CN104948144B - A kind of utilization ultrasonic wave exploits the method and device of submarine surface gas hydrates - Google Patents
A kind of utilization ultrasonic wave exploits the method and device of submarine surface gas hydrates Download PDFInfo
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- CN104948144B CN104948144B CN201510325300.1A CN201510325300A CN104948144B CN 104948144 B CN104948144 B CN 104948144B CN 201510325300 A CN201510325300 A CN 201510325300A CN 104948144 B CN104948144 B CN 104948144B
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- ultrasonic wave
- crushing head
- submarine surface
- gas
- flexible pipe
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Abstract
The present invention relates to the method and device that a kind of utilization ultrasonic wave for natural gas extraction field exploits submarine surface gas hydrates.It can improve production efficiency, reduction cost of winning, reduce energy consumption, and overcome the deficiencies in the prior art.Its technical scheme is：The step of recovery method is：Electric supply installation on workboat is first opened, the ultrasonic wave that supersonic generator is sent is transferred to submarine surface through transducer, supersonic concentrator, crushing head, and ultrasonic wave drives crushing head vibration to be acted on gas hydrates, is broken into particle slurry；Then suction pump is started, particle slurry is flowed through into flexible pipe C, adjustment arm, tubing string by sucker is drawn into gas hydrate dissociation equipment；Finally start resolving device, natural gas is collected and coupled with user terminal, the water and sandstone of separation are discharged into seabed by gas hydrate dissociation.This recovery method principle is simple and practical, can easily continuously exploit；This quarrying apparatus is simple in construction, less energy consumption, easy to implement, for natural gas extraction.
Description
Technical field
Submarine surface gas hydrates are exploited the present invention relates to a kind of utilization ultrasonic wave for natural gas extraction field
Method and device.
Background technology
Gas hydrates are the class ice solids that natural gas (main component methane) and water are formed under high pressure low temperature environment
Compound.Global natural gas hydrate resources enrich, and are cleaning, the energy of high-quality, occupy in following energy strategy
Consequence.Stroke analysis, which is shown, can meet mankind's demand of 1000, be the non-renewable energy of following great exploitation potential
Source.It will be the most important energy of the 21 century mankind.Successful exploitation of gas hydrate can effectively solve future world
Energy shortage problem.
Gas hydrates are a kind of metastable state mineral, to be present in the form of solid-state under specific Temperature-pressure Conditions.Opening
Balancing each other for its hydrate is easily destroyed during adopting, therefore many recovery methods are all by changing its physics formed at present
Chemical property decomposes it, so as to realize the exploitation of gas hydrates.Such as thermostimulation method, method, chemical-agent technique, dioxy are depressurized
Change carbon displacement method.These mining types are suitable for, by drilling well, exploitation then being realized in pit shaft.
But these methods have the shortcomings that itself during exploitation, such as production efficiency is not high, be faced with instrument mostly
The problems such as device equipment is complicated, reagent is expensive, energy consumption is more.And above several method, which is suitable only for hydrate upper strata, to be had
The mineral reserve of good nondecomposable coating, it is otherwise all infeasible.And the portion of natural gas gas hydrate synthesis in seabed is in seabed
Top layer, above several method is unsuitable for the exploitation of gas hydrates in submarine surface.
The content of the invention
The purpose of the present invention is directed to exploitation of gas hydrates the deficiencies in the prior art, in order to improve production efficiency, reduction
Cost of winning, reduction energy consumption, spy provide the method and device that a kind of utilization ultrasonic wave exploits submarine surface gas hydrates.
To achieve these goals, the present invention uses following technical scheme：One kind exploits submarine surface using ultrasonic wave
The method of gas hydrates, comprises the following steps：
1) electric supply installation on workboat is switched and opened, electric energy inputs supersonic generator, ultrasonic wave by cable
The ultrasonic wave that generator is sent is transferred to submarine surface by transducer, supersonic concentrator, crushing head, and ultrasonic wave drives crushing head
Submarine surface gas hydrates are broken into particle slurry by vibration and gas hydrates phase separation；
2) suction pump on workboat is started, gas hydrate particle is starched and sucked by the sucker on crushing head, stream
Through flexible pipe C, adjustment arm, tubing string inner chamber, be drawn into the gas hydrate dissociation equipment on workboat；
3) gas hydrate dissociation equipment is started, gas hydrates are decomposed, the natural gas isolated is collected,
Drying couples with user terminal, and the water isolated, sandstone are directly discharged into seabed backfill.
In step 1) in adjustment arm is installed between tubing string and crushing head, crushing head is adapted in seabed ruggedly
Gesture, effectively broken submarine surface gas hydrates.Broken gas hydrates can also produce sky in the presence of ultrasonic wave
Change is acted on, and can improve its production efficiency；
In step 2) in sucker be located on crushing head and submarine surface gas hydrates contact surface, gas hydrate slurry
Crushing head inner chamber is arrived after into sucker, then sequentially enters flexible pipe C, adjustment arm inner chamber, tubing string inner chamber, is finally reached on workboat
In gas hydrate dissociation equipment.
In step 3) in gas hydrate dissociation device interior liquid gas separating component, natural gas dry cleansing portion are installed
Part etc..
A kind of utilization ultrasonic wave exploits the device of submarine surface gas hydrates method, be by Jobs on the sea ship part and
Offshore mining part is constituted.Suction pump is provided with the platform of Jobs on the sea ship, suction pump import flexible pipe is connected with tubing string, taken out
Stock pump is exported uses flexible pipe A connections between gas hydrate dissociation equipment；The platform other end of Jobs on the sea ship installs power supply
Device, the cable that electric supply installation is wrapped up with parcel cable flexible pipe is connected with the supersonic generator of offshore mining part；
Offshore mining part：Connected between tubing string and adjustment arm with universal joint, the outside flexible pipe B of universal joint is wrapped up and sealed；Adjustment
Arm is connected with hydraulic movable arm with stud B；Stud C connections are used between hydraulic movable arm and supersonic generator；Supersonic generator is with changing
Stud D connections can be used between device；Stud E connections are used between transducer and supersonic concentrator；Spiral shell is used between supersonic concentrator and crushing head
Post A connections；Also it is connected between crushing head and adjustment arm with single flexible pipe C；It is hydrated in crushing head and submarine surface natural gas
Crushing teeth and sucker have been covered with it on the face of thing contact.
The universal joint ensures that the power for being delivered to adjustment arm is not uneven and changed by seabed, it is ensured that adjustment arm is in flat
Steady working condition.
Described hydraulic movable arm is the contact force for adjusting crushing head and gas hydrates, reaches maximum production efficiency
Continuously exploited with realizing.
Described adjustment arm top half is hollow, and the latter half is solid round member；The top half of crushing head
To be solid, the latter half is hollow cylindrical and discoidal combined member；Crushing head disk-shaped portion and submarine surface day
Crushing teeth on right gas hydrate contact surface is distributed on same circle and is staggered with sucker；Crushing teeth is round tooth.
The present invention has advantages below：(1) recovery method principle of the invention is simple, practical, can conveniently realize seabed table
The continuous exploitation of layer gas hydrates；(2) this recovery method is used for the convenient transmission power of offshore mining；(3) this recovery method
Quarrying apparatus it is simple in construction, less energy consumption, it is easy to implement.
Brief description of the drawings
Fig. 1 is the structural representation of submarine surface gas hydrate exploitation device of the present invention；
Fig. 2 is the following fragmentary elevational view of universal joint in this quarrying apparatus；
Fig. 3 is the structural representation of crushing head 2 in this quarrying apparatus.
In figure：1. crushing teeth, 2. crushing heads, 3. stud A, 4. supersonic concentrators, 5. transducers, 6. supersonic generators,
7. it is hydraulic movable arm, 8. adjustment arms, 9. universal joints, 10. parcel cable flexible pipes, 11. cables, 12. electric supply installations, 13. natural
Gas hydrate resolving device, 14. flexible pipe A, 15. suction pumps, 16. workboats, 17. tubing strings, 18. flexible pipe B, 19. stud B, 20. spiral shells
Post C, 21. stud D, 22. stud E, 23. flexible pipe C, 24. suckers.
Embodiment
The submarine surface gas hydrate mining methods that the present invention is provided, comprise the following steps：
1) switch of electric supply installation 12 on workboat 16 is opened, and electric energy inputs supersonic generator 6 by cable 11, surpasses
The ultrasonic wave that sonic generator 6 is sent is transferred to submarine surface, ultrasonic wave band by transducer 5, supersonic concentrator 4, crushing head 2
Submarine surface gas hydrates are broken into particle slurry by the dynamic vibration of crushing head 2 and gas hydrates phase separation；
2) suction pump 15 on workboat 16 is started, gas hydrate particle is starched by the sucker 24 on crushing head 2
Suction, flows through flexible pipe C23, adjustment arm 8, the inner chamber of tubing string 17, is drawn into the gas hydrate dissociation equipment on workboat 16
In 13；
3) start gas hydrate dissociation equipment 13, gas hydrates are decomposed, the natural gas isolated is received
Collection, drying couple with user terminal, and the water isolated, sandstone are directly discharged into seabed backfill.
The structure of the submarine surface gas hydrate exploitation device of the present invention is by sea as shown in Figure 1, Figure 2, Figure 3 shows
Suction pump 15, the import of suction pump 15 are provided with workboat part and offshore mining part composition, the platform of Jobs on the sea ship 16
It is connected with flexible pipe with tubing string 17, suction pump 15 is exported uses flexible pipe A14 connections between gas hydrate dissociation equipment 13；It is marine
The platform other end of workboat 16 installs electric supply installation 12, the cable 11 of the parcel of parcel cable flexible pipe 10 of electric supply installation 12
It is connected with the supersonic generator 6 of offshore mining part；Offshore mining part：Connected between tubing string 17 and adjustment arm 8 with universal joint 9
Connect, the outside flexible pipe B18 of universal joint 9 is wrapped up and sealed；Adjustment arm 8 is connected with hydraulic movable arm 7 with stud B19；Hydraulic pressure is moved
Stud C20 connections are used between arm 7 and supersonic generator 6；Stud D21 connections are used between supersonic generator 6 and transducer 5；Transducing
Stud E22 connections are used between device 5 and supersonic concentrator 4；Stud A3 connections are used between supersonic concentrator 4 and crushing head 2；Crushing head 2
Also it is connected between adjustment arm 8 with single flexible pipe C23；The face contacted in crushing head 2 with submarine surface gas hydrates
On be covered with crushing teeth 1 and sucker 24；It is hollow to adjust the top half of arm 8, and the latter half is solid round member；Crushing head
2 top half is solid, and the latter half is hollow cylindrical and discoidal combined member；The disc portion of crushing head 2
Divide and be distributed on same circle and interlock with the crushing teeth (1) on submarine surface gas hydrates contact surface and sucker (24)
Arrangement；Crushing teeth 1 is round tooth.
Its operation principle is as follows：Electric supply installation 12 on workboat 16 provides electric energy, and it is super that supersonic generator 6 is sent
Sound wave is transferred to submarine surface through transducer 5, supersonic concentrator 4, crushing head 2, and ultrasonic wave drives crushing head 2 to vibrate and natural gas
Hydrate is acted on, and is broken into particle slurry；
The suction pump 15 on workboat 16 is started, particle slurry is flowed through into flexible pipe C23, adjustment arm 8, tubing string 17 by sucker 24
It is drawn into gas hydrate dissociation equipment 13；Finally start gas hydrate dissociation equipment 13, gas hydrates point
Solution, natural gas is collected and coupled with user terminal, and the water and sandstone of separation are discharged into seabed backfill.
Claims (3)
1. a kind of method that utilization ultrasonic wave exploits submarine surface gas hydrates, it is characterised in that：This method includes following
Step：First the electric supply installation (12) on workboat (16) is switched and opened, electric energy inputs ultrasonic wave by cable (11)
Device (6), the ultrasonic wave that supersonic generator (6) is sent is transferred to by transducer (5), supersonic concentrator (4), crushing head (2)
Submarine surface, ultrasonic wave drives crushing head (2) vibration and gas hydrates phase separation, and submarine surface gas hydrates are broken
It is broken into particle slurry；Then the suction pump (15) on workboat (16) is started, gas hydrate particle slurry is passed through into crushing head (2)
On sucker (24) suction, flow through flexible pipe C (23), adjustment arm (8), the inner chamber of tubing string (17), be drawn on workboat (16)
In gas hydrate dissociation equipment (13)；Finally start gas hydrate dissociation equipment (13), gas hydrates occur
Decompose, the natural gas isolated is collected, drying couples with user terminal, the water isolated, sandstone are directly discharged into seabed backfill.
2. a kind of device for exploiting submarine surface gas hydrates method described in claim 1 using ultrasonic wave, be by
Jobs on the sea ship part and offshore mining part composition, it is characterised in that：It is provided with the platform of Jobs on the sea ship (16) and takes out slurry
Pump (15), suction pump (15) import flexible pipe is connected with tubing string (17), and suction pump (15) outlet is set with gas hydrate dissociation
Flexible pipe A (14) connections are used between standby (13)；The platform other end of Jobs on the sea ship (16) installs electric supply installation (12), electric supply installation
(12) cable (11) wrapped up with parcel cable flexible pipe (10) is connected with the supersonic generator (6) of offshore mining part
Connect；Offshore mining part：It is connected between tubing string (17) and adjustment arm (8) with universal joint (9), the outside of universal joint (9) uses flexible pipe B
(18) wrap up and seal；Adjustment arm (8) is connected with hydraulic movable arm (7) with stud B (19)；Hydraulic movable arm (7) is sent out with ultrasonic wave
Stud C (20) connections are used between raw device (6)；It is connected between supersonic generator (6) and transducer (5) with stud D (21)；Transducer
(5) it is connected between supersonic concentrator (4) with stud E (22)；Between supersonic concentrator (4) and crushing head (2) with stud A (3) even
Connect；Also it is connected between crushing head (2) and adjustment arm (8) with single flexible pipe C (23)；In crushing head (2) and submarine surface day
Crushing teeth (1) and sucker (24) have been covered with it on the face of right gas hydrate contact.
3. the device of submarine surface gas hydrates method is exploited using ultrasonic wave according to claim 2, it is characterized in that：
Described adjustment arm (8) top half is hollow, and the latter half is solid round member；The top half of crushing head (2) is real
The heart, the latter half is hollow cylindrical and discoidal combined member；The disk-shaped portion of crushing head (2) and submarine surface day
Crushing teeth (1) on right gas hydrate contact surface is distributed on same circle and is staggered with sucker (24)；Crushing teeth (1)
For round tooth.
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| CN104948144B true CN104948144B (en) | 2017-08-04 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105649589B (en) * | 2016-03-10 | 2018-03-30 | 西南石油大学 | The experimental provision and method of comprehensive solar energy and ultrasonic cavitation exploitation of gas hydrate |
| CN105750050B (en) * | 2016-04-16 | 2018-03-02 | 西南石油大学 | A kind of non-diagenesis hydrate secondary crushing device of green energy conservation and method |
| CN108661605B (en) * | 2017-03-30 | 2022-01-18 | 中国计量大学 | Improved A-type generating device for generating methane for fragments of seabed combustible ice mineral reserves |
| CN108756829B (en) * | 2018-05-25 | 2020-09-29 | 西南石油大学 | Natural gas hydrate solid flow mining method and system under underbalance positive circulation condition |
| CN108756828B (en) * | 2018-05-25 | 2020-09-25 | 西南石油大学 | Hydrate solid fluidization exploitation method and system under underbalance reverse circulation condition |
| CN108979560B (en) * | 2018-09-10 | 2023-07-04 | 中国石油大学(北京) | Water-proof pipe nipple for acoustic resonance decomposition of deepwater drilling hydrate |
| CN108952639B (en) * | 2018-09-10 | 2020-11-17 | 西南石油大学 | Method for exploiting natural gas hydrate reservoir by combining gas replacement and vibration field |
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| CN1587641A (en) * | 2004-09-21 | 2005-03-02 | 中国科学院广州能源研究所 | Method and device for sea natural gas hydrate production |
| CN101182771A (en) * | 2007-12-12 | 2008-05-21 | 中国地质大学（武汉） | Seabed gas hydrate mining methods and device |
| CN102877822A (en) * | 2012-09-20 | 2013-01-16 | 张家港睿能科技有限公司 | Application of ultrasonic wave to oil exploitation of oil well |
| CN104265300A (en) * | 2014-09-16 | 2015-01-07 | 西南石油大学 | Seabed surface layer natural gas hydrate exploitation method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4662232B2 (en) * | 2003-11-10 | 2011-03-30 | 鹿島建設株式会社 | Gas hydrate production method and system |
| JP4887012B2 (en) * | 2004-07-16 | 2012-02-29 | 昭壽 杉本 | Method and apparatus for gas recovery from gas hydrate and method for regasification of gas hydrate |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1587641A (en) * | 2004-09-21 | 2005-03-02 | 中国科学院广州能源研究所 | Method and device for sea natural gas hydrate production |
| CN101182771A (en) * | 2007-12-12 | 2008-05-21 | 中国地质大学（武汉） | Seabed gas hydrate mining methods and device |
| CN102877822A (en) * | 2012-09-20 | 2013-01-16 | 张家港睿能科技有限公司 | Application of ultrasonic wave to oil exploitation of oil well |
| CN104265300A (en) * | 2014-09-16 | 2015-01-07 | 西南石油大学 | Seabed surface layer natural gas hydrate exploitation method and device |
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