CN108612515A - A kind of sea bottom hydrate underground separator with spiral current stabilization cone - Google Patents
A kind of sea bottom hydrate underground separator with spiral current stabilization cone Download PDFInfo
- Publication number
- CN108612515A CN108612515A CN201810623356.9A CN201810623356A CN108612515A CN 108612515 A CN108612515 A CN 108612515A CN 201810623356 A CN201810623356 A CN 201810623356A CN 108612515 A CN108612515 A CN 108612515A
- Authority
- CN
- China
- Prior art keywords
- separator
- current stabilization
- spiral
- pipe nipple
- cone
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000006641 stabilisation Effects 0.000 title claims abstract description 65
- 238000011105 stabilization Methods 0.000 title claims abstract description 65
- 210000002445 nipple Anatomy 0.000 claims abstract description 70
- 239000002002 slurry Substances 0.000 claims abstract description 36
- 239000013049 sediment Substances 0.000 claims abstract description 35
- 239000000203 mixture Substances 0.000 claims abstract description 27
- 238000000926 separation method Methods 0.000 claims abstract description 14
- 239000002245 particle Substances 0.000 claims abstract description 11
- 230000000694 effects Effects 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims description 21
- 150000004677 hydrates Chemical class 0.000 claims description 20
- 239000004576 sand Substances 0.000 claims description 18
- 230000037361 pathway Effects 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims description 5
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 description 21
- 238000010168 coupling process Methods 0.000 description 21
- 238000005859 coupling reaction Methods 0.000 description 21
- 239000007789 gas Substances 0.000 description 19
- NMJORVOYSJLJGU-UHFFFAOYSA-N methane clathrate Chemical compound C.C.C.C.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O NMJORVOYSJLJGU-UHFFFAOYSA-N 0.000 description 12
- 239000007787 solid Substances 0.000 description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Natural products C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- -1 methane hydrocarbon Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/34—Arrangements for separating materials produced by the well
- E21B43/38—Arrangements for separating materials produced by the well in the well
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
- E21B41/0099—Equipment or details not covered by groups E21B15/00 - E21B40/00 specially adapted for drilling for or production of natural hydrate or clathrate gas reservoirs; Drilling through or monitoring of formations containing gas hydrates or clathrates
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/01—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells specially adapted for obtaining from underwater installations
Abstract
Include separator pipe nipple, separator, spiral current stabilization cone, top connection, lower contact, lower hanging head, upper fixed disk, lower fixed disk, upper fixed cylinder, lower fixed cylinder the invention discloses a kind of sea bottom hydrate underground separator with spiral current stabilization cone.Mixture slurry enters the inner tube of separator pipe nipple from the through-hole of lower contact, pass sequentially through the through-hole of the through-hole of lower hanging head, the through-hole of lower fixed disk, upper fixed disk, enter spiral section under steering and current stabilization effect that last mixture slurry is bored in spiral current stabilization, mixture slurry is made to become screw；Cyclonic separation is carried out in eddy flow section, the silt particle isolated is discharged by sediment outflow pipe, and hydrate slurry is flowed out from overflow pipe.The present invention has the following advantages：Compact-sized, efficient, at low cost, internal movement-less part；Realize that the pressure drop reduction in the separator of underground, short-circuit flow are reduced, energy consumption is reduced；It can be used cooperatively with other tools, it is easy for installation, using flexible.
Description
Technical field
The present invention relates to sea bed gas hydrate production technique field more particularly to a kind of seas with spiral current stabilization cone
Bottom hydrate underground separator.
Background technology
Gas hydrates are also known as " combustible ice ", by based on methane hydrocarbon gas and water in certain temperature, pressure condition
" cage compound " of lower formation, white crystal structure.Its phosphorus content is equivalent to coal known to the whole world, oil and natural gas
Twice of equal energy gross reserves.Therefore, gas hydrates especially ocean gas hydrate is generally considered be 21 generation
The novel clean energy resources of discipline Substitute coal, oil and natural gas, while being also current still undeveloped large storage capacity
A kind of new energy.
In mid-May, 2017, the solid state fluidizing test mining project that the whole world is directed to weak cementing, the non-diagenesis hydrate in ocean for the first time exist
South Sea Shenhu sea area starts pilot production and successful ignition.Solid state fluidizing exploitation is in the temperature and pressure condition for not changing reservoir substantially
Under, by jet crushing mode, it is crushed solid-state hydrate layer, the mixture slurry being collected simultaneously after fluidisation is further continued for returning upwards defeated
The separation of hydrate and silt particle is carried out to underground separator, hydrate slurry is delivered up by continuous bimetallic tube to sea,
The silt particle backfill solidification mined bed isolated, prevents mined bed from collapsing.The separating effect of underground separator, during exploitation
The service life of equipment also has important influence.Therefore underground separator has the exploitation of sea bed gas hydrate
Important engineering significance.There are pressure drops for the current underground separator applied to the exploitation of hydrate solid state fluidizing greatly, high energy consumption, divides
The problems such as low from efficiency.
In view of the shortcomings of the prior art with vacancy, the present invention proposes a kind of sea bottom hydrate well bored with spiral current stabilization
Lower separation device.
Invention content
The present invention provides one kind for the deficiency of underground separator in existing exploitation sea bed gas hydrate technology
Sea bottom hydrate underground separator with spiral current stabilization cone.
A kind of sea bottom hydrate underground separator with spiral current stabilization cone, it is characterised in that：Including top connection, separator
Pipe nipple, spiral current stabilization cone, separator, lower contact；The top connection upper end is threadedly coupled with other tools, top connection lower end with
The threaded upper ends of separator pipe nipple connect；The separator pipe nipple is divided into inner and outer tubes, and the top setting in inner tube is used for
Fluid turns to and the spiral current stabilization of current stabilization is bored, and the upper fixed cylinder for compressing upper fixed disk is arranged, and the upper solid of fixed straight tube is arranged
Price fixing；The lower fixed disk for fixing cone cylinder is arranged in lower part in inner tube, and the lower fixed cylinder for compressing lower fixed disk is arranged, if
Set the lower hanging head for fixed lower fixed cylinder and sediment outflow pipe；Separator pipe nipple upper end is connect with top connection lower thread, separator
Pipe nipple lower end is connect with lower contact threaded upper ends；Sand removing cylinder is set in the lower contact, has sediment outflow channel, sediment outflow in sand removing cylinder
Sediment outflow pipe in channel internal orifice connection separator, the outlet of outer end are used to connect the sand conveying device of silt particle backfill, in lower contact
End is connect with the lower thread of separator pipe nipple, and lower contact lower end is threadedly coupled with other tools.The separator setting exists
In the inner tube of separator pipe nipple, the overflow pipe setting external screw thread in separator is connect with spiral current stabilization cone endoporus, in separator
Sediment outflow pipe lower end setting external screw thread is connect with sediment outflow channel internal orifice；The annular space of the top connection, separator pipe nipple and lower contact
For the feed pathway of sea bed gas hydrate exploitation, the inner cavity of separator pipe nipple and lower contact leads to for the liquid that returns of mixture slurry
Liquid channel is returned for hydrate slurry in the inner cavity in road, top connection.
In further technical solution, the top connection is double-layer structure, including nipple A and coupling A, nipple
A is connected with coupling A by floor A, and external screw thread is arranged in the upper end of nipple A, and the upper end of coupling A is arranged external screw thread, above connects
Head upper end is threadedly coupled with other tools, and internal thread is arranged in the lower end of nipple A, and the lower end of coupling A is arranged internal thread, above connects
Head lower end is connect with the threaded upper ends of separator pipe nipple；The annular space of top connection is that the feed liquor of sea bed gas hydrate exploitation is logical
Liquid channel is returned for hydrate slurry in the inner cavity in road, top connection.
In further technical solution, the separator pipe nipple includes inner and outer tubes, and outer spiral shell is arranged in the upper end of inner tube
The lower end of line and the nipple A of top connection connect, and the lower end of the upper end setting external screw thread of outer tube and the coupling A of top connection connect
It connects, the upper end of the lower end setting external screw thread of inner tube and the nipple B of lower contact connect, and the lower end setting external screw thread of outer tube connects under
The upper end connection of the coupling B of head；The annular space of separator pipe nipple is the feed pathway of sea bed gas hydrate exploitation, inner tube
Liquid channel is returned for mixture slurry in inner cavity.
In further technical solution, the inner tube is double end spill pore structure, is packed in inner tube upper female hole solid
Price fixing, upper fixed disk upper end are the upper fixed cylinders that disk is fixed in axially position, and upper fixed cylinder upper end is upper solid for limiting
The spiral current stabilization cone of safety barrel axial movement；Inner tube lower concave hole embeds lower fixed disk, and lower fixed disk lower end is for axial fixed
The lower fixed cylinder of position lower fixed disk, lower fixed cylinder lower end are the lower hanging heads for limiting lower fixed cylinder axial movement.
In further technical solution, spiral current stabilization cone includes end cap and screw conic, and the cone setting of spiral current stabilization exists
In the inner tube of separator pipe nipple, the annular space that is arranged between separator and inner tube of entrance of spiral current stabilization cone, fluid passes through spiral
The end cap of current stabilization cone realizes 180 degree flow direction variation, and helical blade is entered by screw conic.
In further technical solution, the end cap outer end is equipped with external screw thread, and shape is annular hemisphere hat shape；Screw conic
Entrance in helical blade is set, and helically linear to coordinate with helical blade, cone section diameter gradually increases from top to bottom, Neng Gouhuan
Solution comes liquid impact and steady flow condition；The center of spiral current stabilization cone is equipped with threaded hole A, is threadedly coupled with overflow pipe.
In further technical solution, the mounting hole for entangling separator direct tube section firm is arranged in the upper fixed disk center
A, there are four spoke A connections, the through-hole A between spoke A is mixture slurry for setting between mounting hole A and outer shroud A in upper fixed disk
Return liquid channel；The lower fixed disk centrally disposed mounting hole B for entangling the conical cylinder section of separator firm, it is solid in lower fixed disk
Determine spoke B connections there are four settings between hole B and outer shroud B, the through-hole B between spoke B returns liquid channel for mixture slurry；It is described
Lower hanging head centrally disposed threaded hole B, lower hanging head threaded hole B connect with the external screw thread on the sediment outflow pipe top in separator, screw thread
Four through-hole C that liquid is returned for mixture slurry, the lower thread connection of lower hanging head and inner tube is arranged in hole B surroundings.
In further technical solution, the separator is arranged in the inner tube of separator pipe nipple, and separator is divided into spiral shell
Section and eddy flow section are revolved, spiral section carries out spiral stream guidance to mixture slurry and pre-separation acts on, and eddy flow section revolves mixture slurry
Flow separation；Separator is arranged the setting external screw thread of the overflow pipe in the lower end that spiral current stabilization is bored, separator and is connect with end cap, detaches
Sediment outflow pipe lower end setting external screw thread in device is connect with sediment outflow channel internal orifice.
In further technical solution, the lower contact is double-layer structure, including nipple B and coupling B, nipple
B is connected by sand removing cylinder with floor B with coupling B；The lower end of upper end the setting internal thread and separator pipe nipple inner tube of nipple B
The upper end setting internal thread of connection, coupling B is connect with the lower end of separator pipe nipple outer tube, and outer spiral shell is arranged in the lower end of nipple B
External screw thread is arranged in the lower end of line, coupling B, and lower contact lower end is threadedly coupled with other tools；There is sediment outflow channel in sand removing cylinder, arranges
Sand channel internal orifice setting internal thread connects sediment outflow pipe, and the outlet of outer end is used to connect the sand conveying device of silt particle backfill；Lower contact
Annular space be sea bed gas hydrate exploitation feed pathway, the inner cavity of lower contact is that mixture slurry returns liquid channel.
Compared with prior art, the invention has the advantages that：
（1）Gas hydrates underground separator proposed by the present invention with spiral current stabilization cone, compact-sized, small, effect
High, at low cost, the internal movement-less part of rate；
（2）Gas hydrates underground separator proposed by the present invention with spiral current stabilization cone effectively realizes underground separation
Pressure drop reduction, short-circuit flow in device are reduced, energy consumption is reduced, and improve the processing capacity of underground separator；
（3）Underground separator proposed by the present invention with spiral current stabilization cone is disposed with top connection and lower contact, can be with other works
Tool is used cooperatively, easy for installation, using flexible.
Description of the drawings
Fig. 1 is a kind of sectional view of the gas hydrates underground separator with spiral current stabilization cone of the present invention；
Fig. 2 is a kind of local openings schematic diagram of the gas hydrates underground separator with spiral current stabilization cone of the present invention；
Fig. 3 is a kind of A-A sectional views of the gas hydrates underground separator with spiral current stabilization cone of the present invention；
Fig. 4 is a kind of B-B sectional views of the gas hydrates underground separator with spiral current stabilization cone of the present invention；
Fig. 5 is the structural representation of the lower hanging head in a kind of gas hydrates underground separator with spiral current stabilization cone of the present invention
Figure；
Fig. 6 is that the structure of the upper fixed disk in a kind of gas hydrates underground separator with spiral current stabilization cone of the present invention is shown
It is intended to；
Fig. 7 is that the structure of the lower fixed disk in a kind of gas hydrates underground separator with spiral current stabilization cone of the present invention is shown
It is intended to；
Fig. 8 is the structural representation of the top connection in a kind of gas hydrates underground separator with spiral current stabilization cone of the present invention
Figure；
Fig. 9 is the C-C section views of the top connection in a kind of gas hydrates underground separator with spiral current stabilization cone of the present invention
Figure；
Figure 10 is that the structure of the lower contact in a kind of gas hydrates underground separator with spiral current stabilization cone of the present invention is shown
It is intended to；
Figure 11 is the D-D section views of the lower contact in a kind of gas hydrates underground separator with spiral current stabilization cone of the present invention
Figure；
Figure 12 is the knot of the spiral current stabilization cone in a kind of gas hydrates underground separator with spiral current stabilization cone of the present invention
Structure schematic diagram；
Figure 13 is cuing open for the spiral current stabilization cone in a kind of gas hydrates underground separator with spiral current stabilization cone of the present invention
View.
In above-mentioned attached drawing, the corresponding component names of reference numeral are as follows：
1- top connections, 2- overflow pipes, 3- spiral current stabilizations are bored, 4- inner tubes, and disk, 6- separators, 7- separator pipe nipples, 8- are fixed on 5-
Lower fixed disk, hanging head under 9-, 10- lower contacts, 11- outer tubes, the upper fixed cylinders of 12-, 13- straight tubes, 14- cone cylinders, fixed cylinder under 15-,
16- sediment outflow pipes, 17- sand removing cylinders, 18- sediment outflows channel, 19- internal orifices, 20- outlets, outside 21- threaded holes A, 22- nipple A, 23-
Connector A, 24- floor A, 25- nipple B, 26- coupling B, 27- floor B, 28- end cap, 29- screw conics, 30- helical blades,
31- mounting holes A, 32- outer shroud A, 33- spoke A, 34- mounting hole B, 35- outer shroud B, 36- spoke B, 37- threaded hole B, 38- through-hole,
39- spiral sections, 40- eddy flow sections.
Specific implementation mode
The invention will be further described with reference to the accompanying drawings and examples, and embodiments of the present invention include but not limited to
The following example.
Embodiment
A kind of gas hydrates underground separator structure such as Fig. 1 to Figure 12 institutes with vortex generator of the present invention
Show, including top connection 1, separator pipe nipple 7, spiral current stabilization cone 3, separator 6, lower contact 10；1 upper end of top connection and its
Its tool is threadedly coupled, and 1 lower end of top connection is connect with the threaded upper ends of separator pipe nipple 7；It is interior that the separator pipe nipple 7, which divides,
Pipe 4 and outer tube 11, the top setting in inner tube 4 is turned to for fluid and the spiral current stabilization of current stabilization cone 3, and fixed straight tube 13 is arranged
The upper fixed cylinder 12 for compressing upper fixed disk 5 is arranged in upper fixed disk 5；Lower part in inner tube 4 is arranged for fixing cone cylinder 14
The lower fixed cylinder 15 for compressing lower fixed disk 8 is arranged in lower fixed disk 8, and setting is for fixed lower fixed cylinder 15 and sediment outflow pipe 16
Lower hanging head 9；7 upper end of separator pipe nipple is connect with 1 lower thread of top connection, 7 lower end of separator pipe nipple and 10 upper end of lower contact
It is threadedly coupled；Sand removing cylinder 17 is set in the lower contact 10, has sediment outflow channel 18,18 internal orifice 19 of sediment outflow channel in sand removing cylinder 17
The sediment outflow pipe 16 in separator 6 is connected, the outlet 20 of outer end is used to connect the sand conveying device of silt particle backfill, 10 upper end of lower contact
It is connect with the lower thread of separator pipe nipple 7,10 lower end of lower contact is threadedly coupled with other tools.The separator 6 is arranged
In the inner tube 4 of separator pipe nipple 7, the overflow pipe 2 in separator 6 is arranged external screw thread and connects with 3 threaded hole A21 of spiral current stabilization cone
It connects, 16 lower end of the sediment outflow pipe setting external screw thread in separator 6 is connect with 18 internal orifice 19 of sediment outflow channel；The top connection 1, separation
Device pipe nipple 7 and the feed pathway that the annular space of lower contact 10 is sea bed gas hydrate exploitation, separator pipe nipple 7 and lower contact 10
Inner cavity be that mixture slurry returns liquid channel, the inner cavity of top connection 1 is that hydrate slurry returns liquid channel.
In further technical solution, the top connection 1 is double-layer structure, including nipple A22 and coupling A23,
Nipple A22 is connected with coupling A23 by floor A24, and external screw thread, the upper end of coupling A23 is arranged in the upper end of nipple A22
External screw thread is set, and 1 upper end of top connection is threadedly coupled with other tools, and internal thread, coupling A23 is arranged in the lower end of nipple A22
Lower end be arranged internal thread, 1 lower end of top connection is connect with the threaded upper ends of separator pipe nipple 7；The annular space of top connection 1 is seabed day
Liquid channel is returned in the feed pathway of right gas hydrate exploitation, the inner cavity of top connection 1 for hydrate slurry.
In further technical solution, the separator pipe nipple 7 includes inner tube 4 and outer tube 11, and the upper end of inner tube 4 is arranged
External screw thread is connect with the lower end of the nipple A22 of top connection 1, the coupling of upper end the setting external screw thread and top connection 1 of outer tube 11
The lower end of A23 connects, and the lower end setting external screw thread of inner tube 4 is connect with the upper end of the nipple B25 of lower contact 10, under outer tube 11
End setting external screw thread is connect with the upper end of the coupling B26 of lower contact 10；The annular space of separator pipe nipple 7 is hydrated for sea-bottom natural gas
Liquid channel is returned for mixture slurry in the inner cavity of the feed pathway of object exploitation, inner tube 4.
In further technical solution, the inner tube 4 is double end spill pore structure, and inner tube is packed in 4 upper female hole
Fixed disk 5, upper 5 upper end of fixed disk is the upper fixed cylinder 12 that disk 5 is fixed in axially position, and 12 upper end of upper fixed cylinder is to be used for
The spiral current stabilization cone 3 that fixed cylinder 12 moves axially in limitation；4 lower concave hole of inner tube embeds lower fixed disk 8, under lower fixed disk 8
End is the lower fixed cylinder 15 for axially position lower fixed disk 8, and lower 15 lower end of fixed cylinder is axial for limiting lower fixed cylinder 15
Mobile lower hanging head 9.
In further technical solution, spiral current stabilization cone 3 includes end cap 28 and screw conic 29, spiral current stabilization cone 3
It is arranged in the inner tube 4 of separator pipe nipple 7, the annular space between separator 6 and inner tube 4 is arranged in the entrance of spiral current stabilization cone 3, flows
Body realizes 180 degree flow direction variation by the end cap 28 of spiral current stabilization cone 3, and helical blade 30 is entered by screw conic 29.
In further technical solution, 28 outer end of end cap is equipped with external screw thread, and shape is annular hemisphere hat shape；Spiral
The entrance in helical blade 30 is arranged in cone 29, and helically linear to coordinate with helical blade 30, cone section diameter gradually increases from top to bottom
Greatly, it can alleviate and come liquid impact and steady flow condition；The center of spiral current stabilization cone 3 is equipped with threaded hole A21, connects with 2 screw thread of overflow pipe
It connects.
In further technical solution, the upper fixed disk 5 is centrally disposed for entangling consolidating for 6 direct tube section 13 of separator firm
Determine hole A31, setting is there are four spoke A33 connections between mounting hole A31 and outer shroud A32 in upper fixed disk 5, between spoke A33
Through-hole returns liquid channel for mixture slurry；The lower fixed disk 8 is centrally disposed for entangling consolidating for the conical cylinder section 14 of separator 6 firm
Determine hole B34, setting is there are four spoke B36 connections between mounting hole B34 and outer shroud B35 in lower fixed disk 8, between spoke B36
Through-hole returns liquid channel for mixture slurry；Lower the hanging head 9 centrally disposed threaded hole B37,9 threaded hole B37 of lower hanging head with point
Four through-holes that liquid is returned for mixture slurry are arranged in external screw thread connection from 16 top of sediment outflow pipe in device 6, threaded hole B37 surroundings
38, lower hanging head 9 is connect with the lower thread of inner tube 4.
In further technical solution, the separator 6 is arranged in the inner tube 4 of separator pipe nipple 7, and separator 6 divides
For spiral section 39 and eddy flow section 40, spiral section 39 carries out spiral stream guidance to mixture slurry and pre-separation acts on, and 40 pairs of eddy flow section is mixed
It closes slurry and carries out cyclonic separation；Outer spiral shell is arranged in the overflow pipe 2 that separator 6 is arranged in the lower end of spiral current stabilization cone 3, separator 6
Line is threadedly coupled with the threaded hole A21 in screw conic 29,16 lower end of the sediment outflow pipe setting external screw thread in separator 6 and sediment outflow channel
18 internal orifices 19 connect.
In further technical solution, the lower contact 10 is double-layer structure, including nipple B25 and coupling B26,
Nipple B25 is connected by sand removing cylinder 17 with floor B27 with coupling B26；The upper end of nipple B25 is arranged internal thread and detaches
The lower end connection of inner tube 4 in device pipe nipple 7, the upper end setting internal thread of coupling B26 and the lower end of 7 outer tube of separator pipe nipple connect
It connects, external screw thread is arranged in the lower end of nipple B25, and external screw thread, 10 lower end of lower contact and other tools are arranged in the lower end of coupling B26
It is threadedly coupled；There are sediment outflow channel 18,18 internal orifice 19 of sediment outflow channel that internal thread is set and connects sediment outflow pipe 16 in sand removing cylinder 17, outer end
Outlet 20 is used to connect the sand conveying device of silt particle backfill；The annular space of lower contact 10 is the feed liquor of sea bed gas hydrate exploitation
Liquid channel is returned for mixture slurry in the inner cavity in channel, lower contact 10.
The operation principle of the present invention：When solid state fluidizing exploits sea bed gas hydrate, need to introduce high pressure sea water progress
Jet crushing hydrate layer, the annulus access that 1 annular space of top connection, 7 annular space of separator pipe nipple, 10 annular space of lower contact form are high pressure
The feed pathway of seawater；After jet crushing, mixture slurry is collected in underground, and mixture slurry reaches well under the action of lifting pump
The lower contact 10 of lower separation device, mixture slurry enter the inner cavity of inner tube 4 in separator pipe nipple 7 from the inner cavity of lower contact 10, so
The through-hole arrival spiral current stabilization cone 3 for passing sequentially through the through-hole 38 of lower hanging head 9, the through-hole of lower fixed disk 8, upper fixed disk 5 afterwards, in spiral shell
Revolve the steering of current stabilization cone 3 and current stabilization effect be lower enters spiral section 39, under the pressure guide functions of spiral section 39, silt particle gradually to
Outer side diffusion, hydrate particle are drawn close to center, realize the pre-separation of mixture slurry, then mixture slurry enter eddy flow section 40 into
Row cyclonic separation, the silt particle isolated are discharged from sediment outflow pipe 16, are finally backfilling into shaft bottom from sediment outflow channel 18, the hydration isolated
Object slurry flows upwardly into the inner cavity of top connection 1 from overflow pipe 2, finally returns and is discharged to ocean platform progress post-processing.
The above is only a preferred embodiment of the present invention, it should be understood that the present invention is not limited to described herein
Form is not to be taken as excluding other embodiments, and can be used for other combinations, modifications, and environments, and can be at this
In the text contemplated scope, modifications can be made through the above teachings or related fields of technology or knowledge.And those skilled in the art institute into
Capable modifications and changes do not depart from the spirit and scope of the present invention, then all should be in the protection domain of appended claims of the present invention
It is interior.
Claims (5)
1. a kind of gas hydrates underground separator with spiral current stabilization cone, it is characterised in that：Including top connection（1）, point
From device pipe nipple（7）, spiral current stabilization cone（3）, separator（6）, lower contact（10）；The top connection（1）Upper end and other tools
It is threadedly coupled, top connection（1）Lower end and separator pipe nipple（7）Threaded upper ends connection；The separator pipe nipple（7）In being divided into
Pipe（4）And outer tube（11）, inner tube（4）In top setting for fluid turn to and current stabilization spiral current stabilization bore（3）, setting fixation
Straight tube（13）Upper fixed disk（5）, it is arranged for compressing upper fixed disk（5）Upper fixed cylinder（12）；Inner tube（4）In lower part set
It sets for fixing cone cylinder（14）Lower fixed disk（8）, it is arranged for compressing lower fixed disk（8）Lower fixed cylinder（15）, setting use
In fixed lower fixed cylinder（15）With sediment outflow pipe（16）Lower hanging head（9）；Separator pipe nipple（7）Upper end and top connection（1）Lower end spiral shell
Line connects, separator pipe nipple（7）Lower end and lower contact（10）Threaded upper ends connect；The lower contact（10）Interior setting sand removing cylinder
（17）, sand removing cylinder（17）Inside there is sediment outflow channel（18）, sediment outflow channel（18）Internal orifice（19）Connect separator（6）In sediment outflow pipe
（16）, the outlet of outer end（20）Sand conveying device for connecting silt particle backfill, lower contact（10）Upper end and separator pipe nipple（7）
Lower thread connection, lower contact（10）Lower end is threadedly coupled with other tools.
Separator described in 2.（6）It is arranged in separator pipe nipple（7）Inner tube in, separator（6）In overflow pipe（2）Setting is outer
Screw thread is bored with spiral current stabilization（3）Threaded hole A（21）Connection, separator（6）In sediment outflow pipe（16）External screw thread and row is arranged in lower end
Sand channel（18）Internal orifice（19）Connection；The top connection（1）, separator pipe nipple（7）And lower contact（10）Annular space be seabed
The feed pathway of exploitation of gas hydrates, separator pipe nipple（7）And lower contact（10）Inner cavity be mixture slurry to return liquid logical
Road, top connection（1）Inner cavity be that hydrate slurry returns liquid channel.
3. spiral current stabilization cone as described in claim 1 includes end cap（28）And screw conic（29）, spiral current stabilization cone（3）Setting exists
Separator pipe nipple（7）Inner tube（4）In, spiral current stabilization cone（3）Entrance be arranged in separator（6）With inner tube（4）Between ring
Sky, fluid are bored by spiral current stabilization（3）End cap（28）It realizes 180 degree flow direction variation, passes through screw conic（29）Enter spiral
Blade（30）.
4. end cap as claimed in claim 2（30）Outer end is equipped with external screw thread, and shape is annular hemisphere hat shape；Screw conic（29）If
It sets in helical blade（30）Entrance, helically linear and helical blade（30）Cooperation, cone section diameter gradually increase from top to bottom,
It can alleviate and come liquid impact and steady flow condition；Spiral current stabilization is bored（3）Center be equipped with threaded hole A（21）, with overflow pipe（2）Screw thread
Connection.
5. separator as described in claim 1（6）It is arranged in separator pipe nipple（7）Inner tube（4）In, separator（6）It is divided into
Spiral section（39）With eddy flow section（40）, spiral section（39）Spiral stream guidance and pre-separation effect, eddy flow section are carried out to mixture slurry
（40）Cyclonic separation is carried out to mixture slurry；Separator（6）Setting is bored in spiral current stabilization（3）Lower end, separator（6）In overflow
Flow tube（2）External screw thread and screw conic are set（29）Connection, separator（6）In sediment outflow pipe（16）External screw thread and sediment outflow is arranged in lower end
Channel（18）Internal orifice（19）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810623356.9A CN108612515A (en) | 2018-06-15 | 2018-06-15 | A kind of sea bottom hydrate underground separator with spiral current stabilization cone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810623356.9A CN108612515A (en) | 2018-06-15 | 2018-06-15 | A kind of sea bottom hydrate underground separator with spiral current stabilization cone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108612515A true CN108612515A (en) | 2018-10-02 |
Family
ID=63665267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810623356.9A Pending CN108612515A (en) | 2018-06-15 | 2018-06-15 | A kind of sea bottom hydrate underground separator with spiral current stabilization cone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108612515A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406749A (en) * | 2018-11-13 | 2019-03-01 | 西南石油大学 | A kind of solid state fluidizing water jet rock breaking and recovery experiment tool in situ |
| CN109488262A (en) * | 2019-01-21 | 2019-03-19 | 常州大学 | A kind of exploitation of gas hydrates silt cyclone separator |
| CN109882147A (en) * | 2019-03-16 | 2019-06-14 | 西南石油大学 | A kind of integral type hydrate situ downhole separation shunting means of high throughput |
| CN110029982A (en) * | 2019-05-08 | 2019-07-19 | 华东理工大学 | Cementing cyclone separator is broken in rotation |
| CN113090244A (en) * | 2021-04-19 | 2021-07-09 | 华东理工大学 | Natural gas hydrate rotational flow autorotation gel breaking separation method and separation device |
| CN113090245A (en) * | 2021-04-19 | 2021-07-09 | 华东理工大学 | Underground rotational flow sorting and separating device and method for natural gas hydrate |
| CN114687710A (en) * | 2022-03-30 | 2022-07-01 | 西南石油大学 | High-efficient separation degritting backfill device of thermal decomposition under water |
| CN114961690A (en) * | 2022-04-21 | 2022-08-30 | 宜宾学院 | Double-layer tube type series spiral hydrate in-situ separation and desanding device |
| CN114991741A (en) * | 2022-05-16 | 2022-09-02 | 东北石油大学 | Natural gas hydrate separation device and method |
Citations (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1424489A (en) * | 1974-01-28 | 1976-02-11 | Georgia Tech Res Inst | Device for separating solid or liquid particles from a gaseous medium |
| EP0037278A2 (en) * | 1980-04-01 | 1981-10-07 | ELAST-O-COR PRODUCTS & ENGINEERING LIMITED | Output header for hydrocyclones with concentric accept outlets |
| SU1115809A1 (en) * | 1983-06-03 | 1984-09-30 | Московский Ордена Трудового Красного Знамени Институт Химического Машиностроения | Hydrocyclone |
| SU1677282A1 (en) * | 1989-07-14 | 1991-09-15 | Нижневартовский научно-исследовательский и проектный институт нефтяной промышленности | Borehole gas-and-sand separator |
| US5476537A (en) * | 1994-06-20 | 1995-12-19 | Rockwell International Corporation | Separation of chemical species of a mixture using vortex separation |
| JPH08299728A (en) * | 1995-05-12 | 1996-11-19 | Toyo Gijutsu Kogyo Kk | Cyclone dust collector |
| WO1997025150A1 (en) * | 1996-01-12 | 1997-07-17 | Baker Hughes Limited | Cyclonic separator assembly and method |
| US6019825A (en) * | 1995-10-18 | 2000-02-01 | Gnesys, Inc. | Hydrocyclone gas separator |
| US6364940B1 (en) * | 1994-11-10 | 2002-04-02 | Mcdermott Technology Inc. | Compact, high-efficiency, gas/liquid separator method and apparatus |
| CN2563306Y (en) * | 2002-08-09 | 2003-07-30 | 胜利油田银星技术开发公司 | Hydraulic vortex sand separator |
| US20050236324A1 (en) * | 2004-04-26 | 2005-10-27 | Mildren Richard T | Relating to well head separators |
| WO2007021181A1 (en) * | 2005-08-16 | 2007-02-22 | Fmc Technologies C.V. | Hydrocyclone |
| WO2007049247A1 (en) * | 2005-10-28 | 2007-05-03 | M-I Epcon As | A separator tank for separation of fluid comprising water, oil and gas, use of such a tank, and a method for separating a fluid including water, oil, and gas |
| US20080251468A1 (en) * | 2004-02-27 | 2008-10-16 | David John Parkinson | Cyclone Assembly and Method For Increasing or Decreasing Flow Capacity of a Cyclone Separator in Use |
| WO2009006672A1 (en) * | 2007-07-12 | 2009-01-15 | Commonwealth Scientific And Industrial Research Organisation | Fluid-fluid separator |
| US20110083751A1 (en) * | 2006-09-28 | 2011-04-14 | Morten Ovesen | Vortex generator |
| GB201107063D0 (en) * | 2011-04-27 | 2011-06-08 | Dps Bristol Holdings Ltd | Separator |
| CN202064929U (en) * | 2011-01-27 | 2011-12-07 | 中国石油天然气集团公司 | Dynamic hydrocyclone for crude oil sand removal |
| US20120097280A1 (en) * | 2009-05-08 | 2012-04-26 | Watreco Ip Ab | Vortex generator with vortex chamber |
| CN102486095A (en) * | 2010-12-03 | 2012-06-06 | 中国石油天然气股份有限公司 | Pulverized coal device for mining coal bed methane |
| CN202427562U (en) * | 2011-12-30 | 2012-09-12 | 湛江南海西部石油合众近海建设有限公司 | Guide vane type cyclone tube with slotted structure |
| CN102698891A (en) * | 2012-05-31 | 2012-10-03 | 郭丰亮 | Growth type cyclone dust collector |
| CN104785384A (en) * | 2015-04-15 | 2015-07-22 | 北京石油化工学院 | Axial entrance static hydrocyclone for pre-dehydration of oil-well produced water |
| US20150217211A1 (en) * | 2012-08-08 | 2015-08-06 | Advanced Technologies & Innovations B.V. | Apparatus for Cyclone Separation of a Fluid Flow Into a Gas Phase and a Liquid Phase and Vessel Provided with such an Apparatus |
| CN205638415U (en) * | 2016-04-27 | 2016-10-12 | 武汉工程大学 | Horizontal superhigh pressure solid -liquid separation sand removing device |
| CN106622700A (en) * | 2015-07-17 | 2017-05-10 | 重庆蓝洁广顺净水材料有限公司 | Cyclone separator |
| CN206549852U (en) * | 2017-02-24 | 2017-10-13 | 宁波神通模塑有限公司 | A kind of adjustable constant current type cyclone separator |
| CN107971150A (en) * | 2017-11-22 | 2018-05-01 | 东北石油大学 | A kind of wide flow accommodation structure adjustable cyclone of axial-flow type |
| CN207315341U (en) * | 2017-10-17 | 2018-05-04 | 西南石油大学 | A kind of modularization sea bed gas hydrate underground separator |
| CN207463471U (en) * | 2017-06-26 | 2018-06-08 | 东北石油大学 | A kind of degassing oil removing waterpower coalescing devices |
| CN208456574U (en) * | 2018-06-15 | 2019-02-01 | 西南石油大学 | A kind of sea bottom hydrate underground separator with spiral current stabilization cone |
-
2018
- 2018-06-15 CN CN201810623356.9A patent/CN108612515A/en active Pending
Patent Citations (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1424489A (en) * | 1974-01-28 | 1976-02-11 | Georgia Tech Res Inst | Device for separating solid or liquid particles from a gaseous medium |
| EP0037278A2 (en) * | 1980-04-01 | 1981-10-07 | ELAST-O-COR PRODUCTS & ENGINEERING LIMITED | Output header for hydrocyclones with concentric accept outlets |
| SU1115809A1 (en) * | 1983-06-03 | 1984-09-30 | Московский Ордена Трудового Красного Знамени Институт Химического Машиностроения | Hydrocyclone |
| SU1677282A1 (en) * | 1989-07-14 | 1991-09-15 | Нижневартовский научно-исследовательский и проектный институт нефтяной промышленности | Borehole gas-and-sand separator |
| US5476537A (en) * | 1994-06-20 | 1995-12-19 | Rockwell International Corporation | Separation of chemical species of a mixture using vortex separation |
| US6364940B1 (en) * | 1994-11-10 | 2002-04-02 | Mcdermott Technology Inc. | Compact, high-efficiency, gas/liquid separator method and apparatus |
| JPH08299728A (en) * | 1995-05-12 | 1996-11-19 | Toyo Gijutsu Kogyo Kk | Cyclone dust collector |
| US6019825A (en) * | 1995-10-18 | 2000-02-01 | Gnesys, Inc. | Hydrocyclone gas separator |
| WO1997025150A1 (en) * | 1996-01-12 | 1997-07-17 | Baker Hughes Limited | Cyclonic separator assembly and method |
| CN2563306Y (en) * | 2002-08-09 | 2003-07-30 | 胜利油田银星技术开发公司 | Hydraulic vortex sand separator |
| US20080251468A1 (en) * | 2004-02-27 | 2008-10-16 | David John Parkinson | Cyclone Assembly and Method For Increasing or Decreasing Flow Capacity of a Cyclone Separator in Use |
| US20050236324A1 (en) * | 2004-04-26 | 2005-10-27 | Mildren Richard T | Relating to well head separators |
| WO2007021181A1 (en) * | 2005-08-16 | 2007-02-22 | Fmc Technologies C.V. | Hydrocyclone |
| WO2007049247A1 (en) * | 2005-10-28 | 2007-05-03 | M-I Epcon As | A separator tank for separation of fluid comprising water, oil and gas, use of such a tank, and a method for separating a fluid including water, oil, and gas |
| US20110083751A1 (en) * | 2006-09-28 | 2011-04-14 | Morten Ovesen | Vortex generator |
| WO2009006672A1 (en) * | 2007-07-12 | 2009-01-15 | Commonwealth Scientific And Industrial Research Organisation | Fluid-fluid separator |
| US20120097280A1 (en) * | 2009-05-08 | 2012-04-26 | Watreco Ip Ab | Vortex generator with vortex chamber |
| CN102486095A (en) * | 2010-12-03 | 2012-06-06 | 中国石油天然气股份有限公司 | Pulverized coal device for mining coal bed methane |
| CN202064929U (en) * | 2011-01-27 | 2011-12-07 | 中国石油天然气集团公司 | Dynamic hydrocyclone for crude oil sand removal |
| GB201107063D0 (en) * | 2011-04-27 | 2011-06-08 | Dps Bristol Holdings Ltd | Separator |
| CN202427562U (en) * | 2011-12-30 | 2012-09-12 | 湛江南海西部石油合众近海建设有限公司 | Guide vane type cyclone tube with slotted structure |
| CN102698891A (en) * | 2012-05-31 | 2012-10-03 | 郭丰亮 | Growth type cyclone dust collector |
| US20150217211A1 (en) * | 2012-08-08 | 2015-08-06 | Advanced Technologies & Innovations B.V. | Apparatus for Cyclone Separation of a Fluid Flow Into a Gas Phase and a Liquid Phase and Vessel Provided with such an Apparatus |
| CN104785384A (en) * | 2015-04-15 | 2015-07-22 | 北京石油化工学院 | Axial entrance static hydrocyclone for pre-dehydration of oil-well produced water |
| CN106622700A (en) * | 2015-07-17 | 2017-05-10 | 重庆蓝洁广顺净水材料有限公司 | Cyclone separator |
| CN205638415U (en) * | 2016-04-27 | 2016-10-12 | 武汉工程大学 | Horizontal superhigh pressure solid -liquid separation sand removing device |
| CN206549852U (en) * | 2017-02-24 | 2017-10-13 | 宁波神通模塑有限公司 | A kind of adjustable constant current type cyclone separator |
| CN207463471U (en) * | 2017-06-26 | 2018-06-08 | 东北石油大学 | A kind of degassing oil removing waterpower coalescing devices |
| CN207315341U (en) * | 2017-10-17 | 2018-05-04 | 西南石油大学 | A kind of modularization sea bed gas hydrate underground separator |
| CN107971150A (en) * | 2017-11-22 | 2018-05-01 | 东北石油大学 | A kind of wide flow accommodation structure adjustable cyclone of axial-flow type |
| CN208456574U (en) * | 2018-06-15 | 2019-02-01 | 西南石油大学 | A kind of sea bottom hydrate underground separator with spiral current stabilization cone |
Non-Patent Citations (1)
| Title |
|---|
| 赵立新,宋民航,蒋明虎,李枫,张勇: "轴流式旋流分离器研究进展", 《化工机械》 * |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406749A (en) * | 2018-11-13 | 2019-03-01 | 西南石油大学 | A kind of solid state fluidizing water jet rock breaking and recovery experiment tool in situ |
| CN109488262B (en) * | 2019-01-21 | 2021-10-08 | 常州大学 | Silt cyclone separator for natural gas hydrate exploitation |
| CN109488262A (en) * | 2019-01-21 | 2019-03-19 | 常州大学 | A kind of exploitation of gas hydrates silt cyclone separator |
| CN109882147A (en) * | 2019-03-16 | 2019-06-14 | 西南石油大学 | A kind of integral type hydrate situ downhole separation shunting means of high throughput |
| CN110029982A (en) * | 2019-05-08 | 2019-07-19 | 华东理工大学 | Cementing cyclone separator is broken in rotation |
| CN113090245A (en) * | 2021-04-19 | 2021-07-09 | 华东理工大学 | Underground rotational flow sorting and separating device and method for natural gas hydrate |
| CN113090244A (en) * | 2021-04-19 | 2021-07-09 | 华东理工大学 | Natural gas hydrate rotational flow autorotation gel breaking separation method and separation device |
| CN113090244B (en) * | 2021-04-19 | 2022-02-15 | 华东理工大学 | Natural gas hydrate rotational flow autorotation gel breaking separation method and separation device |
| WO2022222333A1 (en) * | 2021-04-19 | 2022-10-27 | 华东理工大学 | Sorting and separating device and method for natural gas hydrate underground cyclone |
| CN114687710A (en) * | 2022-03-30 | 2022-07-01 | 西南石油大学 | High-efficient separation degritting backfill device of thermal decomposition under water |
| CN114687710B (en) * | 2022-03-30 | 2023-09-15 | 西南石油大学 | Underwater thermal decomposition efficient separation sand removal backfill device |
| CN114961690A (en) * | 2022-04-21 | 2022-08-30 | 宜宾学院 | Double-layer tube type series spiral hydrate in-situ separation and desanding device |
| CN114961690B (en) * | 2022-04-21 | 2023-08-15 | 宜宾学院 | Double-layer tube type series spiral hydrate in-situ separation sand removal device |
| CN114991741A (en) * | 2022-05-16 | 2022-09-02 | 东北石油大学 | Natural gas hydrate separation device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108612515A (en) | A kind of sea bottom hydrate underground separator with spiral current stabilization cone | |
| CN208456574U (en) | A kind of sea bottom hydrate underground separator with spiral current stabilization cone | |
| CN110029983B (en) | Multi-stage separator | |
| CN108590622A (en) | A kind of gas hydrates underground separator with vortex generator | |
| CN105672876B (en) | A kind of combustible ice drilling and the integrated quarrying apparatus of gasification separation and method | |
| CN108222894A (en) | It is a kind of to melt the silt particle backfilling apparatus adopted for gas hydrates time tractive current | |
| CN214091833U (en) | Gel breaking separation mechanism and natural gas hydrate-sand cementing particle gel breaking separation device | |
| CN113090246B (en) | Natural gas hydrate underground in-situ desanding device and method for double-layer pipe drilling | |
| CN102071916B (en) | Jet pump thereof | |
| CN1329619C (en) | System to reduce hydrostatic pressure in risers using buoyant spheres | |
| CN208347745U (en) | A kind of non-diagenesis gas hydrates lifting device of sea-bottom shallow | |
| CN102094617B (en) | Pitch-variable spiral gas anchor | |
| CN208168861U (en) | A kind of gas hydrates underground separator with vortex generator | |
| CN109488262B (en) | Silt cyclone separator for natural gas hydrate exploitation | |
| CN109184658B (en) | Bias symmetrical parallel type seabed shallow natural gas hydrate in-situ separation device | |
| CN113153235B (en) | Underground hydraulic breaking, recovering and separating device for natural gas hydrate | |
| CN108678679B (en) | A kind of sea bed gas hydrate layer composite drill bit | |
| CN107762479A (en) | A kind of tandem sea-bottom shallow gas hydrates in-situ separating device | |
| CN203879480U (en) | Pumping well cylindrical type separator | |
| CN211692433U (en) | Underground three-phase separator | |
| CN207974803U (en) | It is a kind of to melt the silt particle backfilling apparatus adopted for gas hydrates time tractive current | |
| CN112761575A (en) | Slip and cone integrated bridge plug and preparation method thereof | |
| CN2931780Y (en) | Down-hole oil-water separator | |
| CN204552726U (en) | A kind of sand setting air trap device | |
| CN104549794A (en) | Underflow control device for hydrocyclone |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181002 |
|
| WD01 | Invention patent application deemed withdrawn after publication |