CN110359883A - A kind of Multifunctional well-washing wax removal vehicle - Google Patents
A kind of Multifunctional well-washing wax removal vehicle Download PDFInfo
- Publication number
- CN110359883A CN110359883A CN201910765236.7A CN201910765236A CN110359883A CN 110359883 A CN110359883 A CN 110359883A CN 201910765236 A CN201910765236 A CN 201910765236A CN 110359883 A CN110359883 A CN 110359883A
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- China
- Prior art keywords
- valve
- pipeline
- vehicle
- pressure
- water pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005406 washing Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 89
- 238000010926 purge Methods 0.000 claims abstract description 14
- 230000009172 bursting Effects 0.000 claims abstract description 9
- 230000008014 freezing Effects 0.000 claims abstract description 9
- 238000007710 freezing Methods 0.000 claims abstract description 9
- 239000000919 ceramic Substances 0.000 claims description 23
- 238000010438 heat treatment Methods 0.000 claims description 17
- 239000002283 diesel fuel Substances 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims description 7
- 230000001050 lubricating effect Effects 0.000 claims description 7
- 239000003208 petroleum Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims description 2
- 238000005260 corrosion Methods 0.000 abstract description 7
- 230000007797 corrosion Effects 0.000 abstract description 7
- 238000003860 storage Methods 0.000 abstract description 4
- 238000004140 cleaning Methods 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 239000003129 oil well Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B36/00—Heating, cooling, insulating arrangements for boreholes or wells, e.g. for use in permafrost zones
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B23/00—Pumping installations or systems
- F04B23/04—Combinations of two or more pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/06—Portable or mobile, e.g. collapsible
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
- F24H9/0042—Cleaning arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
Abstract
The present invention provides a kind of Multifunctional well-washing wax removal vehicles, the water system of the Multifunctional well-washing wax removal vehicle uses two kinds of supply modes, a kind of water tank storage-type supply, another kind is supplied using external water source, two kinds of feed systems can apply in different workflows, the cold wash operation of maximum pressure 35MPa may be implemented by the setting of three-cylinder plunger pump, also the operation of the hot wash operating condition of practicable maximum working pressure 20MPa, the operating condition operation that maximum working pressure 6MPa can be achieved is supplied by water storage box type, suitable operating condition operation mode can be selected according to different actual conditions, vehicle-mounted special boiler is equipped with purge system simultaneously, the coil pipe to vehicle-mounted special boiler can be purged by the gas supply of chassis gas source, bursting by freezing disk when avoiding residual dielectric corrosion coil pipe or the winter in coil pipe, and it is additionally provided with more A over-pressure safety device improves operational security.
Description
Technical field
The present invention relates to petroleum industry oil producing operation equipment technical field more particularly to a kind of Multifunctional well-washing wax removal vehicles.
Background technique
During oil extraction, with being increasing of oil well, being continuously increased of workload, the variation and equipment of oil
Aging, wax deposition is on the rise, hinders the flowing of crude oil, influence the oil yield of oil well；In addition, the demand to well-washing wax-cleaning equipment
Amount is also continuously increased, and cost also constantly increases, and the existing well-washing wax-cleaning equipment of oil well is increasingly unable to satisfy crude oil life
The needs of production, traditional well-washing wax-cleaning method are that a large amount of hot water is injected in well, however in this way, one side hot water
Temperature is lower, and heating time is long, at high cost, on the other hand not only causes environmental pollution, and oil well is not within these few days after well-flushing
It can normally produce；
Domestic existing well-washing wax-cleaning bassinet structure is relatively simple, is used as water system, supply using the supply of independent water tank
Mode is dull, not the blowing mechanism of boiler, and residual medium, bursting by freezing when easily corroding coil pipe or winter are easy in the coil pipe of boiler
Coil pipe, while being not provided with overvoltage protection mechanism, therefore the present invention proposes a kind of Multifunctional well-washing wax removal vehicle to solve existing skill
The problem of art.
Summary of the invention
In view of the above-mentioned problems, the present invention proposes a kind of Multifunctional well-washing wax removal vehicle, the water supply of the Multifunctional well-washing wax removal vehicle
System uses two kinds of supply modes, a kind of water tank storage-type supply, and another kind is supplied using external water source, and two kinds of feed systems can
To apply in different workflows, the cold wash operation of maximum pressure 35MPa may be implemented by the setting of three-cylinder plunger pump,
Also the operation of the hot wash operating condition of practicable maximum working pressure 20MPa, being supplied by water storage box type can be achieved maximum working pressure
The operating condition operation of 6MPa can select suitable operating condition operation mode according to different actual conditions, while vehicle-mounted special boiler is matched
Purge system is had, the coil pipe to vehicle-mounted special boiler can be purged, be avoided in coil pipe by the gas supply of chassis gas source
Residual dielectric corrosion coil pipe or bursting by freezing disk when winter, and be additionally provided with multiple over-pressure safety devices, improve operational security.
In order to solve the problem above-mentioned, the present invention proposes that a kind of Multifunctional well-washing wax removal vehicle, including car body and setting exist
Complete equipment framework on car body, complete equipment framework are made of water system, heating system, purge system；
The water system includes water tank, Ceramic water pump and three cylinder plug water pumps, and the water tank is connected to by pipeline and is made pottery
The input terminal of porcelain water pump, and ball valve is provided on the input channel of Ceramic water pump, the output end of Ceramic water pump is connected to by pipeline
Heating system, and gate valve is provided on the output channel of Ceramic water pump；
The input terminal of the three cylinder plugs water pump is used to be connected to external water receiving, and on the input terminal pipeline of three cylinder plug water pumps
It is provided with butterfly valve, the output end yoke of the three cylinder plugs water pump is divided into two-way pipeline, and pipeline is connected to heating system, and pipeline all the way
On be provided with the first high pressure cock valve, another way pipeline is directly used in cold water operation, and the second high pressure cock is provided on pipeline
Valve；
The heating system includes vehicle-mounted special boiler, combustor, filter and diesel fuel tanks, and diesel fuel tanks pass through petroleum pipeline
It is connected to combustor, and is provided with filter on petroleum pipeline, vehicle-mounted special boiler is heated by burner；
Fork is divided into two output time pipelines on the output main pipeline of the vehicle-mounted special boiler, sets on an output time pipeline
It is equipped with the first check valve and the first high-pressure stop valve, second one-way valve is provided on another output time pipeline and the second high pressure is cut
Only valve
The purge system includes chassis gas source and fluid end lubricating coupler, on the gas pipeline of the chassis gas source successively
It is provided with steam supply valve, check valve, shut-off valve, chassis gas source is connected to the vehicle-mounted special boiler, the fluid power by gas pipeline
End lubricating coupler is connected between steam supply valve and check valve, is purged by purge system to the coil pipe in vehicle-mounted special boiler,
Bursting by freezing coil pipe when avoiding residual dielectric corrosion coil pipe or the winter in vehicle-mounted special boiler coil pipe.
Further improvement lies in that: 35MPa safety valve is provided on the three cylinder plugs water pump, 35MPa safety valve is three cylinders
The relief valve of plunger water pump carries out overpressure protection, and the three cylinder plugs water pump and 35MPa safety to external cold wash work flow
First pressure sensor is provided between valve.
Further improvement lies in that: 6MPa safety valve is provided on the Ceramic water pump, the 6MPa safety valve is three cylinder columns
The pressure-relief valve for filling in pump carries out overpressure protection to the operation of Ceramic water pump.
Further improvement lies in that: it is provided with 20MPa safety valve on the pipeline between the water system and heating system, leads to
It crosses the 20MPa safety valve and overpressure protection is carried out to hot wash work flow.
Further improvement lies in that: temperature sensor, the second pressure are provided on the output main pipeline of the vehicle-mounted special boiler
Force snesor, for detecting the temperature and pressure on vehicle-mounted special boiler output main pipeline, temperature sensor connects thermometer, the
Two pressure sensors connect pressure gauge, and the thermometer and pressure gauge are mounted in the driver's cabin of car body.
The invention has the benefit that the water system of the Multifunctional well-washing wax removal vehicle uses two kinds of supply modes, it is a kind of
The supply of water tank storage-type, another kind are supplied using external water source, and two kinds of feed systems can apply in different workflows,
The cold wash operation of maximum pressure 35MPa may be implemented by the setting of three-cylinder plunger pump, also practicable maximum working pressure 20MPa
Hot wash operating condition operation, by water storage box type supply can be achieved maximum working pressure 6MPa operating condition operation, can be according to difference
The suitable operating condition operation mode of actual conditions selection, while vehicle-mounted special boiler passes through chassis gas source equipped with purge system
Gas supply the coil pipe to vehicle-mounted special boiler can be purged, when avoiding residual dielectric corrosion coil pipe or the winter in coil pipe
Bursting by freezing disk, and multiple over-pressure safety devices are additionally provided with, improve operational security.
Detailed description of the invention
Fig. 1 is complete equipment framework map of the present invention.
Fig. 2 is outside side view of the present invention.
Fig. 3 is appearance top view of the present invention.
Wherein: 1- water tank；2- ball valve；3-35MPa safety valve；4- three-cylinder plunger pump；The second high pressure cock valve of 5-；6- first
High pressure cock valve；7-20MPa safety valve；The vehicle-mounted special boiler of 8-；9- combustor；10- filter；11- diesel fuel tanks；12- temperature
Table；13- pressure gauge；The first check valve of 14-；The first high-pressure stop valve of 15-；16- second one-way valve；The second high-pressure stop valve of 17-；
18- first pressure sensor；The chassis 19- gas source；20- steam supply valve；21- check valve；22- shut-off valve；23- fluid end lubricating coupler；
24- butterfly valve；25-6MPa safety valve；26- Ceramic water pump；27- gate valve；28- temperature sensor；29- second pressure sensor.
Specific embodiment
In order to deepen the understanding of the present invention, the present invention is further described below in conjunction with embodiment, the present embodiment
For explaining only the invention, it is not intended to limit the scope of the present invention..
According to Fig. 1,2,3, the present embodiment proposes a kind of Multifunctional well-washing wax removal vehicle, including car body and setting exist
Complete equipment framework on car body, complete equipment framework are made of water system, heating system, purge system；
The water system includes water tank 1, Ceramic water pump 26 and three cylinder plug water pumps 4, and the water tank 1 is connected by pipeline
The input terminal of logical Ceramic water pump 26, and ball valve 2 is provided on the input channel of Ceramic water pump 26, the output end of Ceramic water pump 26 is logical
Piping is connected to heating system, and gate valve 27 is provided on the output channel of Ceramic water pump 26；
The input terminal of the three cylinder plugs water pump 4 is for being connected to external water receiving, and the input terminal pipeline of three cylinder plug water pumps 4
On be provided with butterfly valve 24, the output end yoke of the three cylinder plugs water pump 4 is divided into two-way pipeline, all the way pipeline be connected to heating system,
And the first high pressure cock valve 6 is provided on pipeline, another way pipeline is directly used in cold water operation, and it is high that second is provided on pipeline
Press plug valve 5；
The heating system includes vehicle-mounted special boiler 8, combustor 9, filter 10 and diesel fuel tanks 11, and diesel fuel tanks 11 are logical
Petroleum pipeline connection combustor 9 is crossed, and is provided with filter 10 on petroleum pipeline, vehicle-mounted special boiler 8 is heated by burner 9；
Fork is divided into two output time pipelines on the output main pipeline of the vehicle-mounted special boiler 8, and one exports on time pipeline
It is provided with the first check valve 14 and the first high-pressure stop valve 15, another exports and be provided with second one-way valve 16 and the on time pipeline
Two high-pressure stop valves 17
The purge system includes chassis gas source 19 and fluid end lubricating coupler 23, the gas pipeline of the chassis gas source 19
On be disposed with steam supply valve 20, check valve 21, shut-off valve 22, chassis gas source 19 is connected to the vehicle-mounted special type by gas pipeline
Boiler 8, the fluid end lubricating coupler 23 are connected between steam supply valve 20 and check valve 21, by purge system to vehicle-mounted extraordinary pot
Coil pipe in furnace 8 is purged, bursting by freezing disk when avoiding residual dielectric corrosion coil pipe or the winter in vehicle-mounted 8 coil pipe of special boiler
Pipe.
35MPa safety valve 3 is provided on the three cylinder plugs water pump 4,35MPa safety valve 3 is letting out for three cylinder plug water pumps 4
Pressure valve carries out overpressure protection to external cold wash work flow, and is arranged between the three cylinder plugs water pump 4 and 35MPa safety valve 3
There is first pressure sensor 18.
6MPa safety valve 25 is provided on the Ceramic water pump 26, the 6MPa safety valve 25 is unloading for three-cylinder plunger pump 26
Pressure valve carries out overpressure protection to the operation of Ceramic water pump 26.
It is provided with 20MPa safety valve 7 on pipeline between the water system and heating system, is pacified by the 20MPa
Full valve 7 carries out overpressure protection to hot wash work flow.
It is provided with temperature sensor 28, second pressure sensor 29 on the output main pipeline of the vehicle-mounted special boiler 8, uses
In detecting the temperature and pressure on the vehicle-mounted output of special boiler 8 main pipeline, temperature sensor 28 connects thermometer 12, second pressure
Sensor 29 connects pressure gauge 13, and the thermometer 12 and pressure gauge 13 are mounted in the driver's cabin of car body.
When cold wash well and hot wash well operations, butterfly valve 24 is opened before work, working media (clear water) is inhaled by three-cylinder plunger pump 4
Entrance sucking enters cold wash work flow by the second high pressure cock valve 5 after the pressurization of three-cylinder plunger pump 4 and carries out cold wash operation, or
Vehicle-mounted special boiler 8 is entered by the first high pressure cock valve 6, it is heated after by the first check valve 14 and the first high-pressure stop valve 15 or
Hot wash work flow is entered by second one-way valve 16 and the second high-pressure stop valve 17 and carries out hot wash operation.35MPa safety valve 3 is three
The pressure-relief valve of cylinder plunger pump 4, while overpressure protection is carried out to cold wash work flow；20MPa safety valve 7 to hot wash work flow into
Row overpressure protection, thermometer 12, pressure gauge 13, temperature sensor 28, second pressure sensor 29 show current hot wash operation
Temperature and pressure, first pressure sensor 18 show the current pressure of three-cylinder plunger pump 4；
When wax removal operation, ball valve 2 is opened before work, closes high pressure cock valve 6, working media (clear water) is by Ceramic water pump
26 suction inlets sucking, through Ceramic water pump 26 pressurization after by gate valve 27 enter vehicle-mounted special boiler 8, it is heated after by the first check valve
14 and first high-pressure stop valve 15 or the second by check valve 16 and the second high-pressure stop valve 17 enter wax removal work flow carry out it is clear
Wax operation.6MPa safety valve 25 is the pressure-relief valve of three-cylinder plunger pump 26, while carrying out overpressure protection to wax removal work flow；
Chassis gas source 19 carries out the coil pipe of vehicle-mounted special boiler 8 by ball-and-seat 21 and shut-off valve 22 after steam supply valve 20
Purging, bursting by freezing coil pipe when avoiding residual dielectric corrosion coil pipe or the winter in coil pipe.
The water system of the Multifunctional well-washing wax removal vehicle uses two kinds of supply modes, and a kind of water tank storage-type supply is another
Kind is supplied using external water source, and two kinds of feed systems can apply in different workflows, passes through setting for three-cylinder plunger pump 4
The cold wash operation that maximum pressure 35MPa may be implemented is set, also the operation of the hot wash operating condition of practicable maximum working pressure 20MPa,
The operating condition operation that maximum working pressure 6MPa can be achieved is supplied by water storage box type, can select to be suitble to according to different actual conditions
Operating condition operation mode, while vehicle-mounted special boiler 8 is equipped with purge system, can be to vehicle by the gas supply of chassis gas source 19
The coil pipe for carrying special boiler 8 is purged, bursting by freezing disk when avoiding residual dielectric corrosion coil pipe or the winter in coil pipe, but also is set
Multiple over-pressure safety devices are equipped with, operational security is improved.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (5)
1. a kind of Multifunctional well-washing wax removal vehicle, the complete equipment framework including car body and setting on the car body, it is characterised in that:
Complete equipment framework is made of water system, heating system, purge system；
The water system includes water tank (1), Ceramic water pump (26) and three cylinder plug water pumps (4), and the water tank (1) passes through pipe
Road is connected to the input terminal of Ceramic water pump (26), and ball valve (2), Ceramic water pump are provided on the input channel of Ceramic water pump (26)
(26) output end is connected to heating system by pipeline, and gate valve (27) are provided on the output channel of Ceramic water pump (26)；
The input terminal of the three cylinder plugs water pump (4) is for being connected to external water receiving, and the input terminal pipeline of three cylinder plug water pumps (4)
On be provided with butterfly valve (24), the output end yoke of the three cylinder plugs water pump (4) is divided into two-way pipeline, all the way pipeline connection heating system
System, and the first high pressure cock valve (6) are provided on pipeline, another way pipeline is directly used in cold water operation, and is provided on pipeline
Second high pressure cock valve (5)；
The heating system includes vehicle-mounted special boiler (8), combustor (9), filter (10) and diesel fuel tanks (11), diesel fuel tanks
(11) combustor (9) are connected to by petroleum pipeline, and are provided with filter (10) on petroleum pipeline, by burner (9) to vehicle-mounted spy
Kind boiler (8) heating；
Fork is divided into two output time pipelines on the output main pipeline of the vehicle-mounted special boiler (8), sets on an output time pipeline
It is equipped with the first check valve (14) and the first high-pressure stop valve (15), is provided with second one-way valve (16) on another output time pipeline
With the second high-pressure stop valve (17)
The purge system includes chassis gas source (19) and fluid end lubricating coupler (23), the appendix of the chassis gas source (19)
Steam supply valve (20), check valve (21), shut-off valve (22) are disposed on road, chassis gas source (19) is connected to institute by gas pipeline
It states vehicle-mounted special boiler (8), the fluid end lubricating coupler (23) is connected between steam supply valve (20) and check valve (21), by blowing
It sweeps system to purge the coil pipe in vehicle-mounted special boiler (8), avoids the residual medium in vehicle-mounted special boiler (8) coil pipe rotten
Bursting by freezing coil pipe when losing coil pipe or winter.
2. a kind of Multifunctional well-washing wax removal vehicle according to claim 1, it is characterised in that: the three cylinder plugs water pump (4)
On be provided with 35MPa safety valve (3), 35MPa safety valve (3) is the relief valve of three cylinder plug water pumps (4), to external cold wash operation
Process carries out overpressure protection, and first pressure sensing is provided between the three cylinder plugs water pump (4) and 35MPa safety valve (3)
Device (18).
3. a kind of Multifunctional well-washing wax removal vehicle according to claim 1, it is characterised in that: set on the Ceramic water pump (26)
It is equipped with 6MPa safety valve (25), the 6MPa safety valve (25) is the pressure-relief valve of three-cylinder plunger pump (26), to Ceramic water pump (26)
Operation carry out overpressure protection.
4. a kind of Multifunctional well-washing wax removal vehicle according to claim 1, it is characterised in that: the water system and heating are
It is provided with 20MPa safety valve (7) on pipeline between system, hot wash work flow is surpassed by the 20MPa safety valve (7)
Pressure protection.
5. a kind of Multifunctional well-washing wax removal vehicle according to claim 1, it is characterised in that: the vehicle-mounted special boiler (8)
Output main pipeline on be provided with temperature sensor (28), second pressure sensor (29), for detecting vehicle-mounted special boiler (8)
The temperature and pressure on main pipeline is exported, temperature sensor (28) connects thermometer (12), second pressure sensor (29) connection
Pressure gauge (13), the thermometer (12) and pressure gauge (13) are mounted in the driver's cabin of car body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910765236.7A CN110359883A (en) | 2019-08-19 | 2019-08-19 | A kind of Multifunctional well-washing wax removal vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910765236.7A CN110359883A (en) | 2019-08-19 | 2019-08-19 | A kind of Multifunctional well-washing wax removal vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110359883A true CN110359883A (en) | 2019-10-22 |
Family
ID=68223997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910765236.7A Pending CN110359883A (en) | 2019-08-19 | 2019-08-19 | A kind of Multifunctional well-washing wax removal vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110725667A (en) * | 2019-10-23 | 2020-01-24 | 中国石油集团渤海石油装备制造有限公司 | LNG well-flushing paraffin removal vehicle |
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| CN107363047A (en) * | 2017-09-01 | 2017-11-21 | 中国石油集团渤海石油装备制造有限公司 | A kind of oil well oil conduit high effective sealing energy-conserving and environment-protective cleaning vehicle and cleaning method |
| CN107461184A (en) * | 2017-10-06 | 2017-12-12 | 西南石油大学 | Heat-extraction system and process are returned in a kind of shale gas horizontal well crack de-plugging |
| CN207620766U (en) * | 2017-12-05 | 2018-07-17 | 通化石油化工机械制造有限责任公司 | High pressure thermal cleaning well-washing truck |
| US20190249754A1 (en) * | 2017-12-05 | 2019-08-15 | U.S. Well Services, Inc. | Multi-plunger pumps and associated drive systems |
| CN109505562A (en) * | 2018-12-29 | 2019-03-22 | 中国石油集团渤海石油装备制造有限公司 | A kind of well-washing wax-cleaning vehicle and its application method |
| CN210460590U (en) * | 2019-08-19 | 2020-05-05 | 中国石油集团渤海石油装备制造有限公司 | Multifunctional well-flushing paraffin removal vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110725667A (en) * | 2019-10-23 | 2020-01-24 | 中国石油集团渤海石油装备制造有限公司 | LNG well-flushing paraffin removal vehicle |
| CN110725667B (en) * | 2019-10-23 | 2023-11-24 | 中国石油天然气集团有限公司 | LNG well-flushing paraffin removal vehicle |
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Application publication date: 20191022 |