CN107905747B - Device and method for controlling heat-consumption-reducing and heat-washing of thickened oil well in oil field - Google Patents
Device and method for controlling heat-consumption-reducing and heat-washing of thickened oil well in oil field Download PDFInfo
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- CN107905747B CN107905747B CN201711315928.9A CN201711315928A CN107905747B CN 107905747 B CN107905747 B CN 107905747B CN 201711315928 A CN201711315928 A CN 201711315928A CN 107905747 B CN107905747 B CN 107905747B
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- 238000005406 washing Methods 0.000 title claims abstract description 70
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000003129 oil well Substances 0.000 title claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 122
- 238000010438 heat treatment Methods 0.000 claims abstract description 72
- 230000007246 mechanism Effects 0.000 claims abstract description 39
- 230000005611 electricity Effects 0.000 claims description 14
- 239000003673 groundwater Substances 0.000 claims description 12
- 230000009467 reduction Effects 0.000 claims description 11
- 230000002265 prevention Effects 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000008034 disappearance Effects 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 230000003993 interaction Effects 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 3
- 239000003921 oil Substances 0.000 claims 19
- 239000000295 fuel oil Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 238000013461 design Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B36/00—Heating, cooling or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones
- E21B36/04—Heating, cooling or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones using electrical heaters
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Devices For Medical Bathing And Washing (AREA)
Abstract
The embodiment of the invention provides a device and a method for controlling heat-washing for reducing consumption of a thickened oil water-doped well in an oil field, wherein the device comprises the following components: a central controller, a parameter setting mechanism and a hot washing mechanism; the hot washing mechanism comprises a water tank, a first pipeline, a first electromagnetic valve, a second pipeline, a second electromagnetic valve and a heating device; the water tank of the hot washing mechanism is connected with a ground water-mixing viscosity-reducing pipe network of a thickened oil water-mixing well through a first pipeline provided with a first electromagnetic valve, and is provided with a heating device, an anti-scaling device and a water supply pump; the water tank of the hot washing mechanism is also connected with a ground water-mixing viscosity-reducing pipe network of the thickened oil water-mixing well through a second pipeline provided with a second electromagnetic valve so as to carry out ground water-heating washing, and the hot washing mechanism also comprises a circulating water pump which is connected with the ground water-mixing viscosity-reducing pipe network of the thickened oil water-mixing well through a second pipeline provided with the second electromagnetic valve so as to pump water from underground for self-circulation hot washing; the first electromagnetic valve, the second electromagnetic valve, the water supply pump and the circulating water pump are all connected with the central controller.
Description
Technical Field
The invention relates to the technical field of machinery, in particular to a device and a method for controlling heat-consumption reduction and heat-washing of a thickened oil well in an oil field.
Background
Through on-site investigation of a plurality of thick oil water-mixing wells, the thick oil water-mixing wells commonly adopt a low-stroke-frequency long-stroke exploitation mode. This is because the recovery of the thickened oil doped well cannot use a higher running stroke frequency, otherwise the existing equipment is adversely affected and the liquid production amount of the oil well is reduced. However, the existing thickened oil water-doped well commonly adopts a low-stroke-frequency long-stroke exploitation mode, and the following defects are common: 1) The unreasonable design of the control system leads to increased energy consumption; 2) The loss of the heat of water mixing and water inflow is large, the automatic high Wen Canshui automatic hot washing can not be carried out on the shaft of the thick oil well, the fixed valve, the floating valve and the dirt attached to the sucker rod can not be removed, so that the stroke loss of the thick oil water mixing well is large, and the pump efficiency is reduced; 3) Is limited by design defects and the exploitation process of the thick oil well, so that the liquid yield of the thick oil well is low.
Disclosure of Invention
Aiming at the problem of inaccuracy caused by unreasonable design of a device and a method for controlling the heat-reducing and heat-washing of an oilfield thick oil water-mixing well in the prior art, the embodiment of the invention aims to solve the technical problem of providing the device and the method for controlling the heat-reducing and heat-washing of the oilfield thick oil water-mixing well, which have simple and reasonable structures and can ensure the accuracy of measurement results.
In order to solve the above problems, an embodiment of the present invention provides a device and a method for controlling heat washing for reducing consumption of a thickened oil well in an oil field, including: a central controller, a parameter setting mechanism and a hot washing mechanism; the hot washing mechanism comprises a water tank, a first pipeline, a first electromagnetic valve, a second pipeline, a second electromagnetic valve and a heating device; the water tank of the hot washing mechanism is connected with a ground water-mixing viscosity-reducing pipe network of a thickened oil water-mixing well through a first pipeline provided with a first electromagnetic valve, and is provided with a heating device, an anti-scaling device and a water supply pump; the water tank of the hot washing mechanism is also connected with a ground water-mixing viscosity-reducing pipe network of the thickened oil water-mixing well through a second pipeline provided with a second electromagnetic valve so as to carry out ground water-heating washing, and the hot washing mechanism also comprises a circulating water pump which is connected with the ground water-mixing viscosity-reducing pipe network of the thickened oil water-mixing well through a second pipeline provided with the second electromagnetic valve so as to pump water from underground for self-circulation hot washing; the first electromagnetic valve, the second electromagnetic valve, the water supply pump and the circulating water pump are all connected with the central controller.
Wherein, the heating device of the hot washing mechanism is provided with a temperature sensor and a heater; the temperature sensor and the heater are connected with the central controller to perform controlled heating according to the reading of the temperature sensor in a preset time period.
Wherein, be equipped with in first pipeline and/or the second pipeline and connect the sensor of central controller in order to detect whether there is rivers.
The hot washing mechanism further comprises an anti-scaling device, and the anti-scaling device is connected with the first pipeline and/or the second pipeline.
The heat insulation mechanism is arranged on the first pipeline and/or the second pipeline so as to reduce the loss caused by heat radiation.
The parameter setting mechanism is a human-computer interaction interface.
The central controller is provided with a clock device for setting peak-to-valley electricity prices, so that the first electromagnetic valve is controlled to be opened and the second electromagnetic valve is controlled to be closed when electricity prices are low, ground water of a heating device of the hot washing mechanism is utilized for heating so as to carry out hot washing, and the first electromagnetic valve is controlled to be closed and the second electromagnetic valve is controlled to be opened when electricity prices are high, so that underground water is pumped by a circulating water pump of the hot washing mechanism so as to carry out self-circulation hot washing.
Meanwhile, the embodiment of the invention also provides a method for controlling the heat-washing of the oil field thick oil water-doped well by using the device according to any one of the previous embodiments, which comprises the following steps:
when the electricity charge peak price is as follows: when a water flow signal is detected in the first pipeline, automatically executing a ground water mixing temperature control heating program, and enabling a water mixing source to enter a ground water mixing viscosity reduction pipe network of a thickened oil water mixing well through the first pipeline and the first electromagnetic valve after passing through the heating device and the scaling prevention device; when a signal of water flowing in the first pipeline is detected and the water outlet temperature of the heating device is lower than a set value, the heating device can be automatically started to work; when the water outlet temperature of the heating device is higher than a set value or the water flow signal in the first pipeline disappears, the heating device is automatically stopped;
when electricity charge is off-peak: the second electromagnetic valve is opened, and the first electromagnetic valve is closed; when a water flow signal in the second pipeline is detected, a hot washing water mixing temperature control heating program under the thick oil well pump is automatically executed, a water mixing source passes through a water source filtering device, and a pipeline in a box body of the device, the heating device, the scaling prevention device and the second electromagnetic valve enter a water mixing viscosity reduction pipe network on the ground of the thick oil water mixing well so as to realize the reutilization of underground water; when the disappearance of the water mixing flowing signal in the pipe network is detected, the heating device is automatically stopped to work, and an acousto-optic indication signal is sent out. The heating device is additionally provided with an anti-scaling device for preventing the heating efficiency of the heating device from being reduced by the structure of the heating device. The water outlet pipeline of the device adopts a heat preservation measure to the wellhead part, so that the heat loss in the high-temperature hot washing water mixing transmission process is reduced.
The technical scheme of the invention has the following beneficial effects: the technical scheme provides the device and the method for controlling the heat-consumption reduction and heat-washing of the thickened oil water-doped well in the oil field, which are simple in structure and convenient to use, and can automatically realize time-interval heat-washing to reduce the heat-washing cost.
Drawings
FIG. 1 is a system architecture diagram of an embodiment of the present invention;
FIG. 2 is an external wiring schematic of a central control system according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a main circuit of a heating device according to an embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved more apparent, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
The embodiment of the invention relates to a device and a method for controlling the heat-washing of the oil field thick oil water-doped well, which have the structure shown in fig. 1, 2 and 3, and adopt more reasonable circuit designs, and the principle is as follows:
1) Collecting flow data in a pipeline by using an electromagnetic flowmeter;
2) Controlling the flow in the pipeline to a set requirement by using a flow measurement and control device;
3) The temperature of the water mixed in the quick heating pipeline of the energy-saving inner cover combined electromagnetic heating/infrared device is reached to the set requirement by utilizing a temperature acquisition system;
4) The control system consisting of the industrial personal computer/touch screen and the central control system is utilized, and the flow parameter setting, the temperature limit setting and the heating device starting time setting are carried out through a human-computer interface and are automatically executed;
5) Primarily filtering impurities in the doped water by utilizing a water source filtering device;
6) The anti-scaling device is used for avoiding scaling caused by the excessive water mixing temperature;
7) And the central control system is utilized to realize manual and automatic control of human-computer interface parameters and device starting operation.
Based on the above principle, as shown in fig. 1, 2 and 3, the device for controlling the heat-washing for reducing the consumption of the thickened oil water-doped well in the oil field according to the embodiment of the invention specifically comprises: a central controller, a parameter setting mechanism and a hot washing mechanism; the hot washing mechanism comprises a water tank, a first pipeline, a first electromagnetic valve, a second pipeline, a second electromagnetic valve and a heating device; the water tank of the hot washing mechanism is connected with a ground water-mixing viscosity-reducing pipe network of a thickened oil water-mixing well through a first pipeline provided with a first electromagnetic valve, and is provided with a heating device, an anti-scaling device and a water supply pump; the water tank of the hot washing mechanism is also connected with a ground water-mixing viscosity-reducing pipe network of the thickened oil water-mixing well through a second pipeline provided with a second electromagnetic valve so as to carry out ground water-heating washing, and the hot washing mechanism also comprises a circulating water pump which is connected with the ground water-mixing viscosity-reducing pipe network of the thickened oil water-mixing well through a second pipeline provided with the second electromagnetic valve so as to pump water from underground for self-circulation hot washing; the first electromagnetic valve, the second electromagnetic valve, the water supply pump and the circulating water pump are all connected with the central controller. Wherein the heating device of the hot washing mechanism is provided with a temperature sensor and a heater; the temperature sensor and the heater are connected with the central controller to perform controlled heating according to the reading of the temperature sensor in a preset time period. And a sensor connected with the central controller is arranged in the first pipeline and/or the second pipeline to detect whether water flow exists.
As shown in fig. 1, the parameter setting mechanism is a human-computer interaction interface.
As shown in fig. 1, the thermal washing mechanism further comprises an anti-scaling device connected to the first and/or second pipeline. The heat insulation mechanism is arranged on the first pipeline and/or the second pipeline so as to reduce the loss caused by heat radiation.
Wherein, the ground water mixing flow of the thickened oil water mixing well is connected through the electromagnetic valve 1 and the pipeline accessory. And the hot washing water mixing flow under the thick oil water mixing well pump is connected through the electromagnetic valve 1 and the pipeline accessory. And opening a water-doped water source control valve, and enabling the water-doped water source to enter the water pipeline inside the device box body through the water source filtering device. And selecting an automatic mode on the man-machine interface, and starting a program.
When the electricity charge peak price is as follows:
when the first electromagnetic valve is opened and a water flow signal is detected in the first pipeline, a ground water mixing temperature control heating program is automatically executed, and a water mixing source enters a thick oil water mixing well ground water mixing viscosity reduction pipe network through the first pipeline and the first electromagnetic valve after passing through the heating device and the scaling prevention device. After detecting that the first pipeline has a signal of water flowing, the heating device can be started automatically to work only when the water outlet temperature of the heating device is lower than a set value. When the water outlet temperature of the heating device is higher than a set value or the water flow signal in the first pipeline disappears, the heating device is automatically stopped.
When electricity charge is off-peak:
the second electromagnetic valve is opened, and the first electromagnetic valve is closed; when the water flowing signal in the second pipeline is detected, a hot washing water mixing temperature control heating program under the thick oil well pump is automatically executed, and a water mixing source passes through the water source filtering device, and the pipeline in the box body, the heating device, the scaling prevention device and the second electromagnetic valve enter the ground water mixing viscosity reduction pipe network of the thick oil water mixing well so as to realize the reuse of underground water.
When the disappearance of the water mixing flowing signal in the pipe network is detected, the heating device is automatically stopped to work, and an acousto-optic indication signal is sent out. The heating device is additionally provided with an anti-scaling device for preventing the heating efficiency of the heating device from being reduced by the structure of the heating device. The water outlet pipeline of the device adopts a heat preservation measure to the wellhead part, so that the heat loss in the high-temperature hot washing water mixing transmission process is reduced.
As shown in fig. 2, a circuit connection diagram of the central controller PLC includes: a start button SB1, a stop button SB2, a ground water-doped electromagnetic valve J1, an under-pump hot-washing electromagnetic valve J2, a heating main contactor KM and a thermal relay FR. As shown in fig. 3, which is a schematic diagram of a main circuit of a heating device, the heating device comprises: three-phase power sources L1, L2 and L3, a breaker QF, a heating main contactor KM, a thermal relay FR and a heating element EE.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the present invention.
Claims (7)
1. The utility model provides a thick oil of oil field mixes water well and falls heat washing controlling means that consume which characterized in that includes: a central controller, a parameter setting mechanism and a hot washing mechanism; the hot washing mechanism comprises a water tank, a first pipeline, a first electromagnetic valve, a second pipeline, a second electromagnetic valve and a heating device; the water tank of the hot washing mechanism is connected with a ground water-mixing viscosity-reducing pipe network of a thickened oil water-mixing well through a first pipeline provided with a first electromagnetic valve, and is provided with a heating device, an anti-scaling device and a water supply pump; the water tank of the hot washing mechanism is also connected with a ground water-mixing viscosity-reducing pipe network of the thickened oil water-mixing well through a second pipeline provided with a second electromagnetic valve so as to carry out ground water-heating washing, and the hot washing mechanism also comprises a circulating water pump which is connected with the ground water-mixing viscosity-reducing pipe network of the thickened oil water-mixing well through a second pipeline provided with the second electromagnetic valve so as to pump water from underground for self-circulation hot washing; the first electromagnetic valve, the second electromagnetic valve, the water supply pump and the circulating water pump are all connected with the central controller;
the central controller is provided with a clock device for setting peak-to-valley electricity prices, so that the first electromagnetic valve is controlled to be opened and the second electromagnetic valve is controlled to be closed when electricity prices are peak so as to heat by using the ground water of the heating device of the hot washing mechanism for hot washing, and the first electromagnetic valve is controlled to be closed and the second electromagnetic valve is controlled to be opened when electricity prices are valley so as to pump underground water by using the circulating water pump of the hot washing mechanism for self-circulation hot washing;
wherein, when the electricity charge peak price is: when a water flow signal is detected in the first pipeline, automatically executing a ground water mixing temperature control heating program, and enabling a water mixing source to enter a ground water mixing viscosity reduction pipe network of a thickened oil water mixing well through the first pipeline and the first electromagnetic valve after passing through the heating device and the scaling prevention device; when a signal of water flowing in the first pipeline is detected and the water outlet temperature of the heating device is lower than a set value, the heating device can be automatically started to work; when the water outlet temperature of the heating device is higher than a set value or the water flow signal in the first pipeline disappears, the heating device is automatically stopped;
when electricity charge is off-peak: the second electromagnetic valve is opened, and the first electromagnetic valve is closed; when a water flow signal in the second pipeline is detected, a hot washing water mixing temperature control heating program under the thick oil well pump is automatically executed, a water mixing source passes through a water source filtering device, and a pipeline in a box body of the device, the heating device, the scaling prevention device and the second electromagnetic valve enter a water mixing viscosity reduction pipe network on the ground of the thick oil water mixing well so as to realize the reutilization of underground water; when the disappearance of the water mixing flowing signal in the pipe network is detected, the heating device is automatically stopped to work, and an acousto-optic indication signal is sent out;
wherein the heating device is additionally provided with an anti-scaling device for preventing the heating device structure from reducing the heating efficiency; the part from the water outlet pipeline of the device to the wellhead is provided with heat loss insulation measures for reducing the heat loss in the high-temperature hot washing water mixing transmission process.
2. The device for controlling the heat washing of the oil field thickened oil water-doped well to reduce the consumption of the oil field thickened oil-doped well according to claim 1, wherein a heating device of the heat washing mechanism is provided with a temperature sensor and a heater; the temperature sensor and the heater are connected with the central controller to perform controlled heating according to the reading of the temperature sensor in a preset time period.
3. The device for controlling the heat-washing of the thickened oil-doped well in the oil field to reduce the consumption of the thickened oil-doped well according to claim 1, wherein a sensor connected with the central controller is arranged in the first pipeline and/or the second pipeline so as to detect whether water flows exist.
4. The oilfield thick oil water-doped well heat-wash control device of claim 1, further comprising an anti-scaling device connected to the first pipeline and/or the second pipeline.
5. The device for controlling the heat-consumption reduction and heat-washing of the thickened oil-doped well in the oil field according to claim 1, wherein the first pipeline and/or the second pipeline are/is provided with a heat-preserving mechanism for reducing the loss caused by heat radiation.
6. The device for controlling the heat-washing of the oil field thickened oil doped water well to reduce the consumption of the oil field thickened oil doped water well according to claim 1, the method is characterized in that the parameter setting mechanism is a human-computer interaction interface.
7. A method for controlling heat wash down in an oilfield heavy oil blend well utilizing the apparatus of any one of claims 1-6, comprising:
when the electricity charge peak price is as follows: when a water flow signal is detected in the first pipeline, automatically executing a ground water mixing temperature control heating program, and enabling a water mixing source to enter a ground water mixing viscosity reduction pipe network of a thickened oil water mixing well through the first pipeline and the first electromagnetic valve after passing through the heating device and the scaling prevention device; when a signal of water flowing in the first pipeline is detected and the water outlet temperature of the heating device is lower than a set value, the heating device can be automatically started to work; when the water outlet temperature of the heating device is higher than a set value or the water flow signal in the first pipeline disappears, the heating device is automatically stopped;
when electricity charge is off-peak: the second electromagnetic valve is opened, and the first electromagnetic valve is closed; when a water flow signal in the second pipeline is detected, a hot washing water mixing temperature control heating program under the thick oil well pump is automatically executed, a water mixing source passes through a water source filtering device, and a pipeline in a box body of the device, the heating device, the scaling prevention device and the second electromagnetic valve enter a water mixing viscosity reduction pipe network on the ground of the thick oil water mixing well so as to realize the reutilization of underground water; when the disappearance of the water mixing flowing signal in the pipe network is detected, the heating device is automatically stopped to work, and an acousto-optic indication signal is sent out;
wherein the heating device is additionally provided with an anti-scaling device for preventing the heating device structure from reducing the heating efficiency; the part from the water outlet pipeline of the device to the wellhead is provided with heat loss insulation measures for reducing the heat loss in the high-temperature hot washing water mixing transmission process.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711315928.9A CN107905747B (en) | 2017-12-12 | 2017-12-12 | Device and method for controlling heat-consumption-reducing and heat-washing of thickened oil well in oil field |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711315928.9A CN107905747B (en) | 2017-12-12 | 2017-12-12 | Device and method for controlling heat-consumption-reducing and heat-washing of thickened oil well in oil field |
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| CN107905747B true CN107905747B (en) | 2023-10-24 |
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| CN107905747A (en) | 2018-04-13 |
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