with the water replenishing pump; the water replenishing upper liquid level switch is used for monitoring that the water level in the heat storage device reaches a preset highest liquid level, and the water replenishing pump stops working; and the underwater water replenishing liquid level switch is used for monitoring that the water level in the heat storage device reaches a preset minimum liquid level, and the water replenishing pump starts to work.
According to the optional technical scheme, the waste heat steam return port is connected with a stop valve; the waste heat water supply port is connected with a stop valve; the water supplementing port is connected with a stop valve; the steam output port is connected with a stop valve;
the interface of the heat storage well washing vehicle communicated with the water return pipe of the well washing vehicle is connected with a stop valve, and the interface of the heat storage well washing vehicle communicated with the steam charging pipe of the well washing vehicle is connected with a stop valve.
The utility model has the optional technical scheme that the water supplementing device is constant-pressure water supplementing equipment;
and/or a pressure relief valve is arranged at the top of the heat storage device.
According to the optional technical scheme, the waste heat recovery water supply pipe is provided with a water supply pump.
A drilling rig comprising a mobile thermal storage wax wash system.
The utility model has the optional technical scheme that the drilling platform comprises a heating furnace;
the heating furnace is provided with a smoke exhaust pipeline communicated with the waste heat recovery device; the smoke exhaust pipeline and the waste heat recovery circulation pipeline exchange heat in the waste heat recovery device.
The drilling platform comprises a casing arranged in an oil well and an oil pipe arranged in the casing; an oil well pump is arranged between the sleeve and the oil pipe;
the heat storage well washing vehicle is connected with a well washing vehicle steam release pipeline, and the well washing vehicle steam release pipeline extends into the space between the sleeve and the oil pipe.
By adopting the technical scheme, the utility model has the beneficial effects that:
the utility model provides a mobile heat storage type wax washing system and a drilling platform, which comprise a waste heat recovery device, a heat storage well washing vehicle and a water replenishing device, wherein a waste heat recovery water supply pipe, the waste heat recovery device, a waste heat recovery steam return pipe and the heat storage device are sequentially communicated to form a waste heat recovery circulation pipeline; the waste heat recovery circulation pipeline exchanges heat with a smoke exhaust pipeline of the heating furnace in the waste heat recovery device so that water in the waste heat recovery water supply pipe absorbs heat and evaporates to form steam or steam mixed liquid, and then the steam is conveyed to the heat storage device through the waste heat recovery steam return pipe to be stored; the well washing vehicle is communicated with the well washing vehicle through the well washing vehicle water return pipe, the heat storage device, the well washing vehicle steam charging pipe and the heat storage well washing vehicle in sequence to form a well washing vehicle steam charging circulation pipeline, so that steam or steam mixed liquid stored in the heat storage device is conveyed to the heat storage well washing vehicle. This remove heat storage formula wax washing system, the waste heat in the flue gas of effectively retrieving the heating furnace emission has reduced the waste of the energy.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a mobile heat storage type wax washing system according to an embodiment of the present invention;
FIG. 2 is a partial enlarged view of the mobile thermal storage wax washing system shown in FIG. 1;
fig. 3 is a schematic structural diagram of the heat storage well washing vehicle provided by the embodiment of the utility model and connected with an oil well for washing wax.
Icon: 1-heating a furnace; 2-a waste heat recovery device; 3-a water supply pump; 4-a heat storage device; 5-water replenishing pump; 6-a water replenishing device; 7-heat storage well washing vehicle; 9-a smoke exhaust pipeline; 10-a waste heat recovery steam pipe; 11-a waste heat recovery water supply pipe; 12-a well-flushing truck steam-filling pipe; 13-a water replenishing pipe of the heat storage device; 14-a well washing vehicle water return pipe; 16-a well-flushing truck steam-discharging pipeline; 20-oil well pump; 21-oil pipe; 22-sleeve.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the utility model are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
Example one
Referring to fig. 1 to fig. 3, a mobile heat storage type wax washing system and a drilling platform are provided in the present embodiment, and fig. 1 is a schematic structural diagram of the mobile heat storage type wax washing system provided in the present embodiment; FIG. 3 is a schematic structural diagram of the heat-storage well flushing truck according to the present embodiment connected to an oil well for wax flushing; fig. 2 is a partially enlarged view of the mobile heat storage type wax washing system shown in fig. 1 to show the structure more clearly.
The mobile heat storage type wax washing system provided by the embodiment is used for recovering the waste heat of the tail gas of the heating furnace of the drilling platform. Referring to fig. 1-3, the mobile heat storage type wax washing system comprises a waste heat recovery device 2, a heat storage device 4, a heat storage well washing vehicle 7 and a water replenishing device 6.
A waste heat recovery steam pipe 10 and a waste heat recovery water supply pipe 11 are arranged between the heat storage device 4 and the waste heat recovery device 2; the waste heat recovery water supply pipe 11, the waste heat recovery device 2, the waste heat recovery steam pipe 10 and the heat storage device 4 are communicated in sequence to form a waste heat recovery circulation pipeline; that is, the heat storage device 4, the waste heat recovery water supply pipe 11, the waste heat recovery device 2, and the waste heat recovery steam pipe 10 are sequentially communicated.
The waste heat recovery device 2 is used for connecting a smoke exhaust pipeline 9 of the heating furnace 1; the smoke exhaust pipeline 9 and the waste heat recovery circulation pipeline exchange heat in the waste heat recovery device 2; the waste heat recovery circulation pipeline exchanges heat with the smoke exhaust pipeline 9 in the waste heat recovery device 2, so that water in the waste heat recovery water supply pipe 11 absorbs heat and is evaporated into steam or steam mixed liquid, and the steam or the steam mixed liquid is conveyed to the heat storage device 4 through the waste heat recovery steam pipe 10.
The water replenishing device 6 is communicated with the heat storage device 4 and is used for replenishing water to the heat storage device 4; through the water replenishing device, the heat storage device 4 can exchange heat of water of the water replenishing device 6 with the smoke exhaust pipeline 9 of the heating furnace 1 in the waste heat recovery device 2 through the waste heat recovery water supply pipe 11, absorbs heat to form steam or steam mixed liquid, and then conveys the steam or steam mixed liquid to the heat storage well flushing truck 7. Optionally, the water replenishing device 6 is communicated with the heat storage device 4 through a heat storage device water replenishing pipe 13.
The heat storage well flushing vehicle 7 is communicated with the heat storage device 4, and steam or steam mixed liquid in the heat storage device 4 is conveyed to the heat storage well flushing vehicle 7.
A well washing vehicle steam charging pipe 12 and a well washing vehicle water return pipe 14 are arranged between the heat storage well washing vehicle 7 and the heat storage device 4; the well washing vehicle water return pipe 14, the heat storage device 4, the well washing vehicle steam charging pipe 12 and the heat storage well washing vehicle 7 are communicated in sequence, and a well washing vehicle steam charging circulation pipeline is formed. Namely, the heat storage well flushing truck 7, the well flushing truck water return pipe 14, the heat storage device 4 and the well flushing truck steam charging pipe 12 are communicated in sequence. Through well flushing truck wet return 14, can carry the cooling water of well flushing truck wet return 14 for heat-retaining device 4 to through heat-retaining device 4 and the heat recovery device 2 heat transfer, make the cooling water evaporate again for steam or steam mixed liquid.
The steam mixed liquid described in this embodiment refers to a mixed liquid of steam and water.
The mobile heat storage type wax washing system in the embodiment comprises a waste heat recovery device 2, a heat storage device 4, a heat storage well washing vehicle 7 and a water replenishing device 6, wherein a waste heat recovery water supply pipe 11, the waste heat recovery device 2, a waste heat recovery steam pipe 10 and the heat storage device 4 are sequentially communicated to form a waste heat recovery circulation pipeline; heat exchange is carried out between the waste heat recovery device 2 and the smoke exhaust pipeline 9 of the heating furnace 1 through a waste heat recovery circulation pipeline, so that water in a waste heat recovery water supply pipe 11 absorbs heat and evaporates to form steam or steam mixed liquid, and then the steam or the steam mixed liquid is conveyed to the heat storage device 4 through a waste heat recovery steam pipe 10 to be stored; the well washing vehicle is communicated with the well washing vehicle 7 through the well washing vehicle water return pipe 14, the heat storage device 4, the well washing vehicle steam charging pipe 12 in sequence to form a well washing vehicle steam charging circulation pipeline, so that steam or steam mixed liquid stored in the heat storage device 4 is conveyed to the heat storage well washing vehicle 7. This remove heat storage formula wax washing system, the waste heat in the flue gas of effectively retrieving heating furnace 1 emission has reduced the waste of the energy.
In the oil extraction operation, the heat source comes from the heating furnace 1 of the combined delivery station of the oil extraction plant, and a large amount of flue gas is generated in the operation process of the heating furnace 1 and contains a large amount of waste heat. This embodiment remove heat storage formula wax washing system, through make waste heat recovery circulation pipeline and the heat transfer of the exhaust fume line 9 of heating furnace 1 in waste heat recovery device 2, reach waste heat recovery's purpose.
Referring to fig. 1 and 2, the heat storage device 4 optionally includes a waste heat steam return port in communication with a waste heat recovery steam pipe 10, a waste heat water feed port in communication with a waste heat water feed pipe 11, a water supplement port in communication with a water supplement device 6, and an output steam port in communication with a well flushing truck steam charging pipe 12.
Optionally, the well flushing truck water return pipe 14 is communicated with the water replenishing port; that is, the heat storage device 4 can be replenished with water through the water replenishing device 6 and the heat storage well flushing truck 7, wherein most of the water in the heat storage device 4 is replenished through the water replenishing device 6.
Optionally, the waste heat water supply port and the water replenishing port are arranged at the bottom of the heat storage device 4.
Optionally, the steam outlet is arranged at the top of the heat storage device 4.
Optionally, the waste heat steam return port is arranged at the upper part of the heat storage device 4, and the waste heat steam return port is lower than the output steam port.
Optionally, the waste heat steam return port is higher than the waste heat water supply port and the water supplement port.
Referring to fig. 1 and 2, optionally, the mobile heat storage type wax washing system further comprises a water replenishing pump 5.
The well washing vehicle water return pipe 14 and the water supplementing device 6 are respectively communicated with the input end of the water supplementing pump 5, and the output end of the water supplementing pump 5 is communicated with the water supplementing port of the heat storage device 4. The well washing vehicle water return pipe 14 or the water replenishing device 6 supplies water to the heat storage device 4 through the water replenishing pump 5.
Optionally, a water replenishing liquid level sensor is arranged in the heat storage device 4; the water replenishing liquid level sensor is electrically connected with the water replenishing pump 5; the water replenishing liquid level sensor is used for monitoring the water level in the heat storage device 4 so as to correspondingly control the start and stop of the water replenishing pump 5; when the water replenishing liquid level sensor monitors that the water level in the heat storage device 4 reaches a preset maximum liquid level, the water replenishing pump 5 stops working correspondingly; when the water level sensor monitors that the water level in the heat storage device 4 reaches the preset minimum liquid level, the water replenishing pump 5 starts to work correspondingly.
The linkage relationship between the heat storage device 4 and the water replenishing pump 5 in this embodiment can also be realized by other modes. For example, a water replenishing upper liquid level switch and a water replenishing lower liquid level switch are arranged in the heat storage device 4; the water replenishing upper liquid level switch and the water replenishing lower liquid level switch are electrically connected with the water replenishing pump 5; the water replenishing upper liquid level switch is used for monitoring that the water level in the heat storage device 4 reaches a preset maximum liquid level, and the water replenishing pump 5 stops working; and the underwater water supplementing liquid level switch is used for monitoring that the water level in the heat storage device 4 reaches the preset lowest liquid level, and the water supplementing pump 5 starts to work.
Referring to fig. 1-3, optionally, the waste heat steam return port is connected with a stop valve; the waste heat water supply port is connected with a stop valve; the water replenishing port is connected with a stop valve; the steam output port is connected with a stop valve. Stop valves are respectively arranged on the waste heat steam return port, the waste heat water supply port, the water supplementing port and the steam output port, so that the heat storage device 4 can be maintained, assembled and disassembled conveniently.
Optionally, an interface of the heat storage well washing vehicle 7, which is communicated with the well washing vehicle water return pipe 14, is connected with a stop valve, and an interface of the heat storage well washing vehicle 7, which is communicated with the well washing vehicle steam charging pipe 12, is connected with a stop valve. A stop valve is arranged at the inlet and the outlet of the heat storage well flushing vehicle 7 so as to be convenient for connecting the heat storage well flushing vehicle 7.
Optionally, the inlet and outlet of the waste heat recovery device 2 and the water replenishing device 6 are provided with a stop valve.
Optionally, the water replenishing device 6 is a constant pressure water replenishing apparatus; the constant-pressure water replenishing equipment can output water with stable pressure, and is favorable for stable operation of the mobile heat storage type wax washing system.
Optionally, a pressure relief valve is provided on top of the heat storage device 4. The safety of the heat storage device 4 is improved through the pressure relief valve, and the safety of the mobile heat storage type wax washing system is further improved.
Referring to fig. 1-3, optionally, a waste heat recovery feed pipe 11 is provided with a feed pump 3. The water in the heat storage device 4 is supplied to the waste heat recovery device 2 by the water supply pump 3.
Example two
The second embodiment provides a drilling platform, the second embodiment includes the mobile thermal storage type wax washing system of the first embodiment, the technical features of the mobile thermal storage type wax washing system disclosed in the first embodiment are also applicable to the second embodiment, and the technical features of the mobile thermal storage type wax washing system disclosed in the first embodiment are not described repeatedly.
The drilling platform provided by the embodiment comprises the mobile heat storage type wax washing system. This drilling platform has effectively retrieved the waste heat in the flue gas that heating furnace 1 discharged, has reduced the waste of the energy.
Referring to fig. 1-3, the drilling platform optionally includes a furnace 1.
The heating furnace 1 is provided with a smoke exhaust pipeline 9 communicated with the waste heat recovery device 2; the smoke exhaust pipeline 9 and the waste heat recovery circulation pipeline exchange heat in the waste heat recovery device 2.
Referring to fig. 1-3, the drilling platform, optionally, comprises a casing 22 for disposition within a well and a tubing 21 disposed within the casing 22; an oil well pump 20 is arranged between the sleeve 22 and the oil pipe 21. The pump 20 is used to pump the medium in the casing 22 into the tubing 21 and discharge it to the ground through the tubing 21.
The heat storage well washing vehicle 7 is connected with a well washing vehicle steam discharging pipeline 16, and the well washing vehicle steam discharging pipeline 16 extends into a position between the casing 22 and the oil pipe 21.
The heat storage well flushing truck 7 transports steam or steam mixed liquid to a well flushing position, wherein the heat of the steam or steam mixed liquid is 130-155 ℃ for example; the steam discharge pipeline 16 of the well washing vehicle extends into the space between the casing 22 and the oil pipe 21, and carries out hot washing and paraffin removal on the oil well and a pipeline maintenance hot washing line.
When a well is washed, water is used as a heat-conducting medium, saturated steam or steam mixed liquid with the temperature of more than 130 ℃ of 0.5-1 ton/hour is rapidly injected into the well along a cavity between the casing 22 and the oil pipe 21 according to the well washing requirement, a heat circulation system is formed by means of the suction action of the oil well pump 20, wax deposits on the inner wall of the oil pipe 21 and the outer wall of the casing 22 are gradually dissolved and corroded, the heat temperature can be automatically controlled and adjusted according to the wax deposition characteristic in the well washing process, soluble organic plugs near the screen pipe and the perforation are washed away, and therefore the purposes of thermally washing wax, removing dirt from the well bore and ensuring the normal production of the well are achieved.
In this embodiment, the drilling platform has the advantages of the mobile heat storage type wax washing system in the first embodiment, and the advantages of the mobile heat storage type wax washing system in the first embodiment are not described repeatedly herein.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention. Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the utility model and form different embodiments. The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Claims (10)
1. A mobile heat storage type wax washing system is characterized by comprising a waste heat recovery device, a heat storage well washing vehicle and a water replenishing device;
a waste heat recovery steam return pipe and a waste heat recovery water supply pipe are arranged between the heat storage device and the waste heat recovery device; the waste heat recovery water supply pipe, the waste heat recovery device, the waste heat recovery steam return pipe and the heat storage device are communicated in sequence to form a waste heat recovery circulation pipeline;
the waste heat recovery device is used for connecting a smoke exhaust pipeline of the heating furnace; the waste heat recovery circulation pipeline exchanges heat with the smoke exhaust pipeline in the waste heat recovery device, so that steam or steam mixed liquid is conveyed to the heat storage device through the waste heat recovery steam return pipe;
the water replenishing device is communicated with the heat storage device and is used for replenishing water to the heat storage device;
the heat storage well flushing vehicle is communicated with the heat storage device, and steam or steam mixed liquid in the heat storage device is conveyed to the heat storage well flushing vehicle;
a well washing vehicle steam charging pipe and a well washing vehicle water return pipe are arranged between the heat storage well washing vehicle and the heat storage device; the well washing vehicle water return pipe, the heat storage device, the well washing vehicle steam charging pipe and the heat storage well washing vehicle are communicated in sequence, and a well washing vehicle steam charging circulation pipeline is formed.
2. The mobile heat storage type wax washing system according to claim 1, wherein the heat storage device comprises a waste heat steam return port communicated with the waste heat steam return pipe, a waste heat water supply port communicated with the waste heat water supply pipe, a water replenishing port communicated with the water replenishing device and an output steam port communicated with the steam charging pipe of the well washing truck;
the well washing vehicle water return pipe is communicated with the water supplementing port;
the waste heat water supply port and the water replenishing port are arranged at the bottom of the heat storage device;
the output steam port is arranged at the top of the heat storage device;
the waste heat steam return port is arranged at the upper part of the heat storage device and is lower than the output steam port.
3. A mobile thermal storage type wax washing system according to claim 2, further comprising a water replenishing pump;
the well washing vehicle water return pipe with the moisturizing device respectively with the input intercommunication of moisturizing pump, the output of moisturizing pump with moisturizing port intercommunication.
4. The mobile heat storage type wax washing system according to claim 3, wherein a water replenishing liquid level sensor is arranged in the heat storage device; the water replenishing liquid level sensor is electrically connected with the water replenishing pump; the water replenishing liquid level sensor is used for monitoring the water level in the heat storage device so as to correspondingly control the start and stop of the water replenishing pump;
or a water replenishing upper liquid level switch and a water replenishing lower liquid level switch are arranged in the heat storage device; the water replenishing upper liquid level switch and the water replenishing lower liquid level switch are electrically connected with the water replenishing pump; the water replenishing upper liquid level switch is used for monitoring that the water level in the heat storage device reaches a preset highest liquid level, and the water replenishing pump stops working; and the underwater water replenishing liquid level switch is used for monitoring that the water level in the heat storage device reaches a preset minimum liquid level, and the water replenishing pump starts to work.
5. The mobile heat storage type wax washing system according to claim 2, wherein the residual heat steam return port is connected with a stop valve; the waste heat water supply port is connected with a stop valve; the water supplementing port is connected with a stop valve; the steam output port is connected with a stop valve;
the interface of the heat storage well washing vehicle communicated with the water return pipe of the well washing vehicle is connected with a stop valve, and the interface of the heat storage well washing vehicle communicated with the steam charging pipe of the well washing vehicle is connected with a stop valve.
6. A mobile heat storage type wax washing system according to any one of claims 1 to 4, wherein the water replenishing device is a constant pressure water replenishing device;
and/or a pressure relief valve is arranged at the top of the heat storage device.
7. A mobile thermal storage type wax washing system according to any one of claims 1 to 4, wherein the waste heat recovery water supply pipe is provided with a water supply pump.
8. A drilling rig comprising a mobile thermal storage wax washing system according to any of claims 1-7.
9. A drilling platform as claimed in claim 8, comprising a furnace;
the heating furnace is provided with a smoke exhaust pipeline communicated with the waste heat recovery device; the smoke exhaust pipeline and the waste heat recovery circulation pipeline exchange heat in the waste heat recovery device.
10. The drilling platform of claim 8, comprising a casing for being disposed within a well and a tubing disposed within the casing; an oil well pump is arranged between the sleeve and the oil pipe;
the heat storage well washing vehicle is connected with a well washing vehicle steam release pipeline, and the well washing vehicle steam release pipeline extends into the space between the sleeve and the oil pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023334771.4U CN215830471U (en) | 2020-12-31 | 2020-12-31 | Remove heat-retaining formula wax washing system and drilling platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023334771.4U CN215830471U (en) | 2020-12-31 | 2020-12-31 | Remove heat-retaining formula wax washing system and drilling platform |
Publications (1)
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