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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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 the paraffin removal from oil well technical field, is specifically related to hot-washing wax remover equipment.
Background technology
In the oil exploitation, the one of the main reasons that influences oil yield is to condense certain thickness wax is arranged on petroleum pipeline inwall and sucker rod.Follow the long-pending wax on oil well tube wall and the sucker rod more and more thicker, adhere to organic matter on the mesh, therefore, hindered flowing of crude oil, and then influenced the oil yield of oil well.
In the prior art, adopt produced liquid in oil well in the paraffin removal from oil well construction, to obtain using widely as the hot-washing wax remover equipment of heat medium.This equipment no sewage behind the wax removal construction operation is discharged, because produced liquid in oil well and stratum compatibility are good, has stopped to pollute the problem appearance of stratum and oil reservoir, can effectively preserve the ecological environment.But existing hot-washing wax remover equipment can only adopt produced liquid in oil well as heat medium, for the less oil well of produced liquid in oil well amount, can't set up the heat cycles of operate as normal.
In addition, existing hot-washing wax remover equipment can only be used for down-hole wax removal operation, also exists the comparatively single problem of function; Generally, the oil well to be safeguarded that stops production not only needs to carry out the down-hole wax removal, also needs to carry out the cleaning of uphole equipment such as well station and petroleum pipeline.But,,, just need adopt equipment such as water-tank lorry, boiler car separately if need carry out the cleaning of uphole equipment based on existing hot-washing wax remover equipment.
The utility model content
At above-mentioned defective, the purpose of this utility model provides a kind of hot-washing wax remover equipment, to solve the problem that prior art can't be applied to the less paraffin removal from oil well operation of produced liquid in oil well amount.
The hot-washing wax remover equipment that the utility model provides comprises: power system, heating system, control system and oil well connected system; Wherein, described heating system comprises heat interchanger, and this heat interchanger mainly comprises the interior pipe with oil-in and oil-out, some outer tubes, some arms and superconducting fluid, and described interior pipe is made of some straightways and circuitous section; Described some outer tubes are set in respectively outside the interior pipe of described straightway, and the two ends of described outer tube are connected by sealing with outer wall of inner tube respectively; Described some arms place between described some outer tubes respectively and are communicated with outer tube bore respectively; Described superconducting fluid places in the cavity between described outer tube and the interior pipe; Described oil well connected system comprises feed liquor pipeline and fluid pipeline, and wherein, the feed liquor pipeline is used to be communicated with the oil-in and the oil well production valve of described interior pipe, and is serially connected with first valve at the entrance point of described feed liquor pipeline; The fluid pipeline is used to be communicated with the oil-out and the oil well casing valve of described interior pipe, and is serially connected with second valve at the port of export of described fluid pipeline; Also comprise water tank, water pump, the 3rd valve and the 4th valve, wherein, described water tank has water filling port and delivery port; Described pump intake is communicated with described water outlet of water tank, the feed liquor pipeline connection of its delivery port and described oil well connected system; Described the 3rd valve is serially connected on the pipeline between described pump intake and the water outlet of water tank; Described the 4th valve is serially connected on the pipeline between described pump outlet and the feed liquor pipeline.
Preferably, also comprise water tank water return pipeline and the 5th valve; Described water tank water return pipeline is used to be communicated with the inner chamber of described feed liquor pipeline and water tank; Described the 5th valve is serially connected on the described water tank water return pipeline.
Preferably, also comprise the 6th valve, the pipeline connection between its inlet and described pump outlet and the 4th valve, its liquid outlet are used for washing spray gun with the high pressure thorn and are connected.
Preferably, also comprise the 7th valve, the pipeline connection between its inlet and described pump intake and the 3rd valve, its liquid outlet are used for being connected with external water source.
Preferably, also comprise anti-icing fluid case and the 8th valve; The anti-icing fluid outlet of described anti-icing fluid case is communicated with the water inlet of described water pump; Described the 8th valve is serially connected on the pipeline between outlet of described anti-icing fluid and the pump intake.
Preferably, also comprise safety valve, it is arranged on the pipeline between the 4th valve and the described feed liquor pipeline.
Preferably, described heat interchanger comprises that also superconducting fluid holds parts, and it has the storage inner chamber, and described superconducting fluid is held top and its storage inner chamber that parts are arranged on heat interchanger and is communicated with the outer tube of the top by conduit.
Preferably, to hold parts be elongated tubular and along the length direction setting of described outer tube to described superconducting fluid; And, be disposed with the conduit that several connection outer tubes and superconducting fluid are held parts along the length direction of described outer tube.
Preferably, the cross sectional area of described outer tube both sides port is all less than the cross sectional area of middle part outer tube.
Preferably, also comprise gs-oil separator and flow meter: described gs-oil separator is serially connected on the described in-line; Described flow meter is serially connected on the liquid outlet and the path between the in-line of described gs-oil separator; Wherein, the gas outlet of described gs-oil separator is communicated with the liquid outlet of described flow meter.
The hot-washing wax remover equipment that the utility model provides compared with prior art, existing hot-washing wax remover equipment can only adopt produced liquid in oil well as heat medium, and the utility model has additional and is used for the hot water cleaning assembly, specifically comprise water tank, water pump, the 3rd valve and the 4th valve, when the output liquid measure of oil well hour, open the 3rd valve: water outlet of water tank is communicated with path between the pump intake; Open the 4th valve: pump outlet is communicated with path between the described feed liquor pipeline; Under the effect of water pump, the water in the water tank can enter the wax removal heating circulation system, has supplied heat medium, and then has avoided the produced liquid in oil well deficiency can't set up the problem of normal work heat cycles.
In the preferred version of the present utility model, have additional the 6th valve, the pipeline connection between its inlet and described pump outlet and the 4th valve, its liquid outlet are used for washing spray gun with the high pressure thorn and are connected, and conveniently the hot water in the heat cycles are used for the oil well operation.
In the another preferred version of the present utility model, utilize water tank water return pipeline and two basic elements of character of the 5th valve, between heat interchanger and water tank, set up backwater circulation; Water storage temperature in needs improve water tank, close second valve: the path between heat interchanger fluid pipeline and the oil well casing valve disconnects; Open the 5th valve: heat interchanger fluid pipeline is communicated with the inner chamber of water tank; Under the effect of water pump, water in the water tank enters in the heat interchanger and is back in the water tank again after the heating, so circulation, water in the water tank can be heated to the temperature of expection, promptly can be used for uphole equipment such as well station and petroleum pipeline are cleaned, also can be used for multiple construction operations such as dosing, steam, thorn are washed, pipeline purging.The utility model can replace traditional medicine adding vehicle, water-tank lorry, boiler car, hot oiling truck, steam paraffin removal unit etc. fully, has realized a tractor serves several purposes.
In addition, when water storage in the water tank can not satisfy the operation needs, open described the 7th valve and can will set up connected relation between external water source and the heating circulation system.
In addition, on the water supply line of water pump, install an anti-icing fluid case additional, by being communicated with between the 8th valve control anti-icing fluid case and the water supply line.After operation is finished, open the anti-icing fluid valve, start water pump and make anti-icing fluid flow into back with water inlet line, water pump cylinder body, pipe and water outlet pipeline in the heat interchanger, after the winter construction operation, the water in water pump and the pipeline can not freeze, and avoids causing equipment not use or to damage like this.
Description of drawings
Fig. 1 is the lateral view of the hot-washing wax remover equipment that provides of the utility model;
Fig. 2 is the front view of heat interchanger described in the utility model;
Fig. 3 is the A-A sectional view of Fig. 2.
Among Fig. 1-Fig. 3:
Gs-oil separator 51, gs-oil separator liquid outlet 511, gs-oil separator gas outlet 512, flow meter 52.
The specific embodiment
Design main points of the present utility model are, have additional to be used for the hot water cleaning assembly, specifically comprise water tank, water pump, the 3rd valve and the 4th valve; By the control operation of each valve, the water in the water tank enters heating circulation system remedying the produced liquid in oil well defect of insufficient, and can realize a tractor serves several purposes.
In order to make those skilled in the art understand scheme of the present utility model better.Specify below in conjunction with Figure of description.
See also Fig. 1, this figure is the lateral view of the hot-washing wax remover equipment that provides of the utility model.
Hot-washing wax remover equipment described in the utility model mainly comprises: power system, heating system, control system and oil well connected system; Wherein, described heating system comprises heat interchanger 10; Described oil well connected system comprises feed liquor pipeline 41 and fluid pipeline 42, wherein, described feed liquor pipeline 41 is used to be communicated with the oil-in 111 and oil well production valve of described interior pipe, and the entrance point at described feed liquor pipeline 21 is serially connected with first valve 43 and first snap joint 45 successively, first valve 43 is used to control the connected state between oil well and the equipment, and first snap joint 45 is used to realize be connected quickly and easily between pipeline and the oil well production valve; Fluid pipeline 42 is used to be communicated with the oil-out 112 and oil well casing valve of described interior pipe, and the port of export at described fluid pipeline is serially connected with second valve 44 and second snap joint 46 successively, second valve 44 is used to control the connected state between oil well annular space and the equipment, and second snap joint 46 is used to realize be connected quickly and easily between pipeline and the oil well casing valve; Also comprise water tank 21, water pump 22, the 3rd valve 23 and the 4th valve 24, wherein, described water tank 21 has water filling port 211, delivery port 212 and outfall 213; Described pump intake 221 is communicated with described water outlet of water tank 212, and pump outlet 222 is communicated with the feed liquor pipeline 41 of described oil well connected system; Described the 3rd valve 23 is serially connected on the pipeline between described pump intake 221 and the water outlet of water tank 212; Described the 4th valve 24 is serially connected on the pipeline between described pump outlet 222 and the feed liquor pipeline 41; By water tank outlet 213 water in the emptying water tank according to actual needs, such as, can realize by valve shown in the figure and joint.
Need to prove that power system in this programme and control system are not the application's inventive point places, those skilled in the art can realize fully based on prior art, so do not repeat them here.
Wherein, described water tank water return pipeline 25 is used to be communicated with the inner chamber of described feed liquor pipeline 41 and water tank 21; Described the 5th valve 26 is serially connected on the described water tank water return pipeline 25.When the temperature of water tank 21 inner storing waters being closed second valve 44: the fluid pipeline of heat interchanger 10 and the path between the oil well casing valve disconnect; Open the 5th valve 25: the fluid pipeline of heat interchanger 10 is communicated with the inner chamber of water tank 21; Under the effect of water pump 22, the water in the water tank 21 enters in the heat interchanger 10 and is back to again in the water tank 21 after the heating, so circulates, and the water in the water tank 21 can be heated to the temperature of expection, in order to use.Shown in the figure, be to improve the efficiency of heating surface, described water tank water return pipeline 25 is communicated with water tank epicoele away from water outlet of water tank 212, to set up good water circulation.
Wherein, the pipeline connection between the inlet of the 6th valve 27 and described pump outlet 222 and the 4th valve 24, the liquid outlet of the 6th valve 27 are used for washing spray gun with high pressure thorn and are connected; Be beneficial to the hot water in the heat cycles is used for various oil well operations.
Wherein, the pipeline connection between the inlet of the 7th valve 28 and described pump intake 221 and the 3rd valve 23, the liquid outlet of the 7th valve 28 are used for being connected with external water source.When water storage in the water tank can not satisfy the operation needs, open described the 7th valve 28 and can will set up connected relation between external water source and the heating circulation system.
Wherein, anti-icing fluid case 31 and the 8th valve 32; The anti-icing fluid outlet of described anti-icing fluid case 31 is communicated with described pump intake 221; Described the 8th valve 32 is serially connected on the pipeline between the outlet of described anti-icing fluid and the pump intake 221, controls being communicated with between anti-icing fluid casees 31 and the water supply line by the 8th valve 32.After operation is finished, open the 8th valve 32, start water pump 22 and make anti-icing fluid flow into back with water inlet line, water pump cylinder body, pipe and water outlet pipeline in the heat interchanger, after the winter construction operation, the water in water pump and the pipeline can not freeze, and avoids causing equipment not use or to damage like this.
Wherein, safety valve 29 is arranged on the pipeline between the 4th valve 24 and the described feed liquor pipeline 41.
See also Fig. 2, this figure is the overall structure schematic diagram of heat interchanger described in the utility model.
Shown in the figure, heat interchanger 10 comprises that interior pipe 11, some outer tubes 12, some arms 13, superconducting fluid with oil-in 111 and oil-out 112 hold parts 14 and superconducting fluid.
As shown in Figure 3, described interior pipe 11 constitutes interior pipe 11 preferred 316L stainless steels by some straightways and circuitous section.
These some outer tubes 12 are set in respectively in the described straightway and manage outside 11, and the two ends of described outer tube 12 are connected by sealing with interior pipe 11 outer walls respectively, such as: be welded to connect.Particularly, the cross sectional area of described outer tube 12 both sides ports that is to say that all less than the cross sectional area of middle part outer tube the two ends of described outer tube 12 are relative less with the size of the joint of interior pipe 11 outer walls, shown in the figure, the both side ends of described outer tube 12 is circular cone shape.For being connected by sealing of realizing by welding procedure, fusion length has diminished, and is heated and the probability of phenomenon occurs snapping thereby reduced weld seam.Need to prove that the shape of the both side ends of described outer tube is not limited to the circular cone shape shown in the figure, use needs all in the protection domain of this patent as long as the size of both side ends diminishes to satisfy gradually.In addition, described outer tube 12 preferred boiler steels.
Described some arms 13 place between described some outer tubes 12 respectively and are communicated with outer tube 12 inner chambers respectively; The effect of described arm 13 in heat interchanger has two, and the one, guarantee the connection between each outer tube 12, the one, realize that the supporting of each outer tube 12 connects.
The preferred conduction oil of described superconducting fluid in superconducting fluid inlet 121 injects cavity between described outer tubes 12 and the interior pipe 11, is all filled with superconducting fluid to the inner chamber of all outer tubes 12.
Described superconducting fluid is held parts 14, and it has storage inner chamber 141, and described superconducting fluid holds that parts 14 are arranged on the top of heat interchanger 10 and its storage inner chamber 141 is communicated with the outer tube 12 of the top by conduit 15.During the burner heating work, the superconducting fluid expanded by heating after conduit 15 enter the top superconducting fluid hold in the parts 14, like this, when burner is flame-out, after the superconducting fluid volume reduces liquid level decline, all there is superconducting fluid to exist in the cavity in all between pipe 11, the outer tube 12, therefore, after burner was flame-out, the produced liquid in oil well that flows in the pipe in the heat of heat interchanger upper periphery still can conduct to can effectively be avoided the wasting of resources.
Shown in the figure, described superconducting fluid is held parts 14 for elongated tubular and along the length direction setting of described outer tube 12.In fact, described superconducting fluid is held parts 14 and be can be shape arbitrarily, as long as volume of its storage inner chamber can satisfy be heated needs after the volume expansion of superconducting fluid in the outer tube 12.
Wherein,, be disposed with several and be communicated with the conduit 15 that outer tubes 12 and superconducting fluid are held parts 14 along the length direction of described outer tube 12, a plurality of conduits 15 can guarantee superconducting fluid outer tube 12 and superconducting fluid hold circulate between the parts 14 smooth and easy.
Wherein, it is two that described superconducting fluid is held parts 14, is separately positioned on the top of the outer tube 12 of and arranged on left and right sides.
In addition, superconducting fluid hold parts 14 above be provided with safety valve 16, the inlet of described safety valve 16 is communicated with the storage inner chamber 141 that described superconducting fluid is held parts 14.When the pressure in the cavity between the inner and outer pipe surpassed safety value, this safety valve can be opened release, guaranteed device security, operation reliably.
Described temperature pick up 17 is arranged on several second rows' the interior pipe 11, to obtain the temperature of the produced liquid in oil well in the relatively accurate interior pipe 11.
As shown in Figure 1, on the feed liquor pipeline 41 at heat interchanger inlet place, be serially connected with gs-oil separator 51, be serially connected with flow meter 52 on the liquid outlet 511 of described gs-oil separator 51 and the path between the feed liquor pipeline 41, the gas outlet 512 of described gs-oil separator 51 is communicated with the liquid outlet of described flow meter 52.Described flow meter 52 is used for measuring the produced liquid in oil well flow in the interior pipe 11 that enters heat interchanger 10, can prevent the phenomenon generation of equipment dry combustion method by the monitoring of flow meter, and then prolongs the application life of equipment; Upstream side at flow meter 52 is provided with gs-oil separator 51, and the produced liquid in oil well that Oil, Water, Gas can be mixed carry out gas-liquid separation, separates the back liquid flow meter 52 of flowing through, with the accurate flow value of liquid in the pipe 11 in obtaining to enter.
Cooperate control by opening and closing of each valve in control this programme, the hot-washing wax remover device that the utility model provides serves many purposes, and describes respectively at two kinds of typical construction operations below.
One, carries out the hot-washing wax remover operation with water as heat medium.Open the 3rd valve 23 and the 4th valve 24, water outlet of water tank is communicated with path between the pump intake, and pump outlet is communicated with path between the described feed liquor pipeline; Under the effect of water pump, the water in the water tank can enter the wax removal heating circulation system, has supplied heat medium, and then has avoided the produced liquid in oil well deficiency can't set up the problem of normal work heat cycles.
Two, the high pressure thorn is washed.At first carry out the self-loopa preheating: open the 3rd valve 23, close the 6th valve 27, open the 4th valve 24, close first valve 43 and second valve 44 again, open the 5th valve 26.Liquid in the described water tank 21 is by water pump 21, again through gs-oil separator 51 and flow meter 52, enter in the heat interchanger and heat in the pipe 11, return water tank through water tank water return pipeline 25 and the 5th valve 26, circular heating so repeatedly, when treating that water tank temperature reaches 85 ℃ of left and right sides, cut off the burner circuit, stop heating by the temperature pick up of crossing water tank.Sting then wash, the de-plugging operation, high pressure thorn is washed rifle is connected with the 6th valve 27, close the 4th valve 24, open the 3rd valve 23 and the 6th valve 27; Under the effect of water pump, press water is washed rifle through the high pressure thorn and is penetrated, and the high pressure thorn is washed to finish, the de-plugging operation.
To sum up, the control operation of hot-washing wax remover equipment described in the utility model by each valve, the water in the water tank enters heating circulation system remedying the produced liquid in oil well defect of insufficient, and can realize a tractor serves several purposes; Its application of promptly can establishing one's own system, the nucleus equipment that also can be used as vehicular hot-washing wax remover device is used, as long as use hot-washing wax remover equipment described in the utility model all in the protection domain of this patent.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1, hot-washing wax remover equipment comprises: power system, heating system, control system and oil well connected system; Wherein,
Described heating system comprises heat interchanger, and this heat interchanger comprises:
Interior pipe with oil-in and oil-out is made of some straightways and circuitous section;
Some outer tubes are set in respectively outside the interior pipe of described straightway, and the two ends of described outer tube are connected by sealing with outer wall of inner tube respectively; With
Some arms place between described some outer tubes respectively and are communicated with outer tube bore respectively; With
Superconducting fluid places in the cavity between described outer tube and the interior pipe;
Described oil well connected system comprises feed liquor pipeline and fluid pipeline, and wherein, the feed liquor pipeline is used to be communicated with the oil-in and the oil well production valve of described interior pipe, and is serially connected with first valve at the entrance point of described feed liquor pipeline; The fluid pipeline is used to be communicated with the oil-out and the oil well casing valve of described interior pipe, and is serially connected with second valve at the port of export of described fluid pipeline; It is characterized in that, also comprise:
Water tank has water filling port and delivery port;
Water pump, its water inlet is communicated with the delivery port of described water tank, the feed liquor pipeline connection of its delivery port and described oil well connected system;
The 3rd valve is serially connected on the pipeline between described pump intake and the water outlet of water tank; With
The 4th valve is serially connected on the pipeline between described pump outlet and the feed liquor pipeline.
2, hot-washing wax remover equipment according to claim 1 is characterized in that, also comprises:
The water tank water return pipeline is used to be communicated with the inner chamber of described feed liquor pipeline and water tank; With
The 5th valve is serially connected on the described water tank water return pipeline.
3, hot-washing wax remover equipment according to claim 2 is characterized in that, also comprises:
The 6th valve, the pipeline connection between its inlet and described pump outlet and the 4th valve, its liquid outlet are used for washing spray gun with the high pressure thorn and are connected.
4, hot-washing wax remover equipment according to claim 3 is characterized in that, also comprises:
The 7th valve, the pipeline connection between its inlet and described pump intake and the 3rd valve, its liquid outlet are used for being connected with external water source.
5, hot-washing wax remover equipment according to claim 1 is characterized in that, also comprises:
The anti-icing fluid case, its anti-icing fluid outlet is communicated with the water inlet of described water pump; With
The 8th valve is serially connected on the pipeline between described anti-icing fluid outlet and the pump intake.
6, hot-washing wax remover equipment according to claim 1 is characterized in that, also comprises:
Safety valve, it is arranged on the pipeline between the 4th valve and the described feed liquor pipeline.
7, hot-washing wax remover equipment according to claim 1 is characterized in that, described heat interchanger also comprises:
Superconducting fluid is held parts, and it has the storage inner chamber, and described superconducting fluid holds that parts are arranged on the top of heat interchanger and its storage inner chamber is communicated with the outer tube of the top by conduit.
8, hot-washing wax remover equipment according to claim 7 is characterized in that, it is elongated tubular and along the length direction setting of described outer tube that described superconducting fluid is held parts; And, be disposed with the conduit that several connection outer tubes and superconducting fluid are held parts along the length direction of described outer tube.
9, hot-washing wax remover equipment according to claim 1 is characterized in that, the cross sectional area of described outer tube both sides port is all less than the cross sectional area of middle part outer tube.
10, hot-washing wax remover equipment according to claim 1 is characterized in that, also comprises:
Gs-oil separator is serially connected on the described in-line; With
Flow meter is serially connected on the liquid outlet and the path between the in-line of described gs-oil separator;
Wherein, the gas outlet of described gs-oil separator is communicated with the liquid outlet of described flow meter.
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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ID=41085315
Family Applications (1)
| 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 |
Country Status (1)
| Country | Link |
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| CN (1) | CN201301691Y (en) |
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 |
-
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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