CN204457625U - System for carrying out hot washing on oil well self-produced liquid - Google Patents
System for carrying out hot washing on oil well self-produced liquid Download PDFInfo
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- CN204457625U CN204457625U CN201420813340.1U CN201420813340U CN204457625U CN 204457625 U CN204457625 U CN 204457625U CN 201420813340 U CN201420813340 U CN 201420813340U CN 204457625 U CN204457625 U CN 204457625U
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- 239000003129 oil well Substances 0.000 title claims abstract description 63
- 239000007788 liquid Substances 0.000 title claims abstract description 25
- 238000005406 washing Methods 0.000 title claims abstract description 20
- 238000010438 heat treatment Methods 0.000 claims abstract description 104
- 238000004519 manufacturing process Methods 0.000 claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000012530 fluid Substances 0.000 claims description 31
- 230000008676 import Effects 0.000 claims description 18
- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000001993 wax Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 8
- 239000010779 crude oil Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 238000011010 flushing procedure Methods 0.000 description 4
- 230000008021 deposition Effects 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 230000003020 moisturizing effect Effects 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000009096 changqing Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004851 dishwashing Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004018 waxing Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of the oil well is washed to heat, a system of washing is carried out to oil well self-production liquid is provided, produce liquid output pipeline including the oil well, oil well input pipeline still includes the water jacket stove, outer defeated heating pipeline and heat washing heating pipeline, be equipped with outer defeated heating coil and heat washing heating coil in the water jacket stove, outer defeated heating coil and heat washing heating coil set up and mutual independence side by side, outer defeated heating pipeline through connection outer defeated heating coil advance, export, heat washing heating pipeline through connection heat washing heating coil advance, export. The utility model overcomes self-energy heat is washed, conventional heat is washed, the line is swept in the maintenance and all needs the vehicle transportation, and the manual operation flow is complicated, and the problem that the safety risk of oil gas production process is big can realize that the oil well is washed from producing liquid heat through artifical light switching production flow, effectively improves the oil transportation temperature and reduces well group back pressure, has avoided the loaded down with trivial details allotment of personnel, equipment, vehicle, is showing and is improving work efficiency and safe production coefficient.
Description
Technical field
The utility model belongs to thermal well flushing technical field, is specifically related to a kind ofly carry out from production fluid the system that heat washes to oil well.
Background technology
Each large viscous crude field in the whole nation, hot washing process is the effective means controlling oil well paraffinication, is generally divided into self energy heat to wash and washes with routine heat.Although it is better that heat washes effect, owing to being subject to the impact of equipment, vehicle deploying, it is comparatively large that heat washes job engineering difficulty, the short period, carries out thermal well flushing on a large scale and be seriously restricted, and especially for remote oil well, heat is washed work and almost cannot normally be carried out.
Because most of oil well is distributed in high plateau area, limit by hot washing process and orographic condition, it is very big that difficulty is carried out in remote thermal well flushing work, and scene can only control by throwing Wax removing agent, and actual effect is not good.According to statistics, Changqing oilfields often has more than 400 mouth oil wells cannot heat to wash because of remoteness every year, account for and always drive a well several 13.2%, cause oil well paraffinication serious, only 240 days mean time between maintenance (MTBM), year maintenance cost about 6,000,000 yuan, not only causes very large economic loss, more makes crude oil normally produce and had a strong impact on.
Utility model content
The purpose of this utility model overcomes existing thermal well flushing work to limit comparatively serious problem by conditions such as equipment, vehicle, landform, there is provided a kind of and from production fluid, the system that heat washes is carried out to oil well, from production fluid heat cycles, hot-washing wax remover is carried out to pit shaft by oil well, also can play the effect improving crude oil exporting temperature, reduce well group winter operation back pressure.
For this reason, the utility model provides and a kind ofly carries out from production fluid the system that heat washes to oil well, comprise oil well liquid-producing export pipeline, oil well intake pipeline, also comprise water jacket furnace, outer defeated heating pipeline and heat wash heating pipeline, outer defeated heat(ing) coil is provided with and heat washes heat(ing) coil in described water jacket furnace, described outer defeated heat(ing) coil and heat are washed heat(ing) coil and to be set up in parallel and separate, described outer defeated heating pipeline runs through the import and export connecting outer defeated heat(ing) coil, and described heat is washed heating pipeline and run through the import and export that connection heat washes heat(ing) coil;
Described oil well liquid-producing export pipeline is washed by the first threeway and outer defeated heating pipeline, heat and is heated pipeline and be connected, and is provided with mixing valve between described first threeway and outer defeated heating pipeline, and the first threeway and heat are washed to heat to be provided with between pipeline and singly measured valve;
Described mixing valve and the heat heat of washing between heat(ing) coil import is washed and is heated pipeline and be provided with heat and wash heat(ing) coil imported valve, the heat that heat washes heat(ing) coil outlet side is washed heating pipeline and is connected with oil well intake pipeline, this heat is washed heating pipeline and is provided with heat and washes heat(ing) coil outlet valve, and oil well intake pipeline is provided with heat and washes liquid flowing valve;
Outer defeated heating pipeline between described single amount valve and outer defeated heat(ing) coil import is provided with outer defeated heat(ing) coil imported valve, the outer defeated heating pipeline of outer defeated heat(ing) coil outlet side is washed by the heat that the second threeway and external transport pipeline, heat wash heat(ing) coil outlet side and is heated pipeline and be communicated with, be provided with outer defeated heat(ing) coil outlet valve between described second threeway and external transport pipeline, the heat that the second threeway and heat wash heat(ing) coil outlet side is washed to heat and is provided with heat between pipeline and washes outer defeated heating exit switch valve.
Described outer defeated heat(ing) coil import outer defeated heating pipeline on one side and heat are washed heat(ing) coil import heat on one side and are washed heat to be provided with between pipeline and make outer defeated heating pipeline wash with hot the connecting pipeline heating pipeline and communicate, and this connecting pipeline is provided with heat and washes outer defeated heat ingress switch valve;
The connectivity points of described connecting pipeline and outer defeated heating pipeline is measured between valve and outer defeated heat(ing) coil imported valve single, and connecting pipeline and heat are washed the connectivity points heating pipeline and washed between heat(ing) coil imported valve at mixing valve and heat.
Described connecting pipeline and heat are washed to heat to wash through heat after pipeline is communicated with and heats pipeline and be connected with external transport pipeline and communicate, and be provided with and do not heat direct defeated valve outward between the connectivity points of external transport pipeline and outer defeated heating pipeline.
Described external transport pipeline and heat are washed heating exit heat on one side and are washed heat to be communicated with by pipeline between pipeline and to be provided with two groups of coil pipes and heat defeated heat outward and wash switch valve.
The beneficial effects of the utility model are:
(1) technique is simple, by manually easily switching production procedure, workable, avoids the loaded down with trivial details allotment of personnel, equipment, vehicle, significantly improves operating efficiency, effectively can play hot-washing wax remover, reduces the effect of back pressure in actual production process.
(2) instead of traditional heat and wash complicated operation process, effectively reduce the well maintenance pipeline purging frequency, effectively reduce security risk, achieve good economic benefit simultaneously.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is water jacket furnace structural representation;
Fig. 3 is that two groups of coil pipes heat simultaneously and carry out washing schematic flow sheet from production fluid heat;
Fig. 4 is that two groups of coil pipes heat simultaneously and carry out from the outer defeated schematic flow sheet of production fluid.
In figure: dosing valve of 1, logging well; 2, pneumatic control valve is overlapped; 3, valve is infiltrated; 4, singly valve is measured; 5, heat washes liquid flowing valve; 6, outer defeated heat(ing) coil imported valve; 7, heat washes outer defeated heat ingress switch valve; 8, heat washes heat(ing) coil imported valve; 9, heat washes outer defeated heating exit switch valve; 10, outer defeated heat(ing) coil outlet valve; 11, two groups of coil pipe heating exit valves; 12, heat washes heat(ing) coil 25 outlet valve; 13, two groups of outer defeated heat of coil pipe heating wash switch valve; 14, directly outer defeated valve is not heated; 15, outer defeated heating pipeline; 16, heat washes heating pipeline; 17, external transport pipeline; 18, the first threeway; 19, the second threeway; 20, water jacket furnace; 21, fuel gas inlet pipeline; 22, air door; 23, nozzles; 24, outer defeated heat(ing) coil; 25, heat washes heat(ing) coil; 26, moisturizing hole; 27, water jacket; 28, chimney; 29, burner hearth; 30, support; 31, oil well liquid-producing export pipeline; 32, oil well intake pipeline; 33, connecting pipeline.
Detailed description of the invention
Embodiment 1:
Present embodiments provide and a kind ofly from production fluid, the system that heat washes is carried out to oil well as Fig. 1, comprise oil well liquid-producing export pipeline 31, oil well intake pipeline 32, also comprise water jacket furnace 20, outer defeated heating pipeline 15 and heat wash heating pipeline 16, outer defeated heat(ing) coil 24 is provided with and heat washes heat(ing) coil 25 in water jacket furnace 20, outer defeated heat(ing) coil 24 and heat are washed heat(ing) coil 25 and to be set up in parallel and separate, outer defeated heating pipeline 15 runs through the import and export connecting outer defeated heat(ing) coil 24, and heat is washed heating pipeline 16 and run through the import and export that connection heat washes heat(ing) coil 25;
Oil well liquid-producing export pipeline 31 is washed by the first threeway 18 and outer defeated heating pipeline 15, heat and is heated pipeline 16 and be connected, and is provided with mixing valve between the first threeway 18 and outer defeated heating pipeline 15, and the first threeway 18 and heat are washed to heat to be provided with between pipeline 16 and singly measured valve 4;
Mixing valve and the heat heat of washing between heat(ing) coil 25 import is washed and is heated pipeline 16 and be provided with heat and wash heat(ing) coil imported valve 8, the heat that heat washes heat(ing) coil 25 outlet side is washed heating pipeline 16 and is connected with oil well intake pipeline 32, this heat is washed heating pipeline 16 and is provided with heat and washes heat(ing) coil 25 outlet valve 12, and oil well intake pipeline 32 is provided with heat and washes liquid flowing valve 5;
Outer defeated heating pipeline 15 between single amount valve 4 and the import of outer defeated heat(ing) coil 24 is provided with outer defeated heat(ing) coil imported valve 6, the outer defeated heating pipeline 15 of outer defeated heat(ing) coil 24 outlet side is washed by the heat that the second threeway 19 and external transport pipeline 17, heat wash heat(ing) coil 25 outlet side and is heated pipeline 16 and be communicated with, be provided with heat that the threeway 19 of outer defeated heat(ing) coil outlet valve 10, second and heat washes heat(ing) coil 25 outlet side between the second threeway 19 and external transport pipeline 17 to wash to heat and be provided with heat between pipeline 16 and wash outer defeated heating exit switch valve 9.
Fig. 2 is water jacket furnace 20 internal structure schematic diagram, washes part such as 10, heat(ing) coil 25, moisturizing hole 26, water jacket 27, chimney 28, burner hearth 29, support 30 etc. form primarily of fuel gas inlet pipeline 21, air door 2, nozzles 23, outer defeated heat(ing) coil 24, heat.Combustion gas enters burner hearth 29 from inlet line, is regulated can be controlled heating-up temperature by nozzles 23 and air door 2.Water jacket furnace 20 adopts horizontal internal combustion two coil arrangement, hot dishwashing bobbin heats from production fluid waxing in production well, enters pit shaft by oil jacket annular space, utilizes hot fluid circulation to set up warm field, the wax being gathered in shaft in wall is melted come off, thus realize the object of hot-washing wax remover.Heat(ing) coil heats mainly for other oil well crude oil of well group, reduces well group back pressure in winter, ensures production even running.Can according to Production requirement in use procedure, adopt dual coil pipes series connection to heat to carry out heat and wash or outer defeated heating, strengthen hot-washing wax remover and reduce the effect of back pressure.
It is as follows that the present embodiment carries out from production fluid the system work process that heat washes to oil well: as Fig. 1, normal outer defeated after only need heating, oil well enters outer defeated heating pipeline 15 by oil well liquid-producing export pipeline 31 from the first threeway 18 from production fluid, open single amount valve 4, outer defeated heat(ing) coil imported valve 6, outer defeated heat(ing) coil outlet valve 10, oil well enters outer defeated heat(ing) coil 24 from production fluid and heats, realize from production fluid normal outer defeated finally by external transport pipeline 17, to reduce well group back pressure in winter, as needed wax removal, add paraffin remover by well logging dosing valve 1.
When needing to remove the wax of shaft in wall, open mixing valve 3, heat washes heat(ing) coil imported valve 8, heat washes heat(ing) coil 25 outlet valve 12, heat washes liquid flowing valve 5, overlap pneumatic control valve 2, oil well enters heat by oil well liquid-producing export pipeline 31 from the first threeway 18 from production fluid and washes heating pipeline 16, wash after heat(ing) coil 25 heating through heat, pit shaft is entered after entering oil jacket annular space by oil well intake pipeline 32, hot fluid circulation is utilized to set up warm field, the wax being gathered in shaft in wall is melted come off, thus realize the object of hot-washing wax remover.
When to carry out simultaneously heat wash with outer defeated time, open single amount valve 4, outer defeated heat(ing) coil imported valve 6, outer defeated heat(ing) coil outlet valve 10 and mixing valve 3, heat washes heat(ing) coil imported valve 8, heat washes heat(ing) coil 25 outlet valve 12, heat washes liquid flowing valve 5, cover pneumatic control valve 2, now, oil well respectively enters outer defeated heating pipeline 15 and heat by oil well liquid-producing export pipeline 31 from the first threeway 18 from production fluid and washes heating pipeline 16, export through external transport pipeline 17 respectively after heating, oil well intake pipeline 32 enters pit shaft after entering oil jacket annular space, thus realize with the object reducing well group back pressure in winter and hot-washing wax remover.
The utility model carries out heat from production fluid circulating-heating to pit shaft by oil well and washes, can effectively control well wellbore wax deposition, by carrying out coil pipe heating to well group crude oil, effectively can reduce well group winter operation back pressure, without the need to personnel, vehicle, device allotment, do not limit by orographic condition, easy and simple to handle, effectively can reduce security risk, use monomer double-flow water jacket furnace 20 pairs of oil wells to carry out washing from production fluid heat, without the need to providing a large amount of water source, effectively reduce the wasting of resources.
Embodiment 2:
On the basis of embodiment 1, outer defeated heat(ing) coil 24 import outer defeated heating pipeline 15 on one side and heat are washed heat(ing) coil 25 import heat on one side and are washed heat to be provided with between pipeline 16 and make outer defeated heating pipeline 15 wash with hot the connecting pipeline 33 heating pipeline 16 and communicate, and this connecting pipeline 33 is provided with heat and washes outer defeated heat ingress switch valve 7;
The connectivity points of connecting pipeline 33 and outer defeated heating pipeline 15 is measured between valve and outer defeated heat(ing) coil imported valve 6 single, and connecting pipeline 33 and heat are washed the connectivity points heating pipeline 16 and washed between heat(ing) coil imported valve 8 at mixing valve and heat.The heat that heat washes heat(ing) coil 25 import and export both sides is washed and to be provided with heat that two groups of coil pipe heating exit valves, 11, two groups of coil pipe heating exit valves 11 and heat washes heat(ing) coil 25 import between heating pipeline 16 and to wash and heat pipeline 16 connectivity points and be located at heat and wash heat(ing) coil 25 outlet valve 12 and heat is washed between liquid flowing valve 5.
In the good situation of temperature condition, wax deposition Severe well is washed by carrying out heat after two groups of coil pipe series connection heating successively from production fluid, other oil well crude oils are directly outer defeated when needing to carry out reheat without heating furnace, as shown in Figure 3, open single amount valve 4, infiltrate valve 3, outer defeated heat(ing) coil imported valve 6, heat washes outer defeated heat ingress switch valve 7, heat washes outer defeated heating exit switch valve 9, heat washes liquid feed valve 5, oil well enters outer defeated heating pipeline 15 and heat from production fluid through oil well liquid-producing export pipeline 31 and washes heating pipeline 16, heat is washed oil well in heating pipeline 16 and to be washed outer defeated heat ingress switch valve 7 and connecting pipeline 33 by heat from production fluid and enter mixing after outer defeated heating pipeline 15, wash outer defeated heating exit switch valve 9 and enter heat through overheated and wash heating pipeline 16 after outer defeated heat(ing) coil 24 heats, oil well now after heating is again washed heating pipeline 16 in heat from production fluid and is carried out reheat, enter oil jacket annular space after entering oil well intake pipeline 32 by two groups of coil pipe heating exit valves 11 to carry out cycling hot and wash.
Embodiment 3:
On the basis of embodiment 2, connecting pipeline 33 and heat are washed to heat to wash through heat after pipeline 16 is communicated with and heats pipeline 16 and be connected with external transport pipeline 17 and communicate, and be provided with and do not heat direct defeated valve 14 outward between the connectivity points of external transport pipeline 17 and outer defeated heating pipeline 15.External transport pipeline 17 and heat are washed heating exit heat on one side and are washed heat to be communicated with by pipeline between pipeline 16 and to be provided with two groups of coil pipes and heat defeated heat outward and wash switch valve 13.
As shown in Figure 4, when not needing defeated outside heating directly, open and infiltrate valve 3, single amount valve 4, heat wash outer defeated heat ingress switch valve 7, do not heat that directly outer defeated valve 14, two groups of oil wells are washed heating pipeline 16 respectively from production fluid by heat, outer defeated heating pipeline 15 is entered after the connecting pipeline 33 communicated with external transport pipeline 17 extends pipeline and directly exported by external transport pipeline 17.
High back pressure well group winter operation, is heated by two groups of coil pipe series connection successively after all oil well liquid-producing mixing, effectively can promote outer defeated temperature, reduce well group back pressure.When needs two groups of coil pipes heat simultaneously rear outer defeated time, open single amount valve 4, outer defeated heat(ing) coil imported valve 6, outer defeated heat(ing) coil outlet valve 10 and mixing valve 3, heat washes heat(ing) coil imported valve 8, heat washes heat(ing) coil 25 outlet valve 12 and two groups of outer defeated heat of coil pipe heating wash switch valve 13, now, oil well is divided into two groups from production fluid, one group enters external transport pipeline 17 by outer defeated heat(ing) coil outlet valve 10 and exports after outer defeated heating pipeline 15 and the heating of outer defeated heat(ing) coil 24, another group is washed heating pipeline 16 and heat by heat and is washed and wash heat(ing) coil 25 outlet valve 12 and the outer defeated heat of two groups of coil pipes heating by heat after heat(ing) coil 25 heats and wash switch valve 13 and enter external transport pipeline 17 and export.
When oil well casing needs venting, open cover pneumatic control valve 2, heat washed after liquid flowing valve 5, two groups of outer defeated heat of coil pipes heating wash switch valve 13 and exported by external transport pipeline 17.
In sum, the utility model overcomes that self energy heat is washed, conventional heat is washed, keep in repair pipeline purging all needs vehicle transport, manual operation flow process is complicated, the problem that the security risk of production of hydrocarbons process is large, oil well can be realized by artificial easily switching production procedure to wash from production fluid heat, effective raising oil transportation temperature reduces well group back pressure, avoid the loaded down with trivial details allotment of personnel, equipment, vehicle, significantly improve operating efficiency and safety in production coefficient, monomer double-flow water jacket furnace directly utilizes oil well from production fluid simultaneously, effectively reduces the waste of water resource.
The technology that the present embodiment does not describe in detail belongs to known technology or the common technology of the industry, does not describe one by one here.
More than exemplifying is only illustrate of the present utility model, does not form the restriction to protection domain of the present utility model, everyly all belongs within protection domain of the present utility model with the same or analogous design of the utility model.
Claims (4)
1. one kind is carried out from production fluid the system that heat washes to oil well, comprise oil well liquid-producing export pipeline (31), oil well intake pipeline (32), it is characterized in that: also comprise water jacket furnace (20), outer defeated heating pipeline (15) and heat wash heating pipeline (16), outer defeated heat(ing) coil (24) is provided with and heat washes heat(ing) coil (25) in described water jacket furnace (20), described outer defeated heat(ing) coil (24) and heat are washed heat(ing) coil (25) and to be set up in parallel and separate, described outer defeated heating pipeline (15) is run through and is connected entering of outer defeated heat(ing) coil (24), outlet, described heat wash heating pipeline (16) run through connect heat wash entering of heat(ing) coil (25), outlet,
Described oil well liquid-producing export pipeline (31) is washed by the first threeway (18) and outer defeated heating pipeline (15), heat and is heated pipeline (16) and be connected, be provided with mixing valve between described first threeway (18) and outer defeated heating pipeline (15), the first threeway (18) and heat are washed to heat to be provided with between pipeline (16) and are singly measured valve (4);
Described mixing valve and the heat heat of washing between heat(ing) coil (25) import is washed and is heated pipeline (16) and be provided with heat and wash heat(ing) coil imported valve (8), the heat that heat washes heat(ing) coil (25) outlet side is washed heating pipeline (16) and is connected with oil well intake pipeline (32), this heat is washed heating pipeline (16) and is provided with heat and washes heat(ing) coil (25) outlet valve (12), and oil well intake pipeline (32) is provided with heat and washes liquid flowing valve (5);
The described list outer defeated heating pipeline (15) of measuring between valve (4) and outer defeated heat(ing) coil (24) import is provided with outer defeated heat(ing) coil imported valve (6), the outer defeated heating pipeline (15) of outer defeated heat(ing) coil (24) outlet side is by the second threeway (19) and external transport pipeline (17), the heat that heat washes heat(ing) coil (25) outlet side washes heating pipeline (16) connection, outer defeated heat(ing) coil outlet valve (10) is provided with between described second threeway (19) and external transport pipeline (17), the heat that second threeway (19) and heat wash heat(ing) coil (25) outlet side is washed to heat and is provided with heat between pipeline (16) and washes outer defeated heating exit switch valve (9).
2. according to claim 1ly a kind of from production fluid, the system that heat washes is carried out to oil well, it is characterized in that: outer defeated heating pipeline (15) and the heat of the import of described outer defeated heat(ing) coil (24) are washed heat(ing) coil (25) import heat on one side and washed to heat to be provided with between pipeline (16) and make outer defeated heating pipeline (15) and heat wash the connecting pipeline (33) heating pipeline (16) and communicate, and this connecting pipeline (33) is provided with heat and washes outer defeated heat ingress switch valve (7);
The connectivity points of described connecting pipeline (33) and outer defeated heating pipeline (15) is positioned at singly to be measured between valve and outer defeated heat(ing) coil imported valve (6), and connecting pipeline (33) and heat are washed the connectivity points heating pipeline (16) and is positioned at mixing valve and heat is washed between heat(ing) coil imported valve (8).
3. according to claim 2ly a kind of from production fluid, the system that heat washes is carried out to oil well, it is characterized in that: described connecting pipeline (33) and heat are washed to heat to wash through heat after pipeline (16) is communicated with and heat pipeline (16) and be connected with external transport pipeline (17) and communicate, and be provided with and do not heat direct defeated valve (14) outward between the connectivity points of external transport pipeline (17) and outer defeated heating pipeline (15).
4. according to claim 1ly a kind of from production fluid, the system that heat washes is carried out to oil well, it is characterized in that: the heat that described external transport pipeline (17) and heat wash heating exit is washed to heat to be communicated with by pipeline between pipeline (16) and to be provided with two groups of coil pipes and heated defeated heat outward and wash switch valve (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420813340.1U CN204457625U (en) | 2014-12-22 | 2014-12-22 | System for carrying out hot washing on oil well self-produced liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420813340.1U CN204457625U (en) | 2014-12-22 | 2014-12-22 | System for carrying out hot washing on oil well self-produced liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204457625U true CN204457625U (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420813340.1U Expired - Fee Related CN204457625U (en) | 2014-12-22 | 2014-12-22 | System for carrying out hot washing on oil well self-produced liquid |
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| Country | Link |
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| CN (1) | CN204457625U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108266158A (en) * | 2016-12-30 | 2018-07-10 | 中国石油天然气股份有限公司 | Device and method for hot washing well casing |
-
2014
- 2014-12-22 CN CN201420813340.1U patent/CN204457625U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108266158A (en) * | 2016-12-30 | 2018-07-10 | 中国石油天然气股份有限公司 | Device and method for hot washing well casing |
| CN108266158B (en) * | 2016-12-30 | 2020-07-14 | 中国石油天然气股份有限公司 | Device and method for hot washing well casing |
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Granted publication date: 20150708 |
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| CF01 | Termination of patent right due to non-payment of annual fee |