CN208803837U - A kind of gas hydrates underground microwave heating sleeve pipe nipple apparatus - Google Patents
A kind of gas hydrates underground microwave heating sleeve pipe nipple apparatus Download PDFInfo
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- CN208803837U CN208803837U CN201821383383.5U CN201821383383U CN208803837U CN 208803837 U CN208803837 U CN 208803837U CN 201821383383 U CN201821383383 U CN 201821383383U CN 208803837 U CN208803837 U CN 208803837U
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- microwave heating
- sleeve pipe
- pipe nipple
- nipple
- heating sleeve
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Abstract
The utility model discloses a kind of gas hydrates underground microwave heating sleeve pipe nipple apparatus, including multiple microwave heating sleeve pipe nipples, it is connected in parallel between the microwave heating sleeve pipe nipple by Aviation cable connector, the microwave heating sleeve pipe nipple includes casing nipple, microwave emitter and microwave heating window, the microwave emitter is embedded in described sleeve pipe pipe nipple, the outer surface of described sleeve pipe pipe nipple offers microwave heating window, the utility model is by microwave applications in the heat resolve of formation gas hydrate, it is high-efficient to give full play to microwave heating, speed is fast, the unique advantage of cleanliness without any pollution etc., achieve the purpose that volume increase, furthermore, in underground, multiple microwave heating sleeve pipe nipples are set, increase contact area as much as possible, it can satisfy the needs of underground heating over long distances, concatenation in parallel between microwave heating sleeve pipe nipple, Can independently working working system adjusted, and then improve production efficiency according to shaft bottom real-time status.
Description
Technical field
The utility model relates to exploitation of gas hydrates apparatus field more particularly to a kind of gas hydrates underground are micro-
Wave heating casing nipple device.
Background technique
Gas hydrates are the crystalline compounds of the class ice-like formed under conditions of high pressure low temperature by natural gas and water,
It is widely distributed in nature, it is mainly distributed on continent permafrost, the slope land band on island, activity and passive continental margin
In the deepwater environment of bump pad, polar region continental shelf and ocean and some inland lakes.Gas hydrates prognostic resources are suitable
It is a kind of following substitution of universally acknowledged clean and effective in having found twice or more of the fossil energies such as coal, petroleum, natural gas
The energy.From the sixties in last century, all worked out using the U.S., Japan, Germany, China, South Korea, India as some countries of representative
Natural gas hydrate exploration developmental research plan.Currently, hot production technique can make up decompression exploitation as a kind of enhancements
The shortcomings that low efficiency, it is one such important method that hydrate is exploited in microwave heating.
Microwave is a kind of frequency in the electromagnetic wave of 300MHz~300GHz, is obtained by semiconductor devices and electron tube
, it has physics, chemistry, biological effect, the features such as showing fluctuation, high frequency, thermal characteristics and non-thermal characteristics, application
Extensively.Microwave heating is a kind of Novel heating mode, can be realized the direct transmitting of energy, and, heating fast with heating speed is
It is even, energy-efficient and to material selectively heating, it is non-contact heating, globality heating, sanitation and hygiene the features such as；Microwave can be direct
Object is heated, improves heat-transfer effect, reduces the heat transfer loss of pyrolytic process；It is easy to automation control, there are other heating methods
Incomparable advantage, receives significant attention, and application field is also constantly extending.
But existing microwave heating technique does not account for microwave dissipation effect, horizontal well horizontal segment be about 500m~
1000m, and vertical section depth measurement be more than km, well head arrange microwave transmission system, either waveguide propagate or it is coaxial
Cable distribution, under such remote transmission, the microwave for acting on shaft bottom purpose of horizon has been decayed close to 0, Wu Faman
Sufficient demand for heat.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of gas hydrates underground is micro-
Wave heating casing nipple device, can give full play to that microwave heating is high-efficient, speed is fast, the unique advantage of cleanliness without any pollution etc.,
Achieve the purpose that volume increase.
In order to achieve the above object, technical solution used by the utility model is as follows:
A kind of gas hydrates underground microwave heating sleeve pipe nipple apparatus, including multiple microwave heating sleeve pipe nipples, institute
It states and is connected in parallel between microwave heating sleeve pipe nipple by Aviation cable connector, the microwave heating sleeve pipe nipple includes that casing is short
Section, microwave emitter and microwave heating window, the microwave emitter are embedded in described sleeve pipe pipe nipple, described sleeve pipe pipe nipple
Outer surface offers microwave heating window.
Further, the gas hydrates underground microwave heating sleeve pipe nipple apparatus further include well head power-supply system,
Wellhead Control System, upper sleeve and top completion tubular string, the well head power-supply system are by cable and well head control
System is connected with microwave heating sleeve pipe nipple, and the cable adds after sequentially passing through upper sleeve and top completion tubular string with the microwave
The connection of thermal sleeve pipe nipple.
Further, the gas hydrates underground microwave heating sleeve pipe nipple apparatus further includes sand control casing nipple,
The microwave heating sleeve pipe nipple is connect with the sand control casing nipple, not only can guarantee that microwave heating can be transmitted to stratum,
And it can guarantee sand controlling result simultaneously.
Further, it is set between multiple microwave heating sleeve pipe nipples and multiple sand control casing nipples using compartment distribution
It sets, microwave heating sleeve pipe nipple realizes energy transmission, and sand control casing nipple setting multilayer sand control structure guarantees that fluid enters, resistance
Only the solid particles such as sand in stratum enter pit shaft blocking channel.
Further, described sleeve pipe pipe nipple one end is provided with the first female thread, and the other end is provided with the first pin thread；The sand control
Casing nipple one end is provided with the second female thread connecting with first pin thread, and the other end is provided with the first female thread connection
Second pin thread；Between sand control casing nipple and microwave heating sleeve pipe nipple using standard button-type connect, sand control casing nipple with
Microwave heating sleeve pipe nipple is completed to assemble in well head, is then lowered into shaft bottom.
Further, the microwave heating sleeve pipe nipple further includes entrance cable interface and outlet cable interface；The set
One end of pipe pipe nipple is connect by cable with the entrance cable interface, and the other end is connected by cable and the outlet cable interface
It connects.
Further, the microwave heating window is 360 ° of ring-like windows, and the microwave that microwave emitter can be made to issue is more preferable
Ground is contacted with gas hydrates.
Further, the microwave heating window is made of nonmetallic materials, and the microwave that microwave emitter issues can not
Metal pipe material is passed through, non-metal pipe can only be passed through, when the microwave of sending encounters metal surface, can be reflected on surface, no
Metal pipe material can be penetrated effectively to act on purpose of horizon.
Further, the microwave heating window is made of quartz glass.
Further, the sand control casing nipple is metal sand control casing nipple.
Compared with prior art, the beneficial effects of the utility model are, the utility model is natural in stratum by microwave applications
The heat resolve of gas hydrate, gives full play to that microwave heating is high-efficient, speed is fast, the unique advantage of cleanliness without any pollution etc., reaches
The purpose of volume increase increases contact surface in addition, multiple microwave heating sleeve pipe nipples are arranged in underground in the utility model as much as possible
Product can satisfy the needs of underground heating over long distances, concatenation in parallel between microwave heating sleeve pipe nipple, can independently working, mutually
It does not influence, can be actually needed according to shaft bottom real-time status and production, adjust working system, and then improve production efficiency.
Detailed description of the invention
Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing, in which:
Fig. 1 is that a kind of structure of gas hydrates underground microwave heating sleeve pipe nipple apparatus described in the utility model is shown
It is intended to.
Fig. 2 is the structural schematic diagram of microwave heating sleeve pipe nipple described in the utility model.
In figure: 1- microwave heating sleeve pipe nipple, 2- well head power-supply system, 3- Wellhead Control System, 4- upper sleeve, on 5-
Portion's completion tubular string, 6- cable, 7- sand control casing nipple, 11- casing nipple, 12- microwave emitter, 13- microwave heating window,
The first female thread of 14-, the first pin thread of 15-, 16- entrance cable interface, 17- export cable interface.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
The utility model can be applied to the exploitation of offshore drilling platform hydrate, it can also be used to which land frozen soil layer hydrate is opened
It adopts, is further described for being applied to the exploitation of offshore drilling platform hydrate below.
As shown in Figs. 1-2, a kind of gas hydrates underground microwave heating sleeve pipe nipple apparatus, including well head power-supply system
2, Wellhead Control System 3, upper sleeve 4, top completion tubular string 5, multiple microwave heating sleeve pipe nipples 1 and multiple sand control casings are short
Section 7, the well head power-supply system 2 is connect by cable 6 with the Wellhead Control System 3 and microwave heating sleeve pipe nipple 1, described
Cable 6 is connect after sequentially passing through upper sleeve 4 and top completion tubular string 5 with the microwave heating sleeve pipe nipple 1.
Specifically, microwave heating sleeve pipe nipple 1 and sand control casing nipple 7 are located at the gas hydrates reservoir of underground.
Specifically, when the utility model is applied to the exploitation of offshore drilling platform hydrate, well head power-supply system 2 can and be bored
It adopts other equipment power supply system on ship to share, well head power-supply system 2 can make full use of the existing power-supply system of drilling platforms, close
Allocation space is managed, Reduced Design structure reduces operating risk.
Specifically, Wellhead Control System 3 can independently adjust the frequency of underground microwave heating sleeve pipe nipple 1, power, work
The various performance parameters such as state when operating condition changes when shaft bottom, can according to need adjustment underground microwave heating sleeve in real time
The power of pipe nipple 1.When microwave heating sleeve pipe nipple 1 is as main Means To Increase Production, using biggish power, work as microwave
1 main purpose of heating muff pipe nipple is to prevent the secondary generation of hydrate in pit shaft, realize mobility guarantee, then can using compared with
Small power.Wellhead Control System 3 can also control each microwave heating sleeve pipe nipple 1 respectively, in process of production, need to tie
It closes voltage drop method and microwave heating method carries out collaboration exploitation, can be rationally designed according to reservoir variation characteristic and exploitation actual needs micro-
The working condition of Wave heating.When part well section surrounding formation decomposition of hydrate is very fast, can the microwave under appropriate closed-in well add
Thermal sleeve pipe nipple 1 reduces decomposition rate, prevents the too fast abrasion completion tubular column of fluid flow rate, ensure the safety and stability of downhole tool.
Specifically, the material of cable 6 needs to fully consider the complex environment in the hydrate recovery process of underground, meets temperature
Pressure requirements, while there is stronger wearability and corrosion resistance, it being capable of long-term stable operation.
Specifically, the microwave heating sleeve pipe nipple 1 is connect with the sand control casing nipple 7, not only can guarantee that microwave adds
Heat can be transmitted to stratum, and can guarantee sand controlling result simultaneously, it is preferable that multiple microwave heating sleeve pipe nipples 1 are prevented with multiple
Using compartment distribution setting between sand casing nipple 7, i.e., microwave heating sleeve pipe nipple 1 is spaced using sand control casing nipple 7
It opens, a sand control casing nipple 7 is provided between every two microwave heating sleeve pipe nipple 1, microwave heating sleeve pipe nipple 1 realizes energy
Amount transmitting, and sand control casing nipple 7 is arranged multilayer sand control structure and guarantees that fluid enters, prevent solid particles such as sand in stratum into
Enter pit shaft blocking channel.It, can also be short in two microwave heating sleeves for save the cost under the premise of guaranteeing exploitation effect
Multiple sand control casing nipples 7 are set between section 1, to reduce the quantity of microwave heating sleeve pipe nipple 1.
Specifically, it is connected in parallel between the microwave heating sleeve pipe nipple 1 by Aviation cable connector, underground setting is multiple
Microwave heating sleeve pipe nipple 1, as much as possible increase contact area, can satisfy the needs of underground heating over long distances, microwave heating
Concatenation in parallel between casing nipple 1, can independently working, be independent of each other, duty can be adjusted according to shaft bottom real-time status
Degree, and then improve production efficiency.
Specifically, the microwave heating sleeve pipe nipple 1 includes casing nipple 11, microwave emitter 12 and microwave heating window
13, the microwave emitter 12 is embedded in described sleeve pipe pipe nipple 11, and the outer surface of described sleeve pipe pipe nipple 11 offers microwave and adds
Thermal window 13.
Specifically, 11 one end of described sleeve pipe pipe nipple is provided with the first female thread 14, and the other end is provided with the first pin thread 15；It is described
7 one end of sand control casing nipple is provided with the second female thread connecting with first pin thread 15, and it is female that the other end is provided with described first
Second pin thread of 14 connection of button；It is connected, is prevented using the button-type of standard between sand control casing nipple 7 and microwave heating sleeve pipe nipple 1
Sand casing nipple 7 and microwave heating sleeve pipe nipple 1 are completed to assemble in well head, are then lowered into shaft bottom.
Specifically, the microwave heating sleeve pipe nipple 1 further includes entrance cable interface 16 and outlet cable interface 17；It is described
One end of casing nipple 11 is connect by cable 6 with the entrance cable interface 16, and the other end passes through cable 6 and outlet electricity
Cable interface 17 connects.
Specifically, the microwave heating window 13 is 360 ° of ring-like windows, and the microwave that microwave emitter 12 can be made to issue is more
It is contacted with gas hydrates well.
Specifically, the microwave heating window 13 is made of nonmetallic materials, and the microwave that microwave emitter 12 issues cannot
Metal pipe material is enough passed through, non-metal pipe can only be passed through, when the microwave of sending encounters metal surface, can be reflected on surface,
Can not effectively penetrate metal pipe material, thus can not useful effect in purpose of horizon.
Specifically, the microwave heating window 13 is made of quartz glass.
Specifically, the sand control casing nipple 7 is metal sand control casing nipple.
It will be apparent to those skilled in the art that can make various other according to the above description of the technical scheme and ideas
Corresponding change and deformation, and all these changes and deformation all should belong to the protection of the utility model claims
Within the scope of.
Claims (10)
1. a kind of gas hydrates underground microwave heating sleeve pipe nipple apparatus, it is characterised in that: including multiple microwave heating sets
Pipe pipe nipple (1) is connected in parallel between the microwave heating sleeve pipe nipple (1), the microwave heating set by Aviation cable connector
Pipe pipe nipple (1) includes casing nipple (11), microwave emitter (12) and microwave heating window (13), the microwave emitter (12)
It is embedded in described sleeve pipe pipe nipple (11), the outer surface of described sleeve pipe pipe nipple (11) offers microwave heating window (13).
2. a kind of gas hydrates underground microwave heating sleeve pipe nipple apparatus according to claim 1, it is characterised in that:
It further include well head power-supply system (2), Wellhead Control System (3), upper sleeve (4) and top completion tubular string (5), the well head electricity
Source system (2) is connect by cable (6) with the Wellhead Control System (3) and microwave heating sleeve pipe nipple (1), the cable
(6) upper sleeve (4) and top completion tubular string (5) is sequentially passed through to connect with the microwave heating sleeve pipe nipple (1) afterwards.
3. a kind of gas hydrates underground microwave heating sleeve pipe nipple apparatus according to claim 1, it is characterised in that:
It further include sand control casing nipple (7), the microwave heating sleeve pipe nipple (1) connect with the sand control casing nipple (7).
4. a kind of gas hydrates underground microwave heating sleeve pipe nipple apparatus according to claim 3, it is characterised in that:
Using compartment distribution setting between multiple microwave heating sleeve pipe nipples (1) and multiple sand control casing nipples (7).
5. a kind of gas hydrates underground microwave heating sleeve pipe nipple apparatus according to claim 3, it is characterised in that:
Described sleeve pipe pipe nipple (11) one end is provided with the first female thread (14), and the other end is provided with the first pin thread (15)；The sand control casing
Pipe nipple (7) one end is provided with the second female thread connecting with first pin thread (15), and the other end is provided with first female thread
(14) the second pin thread connected.
6. a kind of gas hydrates underground microwave heating sleeve pipe nipple apparatus according to claim 1, it is characterised in that:
The microwave heating sleeve pipe nipple (1) further includes entrance cable interface (16) and outlet cable interface (17)；Described sleeve pipe pipe nipple
(11) one end is connect by cable (6) with the entrance cable interface (16), and the other end passes through cable (6) and outlet electricity
Cable interface (17) connection.
7. a kind of gas hydrates underground microwave heating sleeve pipe nipple apparatus according to claim 1, it is characterised in that:
The microwave heating window (13) is 360 ° of ring-like windows.
8. a kind of gas hydrates underground microwave heating sleeve pipe nipple apparatus according to claim 7, it is characterised in that:
The microwave heating window (13) is made of nonmetallic materials.
9. a kind of gas hydrates underground microwave heating sleeve pipe nipple apparatus according to claim 8, it is characterised in that:
The microwave heating window (13) is made of quartz glass.
10. a kind of gas hydrates underground microwave heating sleeve pipe nipple apparatus according to claim 3, feature exist
In: the sand control casing nipple (7) is metal sand control casing nipple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821383383.5U CN208803837U (en) | 2018-08-24 | 2018-08-24 | A kind of gas hydrates underground microwave heating sleeve pipe nipple apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821383383.5U CN208803837U (en) | 2018-08-24 | 2018-08-24 | A kind of gas hydrates underground microwave heating sleeve pipe nipple apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208803837U true CN208803837U (en) | 2019-04-30 |
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ID=66235683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821383383.5U Active CN208803837U (en) | 2018-08-24 | 2018-08-24 | A kind of gas hydrates underground microwave heating sleeve pipe nipple apparatus |
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| CN (1) | CN208803837U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111810060A (en) * | 2020-09-02 | 2020-10-23 | 西南石油大学 | Double-layer pipe microwave heating short joint for hydrate conveying |
| CN112459749A (en) * | 2020-11-19 | 2021-03-09 | 广州海洋地质调查局 | Integrated control system and method for microwave heating |
-
2018
- 2018-08-24 CN CN201821383383.5U patent/CN208803837U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111810060A (en) * | 2020-09-02 | 2020-10-23 | 西南石油大学 | Double-layer pipe microwave heating short joint for hydrate conveying |
| CN112459749A (en) * | 2020-11-19 | 2021-03-09 | 广州海洋地质调查局 | Integrated control system and method for microwave heating |
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