CN205532487U - Clear wax -proof equipment of oil well - Google Patents

Clear wax -proof equipment of oil well Download PDF

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Publication number
CN205532487U
CN205532487U CN201620312481.4U CN201620312481U CN205532487U CN 205532487 U CN205532487 U CN 205532487U CN 201620312481 U CN201620312481 U CN 201620312481U CN 205532487 U CN205532487 U CN 205532487U
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China
Prior art keywords
pipe
well
oil
remove
water supply
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CN201620312481.4U
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Chinese (zh)
Inventor
孙振宇
刘锦
张成博
马振
宋阳
姜佳悦
史东坡
于晓聪
吕孝明
卢丽丝
李辉
刘佩衡
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China Petroleum and Natural Gas Co Ltd
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China Petroleum and Natural Gas Co Ltd
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Priority to CN201620312481.4U priority Critical patent/CN205532487U/en
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Abstract

The utility model provides a clear wax -proof equipment of oil well, its temperature that is arranged in improving oil well crude oil prevents that crude oil from analysing wax, it includes: water supply mechanism, circulation mechanism and play water mechanism. Water supply mechanism is used for providing the water that is greater than the crude oil temperature for clear wax -proof equipment of oil well. Circulation mechanism sets up extends predetermined length in the oil well and in the oil well, it is linked together with water supply mechanism to make water move at circulation mechanism internal flow, and then feasible circulation mechanism provide the heat for crude oil. It is linked together with circulation mechanism to go out water mechanism to make log raft play in the circulation mechanism. The utility model discloses a circulation mechanism carries out the circulation flow with the hot water that water supply mechanism provided in the oil well to treat the crude oil of extraction in the heating oil well, and then make the temperature of crude oil rise, solve crude oil and analyse the problem of wax when the temperature is lower. And compare in electric heating methods and has practiced thrift the electric energy, make full use of in the oily station hydrothermal heat of abandonment.

Description

Control and remove of well paraffin device
Technical field
This utility model relate to technical field of petroleum extraction, particularly to a kind of control and remove of well paraffin device.
Background technology
In oil extraction process, the paraffin in crude oil is typically dissolved in crude oil when stratum.When crude oil is from ground In Ceng mined time, along with the reduction of temperature and pressure, and the volatilization of the light components in crude oil, former The problem that oil can run into analysis wax.For the characteristic that crude oil is extremely sensitive to temperature, at present for preventing crude oil from analysing wax, Electric heating would generally be used in oil well to avoid the crude oil analysis wax in pit shaft.
Such as Chinese utility model patent CN200620021413.9 discloses a kind of electricity applied in oil well and adds Hot pin, it includes tubular metallic heating element and the insulator being wrapped on metallic heating element outer wall And copper pillar;On insulator, the lower end of copper pillar connects copper protective pipe sleeve with the lower end of metallic heating element Touch.Although this electrically heated rod can realize the purpose without bar oil pumping control and remove of well paraffin, but Electric heating consumes Electricity is big, is unfavorable for saving the energy.
Utility model content
In order to overcome the drawbacks described above of prior art, technical problem to be solved in the utility model is to provide one Kind of control and remove of well paraffin device, it can solve the technical problem of crude oil analysis wax in oil well.
Concrete technical scheme of the present utility model is:
This utility model provides a kind of control and remove of well paraffin device, and it is for improving the temperature of oil well Crude Oil, anti- Only wax analysed by crude oil, and it includes:
Water supply mechanism, described water supply mechanism is for providing more than described crude oil temperature for described control and remove of well paraffin device The water of degree;
Be arranged in described oil well and along the cycling mechanism of described oil well longitudinally definite length extended, its with Described water supply mechanism is connected, so that described water flows in described cycling mechanism, and then follows described in making Ring mechanism provides heat for described crude oil;
Discharge mechanism, it is connected with described cycling mechanism, so that the water in described cycling mechanism is discharged.
In one preferred embodiment, described cycling mechanism includes: the first pipe of bottom end closure, and The second pipe that in being set in described first pipe and bottom is open, described second pipe is connected with described water supply mechanism, Described first pipe is connected with discharge mechanism.
In one preferred embodiment, described cycling mechanism includes: the first pipe of bottom end closure, and The second pipe that in being set in described first pipe and bottom is open, described first pipe is connected with described water supply mechanism, Described second pipe is connected with discharge mechanism.
In one preferred embodiment, described first pipe bottom and the longitudinal pitch of described second pipe bottom For 3m.
In one preferred embodiment, described water supply mechanism includes feed pipe and is arranged on described confession The first valve on water pipe, described first valve is for controlling the break-make of described feed pipe.
In one preferred embodiment, described discharge mechanism includes outlet pipe and goes out described in being arranged on The second valve on water pipe, described second valve is for controlling the break-make of described outlet pipe.
In one preferred embodiment, described outlet pipe is additionally provided with the described water outlet in-pipe flow of restriction The ball-and-seat in direction.
In one preferred embodiment, described control and remove of well paraffin device also includes being connected with described oil well For the Produced Liquid of oil well being discharged the drainage mechanism of described oil well, described drainage mechanism and described discharge mechanism It is connected, described drainage mechanism is additionally provided with the 3rd valve controlling oil well produced liquid extraction.
In one preferred embodiment, described drainage mechanism is connected by the 4th valve with described water supply mechanism Logical.
In one preferred embodiment, described cycling mechanism is connected with the caput Equi Asini of oil pumper by polished rod, So that described caput Equi Asini drives described cycling mechanism to move up and down in described oil well, and then make described circulation Mechanism is the crude oil heat tracing of described oil pumper extraction.
In one preferred embodiment, described water supply mechanism, described cycling mechanism, described discharge mechanism, And described polished rod is connected by union joint.
In one preferred embodiment, described control and remove of well paraffin device also includes that being arranged on well head prevents well The sealer of lower Produced Liquid ejection.
Embodiment in this utility model, by said structure, has the advantage that this utility model passes through to follow The hot water that water supply mechanism is provided by ring mechanism is circulated flowing in oil well, to treat extraction in adding hot oil wells Crude oil, and then the temperature of crude oil is raised, solve the problem that wax analysed by crude oil when temperature is relatively low.And phase Electric energy has been saved, the heat of discarded hot water in taking full advantage of petrol station compared with Electric heating.
With reference to explanation hereinafter and accompanying drawing, disclose in detail the particular implementation of the application, specify this Shen Principle please can be in adopted mode.It should be understood that presently filed embodiment in scope not thus It is restricted.In the range of the spirit and terms of claims, presently filed embodiment includes perhaps Change more, revise and be equal to.
The feature described for a kind of embodiment and/or illustrate can be in same or similar mode at one Or more other embodiment uses, combined with the feature in other embodiment, or substitute other Feature in embodiment.
It should be emphasized that term " includes/comprises " referring to when using feature, one integral piece, step or assembly herein Exist, but be not precluded from the existence of one or more further feature, one integral piece, step or assembly or additional.
Accompanying drawing explanation
Below in conjunction with the accompanying drawing in the application embodiment, the technical scheme in the application embodiment is entered Row clearly and completely describes, it is clear that described embodiment is only a part of embodiment of the application, Rather than whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not having Have and make the every other embodiment obtained under creative work premise, broadly fall into the model of the application protection Enclose.
It should be noted that when element is referred to as " being arranged at " another element, and it can be directly at another On individual element or element placed in the middle can also be there is.When an element is considered as " connection " another yuan Part, it can be directly to another element or may be simultaneously present centering elements.Used herein Term " vertical ", " level ", "left", "right" and similar statement simply to illustrate that mesh , being not offered as is unique embodiment.
Unless otherwise defined, all of technology used herein and scientific terminology and the technology belonging to the application The implication that the technical staff in field is generally understood that is identical.Art used in the description of the present application herein Language is intended merely to describe the purpose of specific embodiment, it is not intended that in limiting the application.Used herein Term "and/or" include the arbitrary and all of combination of one or more relevant Listed Items.
Fig. 1 shows the structural representation of control and remove of well paraffin device of the present utility model;
Fig. 2 shows the structural representation of this utility model cycling mechanism.
The reference of the figures above: 1, water supply mechanism;11, feed pipe;12, the first valve;2, circulation Mechanism;21, the first pipe;22, the second pipe;3, discharge mechanism;31, outlet pipe;32, the second valve;33、 Check valve;4, drainage mechanism;41, the 3rd valve;5, the 4th valve;6, polished rod;7, pumping unit horsehead;8、 Union joint;9, sealer.
Detailed description of the invention
In conjunction with accompanying drawing and the description of this utility model detailed description of the invention, it is possible to clearly understand this practicality Novel details.But, detailed description of the invention of the present utility model described here, it is only used for explaining this reality By novel purpose, and can not be understood as by any way is to restriction of the present utility model.New in this practicality Under the teaching of type, technical staff is it is contemplated that based on the most possible deformation of the present utility model, these are all answered It is considered to belong to scope of the present utility model.
As it is shown in figure 1, this utility model provides a kind of control and remove of well paraffin device, it is used for improving in oil well The temperature of crude oil, prevents crude oil from analysing wax, and it includes: water supply mechanism 1, cycling mechanism 2 and discharge mechanism 3.Described water supply mechanism 1 is for providing the water more than described crude oil temperature for described control and remove of well paraffin device.Follow In ring mechanism 2 is arranged on described oil well and along described oil well longitudinally definite length extended, itself and described confession Water mechanism 1 is connected, so that described hot water flows in described cycling mechanism 2, and then follows described in making Ring mechanism 2 provides heat for described crude oil.Discharge mechanism 3 is connected with described cycling mechanism 2, so that Water in described cycling mechanism 2 is discharged.
In the present embodiment, water supply mechanism 1 is connected with multi-purpose station by feed pipe 11.In use, The water that multi-purpose station separates can supply the water supply mechanism 1 to control and remove of well paraffin device.Those skilled in the art can To be interpreted as, the temperature of the water that multi-purpose station separates is typically larger than the temperature of downhole crude.Specifically, water supplying machine The temperature of the water that structure 1 provides is typically at 80 DEG C.
The predetermined length of the inside and extension that are set in oil well due to cycling mechanism 2 is 1200m, hence with The water more than crude oil temperature that water supply mechanism 1 can be provided by cycling mechanism 2 is circulated flowing in oil well, To increase the hot water in cycling mechanism 2 and original time of contact and contact area, and then treat in adding hot oil wells The crude oil of extraction so that the temperature of crude oil raises, solves the problem that wax analysed by crude oil when temperature is relatively low.Circulation After mechanism 2 circulating hot water, the water after circulation is discharged by discharge mechanism 3.This add hot oil wells Crude Oil Mode saved electric energy compared to Electric heating, take full advantage of the heat of discarded hot water in petrol station.
In a specific embodiment, referring to accompanying drawing 2, described cycling mechanism 2 includes: bottom is sealed The first pipe 21 closed, and the second pipe 22 that in being set in described first pipe 21 and bottom is open, described the Two pipes 22 are connected with described water supply mechanism 1, and described first pipe 21 is connected with discharge mechanism 3.Specifically For, cycling mechanism 2 is double hollow body that the second pipe 22 is set in the first pipe 21.Water supply mechanism 1 After providing hot water, hot water flows through the second pipe 22 of cycling mechanism 2, flow to follow through the second pipe 22 bottom end opening In first pipe 21 of ring mechanism 2, then discharge hot water through discharge mechanism 3.
Of course, the first pipe 21 of described cycling mechanism 2 is connected with described water supply mechanism 1, and described second It is also feasible that pipe 22 is connected with discharge mechanism 3.After so water supply mechanism 1 provides hot water, hot water flows through First pipe 21 of cycling mechanism 2, flow in the second pipe 22 of cycling mechanism 2 through the second pipe 22 bottom end opening, Then hot water is discharged through discharge mechanism 3.
Further, in order to keep hot water to trickle in first pipe 21 and the second pipe 22 of cycling mechanism 2 road Footpath long enough, described first pipe 21 bottom is 3m with the longitudinal pitch of described second pipe 22 bottom, so may be used So that hot water residence time long enough in the first pipe 21 or the second pipe 22, enter back into the second pipe 22 or In first pipe 21, it is ensured that the time that the hot water in cycling mechanism 2 circulates in down-hole is longer, in order to more The crude oil of extraction is treated well under heated well.
In one embodiment, described water supply mechanism 1 includes feed pipe 11 and is arranged on described water supply The first valve 12 on pipe 11, described first valve 12 is for controlling the break-make of described feed pipe 11.Specifically, First valve 12 can be selected from any one of electromagnetic valve, gate valve or regulation valve, and this is not appointed by the application What limits.
When needs control and remove of well paraffin device uses, it is necessary to make the first valve 12 open, feed pipe 11 just meeting Hot water is provided to cycling mechanism 2.Hot water through cycling mechanism 2 circulate after enter discharge mechanism 3, described in go out Water mechanism 3 includes outlet pipe 31 and the second valve 32 being arranged on described outlet pipe 31, described second Valve 32 is for controlling the break-make of described outlet pipe 31, say, that after the second valve 32 is opened, outlet pipe Water in 31 just can be discharged.It is any that second valve 32 can also be selected from electromagnetic valve, gate valve or regulation valve One, this is not limited in any way by the application.
In order to be back in cycling mechanism 2, a preferred enforcement after preventing the water circulation in outlet pipe 31 In mode, described outlet pipe 31 is additionally provided with and limits the ball-and-seat 33 of water (flow) direction in described outlet pipe 31. Ball-and-seat 33 limits the water in outlet pipe 31 can only one-way flow.
In another embodiment, described control and remove of well paraffin device also include being connected with described oil well for The Produced Liquid of oil well is discharged the drainage mechanism 4 of described oil well, described drainage mechanism 4 and described discharge mechanism 3 It is connected, described drainage mechanism 4 is additionally provided with the 3rd valve 41 controlling oil well produced liquid extraction.So set Put the water that discharge mechanism 3 can be made to discharge to discharge in the lump with oil well produced liquid, very convenient reliably.
Further, utility model people based on environmental conservation and cost-effective consideration, described drainage mechanism 4 with Described water supply mechanism 1 is connected also by the 4th valve 5.So oil well produced liquid and discharge mechanism 3 is discharged Can flow in water supply mechanism 1, with the hot water one of water supply mechanism 1 by the 4th valve 5 further after water mixing And be again introduced in cycling mechanism recycling.
In one embodiment, described cycling mechanism 2 is connected with the caput Equi Asini 7 of oil pumper by polished rod 6, So that described caput Equi Asini 7 drives described cycling mechanism 2 to move up and down in described oil well, and then make described Cycling mechanism 2 is the crude oil heat tracing of described oil pumper extraction.It is emphasized that the water supply of water supply mechanism 1 The outlet pipe 31 of pipe 11 and discharge mechanism 3 is all made up of the flexible pipe that can bear high temperature, such cycling mechanism 2 during moving up and down with caput Equi Asini 7, and feed pipe 11 and outlet pipe 31 also can the most a certain degree of fortune Dynamic.The crude oil of extraction is discharged by the annular space between the first pipe 21 and oil well inner sleeve.So can be with lateral dominance with taking out Oil machine carries out oil recovery limit and heats the crude oil of extraction, and efficiency is high.
It addition, described water supply mechanism 1, described cycling mechanism 2, described discharge mechanism 3 and described polished rod 6 are connected by union joint 8.This union joint 8 can be four-pass connecting joint.Described control and remove of well paraffin device Also include that being arranged on well head prevents the sealer 9 of down-hole Produced Liquid ejection.
In order to better illustrate control and remove of well paraffin device of the present utility model, this utility model is further described oil The using method of well Paraffin Removal device, comprises the steps:
Opening the first valve the 12, second valve 32 and the 3rd valve 41, water supply mechanism 1 provides more than crude oil temperature The water of degree, so that described water flow to the first pipe 21 of cycling mechanism 2 through the second pipe 22 of cycling mechanism 2. The water of cycling mechanism 2, after the first pipe 21 flows out, flows to discharge mechanism 3, through the ball-and-seat of discharge mechanism 3 33, the second valve 32 heel row is to the drainage mechanism 4 of oil well, with the Produced Liquid of the oil well flowed out from the 3rd valve 41 Discharge together.
In the present embodiment, when opening first valve the 12, second valve 32 and three valves 41, the first valve 12, the second valve 32 and the 3rd valve 41 can be opened simultaneously, it is also possible to first open the first valve 12, then open Opening the second valve 32 and the 3rd valve 41, this is not restricted by those skilled in the art.When the first valve 12, second After valve 32 and the 3rd valve 41, make hot water from feed pipe 11, flow to cycling mechanism 2 through union joint 8 In second pipe 22, then the opening from the second pipe 22 bottom flows to the first pipe 21 of cycling mechanism 2, from first After pipe 21 flows out, enter outlet pipe 31, flow out with from the 3rd valve 41 after ball-and-seat the 33, second valve 32 Oil well produced liquid mixing after discharged in the lump by drainage mechanism 4.According to the needs of production scene, can be at any time Opening the 4th valve 5, the liquid after discharge can also recycle in the 4th valve 5 enters feed pipe 11 again.
It addition, this paraffin removal and control method for oil well can also be following steps:
Opening the first valve the 12, second valve 32 and the 3rd valve 41, water supply mechanism 1 provides more than crude oil temperature The water of degree, so that described water flow to the second pipe 22 of cycling mechanism through the first pipe 21 of cycling mechanism 2. The water of cycling mechanism 2, after the second pipe 22 flows out, flows to discharge mechanism 3, through the ball-and-seat of discharge mechanism 3 33, the second valve 32 heel row is to the drainage mechanism 4 of oil well, with the Produced Liquid of the oil well flowed out from the 3rd valve 41 Discharge together.
In the present embodiment, when opening first valve the 12, second valve 32 and three valves 41, the first valve 12, the second valve 32 and the 3rd valve 41 can be opened simultaneously, it is also possible to first open the first valve 12, then open Opening the second valve 32 and the 3rd valve 41, this is not restricted by those skilled in the art.When the first valve 12, After second valve 32 and the 3rd valve 41, make hot water from feed pipe 11, flow to cycling mechanism through union joint 8 In first pipe 21 of 2, then the opening from the second pipe 22 bottom flows to the second pipe 22 of cycling mechanism 2, from After second pipe 22 flows out, enter outlet pipe 31, after ball-and-seat the 33, second valve 32 and from the 3rd valve 41 Discharged in the lump by drainage mechanism 4 after the oil well produced liquid mixing flowed out.According to the needs of production scene, permissible Opening the 4th valve 5 at any time, the liquid after discharge can also circulate in the 4th valve 5 enters feed pipe 11 again Utilize.
The all articles disclosed in this utility model and reference material, including patent application and publication, for Various purposes are hereby incorporated by by quoting.Describe combination term " substantially by ... constitute " should include really Fixed element, composition, parts or step and essentially without its of basic novel feature affecting this combination His element, composition, parts or step.Use term " comprise " or " including " describe element here, The combination of composition, parts or step is it is also contemplated that be substantially made up of these elements, composition, parts or step Embodiment.Here by use term " can ", it is intended to illustrate that " permissible " include is described any Attribute is all optional.
Multiple elements, composition, parts or step can be come by single integrated component, composition, parts or step There is provided.Alternatively, single integrated component, composition, parts or step can be divided into separation multiple elements, Composition, parts or step.It is used for describing the open "a" or "an" of element, composition, parts or step Do not say to get rid of other element, composition, parts or step.
It should be understood that above description is to illustrate rather than to limit.By reading Foregoing description, the many embodiments outside the example provided and many application are to those skilled in the art For all will be apparent from.Therefore, the scope of this teaching should not determine with reference to foregoing description, and It is to come really with reference to the four corner of the equivalent that claims and these claim are had Fixed.Include that the disclosure of patent application and bulletin all passes through reference for comprehensive purpose, all articles and reference It is incorporated herein.Any aspect omitting theme disclosed herein in aforementioned claim is not intended to Abandon this body matter, also should not be considered as utility model people and this theme is not thought of as disclosed practicality A part for novel theme.

Claims (12)

1. a control and remove of well paraffin device, it is for improving the temperature of oil well Crude Oil, prevents crude oil analysis wax, It is characterized in that, it includes:
Water supply mechanism, described water supply mechanism is for providing more than described crude oil temperature for described control and remove of well paraffin device The water of degree;
Be arranged in described oil well and along the cycling mechanism of described oil well longitudinally definite length extended, its with Described water supply mechanism is connected, so that water flows in described cycling mechanism, and then makes described circulator Structure provides heat for described crude oil;
Discharge mechanism, it is connected with described cycling mechanism, so that the water in described cycling mechanism is discharged.
Control and remove of well paraffin device the most according to claim 1, it is characterised in that described cycling mechanism bag Include: the first pipe of bottom end closure, and be set in the second pipe that described first pipe is interior and bottom is open, described Second pipe is connected with described water supply mechanism, and described first pipe is connected with discharge mechanism.
Control and remove of well paraffin device the most according to claim 1, it is characterised in that described cycling mechanism bag Include: the first pipe of bottom end closure, and be set in the second pipe that described first pipe is interior and bottom is open, described First pipe is connected with described water supply mechanism, and described second pipe is connected with discharge mechanism.
4. according to the control and remove of well paraffin device described in Claims 2 or 3, it is characterised in that described first pipe Bottom is 3m with the longitudinal pitch of described second pipe bottom.
Control and remove of well paraffin device the most according to claim 1, it is characterised in that described water supply mechanism bag Including feed pipe and the first valve being arranged on described feed pipe, described first valve is used for controlling described water supply The break-make of pipe.
Control and remove of well paraffin device the most according to claim 1, it is characterised in that described discharge mechanism bag Including water pipe and the second valve being arranged on described outlet pipe, described second valve is used for controlling described water outlet The break-make of pipe.
Control and remove of well paraffin device the most according to claim 6, it is characterised in that on described outlet pipe also It is provided with and limits the ball-and-seat of water (flow) direction in described outlet pipe.
Control and remove of well paraffin device the most according to claim 1, it is characterised in that described control and remove of well paraffin Device also includes the drainage mechanism being connected for the Produced Liquid of oil well is discharged described oil well with described oil well, Described drainage mechanism is connected with described discharge mechanism, described drainage mechanism is additionally provided with control oil well produced 3rd valve of liquid extraction.
Control and remove of well paraffin device the most according to claim 8, it is characterised in that described drainage mechanism with Described water supply mechanism is connected by the 4th valve.
Control and remove of well paraffin device the most according to claim 1, it is characterised in that described cycling mechanism It is connected with the caput Equi Asini of oil pumper by polished rod, so that described caput Equi Asini drives described cycling mechanism at described oil Move up and down in well, and then the crude oil heat tracing making described cycling mechanism be described oil pumper extraction.
11. control and remove of well paraffin devices according to claim 10, it is characterised in that described water supply mechanism, Described cycling mechanism, described discharge mechanism and described polished rod are connected by union joint.
12. control and remove of well paraffin devices according to claim 1, it is characterised in that described oil well is the most anti- Wax apparatus also includes that being arranged on well head prevents the sealer of down-hole Produced Liquid ejection.
CN201620312481.4U 2016-04-14 2016-04-14 Clear wax -proof equipment of oil well Active CN205532487U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105863559A (en) * 2016-04-14 2016-08-17 中国石油天然气股份有限公司 Wax removing and preventing device and method for oil well

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105863559A (en) * 2016-04-14 2016-08-17 中国石油天然气股份有限公司 Wax removing and preventing device and method for oil well

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