CN209145562U - A kind of device of gas-lift production well Paraffin Removal - Google Patents
A kind of device of gas-lift production well Paraffin Removal Download PDFInfo
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- CN209145562U CN209145562U CN201822016062.8U CN201822016062U CN209145562U CN 209145562 U CN209145562 U CN 209145562U CN 201822016062 U CN201822016062 U CN 201822016062U CN 209145562 U CN209145562 U CN 209145562U
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Abstract
The utility model discloses a kind of device of gas-lift production well Paraffin Removal, it is used to be coupled with four ram preventers of well head, described device includes: coiled tubing and continuous insulating tube；The continuous insulating tube open at one end simultaneously stretches in coiled tubing, stretches between the continuous insulating tube in coiled tubing and the inner wall of coiled tubing and forms annular space, and the other end of continuous insulating tube is connect by being discharged pipeline with boiler；The coiled tubing it is closed at one end, between the other end of coiled tubing and continuous insulating tube be equipped with sealer；Water outlet is equipped on the coiled tubing below the sealer, the water outlet is successively connect with circulating pump and boiler by return piping.The utility model can overcome defect in the prior art, can guarantee the high efficiency and stability of gas-lift production well Paraffin Removal in the case where oil well without stop produces, will not be to introducing new problem in well convenient for operation, and lower production costs.
Description
Technical field
The utility model relates to oilfield exploitation technical fields, and in particular to a kind of device of gas-lift production well Paraffin Removal.
Background technique
Wax is the hydrocarbons of C15-C70, including n-alkane, isoparaffin, cycloalkane and aromatic hydrocarbon.Oil field wax, which removes, to be contained
Outside solid alkane, also containing oil and other materials, such as colloid, asphalitine.Wax deposit (being commonly called as wax deposition) refers in crude oil
Wax crystallization is precipitated and is deposited on tube wall together with the other components in crude oil, reduces oil pipe circulation area, crude oil flow resistance
Power increases, and reduces through flow, blocking is generated when serious.Since formation temperature is low, crude oil wax precipitation temperature is high, causes producing well oily
Tube wall wax deposition problem is serious.
Existing Paraffin Removal technology specifically include that mechanical paraffin removal technology, physics wax removal technology, paraffin removing with chemical method technology and its
He assists four major class such as Paraffin Removal technology, based on mechanical paraffin removal technology, physics wax removal technology.Wherein, mechanical paraffin removal is to utilize
Paraffin scraper strikes off the wax of oil well oil conduit tube wall deposition.Its advantage is that operation is convenient, wax removal effect is good, does not influence rod-pumped well, gas
Lift well, flowing well production；The disadvantage is that high labor cost, influence production time efficiency, pit shaft junk influence.Physics wax control includes that hot wash is clear
Wax and electrothermal paraffin removal, the former passes through the injection fluids such as hot water or hot oil.Temperature in wellbore can be effectively improved, wax removal ratio is more thoroughly.
Oil-producing well high suitable for stratum energy, feed flow is sufficient, oil reservoir buried depth less (is less than 2000m).The disadvantage is that well-flushing medium is used
Amount is big, has potential harm to oil well productivity.It is not suitable for that deep-well, layer are thin, shake out, formation depletion and gas-lift well.The latter is to pass through
Cable or oil tube heating improve fluid temperature (F.T.) to wax precipitation point or more.Advantage is can directly to improve wellbore fluids temperature to be higher than analysis wax
Point, the disadvantage is that electric power safeguard need to be provided.
Conventional gas-lift production is typically all to be realized by matched gaslift flow string, gas lift valve and control air source equipment
Crude oil lifting.It is successively injected natural gas in oil pipe by tubing-mounted gas lift valve, make liquid in oil pipe with
The gas mixing of injection, reduces the density of fluid column, thus make the reduction of fluid column weight, the continuous injection well bottom of crude oil in oil reservoir, and
Given rise to ground.Recently as gas-lift production technology being widely used in oil field, technology is constantly mature.But gas-lift production well
Wax deposition phenomenon is serious, clears up anti-ceroplastic and has the following problems:
First is that due to injecting high-pressure natural gas in casing in production process, while oil pipe is also high-pressure oil flow, causes machinery
Accidents, the operational risks such as wax removal is at high cost, Yi Fasheng falls, blocks are big；Second is that hot-washing wax remover can not be carried out without return flow line；Third is that
Along with high-pressure natural gas in gas-lift well production process, there is very big security risk in the techniques such as electric heating oil pipe paraffin removal；Fourth is that existing
There is paraffin remover that can be swollen the rubber seal of gas lift valve and block gas lift valve；Fifth is that the waxy carbon number of paraffin-troubled well is higher, condensation point
It is high.Therefore, gas-lift production well Paraffin Removal is relatively more difficult.
Utility model content
The purpose of the utility model is to provide a kind of devices of gas-lift production well Paraffin Removal, can overcome in the prior art
Defect can guarantee the high efficiency and stability of gas-lift production well Paraffin Removal in the case where oil well without stop produces, convenient for operation, and
Lower production costs, will not be to introducing new problem in well.
To achieve the above objectives, the present invention adopts the following technical solutions:
A kind of device of gas-lift production well Paraffin Removal is used to be coupled with four ram preventers of well head, the dress
Set includes: coiled tubing and continuous insulating tube；The continuous insulating tube open at one end simultaneously stretches in coiled tubing, stretches to
Annular space is formed between continuous insulating tube in coiled tubing and the inner wall of coiled tubing, the other end of continuous insulating tube passes through water outlet
Pipeline is connect with boiler；
The coiled tubing it is closed at one end, between the other end of coiled tubing and continuous insulating tube be equipped with sealer；?
Coiled tubing below the sealer is equipped with water outlet, the water outlet by return piping successively with circulating pump and boiler
Connection.
The size of coiled tubing, the size of continuous insulating tube stretch to continuous insulating tube in coiled tubing and continuous oil
The annular clearance that annular space is formed between the inner wall of pipe is provided by Optimal design and calculation.
The ring of annular space is formed preferably, stretching between the continuous insulating tube in coiled tubing and the inner wall of coiled tubing
Empty gap is 10-20mm.
Preferably, the size of the coiled tubing is Φ (30-40) mm × (2-4) mm, the size of continuous insulating tube is
Φ(15-25)mm×(1-2)mm。
Preferably, the boiler is gas-fired heater, using natural gas as fuel.
Preferably, the circulating pump uses in the case where there is power supply and does power with electricity；In power free situation,
Hot water is driven to recycle between boiler, pit shaft using live working gas as reciprocating pump power source using Pneumatic reciprocating pump.
Preferably, the flow of the Pneumatic reciprocating pump is 1.3m3/h-225m3/h。
Further, the coiled tubing be equipped with table interface of pressure and temp teletransmission, and respectively with distance-transmission pressure gauge
It is connected with teletransmission thermometer.
Further, the distance-transmission pressure gauge, teletransmission thermometer, circulating pump and boiler are connect with controller respectively；According to
Oil well thermic load regulates and controls temperature, hot water flow etc..
The method for carrying out gas-lift production well Paraffin Removal using above-mentioned apparatus, comprising the following steps:
(1) according to specific gas-lift production well relevant parameter and requirement, the size of continuous insulating tube and coiled tubing is designed；Root
Liquid temperature requirement, well depth under progress thermodynamic metering, matching pot stove heating power, continuous insulating tube and coiled tubing are produced according to well head
Degree；
(2) continuous insulating tube is penetrated in coiled tubing, makes one, it then will be under the closed one end of coiled tubing
Enter to gas-lift well production tube, forms annular space between the outer wall of coiled tubing and the inner wall of gas-lift well production tube；
(3) boiler is connect by water outlet pipeline with continuous insulating tube, the water outlet of coiled tubing pass through return piping according to
It is secondary to be connect with circulating pump and boiler；Set temperature is heated water to by boiler, pipeline is discharged and flowed into continuous insulating tube,
Hot water is sent to coiled tubing bottom by continuous insulating tube, under the action of circulating pump, water is from continuous insulating tube and coiled tubing
Between annular space from the water outlet of coiled tubing flow out, be back in boiler through return piping, formed circulation；In cyclic process
The heat of hot water, which is persistently passed to crude oil, makes its temperature be higher than wax precipitation point, to realize gas-lift production well Paraffin Removal.
Preferably, in step (1), the gas-lift production well relevant parameter and require to include: day liquid, day is oily, aqueous, wax deposition
Point, water type and tubular column structure.
Preferably, in step (2), the ring of annular space is formed between the outer wall of coiled tubing and the inner wall of gas-lift well production tube
Empty gap is 10-12mm.
The utility model has the beneficial effects that
(1) the gas-lift production well paraffin removal and control method of the utility model is compared with electric heating, closed hot water circulation heated wax control
Technique does not need power supply, takes full advantage of the working gas at gas-lift well scene, does not need operation, saves the electricity charge and job execution expense
With；And Paraffin Removal excellent effect.
(2) the gas-lift production well paraffin removal and control method of the utility model can pressure, temperature, hot water flow to device etc. it is important
The remote adjustment of parameter, monitoring, protection alarm.Daily maintenance, operating cost are lower.
Detailed description of the invention
Fig. 1: the structural schematic diagram of the device of the gas-lift production well Paraffin Removal of the utility model；Wherein, 1- gaslift casing,
2- gas-lift well production tube, 3- coiled tubing, the continuous insulating tube of 4-, table interface of 5- pressure and temp teletransmission, 6- well head and company
Continuous four ram preventers of the seal of tube, the sealer between 7- coiled tubing and continuous insulating tube, 8- are discharged pipeline 9- gas-fired boiler
Furnace, 10- return piping, 11- circulating pump.
Fig. 2: it stretches between the continuous insulating tube in coiled tubing and the inner wall of coiled tubing and forms the annular space of annular space
Gap schematic diagram；Wherein, 3- coiled tubing, the continuous insulating tube of 4-, d- annular clearance.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
Term explanation:
Annular clearance: refer to the difference between the internal diameter of outer tube and the outer diameter of inner tube.It is stretched in the utility model continuous
Formed between continuous insulating tube in oil pipe and the inner wall of coiled tubing annular space annular clearance refer to the internal diameter of coiled tubing with
Difference d (as shown in Figure 2) between the outer diameter of continuous insulating tube, wherein the section of coiled tubing and continuous insulating tube is concentric
Circle.The annular clearance that annular space is formed between the outer wall of coiled tubing and the inner wall of gas-lift well production tube refers to gas-lift well production oil
Difference between the internal diameter of pipe and the outer diameter of coiled tubing, wherein the section of coiled tubing and gas-lift well production tube is concentric
Circle.
The size of coiled tubing be Φ (30-40) mm × (2-4) mm, expression be coiled tubing outer diameter be (30-40)
Mm, the wall thickness of pipe are (2-4) mm；
The size of continuous insulating tube is Φ (15-25) mm × (1-2) mm, and expression be the outer diameter of continuous insulating tube is (15-
25) mm, the wall thickness of pipe are (1-2) mm.
As background technology part is introduced, gas-lift production well wax deposition phenomenon is serious, and the existing anti-ceroplastic of cleaning is deposited
In problems, it is based on this, the utility model is based on " sealing and circulating anti-wax technique ", and to devise a kind of new gas-lift production well clear
The device of wax control.
The device of the gas-lift production well Paraffin Removal of the utility model can cooperate with four ram preventers of well head and pacify
Dress, described device includes: coiled tubing and continuous insulating tube；The continuous insulating tube open at one end simultaneously stretches to coiled tubing
It is interior, stretch between the continuous insulating tube in coiled tubing and the inner wall of coiled tubing and form annular space, continuous insulating tube it is another
End is connect by being discharged pipeline with boiler；
The coiled tubing it is closed at one end, between the other end of coiled tubing and continuous insulating tube be equipped with sealer；?
Coiled tubing below the sealer is equipped with water outlet, the water outlet by return piping successively with circulating pump and boiler
Connection.
The size of coiled tubing, the size of continuous insulating tube stretch to continuous insulating tube in coiled tubing and continuous oil
The annular clearance that annular space is formed between the inner wall of pipe is provided by Optimal design and calculation.Especially stretch to the company in coiled tubing
The size design for the annular clearance for forming annular space between continuous insulating tube and the inner wall of coiled tubing is particularly critical, due to the annular space
Gap is the channel of hot water return, therefore directly influences heat exchange efficiency.It finds, is stretched in coiled tubing through multiple design experiment
Continuous insulating tube and coiled tubing inner wall between formed annular space annular clearance be 10-20mm when, heat transfer effect is best.
In a kind of embodiment of the utility model, the method for the gas-lift production well Paraffin Removal provided is as follows:
1, calculation optimization: according to the related parameter of the specific oil well in oil field and requirement, such as day liquid, day is oily, aqueous, wax deposition point, water
Type, tubular column structure etc. design size, the model of mating continuous pipe and instlated tubular used in " sealing and circulating anti-wax technique ".According to well
Mouth produces liquid temperature requirement, carries out thermodynamic metering, matching pot stove heating power, tubing string depth of falling well, and the shadow to gaslift fluid
The parameters such as sound, write design scheme.If implementing a set of boiler to multiple wells heat protocol, optimize boiler, pipeline process etc..
2, equipment processing, assembling: the technology device therefor includes gas type boiler, circulation inner and outer pipes, wellhead sealing zero
Part, automatic control device etc..According to calculating early period, optimum results, corollary equipment technical parameter is determined, and carry out integrated combination.
3, tubular column structure is completed to assemble in factory, that is, forms the poling, interior of coiled tubing (outer) and continuous insulating tube (interior)
Outer tube coil pipe and integrated；
4, scene uses continuous pipe injection technique, and two-tube (coiled tubing and continuous insulating tube) is lowered into gas with injection head
It lifts in well production tube, forms annular space between the outer wall of coiled tubing and the inner wall of gas-lift well production tube.Injection head is by chain
Draw assembly, gooseneck and injection head frame composition.Production wellhead and coiled tubing are sealed using four ram preventers；Even
It is sealed between continuous oil pipe and continuous insulating tube by sealer, forms closed-cycle system.
If 5, gas-lift well scene is without power supply, do reciprocal pump power using live natural gas, driving hot water boiler,
It is recycled between pit shaft.Pneumatic reciprocating pump is twin-tub, double acting, horizontal pump, changes and is directly driven by natural gas.
6, gas-fired heater fuel uses natural gas, according to wax deposition point, after determining oil well outlet minimum temperature, premenstruum (premenstrua) heat
Work calculates, and determines oil well thermic load, selects heating furnace power.Temperature, hot water flow etc. are regulated and controled with control device.Regulation
Installation's power source is by storage battery power supply.
The course of work of the gas-lift production well Paraffin Removal of the utility model are as follows: heated water by boiler (gas-fired heater)
To set temperature, it is discharged pipeline and is flowed into continuous insulating tube, sent hot water to coiled tubing bottom by continuous insulating tube,
Under the action of circulating pump, water outlet outflow of the water from the annular space between continuous insulating tube and coiled tubing from coiled tubing, through returning
Water pipeline is back in boiler, forms circulation；The heat of hot water, which is persistently passed to crude oil, in cyclic process keeps its temperature high
In wax precipitation point, to realize gas-lift production well Paraffin Removal.
Between the outer wall of coiled tubing and the inner wall of gas-lift well production tube formed annular space annular clearance size for
The effect of gas-lift production well Paraffin Removal is very crucial, if annular clearance is undersized, can be caused to gas-lift well oil production
Adverse effect；If annular space interval is oversized, heat exchange efficiency can be reduced by having, and be had an adverse effect to the effect of Paraffin Removal.Through
Comprehensively consider and found with test of many times, forms the annular space of annular space between the outer wall of coiled tubing and the inner wall of gas-lift well production tube
When gap is 10-12mm, while not influencing gas-lift well oil production, the effect of Paraffin Removal is best.
The device of the gas-lift production well Paraffin Removal of the utility model, can make full use of the condition of gas-lift well production scene,
It can guarantee the high efficiency and stability of gas-lift production well Paraffin Removal in the case where oil well without stop produces, convenient for operation, and produce
Cost is relatively low, will not be to introducing new problem in well.It is after tested, practical new using this for the gas-lift production well of areal
The device and method of type can remove 95% or more the wax being deposited on oil pipe tube wall compared with not using, and prevent the heavy of new wax
Product.With it is existing production tube outer wall carry out heating paraffin removal method compared with, paraffin removal effect improves 40% or more.
In order to enable those skilled in the art can clearly understand the technical solution of the application, below with reference to tool
The technical solution of the application is described in detail in the embodiment of body.
Test material used in the utility model embodiment is the test material of this field routine, can pass through business
Channel is commercially available.The experimental method that detailed conditions are not specified is according to conventional methods or according to behaviour proposed by supplier
Explain book progress.
Embodiment 1:
A kind of device of gas-lift production well Paraffin Removal, structure is as shown in Figure 1, it is used for four ram preventers with well head
6 are coupled, and described device includes: coiled tubing 3 and continuous insulating tube 4；The continuous insulating tube 4 open at one end is simultaneously stretched
Enter to coiled tubing 3, stretch between the continuous insulating tube 4 in coiled tubing 3 and the inner wall of coiled tubing 3 and form annular space,
The annular clearance of annular space is 10-12mm；The other end of continuous insulating tube 4 is connect by being discharged pipeline 8 with boiler 9；
The coiled tubing 3 it is closed at one end, between the other end of coiled tubing 3 and continuous insulating tube 4 be equipped with sealer
7；On the coiled tubing 3 below the sealer 7 be equipped with water outlet, the water outlet by return piping 10 successively with circulation
Pump 11 and boiler 9 connect.
The boiler is gas-fired heater, using natural gas as fuel.
The circulating pump is Pneumatic reciprocating pump, does reciprocal pump power using live natural gas, drives hot water in boiler, pit shaft
Between recycle.The flow of the Pneumatic reciprocating pump is 1.3m3/h-225m3/h。
The method for carrying out gas-lift production well Paraffin Removal using above-mentioned apparatus, comprising the following steps:
(1) according to specific gas-lift production well relevant parameter and requirement, the size of continuous insulating tube and coiled tubing is designed；Root
Liquid temperature requirement, well depth under progress thermodynamic metering, matching pot stove heating power, continuous insulating tube and coiled tubing are produced according to well head
Degree.
(2) continuous insulating tube is penetrated in coiled tubing in workshop, makes one, then disk enters coiled tubing
On capstan winch, with coiled tubing tripping in device and step when construction, disposably by its tripping in gaslift production tube, which can be real
Do not stop production now construction.Annular space is formed between the outer wall of coiled tubing and the inner wall of gas-lift well production tube.
(3) boiler is connect by water outlet pipeline with continuous insulating tube, the water outlet of coiled tubing pass through return piping according to
It is secondary to be connect with circulating pump and boiler；Set temperature is heated water to by boiler, pipeline is discharged and flowed into continuous insulating tube,
Hot water is sent to coiled tubing bottom by continuous insulating tube, under the action of circulating pump, water is from continuous insulating tube and coiled tubing
Between annular space from the water outlet of coiled tubing flow out, be back in boiler through return piping, formed circulation；In cyclic process
The heat of hot water, which is persistently passed to crude oil, makes its temperature be higher than wax precipitation point, to realize gas-lift production well Paraffin Removal.
Embodiment 2:
By taking certain oil field as an example:
(1) oil field overview
Certain crude oil paraffin content 37%；Wherein saturated hydrocarbons 80%, aromatic hydrocarbon 12%, asphalitine 6%；Wax content in crude oil
34.4-38.6%；Wax precipitation point: 47.5 DEG C；Wax deposition position: between 600-1000m；Production method: it is recovered the oil using semiclosed gas lift
Technique.Average day oil-producing 22.6t, produces water 39m daily3, comprehensive water cut 63.5%.To sum up data analyse wax as it can be seen that wax content in crude oil is high
Temperature is high, pour point is high, and formation temperature is low (50 DEG C), and the feature of " three high and one low " causes oil field wax deposition problem serious, largely
On constrain oilfield economic Efficient Development.
(2) tentative programme
Matched thinking:
1, the mating continuous insulating tube of Φ 38mm × 3mm coiled tubing+Φ 24mm × 1.3mm of pit shaft；
2, when the non-transformer of well site, water is heated using heated by natural gas device, with gas (natural gas) power pump cycling hot
Water.
Matched technique includes:
1), continuous pipe
1, circulation outer tube uses Φ 38mm × 3mm coiled tubing, and inner tube is (resistance to using the continuous insulating tube of Φ 24mm × 1.3mm
120 DEG C of temperature, 240 DEG C of the limit).
2, the annular space between production tube and coiled tubing can meet production requirement having a size of 12mm.
2), continuous pipe tripping in
It is 2 according to tripping in oil pipe7/8Tubing string, design inner and outer pipes are altered together when dispatching from the factory, and save tripping in workload.Using even
Continuous four chain injection head tripping in together of oil pipe.Injection head is made of chain traction assembly, gooseneck and injection head frame.
3), Pneumatic reciprocating pump
Reciprocal pump power is done using live natural gas, driving hot water recycles between boiler, pit shaft.Pneumatic reciprocating pump is double
Cylinder, double acting, horizontal pump, change and are directly driven by natural gas.Mechanical structure can gas-distributing cylinder part and fluid cylinder part, You Zhongjie be connected in
Together, centre frame is above middle section.
A) reciprocal pump discharge.Under any discharge pressure, the flow of reciprocating pump is basically unchanged.It can be by replacing cylinder sleeve size
(pump type) adjusts stroke, significantly adjusts flow.
B) reciprocal pump pressure.The actual motion pressure of reciprocating pump is related with system pipeline, the back pressure depending on pipe-line system.
As long as driving the power of gas, pump itself and pipeline material intensity enough, theoretically, the discharge pressure of reciprocating pump can nothing
Limit for height, adaptation range are big.
Pneumatic reciprocating pump is suitable for boiler feedwater, mine drainage and transfer oil product or neutral liquid.According to not cocurrent flow
The requirement of amount has 12 kinds of specifications, flow minimum 1.3m3/ h, maximum 225m3/h.Can be according to oilwell produced fluid amount, it is suitable to select
Specification, model.Meanwhile with the variation of Liquid output and wellhead temperature, by adjusting stroke, the row of reciprocating pump is significantly adjusted
Amount ensures that wellbore fluids temperature is higher than wax precipitation point.
4), gas-fired heater
Fuel: natural gas
Thermic load: according to oil well thermic load, selection one furnace, one well or two well of a furnace are calculated.
5) it, controls
According to oil well thermic load, temperature, hot water flow etc. are regulated and controled.
Regulation device power supply: by storage battery power supply.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (8)
1. a kind of device of gas-lift production well Paraffin Removal is used to be coupled with four ram preventers of well head, feature exists
In described device includes: coiled tubing and continuous insulating tube；The continuous insulating tube open at one end simultaneously stretches to coiled tubing
It is interior, stretch between the continuous insulating tube in coiled tubing and the inner wall of coiled tubing and form annular space, continuous insulating tube it is another
End is connect by being discharged pipeline with boiler；
The coiled tubing it is closed at one end, between the other end of coiled tubing and continuous insulating tube be equipped with sealer；Described
Coiled tubing below sealer is equipped with water outlet, and the water outlet is successively connected with circulating pump and boiler by return piping
It connects.
2. the apparatus according to claim 1, which is characterized in that stretch to the continuous insulating tube and continuous oil in coiled tubing
The annular clearance that annular space is formed between the inner wall of pipe is 10-20mm.
3. the apparatus according to claim 1, which is characterized in that the size of the coiled tubing is Φ (30-40) mm × (2-
4) mm, the size of continuous insulating tube are Φ (15-25) mm × (1-2) mm.
4. the apparatus according to claim 1, which is characterized in that the boiler is gas-fired heater, using natural gas as combustion
Material.
5. the apparatus according to claim 1, which is characterized in that the circulating pump is done in the case where there is power supply with electricity
Power；In power free situation, using Pneumatic reciprocating pump, using live working gas as Pneumatic reciprocating pump power source.
6. device according to claim 5, which is characterized in that the flow of the Pneumatic reciprocating pump is 1.3m3/h-225m3/
h。
7. the apparatus according to claim 1, which is characterized in that the coiled tubing is equipped with table of pressure and temp teletransmission
Interface, and connect respectively with distance-transmission pressure gauge and teletransmission thermometer.
8. device according to claim 7, which is characterized in that the distance-transmission pressure gauge, teletransmission thermometer, circulating pump and pot
Furnace is connect with controller respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822016062.8U CN209145562U (en) | 2018-12-04 | 2018-12-04 | A kind of device of gas-lift production well Paraffin Removal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822016062.8U CN209145562U (en) | 2018-12-04 | 2018-12-04 | A kind of device of gas-lift production well Paraffin Removal |
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| CN209145562U true CN209145562U (en) | 2019-07-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441400A (en) * | 2018-12-04 | 2019-03-08 | 山东石大油田技术服务股份有限公司 | A kind of device and method of gas-lift production well Paraffin Removal |
-
2018
- 2018-12-04 CN CN201822016062.8U patent/CN209145562U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441400A (en) * | 2018-12-04 | 2019-03-08 | 山东石大油田技术服务股份有限公司 | A kind of device and method of gas-lift production well Paraffin Removal |
| CN109441400B (en) * | 2018-12-04 | 2024-05-14 | 山东石大油田技术服务股份有限公司 | Device and method for removing and preventing wax of gas lift oil production well |
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