CN208669273U - A kind of natural gas well christmas tree circulating heater - Google Patents
A kind of natural gas well christmas tree circulating heater Download PDFInfo
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- CN208669273U CN208669273U CN201821393776.4U CN201821393776U CN208669273U CN 208669273 U CN208669273 U CN 208669273U CN 201821393776 U CN201821393776 U CN 201821393776U CN 208669273 U CN208669273 U CN 208669273U
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Abstract
The utility model relates to natural gas well production practice auxiliary devices, in particular to a kind of natural gas well christmas tree circulating heater, including the hot-water supply device being sequentially communicated, power mechanism and heat exchange shell, the heat exchange shell is removably set on christmas tree, water stream channel is provided in the heat exchanger shell body, the power mechanism driving hot water is flowed along the water stream channel, the heat exchange shell is set to carry out heat exchange heating to christmas tree, so that the hot water and heat exchange shell in water stream channel carry out heat exchange, heat exchange shell and christmas tree carry out heat exchange, realize the heating to christmas tree, realize the continuous heating to christmas tree, heating effect is preferable, it is stifled effectively to avoid the formation ice on christmas tree, simultaneously, since the technique of heating water is simpler, and there is no the danger that security risk is caused to natural gas well station Dangerous factor, so that the heating device of the structure uses energy-saving safe, the scope of application is wider.
Description
Technical field
The utility model relates to natural gas well production practice auxiliary device, in particular to a kind of natural gas well christmas tree follows
Ring heating device.
Background technique
Christmas tree can be arranged in Gas Exploitation gas well mouth, and several valves are provided on christmas tree, and christmas tree is mainly
For control well head pressure and adjust natural gas well throughput so that natural gas carried out in the pressure of safety and range of flow it is defeated
Send, the natural gas well is generally located under outdoor environment, directly contacted with external environment, in cold winter, by extraneous low temperature with
And head valve throttling action, it is easy to produce icing in the throttle position of christmas tree, causes Gas Exploitation gas well mouth ice
It is stifled, can not work normally gas recovery well.
Currently, not blocking up phenomenon for ice on the christmas tree of Gas Exploitation gas well is arranged special effective solution facility,
Only well head occur ice it is stifled when, it is stifled manually to solve deicing in such a way that steam heats or pour leaching boiled water, and still, artificial to solve deicing stifled
Cannot be effectively lasting heat, effect is poor, expends more manpower and material resources, and for high-pressure gas well, manually solves deicing
It is stifled that there is also biggish security risks, meanwhile, also there is the structure that heating and thermal insulation is carried out using electric-heating belt winding christmas tree at present,
But the operation of electric-heating belt needs to expend the more energy, and heat insulation effect is poor, is also easy to the use due to electricity to gas production
The operation of well causes security risk, and high-pressure gas well well head intermittence is not only easy to cause to block, and also adds wellhead equipment operation
Safety, influence the normal production of gas well.
In conclusion at present there is an urgent need for a kind of technical solution, solve at present on the christmas tree of Gas Exploitation gas well not
Phenomenon being blocked up for ice, special effective solution facility being set, the stifled measure effect of existing solution deicing is poor, and consumes more
The energy, the technical issues of causing security risk to the operation of gas recovery well.
Utility model content
The purpose of this utility model is that: at present on the christmas tree of Gas Exploitation gas well not for the stifled phenomenon of ice
Special effective solution facility is set, and the stifled measure effect of existing solution deicing is poor, and consumes the more energy, gives gas recovery well
Operation the technical issues of causing security risk, provide a kind of natural gas well christmas tree circulating heater.
To achieve the goals above, the technical solution adopted in the utility model are as follows:
A kind of natural gas well christmas tree circulating heater, including be sequentially communicated hot-water supply device, power mechanism and
Heat exchange shell, the heat exchange shell are removably set on christmas tree, and it is logical that water flow is provided in the heat exchanger shell body
Road, the power mechanism driving hot water are flowed along the water stream channel, and the heat exchange shell is made to carry out heat exchange to christmas tree
Heating.
A kind of natural gas well christmas tree circulating heater of the utility model drives hot water edge by setting power mechanism
The intracorporal water stream channel flowing of heat exchanger shell, so that the hot water and heat exchange shell in water stream channel carry out heat exchange, heat exchange
Shell and christmas tree carry out heat exchange, the heating to christmas tree are realized, due to water flow constant flow, it can be achieved that holding to christmas tree
Continuous heating, heating effect is preferable, and it is stifled effectively to avoid the formation ice on christmas tree, simultaneously as the technique of heating water is simpler
It is single, and there is no the risk factors that security risk is caused to natural gas well station, so that the heating device of the structure uses safe section
Can, the scope of application is wider.
Preferably, the both ends of the water stream channel are connected to hot-water supply device respectively, the power mechanism drives water
Stream circulates between hot-water supply device and heat exchange shell.By the way that the both ends of water stream channel and hot-water supply device are connected
It is logical, so that forming the water flow circulated, so that the hot water in hot-water supply device is recycled, reduce energy consumption.
It is made preferably, the heat exchange shell is bent by least one hose, the hose includes extremely
It a few root canal road can by jointing between adjacent two root canal road when the quantity of the pipeline is two or two or more
The connection of disassembly.By using hose be bent be made heat exchange shell, structure is simpler, prepare it is more convenient, in use, can
Scene adjustment appropriate is carried out according to the position of valve on christmas tree and model, further adapts to the heat exchange shell of the structure
Heat exchange heating is carried out in the christmas tree to different model, the scope of application is wider, meanwhile, more can be arranged according to the actual situation
Hose keeps the heating effect of the heating device of the structure more preferable so that forming the hot water of a plurality of circulation, can also basis
Actual conditions, using single hose, so that flowing water stream and christmas tree sufficiently carry out heat exchange in single hose,
Improve the utilization rate of the heat of hot water.
Preferably, the heat exchange shell and christmas tree external shape fits.By the setting of heat exchange shell and christmas tree shape
Adaptation imitates heat exchange between heat exchange shell and christmas tree so that can fit closely between heat exchange shell and christmas tree
Fruit is more preferable.
Preferably, the heat exchange shell is made by 3D printing, it is formed in the heat exchanger shell body for water flow stream
Dynamic cavity.Heat exchange shell is made by using 3D printing, on the one hand makes heat exchange shell itself that there is heat insulation effect, subtracts
Few christmas tree is influenced by ambient temperature, on the other hand, can be formed in heat exchanger shell body using 3D printing and be contacted with christmas tree
The wider heating surface in face further increases the heating of heat exchange shell so that heat exchange shell and christmas tree heat exchange are more thorough
Effect, simultaneously as the material for 3D printing has certain deformability, so that heat exchange shell can be according to christmas tree
Exact shape is adjusted, and is bonded heat exchange shell with christmas tree closely, on the one hand improves heat exchange shell and christmas tree
On the other hand exchange rate also facilitates and heat exchange shell is arranged onto christmas tree by way of fastening, heating is facilitated to fill
That sets installs and uses.
Preferably, further include insulation shell, it is external that the insulation shell is removably arranged in the heat exchanger shell, institute
State insulation shell shape and christmas tree external shape fits.In heat exchanger shell, insulation shell is set in vitro, be further reduced christmas tree by
The influence of external environment low temperature reduces ice and blocks up hidden danger, meanwhile, the intracorporal heat of heat exchanger shell is limited in insulation shell and gas production
Between tree, further make the heat exchange effect of heat exchange shell more preferable, improves heat exchanger effectiveness.
Preferably, the hot-water supply device includes heating water jacket's furnace, removably it is arranged on heating water jacket's furnace
There are the water inlet pipe and outlet pipe being connected to the water stream channel, the water inlet pipe and outlet pipe extend respectively to heating water jacket's furnace
In water space.The heating water jacket's furnace being provided with by using natural gas well station is as hot-water supply device, in heating water jacket
Water inlet pipe and outlet pipe are added on furnace, make the function of the heating water using heating water jacket's furnace, the hot water in heating water jacket's furnace is led to
Heat exchange shell is crossed to exchange with christmas tree progress heat, so that the heating device cost of the structure is lower, less energy intensive.
Preferably, the nozzle of the outlet pipe is located above the nozzle of the water inlet pipe in heating water jacket's furnace.
It is in heating water jacket's furnace, the nozzle setting of outlet pipe is higher, avoid the too low caused heating water jacket of water level in heating water jacket's furnace
Furnace sky scaling loss is bad, and the nozzle setting of water inlet pipe is lower, is conducive to the cold water back lower part in heating water jacket's furnace is added, and hot
Water is heated to float, so that just exportable utilization after cold water is sufficiently heated in heating water jacket's furnace, further increases heat exchange shell
Heating effect.
Preferably, the quantity of the power mechanism is at least two, the power mechanism is connected in parallel.It is arranged multiple dynamic
On the one hand force mechanisms guarantee the continuous heating effect of heating device, separately so that power mechanism can be used alternatingly according to the actual situation
On the one hand it also avoids single power mechanism from running for a long time and generates failure, so that the heating device service life of the structure is more
It is long.
Preferably, the heat exchange shell is made by metal material, the insulation shell is made by thermal insulation material.Due to
Metal has preferable heat exchange effect so that heat exchanger shell physical efficiency made from metal faster carry out hot friendship with christmas tree
It changes, keeps heating effect preferable, meanwhile, insulation shell is prepared using thermal insulation material, heat insulation effect is preferable, further increases heat exchange
Effect and rate.
In conclusion by adopting the above-described technical solution, a kind of natural gas well christmas tree circulation of the utility model adds
Thermal beneficial effect is:
1, drive hot water along the intracorporal water stream channel flowing of heat exchanger shell by setting power mechanism, so that in water stream channel
Hot water and heat exchange shell carry out heat exchange, heat exchange shell and christmas tree carry out heat exchange, realize the heating to christmas tree,
Due to water flow constant flow, it can be achieved that continuous heating to christmas tree, heating effect is preferable, effectively avoids on christmas tree
It is stifled to form ice；
2, since the technique of heating water is simpler, and the risk factor that security risk is caused to natural gas well station is not present,
So that the heating device of the structure uses energy-saving safe, the scope of application is wider.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of natural gas well christmas tree circulating heater of the utility model；
Fig. 2 is a kind of flow diagram of the application method of natural gas well christmas tree circulating heater of embodiment 5.
Appended drawing reference
1- heating water jacket's furnace, 11- blowdown valve, 12- control gate valve, 2- draw water pump group, 21- suction pump, 22- valve, 3- heat
Exchange shell, 4- christmas tree, 5- hose, 6- insulation shell, 7- water inlet pipe, 8- outlet pipe.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and specifically
Embodiment, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to solve
The utility model is released, is not used to limit the utility model.
Embodiment 1
As shown in Figure 1, a kind of natural gas well christmas tree circulating heater, including be sequentially communicated hot-water supply device,
Power mechanism and heat exchange shell 3, the heat exchange shell 3 are removably set on christmas tree 4, the heat exchange shell 3
With 4 external shape fits of christmas tree, water stream channel is provided in the heat exchange shell 3, the power mechanism driving hot water is described in
Water stream channel flowing, makes the heat exchange shell 3 carry out heat exchange heating to christmas tree 4.
A kind of natural gas well christmas tree circulating heater of the present embodiment, the preferably described power mechanism are suction pump 21,
The hot water in hot-water supply device is extracted by suction pump 21 to flow along the water stream channel of heat exchange shell 3, according to temperature from
High temp objects are distributed to the principle of cryogenic object, are exchanged so that the hot water in water stream channel carries out heat with heat exchange shell 3, heat
Exchange shell 3 carries out heat with christmas tree 4 and exchanges, and realizes that heating effect is preferable, has to the heating of the continuous and effective of christmas tree 4
The formation ice on christmas tree 4 that avoids of effect blocks up, simultaneously as the technique of heating water is simpler, can use according to the actual situation
Boiler or other equipment that can heat water carry out hot water heating, hot water supply are easier provided into heat exchange shell 3, separately
Outside, due to the heat exchanging process carried out using water and christmas tree 4, there is no electrostatic or other be easy to cause to pacify to natural gas well station
The risk factor of full hidden danger, so that the heating device of the structure uses energy-saving safe, the scope of application is wider, in use, will with adopt
The heat exchange shell 3 of 4 external shape fits of gas tree is set on christmas tree 4, by the water stream channel and suction pump 21 in heat exchange shell 3
It is connected to hot-water supply device, starting suction pump 21 drives hot water flowing, forms heating device, structure is simpler, use side
Just.
Preferably, the both ends of the water stream channel are connected to hot-water supply device respectively, and the power mechanism drives water flow
It is circulated between hot-water supply device and heat exchange shell 3.By the way that the both ends of water stream channel and hot-water supply device are connected
It is logical, so that forming the water flow circulated, so that the hot water in hot-water supply device is recycled, energy consumption is reduced, together
When, since hot water is limited in closed circulating water flow channel, so that the consumption of water is less, further make the heating of the structure
Device energy conservation.
Preferably, the hot-water supply device includes heating water jacket's furnace 1, is removably arranged on heating water jacket's furnace 1
There are the water inlet pipe 7 and outlet pipe 8 being connected to the water stream channel, the water inlet pipe 7 and outlet pipe 8 extend respectively to heating water jacket
In the water space of furnace 1, in heating water jacket's furnace 1, the nozzle of the outlet pipe 8 is located on the nozzle of the water inlet pipe 7
Side.On the basis of the present embodiment is by the heating water jacket's furnace 1 that can be arranged at natural gas well station, improves and increase water inlet pipe 7 and go out
Water pipe 8 preferably protrudes into water inlet pipe 7 and outlet pipe 8 in heating water jacket's furnace 1 from the artificial vertical of water batch heater 1, until water inlet
Pipe 7 is immersed in the water of heating water jacket's furnace 1, and outlet pipe 8 is separated with gas coil pipe in heating water jacket's furnace 1, and the nozzle of outlet pipe 8 is set
The top of the gas coil pipe in heating water jacket's furnace 1 is set, so that the heating device structure of the structure is simpler, can not only easier be
Heat exchange shell 3 provides hot water, moreover it is possible to which the position height by water inlet pipe 7 and outlet pipe 8 is poor, effectively avoids heating water jacket's furnace 1
The empty scaling loss of heating water jacket's furnace 1 caused by interior water level is too low is bad, under being also beneficial in the cold-water reflux to heating water jacket's furnace 1 that will be flowed back
Portion, and hot water is heated floats, so that just exportable utilization after cold water is sufficiently heated in heating water jacket's furnace 1, further increases heat
The heating effect of shell 3 is exchanged, cost is lower, less energy intensive.
Preferably, the quantity of the power mechanism is at least two, and the power mechanism is connected in parallel.The present embodiment is preferred
Pump group 2 of drawing water is composed in parallel using two suction pumps 21, the pump group 2 of drawing water cooperates corresponding controller, automatically controls two
Suction pump 21 works alternatively, and guarantees the continuous service of heating device, while it is prolonged also to effectively prevent single suction pump 21
Operation generates failure, so that the service life is longer for the heating device of the structure.
Embodiment 2
As shown in Figure 1, a kind of structure of natural gas well christmas tree circulating heater of the present embodiment and 1 phase of embodiment
Together, difference is: the heat exchange shell 3 is bent by least one hose 5 and is made, and the hose 5 includes at least
One root canal road is removable by jointing between adjacent two root canal road when the quantity of the pipeline is two or two or more
The connection unloaded.
A kind of natural gas well christmas tree circulating heater of the present embodiment, the preferably described hose 5 is by several stainless
Steel conduit head and the tail pass sequentially through jointing and removably connect composition, and the jointing preferably uses threaded joint, so that
The entire length of hose 5 can more conveniently be adjusted according to the size of christmas tree 4, structure is simpler, adjustment and preparation compared with
It is convenient, it adjusts in use, scene appropriate can be carried out according to the position of throttle valve on christmas tree 4 and model, holds on christmas tree 4
It is also easy to produce the stifled throttle valve position winding multi-turn pipeline of ice, avoids generation ice stifled to the greatest extent, anti-icing stifled effect is preferable, can root
According to actual conditions, many flexible pipes component 5 is set so that forming the hot water of a plurality of circulation and further increases heating effect,
Can according to the actual situation, using single hose 5 so that in single hose 5 flowing water stream and christmas tree sufficiently into
Row heat exchange improves the utilization rate of the heat of hot water.
Embodiment 3
As shown in Figure 1, a kind of structure of natural gas well christmas tree circulating heater of the present embodiment and 1 phase of embodiment
Together, difference is: the heat exchange shell 3 is made by 3D printing, is formed in the heat exchange shell 3 for water flow flowing
Cavity.
A kind of natural gas well christmas tree circulating heater of the present embodiment, is made heat exchange shell by using 3D printing
3, on the one hand make heat exchange shell 3 itself that there is heat insulation effect, reduce christmas tree 4 is influenced by ambient temperature, on the other hand,
Using 3D printing technique can be formed in heat exchange shell 3 with the wider heating cavities of 4 contact surface of christmas tree so that heat exchanger shell
Body 3 and 4 heat exchange of christmas tree are more thorough, further increase the heating effect of heat exchange shell 3, simultaneously as being used for 3D printing
Material there is certain deformability so that heat exchange shell 3 can be adjusted according to the exact shape of christmas tree 4 to make heat
Exchange shell 3 is bonded closely with christmas tree 4, on the one hand improves the exchange rate of heat exchange shell 3 and christmas tree 4, another party
Face also facilitates and heat exchange shell 3 is arranged onto christmas tree 4 by way of fastening, facilitates installing and using for heating device.
Embodiment 4
As shown in Figure 1, a kind of structure of natural gas well christmas tree circulating heater of the present embodiment and 1 phase of embodiment
Together, difference is: further including insulation shell 6, the insulation shell 6 is removably arranged outside the heat exchange shell 3, described
6 shape of insulation shell and 4 external shape fits of christmas tree, the insulation shell 6 are made by thermal insulation material.
A kind of natural gas well christmas tree circulating heater of the present embodiment, by being arranged outside heat exchange shell 3 by protecting
Insulation shell 6 made from adiabator, insulation shell 6 itself have certain heat insulation effect, further reduce christmas tree 4 by outer
The influence of boundary's low ambient temperature reduces ice and blocks up hidden danger, meanwhile, the heat in heat exchange shell 3 is limited in insulation shell 6 and gas production
Between tree 4, further make the heat exchange effect of heat exchange shell 3 more preferable, improves heat exchanger effectiveness, it is preferred to use by thermal insulation material
Insulation belt obtained prepares the insulation shell 6, further facilitates and insulation belt is coated on to christmas tree 4 by way of winding
On, be limited in insulation shell 6 heat exchange shell 3 on christmas tree 4, further increases the heating efficiency of heat exchange shell 3.
Embodiment 5
As shown in Figs. 1-2, a kind of application method of natural gas well christmas tree circulating heater, specifically includes following step
It is rapid: step 1: water filling: the injected clear water in heating water jacket's furnace 1, until the 1/2-2/3 of the maximum amount of being filled with water of heating water jacket's furnace 1；Step
2: preheating: the heating function of starting heating water jacket's furnace 1 heats clear water to -80 DEG C of temperature 60 C；Step 3: establishing heat exchange knot
Structure: heat exchange shell 3 is set on christmas tree 4, and insulation shell 6 is set on heat exchange shell 3, forms heat exchange knot
Structure；Step 4: establishing circulating water flow: the both ends of the water stream channel of heat exchange shell 3 are empty with the water storage of heating water jacket's furnace 1 respectively
Between be connected to, start power mechanism, driving water circulation flowing.
A kind of application method of the natural gas well christmas tree circulating heater of the present embodiment, it is existing using natural gas well station
Heating water jacket's furnace 1 be used as hot-water supply device, in use, 1 inner canister of heating water jacket's furnace to be installed to sufficient water in advance, in advance
Water is preheated to 60 DEG C -80 DEG C by heating water jacket's furnace 1, and heating water jacket's furnace 1 is connected to heat exchange shell 3, hot water is made to exist
It is circulated between heat exchange shell 3 and heating water jacket's furnace 1, realizes that the hot water in heating water jacket's furnace 1 adds christmas tree 4
Heat cooperates insulation shell 6, keeps heating device preferable to the continuous heating effect of christmas tree 4, avoided to the greatest extent in gas production
It forms ice on tree 4 to block up, use is more convenient, and the present embodiment preferably uses stainless steel pipes winding christmas tree 4 to form the heat exchange
Preferably blowdown valve 11 is arranged in the bottom of heating water jacket's furnace 1 in shell 3, and at stainless steel pipes both ends close to heating water jacket's furnace 1
Control gate valve 12 is arranged in side, and for controlling the connection and/or partition of heating water jacket's furnace 1 Yu heat exchange shell 3, structure is simpler
Single, control is more convenient, meanwhile, for the present embodiment preferably using pump group 2 of drawing water as power mechanism, which includes two
Suction pump 21 in parallel, the outlet of each suction pump 21 are provided with valve 22, to facilitate two suction pumps 21 of control just
Often work, structure is simpler, controls more convenient.
Preferably, step 4 further includes step 4.1: checking pipeline: detection power mechanism, heating mechanism and heat exchange shell 3
Between link position connection, flow hot water in closed circulation canal, save water resource, but also heat exchange imitate
Fruit is preferable；Step 4.2: prefilled pipeline: before the starting of suction pump 21, being connected to heat exchange shell 3 and heating water jacket's furnace 1, open
The control gate valve 12 is opened, so that the hot water in heating water jacket's furnace 1 is flowed along stainless steel pipes under the effect of gravity, full of stainless
Steel conduit reaches Warm status to be added.
Above embodiments are only to illustrate the utility model and not limit technical solution described in the utility model, to the greatest extent
Pipe this specification has been carried out detailed description to the utility model referring to the above embodiments, but the utility model is not limited to
Above-mentioned specific embodiment, therefore any pair of the utility model is modified or equivalent replacement, and all do not depart from utility model
Spirit and scope technical solution and its improvement, should all cover in the scope of the claims of the utility model.
Claims (9)
1. a kind of natural gas well christmas tree circulating heater, it is characterised in that: including the hot-water supply device, dynamic being sequentially communicated
Force mechanisms and heat exchange shell (3), the heat exchange shell (3) are removably set on christmas tree (4), the heat exchanger shell
Water stream channel is provided in body (3), the power mechanism driving hot water is flowed along the water stream channel, makes the heat exchange shell
(3) heat exchange heating is carried out to christmas tree (4).
2. christmas tree circulating heater as described in claim 1, it is characterised in that: the both ends of the water stream channel respectively with
Hot-water supply device connection, the power mechanism drive water flow recycle stream between hot-water supply device and heat exchange shell (3)
It is dynamic.
3. christmas tree circulating heater as described in claim 1, it is characterised in that: the heat exchange shell (3) is by least
Piece hose (5) bending is made, and the hose (5) includes at least one pipeline, when the quantity of the pipeline is two
When root or two or more, removably connected between adjacent two root canal road by jointing.
4. christmas tree circulating heater as described in claim 1, it is characterised in that: the heat exchange shell (3) and gas production
Set (4) external shape fits.
5. christmas tree circulating heater as described in claim 1, it is characterised in that: further include insulation shell (6), the guarantor
Warm shell (6) removably setting the heat exchange shell (3) outside, insulation shell (6) shape and christmas tree (4) shape
Adaptation.
6. christmas tree circulating heater as described in claim 1, it is characterised in that: the hot-water supply device includes heating
Water jacket furnace (1) is removably provided with the water inlet pipe (7) being connected to the water stream channel on heating water jacket's furnace (1) and goes out
Water pipe (8), the water inlet pipe (7) and outlet pipe (8) extend respectively in the water space of heating water jacket's furnace (1).
7. christmas tree circulating heater as claimed in claim 6, it is characterised in that: in heating water jacket's furnace (1), institute
The nozzle for stating outlet pipe (8) is located above the nozzle of the water inlet pipe (7).
8. christmas tree circulating heater as described in claim 1, it is characterised in that: the quantity of the power mechanism is at least
Two, the power mechanism is connected in parallel.
9. christmas tree circulating heater as claimed in claim 5, it is characterised in that: the heat exchange shell (3) is by metal
Material is made, and the insulation shell (6) is made by thermal insulation material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821393776.4U CN208669273U (en) | 2018-08-28 | 2018-08-28 | A kind of natural gas well christmas tree circulating heater |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821393776.4U CN208669273U (en) | 2018-08-28 | 2018-08-28 | A kind of natural gas well christmas tree circulating heater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110863797A (en) * | 2018-08-28 | 2020-03-06 | 中国石油化工股份有限公司 | Natural gas well gas production tree circulating heating device and using method thereof |
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2018
- 2018-08-28 CN CN201821393776.4U patent/CN208669273U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110863797A (en) * | 2018-08-28 | 2020-03-06 | 中国石油化工股份有限公司 | Natural gas well gas production tree circulating heating device and using method thereof |
| CN110863797B (en) * | 2018-08-28 | 2023-09-26 | 中国石油化工股份有限公司 | Natural gas well gas production tree circulation heating device and application method thereof |
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