CN108590622A - A kind of gas hydrates underground separator with vortex generator - Google Patents
A kind of gas hydrates underground separator with vortex generator Download PDFInfo
- Publication number
- CN108590622A CN108590622A CN201810421600.3A CN201810421600A CN108590622A CN 108590622 A CN108590622 A CN 108590622A CN 201810421600 A CN201810421600 A CN 201810421600A CN 108590622 A CN108590622 A CN 108590622A
- Authority
- CN
- China
- Prior art keywords
- separator
- connection
- nipple
- vortex generator
- pipe nipple
- 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.)
- Granted
Links
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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Cyclones (AREA)
Abstract
The invention discloses a kind of, and the gas hydrates underground separator with vortex generator includes top connection, separator pipe nipple, vortex generator, separator, lower contact；Top connection upper end is connect with other tools, and top connection lower end is connect with separator pipe nipple upper end, and separator pipe nipple lower end is connect with lower contact upper end, and lower contact lower end is connect with other tools；Separator pipe nipple is divided into inner and outer tubes, and hanging head, upper fixed cylinder, upper fixed disk, lower fixed disk, lower fixed cylinder, lower hanging head, vortex generator and separator are disposed in inner tube；Liquid channel is returned in the inner cavity of the feed pathway that the annular space of top connection, separator pipe nipple and lower contact is exploited for hydrate, separator pipe nipple and lower contact for mixture slurry, and liquid channel is returned in the inner cavity of top connection for hydrate slurry.The present invention has the following advantages：Reduce mixture slurry and hits the energy loss generated；Pressure drop is reduced, mixture slurry flow regime is made more to stablize；It can be used cooperatively with other tools, using flexible.
Description
Technical field
The present invention relates to sea bed gas hydrate production technique field more particularly to a kind of days with vortex generator
Right gas 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.Sea bed gas hydrate Tibetan reserves are huge, and the utilization that sea bottom hydrate is hidden will realize China's energy
Sustainable development, the grand strategy field for ensureing national energy security.
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.It is logical to be not provided with silt particle backfill for the underground separator applied to the exploitation of hydrate solid state fluidizing at present
The problems such as road, there are pressure drops greatly, high energy consumption, low separation efficiency.
In view of the shortcomings of the prior art with vacancy, the present invention proposes a kind of gas hydrates with vortex generator
Underground separator.
Invention content
The present invention provides one kind for the deficiency of underground separator in existing exploitation sea bed gas hydrate technology
Gas hydrates underground separator with vortex generator.
A kind of gas hydrates underground separator with vortex generator, it is characterised in that：Including top connection, separation
Device pipe nipple, vortex generator, separator, lower contact；The top connection upper end is threadedly coupled with other tools, top connection lower end
It is connect with the threaded upper ends of separator pipe nipple；The separator pipe nipple is divided into inner and outer tubes, and the top setting in inner tube is used
Lower part setting in the direct tube section axially position of separator and upper fixed disk, upper fixed cylinder and the upper hanging head of righting, inner tube is used
In the conical cylinder section axially position of separator and lower fixed disk, lower fixed cylinder and the lower hanging head of righting, separator pipe nipple upper end with it is upper
Connector lower thread connects, and separator pipe nipple lower end is connect with lower contact threaded upper ends；Sand removing cylinder is set in the lower contact,
There are sediment outflow channel, sediment outflow channel internal orifice to connect the sediment outflow pipe in separator in sand removing cylinder, the outlet of outer end is for connecting silt particle
The sand conveying device of backfill, lower contact upper end are connect with the lower thread of separator pipe nipple, lower contact lower end and other tool screw threads
Connection；The vortex generator is arranged in the inner tube of separator pipe nipple, and entrance and the helix tube spiral of vortex generator are cut
To connection, the upper end of vortex generator is threadedly coupled with upper hanging head, and the lower end of vortex generator and the upper end of separator pass through spiral shell
Bolt nut connects；The separator is arranged in the inner tube of separator pipe nipple, overflow pipe in separator setting external screw thread with
End cap connects, and the sediment outflow pipe lower end setting external screw thread in separator is connect with sediment outflow channel internal orifice；The top connection, separator
The inner cavity of pipe nipple and the feed pathway that the annular space of lower contact is sea bed gas hydrate exploitation, separator pipe nipple and lower contact is
Mixture slurry returns liquid channel, and liquid channel is returned in the inner cavity of top connection for hydrate slurry.
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 upper hanging head of safety barrel axial movement；Inner tube lower concave hole embeds lower fixed disk, and lower fixed disk lower end is under axially position
The lower fixed cylinder of fixed disk, lower fixed cylinder lower end are the lower hanging heads for limiting lower fixed cylinder axial movement.
In further technical solution, the mounting hole for entangling separator direct tube section firm is arranged in the upper fixed disk center
A, upper fixed disk are arranged feed inlet in connecting pedestal there are two pedestal is connected, four connecting holes, spiral shell are arranged around feed inlet
Coil nozzle face feed inlet, helix tube are connected with pedestal is connect using bolt and nut；Mounting hole A and outer shroud A in upper fixed disk
Between setting there are four spoke A connections, the through-hole A between spoke A returns liquid channel for mixture slurry；In the lower fixed disk
The heart is arranged the mounting hole B of conical cylinder section for entangling separator firm, in lower fixed disk between mounting hole B and outer shroud B there are four settings
Spoke B connections, through-hole B between spoke B are that mixture slurry returns liquid channel；The centrally disposed threaded hole A of the upper hanging head, on
The end cap threaded upper ends of hanging head threaded hole A and vortex generator connect, the upper end internal thread of upper hanging head setting external screw thread and inner tube
Connection；The external screw thread of the lower hanging head centrally disposed threaded hole B, lower hanging head threaded hole B and the sediment outflow pipe top in separator
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 connection, threaded hole B surroundings.
In further technical solution, the vortex generator is arranged in the inner tube of separator pipe nipple, including end cap,
Outer barrel and twin-feed spiral blade, end cap lower end are connect with outer barrel upper end setting screw, and external screw thread and upper hanging head is arranged in end cap upper end
The internal thread hole of an overflow pipe for connecting separator, the straight tube of outer barrel lower end and separator is arranged in connection, end cap central
Duan Shangduan is arranged bolt and nut and connects, and twin-feed spiral blade is arranged in the outside of overflow pipe, each of twin-feed spiral blade
The tangential outlet of upper port face helix tube.
In further technical solution, the separator is arranged in the inner tube of separator pipe nipple, and separator setting exists
The lower end of vortex generator, the overflow pipe setting external screw thread in separator are connect with end cap, and the sediment outflow pipe lower end in separator is set
External screw thread is set to 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）Day proposed by the present invention with vortex generator
Right gas hydrate underground separator effectively realizes the pressure drop reduction in the separator of underground, short-circuit flow is reduced, can depletion
It is few, improve the processing capacity of underground separator；（2）Underground separator proposed by the present invention with vortex generator,
Twin-feed spiral blade in vortex generator, each helical blade port are reduced respectively with a tangential face of helix tube
The energy loss that fluid impact generates, while twin-feed spiral blade is but also fluid flow state is more stablized；（3）The present invention
The underground separator with vortex generator proposed is disposed with top connection and lower contact, can be used cooperatively with other tools,
It is easy for installation, using flexible.
Description of the drawings
Fig. 1 is a kind of sectional view of the gas hydrates underground separator with vortex generator of the present invention；
Fig. 2 is a kind of local openings schematic diagram of the gas hydrates underground separator with vortex generator of the present invention；
Fig. 3 is a kind of A-A sectional views of the gas hydrates underground separator with vortex generator of the present invention；
Fig. 4 is a kind of B-B sectional views of the gas hydrates underground separator with vortex generator of the present invention；
Fig. 5 is the structural representation of the lower hanging head in a kind of gas hydrates underground separator with vortex generator of the present invention
Figure；
Fig. 6 is the C-C section views of the lower hanging head in a kind of gas hydrates underground separator with vortex generator of the present invention
Figure；
Fig. 7 is that the structure of the upper fixed disk in a kind of gas hydrates underground separator with vortex generator of the present invention is shown
It is intended to；
Fig. 8 is that the structure of the lower fixed disk in a kind of gas hydrates underground separator with vortex generator of the present invention is shown
It is intended to；
Fig. 9 is the structural representation of the top connection in a kind of gas hydrates underground separator with vortex generator of the present invention
Figure；
Figure 10 is the D-D section views of the top connection in a kind of gas hydrates underground separator with vortex generator of the present invention
Figure；
Figure 11 is that the structure of the lower contact in a kind of gas hydrates underground separator with vortex generator of the present invention is shown
It is intended to；
Figure 12 is the E-E section views of the lower contact in a kind of gas hydrates underground separator with vortex generator of the present invention
Figure.
In above-mentioned attached drawing, the corresponding component names of reference numeral are as follows：
1- top connections, 2- separator pipe nipples, 3- vortex generators, 4- separators, 5- lower contacts, 6- inner tubes, 7- outer tubes, 8- straight tubes
Section, fixes disk on 9-, the upper fixed cylinders of 10-, the upper hanging heads of 11-, 12- conical cylinder sections, 13- lower fixed disks, fixed cylinder under 14-, is hung under 15-
Head, 16- sand removing cylinders, 17- sediment outflows channel, 18- internal orifices, 19- sediment outflow pipes, 20- outlets, 21- helix tubes, 22- bolts, 23- spiral shells
Mother, 24- overflow pipes, 25- external screw threads, 26- end caps, 27- external screw threads, outside 28- nipples A, 29- coupling A, 30- floor A, 31-
Screw thread, 32- external screw threads, 33- internal threads, 34- internal threads, 35- external screw threads, 36- external screw threads, 37- external screw threads, 38- nipple B,
39- external screw threads, 40- couplings B, 41- mounting hole A, 42- connection pedestal, 43- outer shrouds A, 44- spoke A, 45- through-hole A, 46- are solid
Determine hole B, 47- outer shrouds B, 48- spoke B, 49- through-hole B, 50- threaded hole A, 51- external screw thread, 52- internal threads, 53- threaded hole B,
54- external screw threads, 55- through-holes C, 56- outer barrel, 57- twin-feed spiral blades, 58- screws, 59- external screw threads, 60- internal thread holes, 61-
Floor B, 62- internal thread, 63- internal threads, 64- external screw threads, 65- external screw threads, 66- internal threads, 67- feed inlets, 68- threaded holes,
69- bolts, 70- nuts, 71- bolts, 72- nuts, 73- bolts, 74- nuts.
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
It is 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 2, vortex generator 3, separator 4, lower contact 5；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 2；It is interior that the separator pipe nipple 2, which divides,
Pipe 6 and outer tube 7, top setting in inner tube 6 for separator 48 axially position of direct tube section and righting upper fixed disk 9,
Fixed cylinder 10 and upper hanging head 11, lower part setting in inner tube 6 for separator 4 12 axially position of conical cylinder section and righting it is lower solid
Price fixing 13, lower fixed cylinder 14 and lower hanging head 15,2 upper end of separator pipe nipple are connect with 1 lower thread of top connection, separator pipe nipple 2
Lower end is connect with 5 threaded upper ends of lower contact；Sand removing cylinder 16 is set in the lower contact 5, has sediment outflow channel 17 in sand removing cylinder 16,
Sediment outflow pipe 19 in the 17 internal orifice 18 connection separator 4 of sediment outflow channel, the outlet 20 of outer end are used to connect the sediment transport of silt particle backfill
Device, 5 upper end of lower contact are connect with the lower thread of separator pipe nipple 2, and 5 lower end of lower contact is threadedly coupled with other tools；Institute
The vortex generator 3 stated is arranged in the inner tube 6 of separator pipe nipple 2, and the entrance and 21 spiral of helix tube of vortex generator 3 are tangential
Connection, the upper end of vortex generator 3 are threadedly coupled with upper hanging head 11, and the lower end and the upper end of separator 4 of vortex generator 3 pass through
22 nut 23 of bolt connects；The separator 4 is arranged in the inner tube 6 of separator pipe nipple 2, the overflow pipe 24 in separator 4
Setting external screw thread 25 is connect with end cap 26,19 lower end of the sediment outflow pipe setting external screw thread 27 in separator 4 and 17 internal orifice of sediment outflow channel
18 connections；The annular space of the top connection 1, separator pipe nipple 2 and lower contact 5 is that the feed liquor of sea bed gas hydrate exploitation is logical
Liquid channel is returned in the inner cavity of road, separator pipe nipple 2 and lower contact 5 for mixture slurry, and the inner cavity of top connection 1 is hydrate slurry
Return liquid channel.
As shown in Fig. 2, Fig. 9 and Figure 10, the top connection 1 is double-layer structure, including nipple A28 and coupling A29,
Nipple A28 is connected with coupling A29 by floor A30, and external screw thread 31 is arranged in the upper end of nipple A28, and coupling A29's is upper
End setting external screw thread 32,1 upper end of top connection are threadedly coupled with other tools, and internal thread 33 is arranged in the lower end of nipple A28, external
Internal thread 34 is arranged in the lower end of head A29, and 1 lower end of top connection is connect with the threaded upper ends of separator pipe nipple 2；The annular space of top connection 1
Liquid channel is returned for hydrate slurry in inner cavity for the feed pathway of sea bed gas hydrate exploitation, top connection 1.
As shown in Figure 1 to Figure 2, the separator pipe nipple 2 includes inner tube 6 and outer tube 7, and outer spiral shell is arranged in the upper end of inner tube 6
Line 35 is connect with the lower end of the nipple A28 of top connection 1, the coupling of upper end the setting external screw thread 36 and top connection 1 of outer tube 7
The lower end of A29 connects, and the lower end setting external screw thread 37 of inner tube 6 is connect with the upper end of the nipple B38 of lower contact 5, under outer tube 7
End setting external screw thread 39 is connect with the upper end of the coupling B40 of lower contact 5；The annular space of separator pipe nipple 2 is sea-bottom natural gas water
The feed pathway of object exploitation is closed, liquid channel is returned in the inner cavity of inner tube 6 for mixture slurry.
As shown in Figure 1, the inner tube 6 is double end spill pore structure, inner tube is packed with fixed disk 9 in 6 upper female hole, on
9 upper end of fixed disk is the upper fixed cylinder 10 that disk 9 is fixed in axially position, and 10 upper end of upper fixed cylinder is for limiting upper fixation
The upper hanging head 11 of 10 axial movement of cylinder；6 lower concave hole of inner tube embeds lower fixed disk 13, and 13 lower end of lower fixed disk is for axial
The lower fixed cylinder 14 of lower fixed disk 13 is positioned, lower 14 lower end of fixed cylinder is the lower hanging head for limiting the axial movement of lower fixed cylinder 14
15。
As shown in Fig. 1, Fig. 5, Fig. 6, Fig. 7 and Fig. 8, the upper fixed disk 9 is centrally disposed straight in separator 4 for entangling firm
Feed inlet 67 is arranged in connecting pedestal 42, is feeding there are two pedestal 42 is connected for the mounting hole A41 of cylinder section 8, upper fixed disk 9
Four connecting holes 68,21 nozzle face feed inlet 67 of helix tube are arranged in 67 surroundings of mouth, and helix tube 21 uses spiral shell with pedestal 42 is connect
69 nut 70 of bolt connects；There are four spoke A44 connections, spoke A44 for setting between mounting hole A41 and outer shroud A43 in upper fixed disk 9
Between through-hole A45 be that mixture slurry returns liquid channel；The centrally disposed cone for entangling separator 4 firm of the lower fixed disk 13
The mounting hole B46 of cylinder section 12, there are four spoke B48 connections, spokes for setting between mounting hole B46 and outer shroud B47 in lower fixed disk 13
Through-hole B49 between B48 is that mixture slurry returns liquid channel；The 11 centrally disposed threaded hole A50 of upper hanging head, upper hanging head
11 threaded hole A50 are connect with 26 threaded upper ends of end cap of vortex generator 3, and the setting external screw thread 51 of upper hanging head 11 is upper with inner tube 6
Internal thread 52 is held to connect；In lower the hanging head 15 centrally disposed threaded hole B53,15 threaded hole B53 of lower hanging head and separator 4
The external screw thread 54 on 19 top of sediment outflow pipe connects, and four through-hole C55 that liquid is returned for mixture slurry are arranged in threaded hole B53 surroundings, under
Hanging head 15 is connect with the lower thread of inner tube 6.
As shown in Figure 1 to Figure 2, the vortex generator 3 is arranged in the inner tube 6 of separator pipe nipple 2, including end cap
26, outer barrel 56 and twin-feed spiral blade 57,26 lower end of end cap are connect with 56 upper end of outer barrel setting screw 58, the setting of 26 upper end of end cap
External screw thread 59 is connect with upper hanging head 11, the internal thread hole of overflow pipe 24 of the end cap 26 centrally disposed one for connecting separator 4
60,56 lower end of outer barrel is connect with 8 upper end of direct tube section of separator 4 setting 22 nut 23 of bolt, and the setting of twin-feed spiral blade 57 exists
The outside of overflow pipe 24, the tangential outlet of each upper port face helix tube 21 of twin-feed spiral blade 57, in double end
Screw is become from linear motion under the guide functions of helical blade 57, reduces mixture slurry and enters in separator 4, is hit
The energy loss that barrel generates, reduces short-circuit flow, at the same twin-feed spiral blade 57 but also mixture slurry flow regime more
Stablize, reduces the pressure drop of separator.
As shown in Figure 1 to Figure 2, the separator 4 is arranged in the inner tube 6 of separator pipe nipple 2, and the setting of separator 4 exists
The lower end of vortex generator 3, the direct tube section 8 in separator 4 pass through 22 nut 23 of bolt with the outer barrel 56 in vortex generator 3 and connect
It connects；Conical cylinder section 12 is arranged in the lower part of direct tube section 8 in separator 4, is connected using 71 nut 72 of bolt；Cone cylinder in separator 4
The lower part setting sediment outflow pipe 19 of section 12, is connected using 73 nut 74 of bolt；External screw thread is arranged in 19 lower end of sediment outflow pipe in separator 4
27 connect with 17 internal orifice 18 of sediment outflow channel；Overflow pipe 24 in separator 4 is arranged external screw thread 25 and is connect with end cap 26.
As shown in Figure 1, Figure 2, shown in Figure 11 and Figure 12, the lower contact 5 is double-layer structure, including nipple B38 and external
Head B40, nipple B38 and coupling B40 are connected by sand removing cylinder 16 with floor B61；Internal thread is arranged in the upper end of nipple B38
62 connect with the lower end of 2 inner tube 6 of separator pipe nipple, upper end setting internal thread 63 and 2 outer tube 7 of separator pipe nipple of coupling B40
Lower end connection, external screw thread 64 is arranged in the lower end of nipple B38, and external screw thread 65 is arranged in the lower end of coupling B40, under lower contact 5
End is threadedly coupled with other tools；There are sediment outflow channel 17,17 internal orifice 18 of sediment outflow channel that internal thread 66 is set and is connected in sand removing cylinder 16
Sediment outflow pipe 19, the outlet 20 of outer end are used to connect the sand conveying device of silt particle backfill；The annular space of lower contact 5 is sea-bottom natural gas water
The feed pathway of object exploitation is closed, liquid channel is returned in the inner cavity of lower contact 5 for mixture slurry.
The operation principle of the present invention：When sea bed gas hydrate carries out solid state fluidizing exploitation, need to introduce high-pressure undersea
Water carries out jet crushing hydrate layer, the annulus access that 1 annular space of top connection, 2 annular space of separator pipe nipple, 5 annular space of lower contact form
For the feed pathway of high pressure sea water；After jet crushing, mixture slurry is collected in underground, and mixture slurry is under the action of lifting pump
The lower contact 5 of underground separator is reached, mixture slurry enters in separator pipe nipple 2 from the inner cavity of lower contact 5 in inner tube 6
Then chamber passes sequentially through the through-hole A45 of the through-hole C55 of lower hanging head 15, the through-hole B49 of lower fixed disk 13, upper fixed disk 9, finally
Mixture slurry enters from feed inlet 67 in helix tube 21, and mixture slurry is flowed into and 21 tangential face of helix tube from helix tube 21
The port of twin-feed spiral blade 57 in vortex generator 3, is become under the guide functions of twin-feed spiral blade 57 from linear motion
Screw reduces mixture slurry and enters in separator 4, hits the energy loss that barrel generates, reduces short-circuit flow, simultaneously
Twin-feed spiral blade 57 but also mixture slurry flow regime more stablize, reduce the pressure drop of separator；Then mixing slurry
Body carries out cyclonic separation in separator 4, and the silt particle isolated moves downward through sediment outflow pipe 19 and is discharged to sediment outflow channel 17, then
It is discharged from outlet 20, carries out silt particle backfill；The hydrate slurry isolated moves upwards from overflow pipe 24 and flows into top connection 1
Inner cavity then proceedes to be delivered up.
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 (8)
1. a kind of gas hydrates underground separator with vortex generator, it is characterised in that：Including top connection（1）, point
From device pipe nipple（2）, vortex generator（3）, separator（4）, lower contact（5）；The top connection（1）Upper end and other tool spiral shells
Line connects, top connection（1）Lower end and separator pipe nipple（2）Threaded upper ends connection；The separator pipe nipple（2）It is divided into inner tube
（6）And outer tube（7）, inner tube（6）In top setting be used for separator（4）Direct tube section（8）Axially position and righting it is upper solid
Price fixing（9）, upper fixed cylinder（10）With upper hanging head（11）, inner tube（6）In lower part setting be used for separator（4）Conical cylinder section（12）
The lower fixed disk of axially position and righting（13）, lower fixed cylinder（14）With lower hanging head（15）, separator pipe nipple（2）Upper end with above connect
Head（1）Lower thread connects, separator pipe nipple（2）Lower end and lower contact（5）Threaded upper ends connect；The lower contact（5）It is interior
Sand removing cylinder is set（16）, sand removing cylinder（16）Inside there is sediment outflow channel（17）, sediment outflow channel（17）Internal orifice（18）Connect separator（4）In
Sediment outflow pipe（19）, the outlet of outer end（20）Sand conveying device for connecting silt particle backfill, lower contact（5）Upper end and separator
Pipe nipple（2）Lower thread connection, lower contact（5）Lower end is threadedly coupled with other tools；The vortex generator（3）Setting
In separator pipe nipple（2）Inner tube（6）In, vortex generator（3）Entrance and helix tube（21）Spiral is tangentially connected, vortex hair
Raw device（3）Upper end and upper hanging head（11）It is threadedly coupled, vortex generator（3）Lower end and separator（4）Upper end pass through spiral shell
Bolt（22）Nut（23）Connection；The separator（4）It is arranged in separator pipe nipple（2）Inner tube（6）In, separator（4）In
Overflow pipe（24）External screw thread is set（25）With end cap（26）Connection, separator（4）In sediment outflow pipe（19）Outer spiral shell is arranged in lower end
Line（27）With sediment outflow channel（17）Internal orifice（18）Connection；The top connection（1）, separator pipe nipple（2）And lower contact（5）Ring
Sky is the feed pathway of sea bed gas hydrate exploitation, separator pipe nipple（2）And lower contact（5）Inner cavity be mixture slurry
Return liquid channel, top connection（1）Inner cavity be that hydrate slurry returns liquid channel.
2. a kind of gas hydrates underground separator with vortex generator as described in claim 1, it is characterised in that：
The top connection（1）For double-layer structure, including nipple A（28）With coupling A（29）, nipple A（28）With coupling A
（29）By floor A（30）Connection, nipple A（28）Upper end be arranged external screw thread（31）, coupling A（29）Upper end setting it is outer
Screw thread（32）, top connection（1）Upper end is threadedly coupled with other tools, nipple A（28）Lower end be arranged internal thread（33）, external
Head A（29）Lower end be arranged internal thread（34）, top connection（1）Lower end and separator pipe nipple（2）Threaded upper ends connection；Top connection
（1）Annular space be sea bed gas hydrate exploitation feed pathway, top connection（1）Inner cavity be hydrate slurry to return liquid logical
Road.
3. a kind of gas hydrates underground separator with vortex generator as described in claim 1, it is characterised in that：
The separator pipe nipple（2）Including inner tube（6）And outer tube（7）, inner tube（6）Upper end be arranged external screw thread（35）With top connection
（1）Nipple A（28）Lower end connection, outer tube（7）Upper end be arranged external screw thread（36）With top connection（1）Coupling A
（29）Lower end connection, inner tube（6）Lower end be arranged external screw thread（37）With lower contact（5）Nipple B（38）Upper end connection,
Outer tube（7）Lower end be arranged external screw thread（39）With lower contact（5）Coupling B（40）Upper end connection；Separator pipe nipple（2）'s
Annular space is the feed pathway of sea bed gas hydrate exploitation, inner tube（6）Inner cavity be that mixture slurry returns liquid channel.
4. a kind of gas hydrates underground separator with vortex generator as claimed in claim 3, it is characterised in that：
The inner tube（6）For double end spill pore structure, inner tube（6）Fixed disk is packed in upper female hole（9）, upper fixed disk（9）On
End is for fixing disk in axially position（9）Upper fixed cylinder（10）, upper fixed cylinder（10）Upper end is for limiting upper fixed cylinder
（10）The upper hanging head of axial movement（11）；Inner tube（6）Lower concave hole embeds lower fixed disk（13）, lower fixed disk（13）Lower end is
For axially position lower fixed disk（13）Lower fixed cylinder（14）, lower fixed cylinder（14）Lower end is for limiting lower fixed cylinder（14）
The lower hanging head of axial movement（15）.
5. a kind of gas hydrates underground separator with vortex generator as claimed in claim 4, it is characterised in that：
The upper fixed disk（9）It is centrally disposed to be used to entangle separator firm（4）Direct tube section（8）Mounting hole A（41）, upper fixed disk（9）
There are two connect pedestal（42）, in connection pedestal（42）Middle setting feed inlet（67）, in feed inlet（67）Four companies are arranged in surrounding
Connect hole（68）, helix tube（21）Nozzle face feed inlet（67）, helix tube（21）With connect pedestal（42）Using bolt（69）Spiral shell
It is female（70）Connection；Upper fixed disk（9）Middle mounting hole A（41）With outer shroud A（43）Between setting there are four spoke A（44）Connection, spoke
A（44）Between through-hole A（45）Liquid channel is returned for mixture slurry；The lower fixed disk（13）It is centrally disposed to be used to entangle firm
Separator（4）Conical cylinder section（12）Mounting hole B（46）, lower fixed disk（13）Middle mounting hole B（46）With outer shroud B（47）Between set
Spoke B there are four setting（48）Connection, spoke B（48）Between through-hole B（49）Liquid channel is returned for mixture slurry；The upper extension
Head（11）Centrally disposed threaded hole A（50）, upper hanging head（11）Threaded hole A（50）With vortex generator（3）End cap（26）Upper end
It is threadedly coupled, upper hanging head（11）External screw thread is set（51）With inner tube（6）Upper end internal thread（52）Connection；The lower hanging head
（15）Centrally disposed threaded hole B（53）, lower hanging head（15）Threaded hole B（53）With separator（4）In sediment outflow pipe（19）Top
External screw thread（54）Connection, threaded hole B（53）Four through-hole C that liquid is returned for mixture slurry are arranged in surrounding（55）, lower hanging head（15）
With inner tube（6）Lower thread connection.
6. a kind of gas hydrates underground separator with vortex generator as described in claim 1, it is characterised in that：
The vortex generator（3）It is arranged in separator pipe nipple（2）Inner tube（6）In, including end cap（26）, outer barrel（56）And double end
Helical blade（57）, end cap（26）Lower end and outer barrel（56）Screw is arranged in upper end（58）Connection, end cap（26）Outer spiral shell is arranged in upper end
Line（59）With upper hanging head（11）Connection, end cap（26）Centrally disposed one for connecting separator（4）Overflow pipe（24）It is interior
Threaded hole（60）, outer barrel（56）Lower end and separator（4）Direct tube section（8）Bolt is arranged in upper end（22）Nut（23）Connection, it is double
Head helical blade（57）It is arranged in overflow pipe（24）Outside, twin-feed spiral blade（57）Each upper port face spiral shell
Coil（21）Tangential outlet.
7. a kind of gas hydrates underground separator with vortex generator as described in claim 1, it is characterised in that：
The separator（4）It is arranged in separator pipe nipple（2）Inner tube（6）In, separator（4）It is arranged in vortex generator（3）'s
Lower end, separator（4）In overflow pipe（24）External screw thread is set（25）With end cap（26）Connection, separator（4）In sediment outflow pipe
（19）External screw thread is arranged in lower end（27）With sediment outflow channel（17）Internal orifice（18）Connection.
8. a kind of gas hydrates underground separator with vortex generator as described in claim 1, it is characterised in that：
The lower contact（5）For double-layer structure, including nipple B（38）With coupling B（40）, nipple B（38）With coupling B
（40）By sand removing cylinder（16）With floor B（61）Connection；Nipple B（38）Upper end be arranged internal thread（62）With separator pipe nipple
（2）Inner tube（6）Lower end connection, coupling B（40）Upper end be arranged internal thread（63）With separator pipe nipple（2）Outer tube（7）'s
Lower end connects, nipple B（38）Lower end be arranged external screw thread（64）, coupling B（40）Lower end be arranged external screw thread（65）, under connect
Head（5）Lower end is threadedly coupled with other tools；Sand removing cylinder（16）Inside there is sediment outflow channel（17）, sediment outflow channel（17）Internal orifice（18）If
Set internal thread（66）Connect sediment outflow pipe（19）, the outlet of outer end（20）Sand conveying device for connecting silt particle backfill；Lower contact
（5）Annular space be sea bed gas hydrate exploitation feed pathway, lower contact（5）Inner cavity be mixture slurry to return liquid logical
Road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810421600.3A CN108590622B (en) | 2018-05-04 | 2018-05-04 | Natural gas hydrate underground separation device with vortex generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810421600.3A CN108590622B (en) | 2018-05-04 | 2018-05-04 | Natural gas hydrate underground separation device with vortex generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108590622A true CN108590622A (en) | 2018-09-28 |
| CN108590622B CN108590622B (en) | 2023-05-26 |
Family
ID=63620868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810421600.3A Active CN108590622B (en) | 2018-05-04 | 2018-05-04 | Natural gas hydrate underground separation device with vortex generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108590622B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109184658A (en) * | 2018-11-25 | 2019-01-11 | 西南石油大学 | A kind of biasing symmetric parallel formula sea-bottom shallow gas hydrates in-situ separating device |
| CN109488279A (en) * | 2018-11-02 | 2019-03-19 | 中国石油天然气股份有限公司 | A kind of built-in multilayer round type superposition split-phase overflow mechanism |
| 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 |
| CN110206527A (en) * | 2019-01-04 | 2019-09-06 | 西南石油大学 | A kind of high throughput hydrate underground separation shunting means using spiral separator |
| CN112502673A (en) * | 2021-02-01 | 2021-03-16 | 西南石油大学 | Natural gas hydrate normal position is gathered separation and is backfilled integration instrument |
| CN114991741A (en) * | 2022-05-16 | 2022-09-02 | 东北石油大学 | Natural gas hydrate separation device and method |
| 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 |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996003566A2 (en) * | 1994-07-26 | 1996-02-08 | John North | Improvements in or relating to drilling with gas liquid swirl generator hydrocyclone separation combustion thermal jet spallation |
| CN2437854Y (en) * | 2000-06-13 | 2001-07-04 | 临邑县机械制造总厂 | Fluid producing downhole sand removing forward hydrocyclone for oil well |
| US20020007953A1 (en) * | 2000-07-18 | 2002-01-24 | Liknes Alvin C. | Method and apparatus for removing water from well-bore of gas wells to permit efficient production of gas |
| US6426010B1 (en) * | 1997-11-18 | 2002-07-30 | Total | Device and method for separating a heterogeneous mixture |
| US6454010B1 (en) * | 2000-06-01 | 2002-09-24 | Pan Canadian Petroleum Limited | Well production apparatus and method |
| WO2003021079A1 (en) * | 2001-08-28 | 2003-03-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method and device for the extraction and transport of gas hydrates and gases from gas hydrates |
| JP2010037932A (en) * | 2008-07-07 | 2010-02-18 | Shimizu Corp | Method for producing methane gas from methane hydrate and device for producing methane gas from methane hydrate |
| US20100200242A1 (en) * | 2009-02-11 | 2010-08-12 | George Joel Rodger | Method and apparatus for centrifugal separation |
| US20140209465A1 (en) * | 2011-09-21 | 2014-07-31 | Scott M. Whitney | Separating Oil and Water Streams |
| CN105672876A (en) * | 2016-03-22 | 2016-06-15 | 西南石油大学 | Combustible ice drilling, mining and gasification separation integrated mining device and combustible ice drilling, mining and gasification separation integrated mining method |
| CN105879482A (en) * | 2016-05-26 | 2016-08-24 | 武汉工程大学 | Spiral extruding and sand discharging device for carrying out rotational flow reinforcing and sand removing |
| CN205628328U (en) * | 2016-04-27 | 2016-10-12 | 武汉工程大学 | Gas -oil water three -phase hydrocyclone separation device |
| CN106733243A (en) * | 2017-01-23 | 2017-05-31 | 重庆科技学院 | Down-hole oil production multi-chamber spiral-flow type crude separation device |
| CN106939780A (en) * | 2017-04-17 | 2017-07-11 | 西南石油大学 | A kind of non-diagenesis gas hydrates solid state fluidizing quarrying apparatus of sea-bottom shallow and method |
| CN107575206A (en) * | 2017-10-17 | 2018-01-12 | 西南石油大学 | A kind of modularization sea bed gas hydrate underground separator |
| CN107642351A (en) * | 2016-12-01 | 2018-01-30 | 中国石油化工股份有限公司 | Oil and gas well testing open flow gas-liquid separator |
| CN107642346A (en) * | 2017-09-06 | 2018-01-30 | 西南石油大学 | A kind of non-diagenesis gas hydrates neck eye of sea-bottom shallow, which returns, drags jet recovery method and quarrying apparatus |
| CN208168861U (en) * | 2018-05-04 | 2018-11-30 | 西南石油大学 | A kind of gas hydrates underground separator with vortex generator |
-
2018
- 2018-05-04 CN CN201810421600.3A patent/CN108590622B/en active Active
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996003566A2 (en) * | 1994-07-26 | 1996-02-08 | John North | Improvements in or relating to drilling with gas liquid swirl generator hydrocyclone separation combustion thermal jet spallation |
| US6426010B1 (en) * | 1997-11-18 | 2002-07-30 | Total | Device and method for separating a heterogeneous mixture |
| US6454010B1 (en) * | 2000-06-01 | 2002-09-24 | Pan Canadian Petroleum Limited | Well production apparatus and method |
| CN2437854Y (en) * | 2000-06-13 | 2001-07-04 | 临邑县机械制造总厂 | Fluid producing downhole sand removing forward hydrocyclone for oil well |
| US20020007953A1 (en) * | 2000-07-18 | 2002-01-24 | Liknes Alvin C. | Method and apparatus for removing water from well-bore of gas wells to permit efficient production of gas |
| WO2003021079A1 (en) * | 2001-08-28 | 2003-03-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method and device for the extraction and transport of gas hydrates and gases from gas hydrates |
| JP2010037932A (en) * | 2008-07-07 | 2010-02-18 | Shimizu Corp | Method for producing methane gas from methane hydrate and device for producing methane gas from methane hydrate |
| US20100200242A1 (en) * | 2009-02-11 | 2010-08-12 | George Joel Rodger | Method and apparatus for centrifugal separation |
| US20140209465A1 (en) * | 2011-09-21 | 2014-07-31 | Scott M. Whitney | Separating Oil and Water Streams |
| CN105672876A (en) * | 2016-03-22 | 2016-06-15 | 西南石油大学 | Combustible ice drilling, mining and gasification separation integrated mining device and combustible ice drilling, mining and gasification separation integrated mining method |
| CN205628328U (en) * | 2016-04-27 | 2016-10-12 | 武汉工程大学 | Gas -oil water three -phase hydrocyclone separation device |
| CN105879482A (en) * | 2016-05-26 | 2016-08-24 | 武汉工程大学 | Spiral extruding and sand discharging device for carrying out rotational flow reinforcing and sand removing |
| CN107642351A (en) * | 2016-12-01 | 2018-01-30 | 中国石油化工股份有限公司 | Oil and gas well testing open flow gas-liquid separator |
| CN106733243A (en) * | 2017-01-23 | 2017-05-31 | 重庆科技学院 | Down-hole oil production multi-chamber spiral-flow type crude separation device |
| CN106939780A (en) * | 2017-04-17 | 2017-07-11 | 西南石油大学 | A kind of non-diagenesis gas hydrates solid state fluidizing quarrying apparatus of sea-bottom shallow and method |
| CN107642346A (en) * | 2017-09-06 | 2018-01-30 | 西南石油大学 | A kind of non-diagenesis gas hydrates neck eye of sea-bottom shallow, which returns, drags jet recovery method and quarrying apparatus |
| CN107575206A (en) * | 2017-10-17 | 2018-01-12 | 西南石油大学 | A kind of modularization sea bed gas hydrate underground separator |
| CN208168861U (en) * | 2018-05-04 | 2018-11-30 | 西南石油大学 | A kind of gas hydrates underground separator with vortex generator |
Non-Patent Citations (2)
| Title |
|---|
| 周守为等: "全球首次海洋天然气水合物固态流化试采工程参数优化设计", 天然气工业 * |
| 王国荣;钟林;周守为;刘清友;李清平;付强;王雷振;黄蓉;王广申;李学峰;: "天然气水合物射流破碎工具及其配套工艺技术", 天然气工业 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488279A (en) * | 2018-11-02 | 2019-03-19 | 中国石油天然气股份有限公司 | A kind of built-in multilayer round type superposition split-phase overflow mechanism |
| CN109184658A (en) * | 2018-11-25 | 2019-01-11 | 西南石油大学 | A kind of biasing symmetric parallel formula sea-bottom shallow gas hydrates in-situ separating device |
| CN109184658B (en) * | 2018-11-25 | 2021-01-22 | 西南石油大学 | Bias symmetrical parallel type seabed shallow natural gas hydrate in-situ separation device |
| CN110206527A (en) * | 2019-01-04 | 2019-09-06 | 西南石油大学 | A kind of high throughput hydrate underground separation shunting means using spiral 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 |
| CN112502673A (en) * | 2021-02-01 | 2021-03-16 | 西南石油大学 | Natural gas hydrate normal position is gathered separation and is backfilled integration instrument |
| CN112502673B (en) * | 2021-02-01 | 2021-06-22 | 西南石油大学 | Natural gas hydrate normal position is gathered separation and is backfilled integration instrument |
| US11434727B2 (en) | 2021-02-01 | 2022-09-06 | Southwest Petroleum University | In situ exploitation-separation-backfilling integration apparatus used for natural gas hydrates |
| 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 |
| CN114991741A (en) * | 2022-05-16 | 2022-09-02 | 东北石油大学 | Natural gas hydrate separation device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108590622B (en) | 2023-05-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108590622A (en) | A kind of gas hydrates underground separator with vortex generator | |
| CN108612515A (en) | A kind of sea bottom hydrate underground separator with spiral current stabilization cone | |
| CN110029983B (en) | Multi-stage separator | |
| US11434727B2 (en) | In situ exploitation-separation-backfilling integration apparatus used for natural gas hydrates | |
| CN208456574U (en) | A kind of sea bottom hydrate underground separator with spiral current stabilization cone | |
| CN105672876B (en) | A kind of combustible ice drilling and the integrated quarrying apparatus of gasification separation and method | |
| CN208168861U (en) | A kind of gas hydrates underground separator with vortex generator | |
| CN110005379A (en) | A kind of voltage-controlled sleeve type spray head of gas hydrates layer jet crushing | |
| CN214091833U (en) | Gel breaking separation mechanism and natural gas hydrate-sand cementing particle gel breaking separation device | |
| WO2022222333A1 (en) | Sorting and separating device and method for natural gas hydrate underground cyclone | |
| CN104801071A (en) | Two-stage axial-flow type online gas-liquid separation device for underwater pipeline | |
| CN113090246B (en) | Natural gas hydrate underground in-situ desanding device and method for double-layer pipe drilling | |
| CN111577214A (en) | Water jet injector head for seabed natural gas hydrate solid fluidization exploitation | |
| CN102094617B (en) | Pitch-variable spiral gas anchor | |
| CN113153235B (en) | Underground hydraulic breaking, recovering and separating device for natural gas hydrate | |
| CN109488262B (en) | Silt cyclone separator for natural gas hydrate exploitation | |
| 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 | |
| CN110029982A (en) | Cementing cyclone separator is broken in rotation | |
| CN202745837U (en) | Natural energy circular gas-lift well completion tubular column | |
| CN203879480U (en) | Pumping well cylindrical type separator | |
| CN207315341U (en) | A kind of modularization sea bed gas hydrate underground separator | |
| CN203441414U (en) | Wide-area overshot | |
| CN103835694B (en) | Marine large-flow downhole oil-water separator with parallel type whirlcones | |
| CN207974803U (en) | It is a kind of to melt the silt particle backfilling apparatus adopted for gas hydrates time tractive current |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |