CN201301691Y - Thermal washing and paraffin removal equipment - Google Patents
Thermal washing and paraffin removal equipment Download PDFInfo
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- CN201301691Y CN201301691Y CNU2008201103734U CN200820110373U CN201301691Y CN 201301691 Y CN201301691 Y CN 201301691Y CN U2008201103734 U CNU2008201103734 U CN U2008201103734U CN 200820110373 U CN200820110373 U CN 200820110373U CN 201301691 Y CN201301691 Y CN 201301691Y
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- 239000012188 paraffin wax Substances 0.000 title claims abstract description 25
- 238000005406 washing Methods 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 206
- 239000003129 oil well Substances 0.000 claims abstract description 47
- 238000010438 heat treatment Methods 0.000 claims abstract description 29
- 239000007788 liquid Substances 0.000 claims description 106
- 239000001993 wax Substances 0.000 claims description 19
- 230000002528 anti-freeze Effects 0.000 claims description 16
- 238000004140 cleaning Methods 0.000 claims description 12
- 238000003860 storage Methods 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 239000012530 fluid Substances 0.000 abstract description 14
- 230000007812 deficiency Effects 0.000 abstract 1
- 239000003814 drug Substances 0.000 abstract 1
- 238000010025 steaming Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 22
- 238000004891 communication Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 6
- 238000003466 welding Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009192 sprinting Effects 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses thermal washing and paraffin removal equipment comprising an electric power system, a heating system, a control system and an oil well connection system; the equipment is also additionally provided with a component used for thermal washing which particularly comprises a water tank, a water pump, a third valve and a fourth valve; wherein a water inlet of the water pump is communicated with a water outlet of the water tank, and a water outlet of the water pump is communicated with a fluid inlet pipeline of the oil well connection system; the third valve is connected in series with the pipeline between the water inlet of the water pump and the water outlet of the water tank; the fourth valve is connected in series with the pipeline between the water outlet of the water pump and the fluid inlet pipeline; by the control operation of each valve, the water in the water tank enters the heating and circulating system to overcome the output fluid deficiency of the oil well; in addition, the equipment integrates the functions of the traditional medicament adding truck, water tank truck, boiler truck, hot oiling paraffin removal truck, steaming paraffin removal truck and other equipment, thereby achieving the function of multipurpose.
Description
Technical Field
The utility model relates to an oil well paraffin removal technical field, concretely relates to wax removal equipment is washed to heat.
Background
In oil exploitation, one of the main reasons for influencing the oil yield is that wax with a certain thickness is condensed on the inner wall of an oil pipeline and a sucker rod. Along with the wax deposition on the wall of the oil well and the sucker rod becomes thicker and thicker, organic matters are attached to meshes, so that the flow of crude oil is hindered, and the oil yield of the oil well is further influenced.
In the prior art, the hot washing wax removal equipment adopting oil well produced fluid as a heating medium is widely applied to the wax removal construction of the oil well. The device has no sewage discharge after paraffin removal construction operation, and the problem of stratum and oil layer pollution is avoided due to good compatibility of oil well output liquid and the stratum, so that the ecological environment can be effectively protected. However, the existing hot-washing wax removal equipment only can adopt oil well output liquid as a heating medium, and cannot establish heating circulation of normal operation for an oil well with small oil well output liquid quantity.
In addition, the existing hot-washing paraffin removal equipment can only be used for underground paraffin removal operation, and has the problem of single function; in general, an oil well to be maintained after being shut down needs to be cleaned of wax not only in the underground, but also in the above-well equipment such as a well station and an oil pipeline. However, in the conventional thermal cleaning wax removal facility, if it is necessary to clean the equipment above the well, it is necessary to separately use equipment such as a water tank truck and a boiler car.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned defect, the utility model aims at providing a paraffin removal equipment is washed to heat to solve prior art and can't be applied to the problem of the less oil well paraffin removal operation of oil well output liquid measure.
The utility model provides a wax removal equipment is washed to heat, include: the system comprises a power system, a heating system, a control system and an oil well connecting system; the heating system comprises a heat exchanger, the heat exchanger mainly comprises an inner pipe with an oil inlet and an oil outlet, a plurality of outer pipes, a plurality of branch pipes and superconducting liquid, and the inner pipe is composed of a plurality of straight line sections and a circuitous section; the outer pipes are respectively sleeved outside the straight-line section inner pipe, and two ends of each outer pipe are respectively connected with the outer wall of the inner pipe in a sealing manner; the plurality of branch pipes are respectively arranged among the plurality of outer pipes and are respectively communicated with the inner cavities of the outer pipes; the superconducting liquid is arranged in a cavity between the outer pipe and the inner pipe; the oil well connecting system comprises a liquid inlet pipeline and a liquid outlet pipeline, wherein the liquid inlet pipeline is used for communicating an oil inlet of the inner pipe with an oil well production valve, and a first valve is connected in series at the inlet end of the liquid inlet pipeline; the liquid outlet pipeline is used for communicating the oil outlet of the inner pipe with an oil well casing valve, and the outlet end of the liquid outlet pipeline is connected with a second valve in series; the water tank is provided with a water filling port and a water outlet; the water inlet of the water pump is communicated with the water outlet of the water tank, and the water outlet of the water pump is communicated with a liquid inlet pipeline of the oil well connecting system; the third valve is connected in series on a pipeline between the water inlet of the water pump and the water outlet of the water tank; and the fourth valve is connected in series on the pipeline between the water outlet of the water pump and the liquid inlet pipeline.
Preferably, the system further comprises a water tank return pipeline and a fifth valve; the water tank return pipeline is used for communicating the liquid inlet pipeline with an inner cavity of the water tank; and the fifth valve is connected in series with the water return pipeline of the water tank.
Preferably, the device also comprises a sixth valve, wherein the liquid inlet of the sixth valve is communicated with a pipeline between the water outlet of the water pump and the fourth valve, and the liquid outlet of the sixth valve is connected with the high-pressure sprinting and washing spray gun.
Preferably, the water pump further comprises a seventh valve, wherein the liquid inlet of the seventh valve is communicated with a pipeline between the water inlet of the water pump and the third valve, and the liquid outlet of the seventh valve is connected with an external water source.
Preferably, the system further comprises an antifreeze box and an eighth valve; an antifreeze outlet of the antifreeze box is communicated with a water inlet of the water pump; and the eighth valve is connected in series with a pipeline between the antifreeze solution outlet and the water inlet of the water pump.
Preferably, the safety valve is arranged on a pipeline between the fourth valve and the liquid inlet pipeline.
Preferably, the heat exchanger further includes a superconducting liquid containing member having a storage inner cavity, the superconducting liquid containing member being disposed above the heat exchanger and the storage inner cavity thereof being communicated with the uppermost outer tube through a conduit.
Preferably, the superconducting liquid containing member is long tubular and is disposed along a length direction of the outer tube; and a plurality of guide pipes for communicating the outer pipe with the superconducting liquid accommodating member are sequentially arranged along the length direction of the outer pipe.
Preferably, the cross-sectional area of the two side ports of the outer pipe is smaller than that of the middle outer pipe.
Preferably, the device further comprises an oil-gas separator and a flow meter: the oil-gas separator is connected in series with the oil inlet pipeline; the flow meter is connected in series on a passage between a liquid outlet of the oil-gas separator and an oil inlet pipeline; and the gas outlet of the oil-gas separator is communicated with the liquid outlet of the flowmeter.
The utility model provides a paraffin removal equipment is washed to heat compares with prior art, and paraffin removal equipment can only adopt the oil well output liquid as heating medium to current heat, and the utility model discloses add and be used for hot water cleaning assembly, specifically include water tank, water pump, third valve and fourth valve, when the output liquid measure of oil well is less, open the third valve: the water outlet of the water tank is communicated with the water inlet of the water pump; opening a fourth valve: the water outlet of the water pump is communicated with the passage between the liquid inlet pipelines; under the action of the water pump, water in the water tank can enter the paraffin removal heating circulation system to supplement heating medium, so that the problem that normal working heating circulation cannot be established due to insufficient oil well produced liquid is solved.
The utility model discloses an among the preferred scheme, add the sixth valve, its inlet with pipeline intercommunication between water pump delivery port and the fourth valve, its liquid outlet is used for washing the spray gun with high-pressure thorn and is connected, and the hot water that conveniently will heat in the circulation is arranged in the oil well operation.
In another preferred scheme of the utility model, a water return circulation is established between the heat exchanger and the water tank by using two basic parts, namely a water tank return pipeline and a fifth valve; when the water storage temperature in the water tank needs to be increased, the second valve is closed: the passage between the liquid outlet pipeline of the heat exchanger and the oil well casing valve is disconnected; opening a fifth valve: the liquid outlet pipeline of the heat exchanger is communicated with the inner cavity of the water tank; under the action of the water pump, water in the water tank flows back to the water tank after entering the heat exchanger for heating, and the circulation can heat the water in the water tank to an expected temperature, so that the water can be used for cleaning equipment on a well, such as a well station, an oil pipeline and the like, and can also be used for various construction operations, such as dosing, steam, washing and line sweeping. The utility model discloses can replace traditional dosing car, tank wagon, boiler car, hot oil paraffin removal car, vapour paraffin removal equipment etc. completely, realize a tractor serves several purposes.
In addition, when the stored water in the water tank can not meet the operation requirement, the seventh valve is opened to establish the communication relation between the external water source and the heating circulation system.
In addition, install an antifreeze case additional on the water supply line of water pump, through the intercommunication between eighth valve control antifreeze case and the water supply line. After the operation is finished, the antifreezing solution valve is opened, the water pump is started, so that the antifreezing solution flows into the water inlet pipeline, the water pump cylinder body, the inner pipe of the heat exchanger and the water outlet pipeline, and thus after the construction operation in winter, the water in the water pump and the pipeline cannot freeze, and the condition that the equipment cannot be used or damaged is avoided.
Drawings
FIG. 1 is a side view of a hot-washing paraffin removal apparatus provided by the present invention;
FIG. 2 is a front view of the heat exchanger of the present invention;
fig. 3 is a sectional view a-a of fig. 2.
In fig. 1-3:
the water tank comprises a water tank 21, a water tank water filling port 211, a water tank water outlet 212, a water tank water outlet 213, a water pump 22, a water pump water inlet 221, a water pump water outlet 222, a third valve 23, a fourth valve 24, a water tank water return pipeline 25, a fifth valve 26, a sixth valve 27, a seventh valve 28 and a safety valve 29;
an antifreeze tank 31 and an eighth valve 32;
a liquid inlet pipe 41, a liquid outlet pipe 42, a first valve 43, a second valve 44, a first quick coupling 45 and a second quick coupling 46;
the oil-gas separator 51, the oil-gas separator liquid outlet 511, the oil-gas separator air outlet 512 and the flow meter 52.
Detailed Description
The utility model has the design key points that a component for hot water cleaning is added, which specifically comprises a water tank, a water pump, a third valve and a fourth valve; through the control operation of each valve, water in the water tank enters the heating circulation system to make up for the defect of insufficient oil well produced liquid, and multiple purposes can be realized.
In order to make the solution of the present invention better known to the skilled person. The following detailed description is made with reference to the accompanying drawings.
Please refer to fig. 1, which is a side view of the thermal wax cleaning device of the present invention.
Wax removal equipment is washed to heat, mainly include: the system comprises a power system, a heating system, a control system and an oil well connecting system; wherein the heating system comprises a heat exchanger 10; the oil well connecting system comprises a liquid inlet pipeline 41 and a liquid outlet pipeline 42, wherein the liquid inlet pipeline 41 is used for communicating an oil inlet 111 of the inner pipe with an oil well production valve, a first valve 43 and a first quick connector 45 are sequentially connected in series at the inlet end of the liquid inlet pipeline 21, the first valve 43 is used for controlling the communication state between an oil well and equipment, and the first quick connector 45 is used for realizing the convenient and quick connection between the pipeline and the oil well production valve; the liquid outlet pipeline 42 is used for communicating the oil outlet 112 of the inner pipe with an oil well casing valve, the outlet end of the liquid outlet pipeline is sequentially connected with a second valve 44 and a second quick connector 46 in series, the second valve 44 is used for controlling the communication state between the oil well annulus and equipment, and the second quick connector 46 is used for realizing the convenient and quick connection between the pipeline and the oil well casing valve; the water tank 21 is provided with a water filling port 211, a water outlet 212 and a water outlet 213; the water inlet 221 of the water pump is communicated with the water outlet 212 of the water tank, and the water outlet 222 of the water pump is communicated with the liquid inlet pipeline 41 of the oil well connecting system; the third valve 23 is connected in series on a pipeline between the water inlet 221 of the water pump and the water outlet 212 of the water tank; the fourth valve 24 is connected in series on the pipeline between the water outlet 222 and the liquid inlet pipeline 41 of the water pump; the water in the water tank can be drained through the water tank outlet 213 according to actual needs, for example, through a valve and a joint as shown in the figure.
It should be noted that the power system and the control system in the present embodiment are not the point of the invention of the present application, and those skilled in the art can implement the invention based on the prior art, and therefore, detailed description is omitted here.
The water tank return pipeline 25 is used for communicating the liquid inlet pipeline 41 with an inner cavity of the water tank 21; the fifth valve 26 is connected in series to the tank return line 25. When the temperature of the water stored in the tank 21 needs to be raised, the second valve 44 is closed: the passage between the liquid outlet pipeline of the heat exchanger 10 and the oil well casing valve is disconnected; opening the fifth valve 25: the liquid outlet pipeline of the heat exchanger 10 is communicated with the inner cavity of the water tank 21; under the action of the water pump 22, the water in the water tank 21 enters the heat exchanger 10 to be heated and then flows back to the water tank 21, and the water in the water tank 21 can be heated to a desired temperature for use by circulating the process. As shown, the tank return line 25 communicates with the upper tank chamber remote from the tank outlet 212 to establish good water circulation for improved heating efficiency.
Wherein, the liquid inlet of the sixth valve 27 is communicated with the pipeline between the water outlet 222 of the water pump and the fourth valve 24, and the liquid outlet of the sixth valve 27 is used for connecting with the high-pressure sprinting spray gun; to facilitate the use of the hot water from the heating cycle in various well operations.
Wherein, the liquid inlet of the seventh valve 28 is communicated with the pipeline between the water inlet 221 of the water pump and the third valve 23, and the liquid outlet of the seventh valve 28 is used for being connected with an external water source. When the water stored in the water tank can not meet the operation requirement, the seventh valve 28 is opened to establish the communication relationship between the external water source and the heating circulation system.
Wherein, the antifreeze tank 31 and the eighth valve 32; an antifreeze outlet of the antifreeze tank 31 is communicated with the water inlet 221 of the water pump; the eighth valve 32 is connected in series to a pipeline between the antifreeze outlet and the water inlet 221 of the water pump, and the communication between the antifreeze tank 31 and the water supply line is controlled by the eighth valve 32. After the operation is completed, the eighth valve 32 is opened, the water pump 22 is started to enable the antifreeze to flow into the water inlet pipeline, the water pump cylinder body, the inner pipe of the heat exchanger and the water outlet pipeline, so that after the construction operation in winter, the water in the water pump and the pipeline cannot freeze, and the condition that the equipment cannot be used or damaged is avoided.
Wherein a safety valve 29 is arranged on the line between the fourth valve 24 and said inlet line 41.
Please refer to fig. 2, which is a schematic diagram of the overall structure of the heat exchanger according to the present invention.
As shown in the drawing, heat exchanger 10 includes an inner pipe 11 having an oil inlet 111 and an oil outlet 112, a plurality of outer pipes 12, a plurality of branch pipes 13, a superconducting fluid accommodating section 14, and a superconducting fluid.
As shown in fig. 3, the inner tube 11 is composed of a plurality of straight segments and a plurality of roundabout segments, and the inner tube 11 is preferably made of 316L stainless steel.
The plurality of outer tubes 12 are respectively sleeved outside the straight-line section inner tube 11, and two ends of the outer tubes 12 are respectively connected with the outer wall of the inner tube 11 in a sealing manner, for example: and (7) welding and connecting. Specifically, the cross-sectional area of the two side ports of the outer tube 12 is smaller than that of the middle outer tube, that is, the size of the joint between the two ends of the outer tube 12 and the outer wall of the inner tube 11 is relatively small, and as shown in the figure, the two side ends of the outer tube 12 are in the shape of a truncated cone. For the sealing connection realized by the welding process, the length of the welding seam is reduced, so that the probability of the open welding phenomenon caused by the heating of the welding seam is reduced. It should be noted that the shape of the two side ends of the outer tube is not limited to the truncated cone shape shown in the figures, and it is within the protection scope of the present patent as long as the size of the two side ends is gradually reduced to meet the use requirement. In addition, the outer tube 12 is preferably boiler steel.
The plurality of branch pipes 13 are respectively arranged among the plurality of outer pipes 12 and are respectively communicated with the inner cavities of the outer pipes 12; the function of the branch pipes 13 in the heat exchanger is two, firstly to ensure the communication between the outer pipes 12 and firstly to realize the supporting connection of the outer pipes 12.
The superconducting liquid is preferably heat conducting oil, and is injected into the cavity between the outer tube 12 and the inner tube 11 through a superconducting liquid injection port 121 until all inner cavities of the outer tube 12 are filled with the superconducting liquid.
The superconducting liquid accommodating member 14 has a storage cavity 141, and the superconducting liquid accommodating member 14 is disposed above the heat exchanger 10 and the storage cavity 141 thereof communicates with the uppermost outer tube 12 through a pipe 15. When the burner is heated and operated, the superconducting liquid is heated and expanded and then enters the superconducting liquid accommodating part 14 above the burner through the guide pipe 15, so that when the burner is flamed out, the volume of the superconducting liquid is reduced, the liquid level of the superconducting liquid is reduced, and the superconducting liquid exists in all cavities between the inner pipe 11 and the outer pipe 12, therefore, after the burner is flamed out, the heat on the periphery of the upper part of the heat exchanger can still be conducted to the oil well output liquid flowing in the inner pipe, and the resource waste can be effectively avoided.
As shown in the drawing, the superconducting liquid containing member 14 is long tubular and is disposed along the longitudinal direction of the outer tube 12. In fact, the superconducting fluid containing member 14 may have any shape as long as the volume of the storage cavity thereof can satisfy the requirement of the superconducting fluid inside the outer tube 12 after the heated volume thereof expands.
A plurality of pipes 15 for connecting the outer tube 12 and the superconducting fluid accommodating member 14 are sequentially provided along the longitudinal direction of the outer tube 12, and the plurality of pipes 15 ensure smooth flow of the superconducting fluid between the outer tube 12 and the superconducting fluid accommodating member 14.
Two superconducting fluid accommodating parts 14 are provided above the outer tubes 12 on the left and right sides, respectively.
Further, a safety valve 16 is provided above the superconducting liquid accommodating member 14, and a liquid inlet of the safety valve 16 communicates with the storage chamber 141 of the superconducting liquid accommodating member 14. When the pressure in the cavity between the inner pipe and the outer pipe exceeds a safety value, the safety valve can be opened to release the pressure, and the safe and reliable operation of the equipment is ensured.
The temperature sensor 17 is arranged on the inner pipe 11 of the second row above to obtain relatively accurate temperature of the oil well production liquid in the inner pipe 11.
As shown in fig. 1, an oil-gas separator 51 is connected in series to the liquid inlet pipe 41 at the liquid inlet of the heat exchanger, a flow meter 52 is connected in series to a passage between the liquid outlet 511 of the oil-gas separator 51 and the liquid inlet pipe 41, and the gas outlet 512 of the oil-gas separator 51 is communicated with the liquid outlet of the flow meter 52. The flowmeter 52 is used for measuring the flow rate of the produced fluid of the oil well entering the inner pipe 11 of the heat exchanger 10, and the monitoring of the flowmeter can prevent the dry burning phenomenon of the equipment, thereby prolonging the service life of the equipment; an oil-gas separator 51 is arranged on the upstream side of the flow meter 52, so that oil, water and gas mixed oil well produced liquid can be subjected to gas-liquid separation, and the separated liquid flows through the flow meter 52 to obtain an accurate flow value of the liquid entering the inner pipe 11.
Through opening, close cooperation control of each valve in the control this scheme, the utility model provides a wax removal device is washed to heat has multiple use, describes respectively to two kinds of typical construction operations below.
Firstly, performing hot washing and paraffin removal operation by taking water as a heating medium. Opening a third valve 23 and a fourth valve 24, wherein a passage between the water outlet of the water tank and the water inlet of the water pump is communicated, and a passage between the water outlet of the water pump and the liquid inlet pipeline is communicated; under the action of the water pump, water in the water tank can enter the paraffin removal heating circulation system to supplement heating medium, so that the problem that normal working heating circulation cannot be established due to insufficient oil well produced liquid is solved.
Secondly, high-pressure stabbing and washing. Firstly, self-circulation preheating is carried out: the third valve 23 is opened, the sixth valve 27 is closed, the fourth valve 24 is opened, the first valve 43 and the second valve 44 are closed, and the fifth valve 26 is opened. The liquid in the water tank 21 passes through the water pump 21, then passes through the oil-gas separator 51 and the flowmeter 52, enters the heat exchanger inner tube 11 for heating, returns to the water tank through the water tank return pipe 25 and the fifth valve 26, and is repeatedly and circularly heated, and when the temperature of the water tank reaches about 85 ℃, the burner circuit is cut off through the temperature sensor of the water tank, and the heating is stopped. Then, carrying out the operations of stabbing washing and unblocking, connecting the high-pressure stabbing washing gun with the sixth valve 27, closing the fourth valve 24, and opening the third valve 23 and the sixth valve 27; under the action of the water pump, the pressure water is ejected out through the high-pressure stabbing washing gun to complete the high-pressure stabbing washing and blockage removing operation.
In conclusion, the hot washing and paraffin removal equipment of the utility model can make up the defect of insufficient produced liquid of the oil well by controlling and operating the valves and feeding the water in the water tank into the heating and circulating system, and can realize multiple purposes; it can become the system application by oneself, also can regard as the core equipment of vehicular hot washing paraffin removal device to use as long as use the utility model the hot washing paraffin removal equipment is all in the protection scope of this patent.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The hot-washing paraffin removal equipment comprises: the system comprises a power system, a heating system, a control system and an oil well connecting system; wherein,
the heating system includes a heat exchanger comprising:
the inner pipe is provided with an oil inlet and an oil outlet and consists of a plurality of straight line sections and roundabout sections;
the outer pipes are sleeved outside the straight-line section inner pipe respectively, and two ends of each outer pipe are fixedly connected with the outer wall of the inner pipe in a sealing mode; and
the plurality of branch pipes are respectively arranged among the plurality of outer pipes and are respectively communicated with the inner cavities of the outer pipes; and
the superconducting liquid is arranged in a cavity between the outer pipe and the inner pipe;
the oil well connecting system comprises a liquid inlet pipeline and a liquid outlet pipeline, wherein the liquid inlet pipeline is used for communicating an oil inlet of the inner pipe with an oil well production valve, and a first valve is connected in series at the inlet end of the liquid inlet pipeline; the liquid outlet pipeline is used for communicating the oil outlet of the inner pipe with an oil well casing valve, and the outlet end of the liquid outlet pipeline is connected with a second valve in series; it is characterized by also comprising:
the water tank is provided with a water filling port and a water outlet;
the water inlet of the water pump is communicated with the water outlet of the water tank, and the water outlet of the water pump is communicated with a liquid inlet pipeline of the oil well connecting system;
the third valve is connected in series on a pipeline between the water inlet of the water pump and the water outlet of the water tank; and
and the fourth valve is connected in series on the pipeline between the water outlet of the water pump and the liquid inlet pipeline.
2. The thermal wax cleaning apparatus of claim 1, further comprising:
the water tank return pipeline is used for communicating the liquid inlet pipeline with the inner cavity of the water tank; and
and the fifth valve is connected in series with the water return pipeline of the water tank.
3. The thermal wax cleaning apparatus of claim 2, further comprising:
and a liquid inlet of the sixth valve is communicated with a pipeline between the water outlet of the water pump and the fourth valve, and a liquid outlet of the sixth valve is connected with the high-pressure washing spray gun.
4. The thermal wax cleaning apparatus of claim 3, further comprising:
and a liquid inlet of the seventh valve is communicated with a pipeline between the water inlet of the water pump and the third valve, and a liquid outlet of the seventh valve is connected with an external water source.
5. The thermal wax cleaning apparatus of claim 1, further comprising:
the antifreeze liquid outlet of the antifreeze liquid box is communicated with the water inlet of the water pump; and
and the eighth valve is connected in series with the pipeline between the antifreeze liquid outlet and the water inlet of the water pump.
6. The thermal wax cleaning apparatus of claim 1, further comprising:
and the safety valve is arranged on a pipeline between the fourth valve and the liquid inlet pipeline.
7. The thermal wax cleaning apparatus of claim 1, wherein the heat exchanger further comprises:
and a superconducting liquid accommodating member having a storage inner cavity, the superconducting liquid accommodating member being disposed above the heat exchanger and the storage inner cavity thereof being communicated with the uppermost outer tube through a conduit.
8. The thermal washing paraffin removal apparatus of claim 7, wherein the superconducting liquid containing member is long tubular and is provided along a length direction of the outer tube; and a plurality of guide pipes for communicating the outer pipe with the superconducting liquid accommodating member are sequentially arranged along the length direction of the outer pipe.
9. The thermal washing paraffin removal apparatus of claim 1, wherein the cross-sectional area of the ports on both sides of the outer tube is smaller than the cross-sectional area of the middle outer tube.
10. The thermal wax cleaning apparatus of claim 1, further comprising:
the oil-gas separator is connected in series with the oil inlet pipeline; and
the flow meter is connected in series on a passage between a liquid outlet of the oil-gas separator and an oil inlet pipeline;
and the gas outlet of the oil-gas separator is communicated with the liquid outlet of the flowmeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201103734U CN201301691Y (en) | 2008-09-12 | 2008-09-12 | Thermal washing and paraffin removal equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201103734U CN201301691Y (en) | 2008-09-12 | 2008-09-12 | Thermal washing and paraffin removal equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201301691Y true CN201301691Y (en) | 2009-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201103734U Expired - Fee Related CN201301691Y (en) | 2008-09-12 | 2008-09-12 | Thermal washing and paraffin removal equipment |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102022097A (en) * | 2009-09-21 | 2011-04-20 | 北京名辉宝狮油田设备有限公司 | Oil field multifunction paraffin removal unit |
| CN102430535A (en) * | 2011-11-04 | 2012-05-02 | 西安航空动力股份有限公司 | Surface treatment protective wax removing cabinet |
| CN104153743A (en) * | 2014-06-05 | 2014-11-19 | 敫铁拴 | Oil well cleaning device with sump oil and sewage recycling function |
| CN108296203A (en) * | 2018-01-24 | 2018-07-20 | 西安航达电气设备有限公司 | A kind of big flow oil gas alternating flusher |
| CN111441745A (en) * | 2020-05-08 | 2020-07-24 | 中国石油天然气股份有限公司 | Oil field paraffin removal hot washing equipment and use method |
| CN111795304A (en) * | 2020-06-18 | 2020-10-20 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Cabin washing system for ship |
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2008
- 2008-09-12 CN CNU2008201103734U patent/CN201301691Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102022097A (en) * | 2009-09-21 | 2011-04-20 | 北京名辉宝狮油田设备有限公司 | Oil field multifunction paraffin removal unit |
| CN102430535A (en) * | 2011-11-04 | 2012-05-02 | 西安航空动力股份有限公司 | Surface treatment protective wax removing cabinet |
| CN102430535B (en) * | 2011-11-04 | 2013-08-14 | 西安航空动力股份有限公司 | Surface treatment protective wax removing cabinet |
| CN104153743A (en) * | 2014-06-05 | 2014-11-19 | 敫铁拴 | Oil well cleaning device with sump oil and sewage recycling function |
| CN104153743B (en) * | 2014-06-05 | 2017-01-11 | 玉人超导石油设备有限公司 | Oil well cleaning device with sump oil and sewage recycling function |
| CN108296203A (en) * | 2018-01-24 | 2018-07-20 | 西安航达电气设备有限公司 | A kind of big flow oil gas alternating flusher |
| CN111441745A (en) * | 2020-05-08 | 2020-07-24 | 中国石油天然气股份有限公司 | Oil field paraffin removal hot washing equipment and use method |
| CN111441745B (en) * | 2020-05-08 | 2022-03-01 | 中国石油天然气股份有限公司 | Oil field paraffin removal hot washing equipment and use method |
| CN111795304A (en) * | 2020-06-18 | 2020-10-20 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Cabin washing system for ship |
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