CN114961662B - Cyclone series double-layer tube type hydrate in-situ separation device - Google Patents
Cyclone series double-layer tube type hydrate in-situ separation device Download PDFInfo
- Publication number
- CN114961662B CN114961662B CN202210423542.4A CN202210423542A CN114961662B CN 114961662 B CN114961662 B CN 114961662B CN 202210423542 A CN202210423542 A CN 202210423542A CN 114961662 B CN114961662 B CN 114961662B
- Authority
- CN
- China
- Prior art keywords
- joint
- channel
- hydrate
- communicated
- cyclone
- 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.)
- Active
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
- E21B43/01—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
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
-
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/70—Combining sequestration of CO2 and exploitation of hydrocarbons by injecting CO2 or carbonated water in oil wells
Abstract
The application discloses a rotational flow series double-layer tube type hydrate in-situ separation device, which mainly solves the problems of how to realize double-layer continuous tube hydrate exploitation, incapability of high-purity separation treatment of fine-particle-size sand particles in a reservoir and the like in the prior art. The device comprises an outer pipe, a top joint and a bottom joint, wherein the top joint and the bottom joint are sleeved at two ends of the outer pipe and are provided with a jet flow channel and a recovery channel at the same time, an inner pipe which is arranged inside the outer pipe and forms an annular pipeline with the outer pipe, cyclone separators which are arranged inside the inner pipe in series and are separated in multiple stages, and a middle joint which is arranged inside the outer pipe and is used for simultaneously communicating two adjacent cyclone separators and two adjacent sections of inner pipes; the cyclone separator comprises an overflow port and a bottom flow port, and a plurality of separator inlets which are uniformly distributed at the top of the cylindrical section of the cyclone separator. Through the scheme, the method achieves the purpose of separating the desanding hydrate with high purity by utilizing the double-layer pipe to continuously mine the hydrate mixed slurry, and has high practical value and popularization value.
Description
Technical Field
The application belongs to the technical field of petroleum drilling, and particularly relates to a rotational flow series double-layer tubular hydrate in-situ separation device.
Background
The natural gas hydrate is also called as 'combustible ice', and is a high-density and high-calorific-value unconventional clean energy source (1 m) 3 The natural gas hydrate can release 164m 3 Methane gas and 0.8m 3 Water), the global total natural gas hydrate resource amount is estimated to be converted to methane gas to about (1.8-2.1) x 1016m 3 The carbon content is twice as much as the energy reserves of all natural gas, petroleum, coal and the like known worldwide, and the energy has become clean and pollution-free energy with the highest potential and huge reserves. The efficient development of natural gas hydrate can ensure the energy safety of China and realize the economic sustainable development.
The natural gas hydrate is widely distributed in the submarine sandstone reservoir, most of the hydrate in China belongs to the argillaceous siltstone reservoir, and the particle size of sediment particles is in the range of 1-100 mu m. Drilling test results indicate that such reservoir properties result in significant sand production during production and have severely hampered the natural gas hydrate production process. Aiming at the sand production problem, the traditional depressurization, heat shock and carbon dioxide exploitation methods mainly adopt classical sand prevention screening pipes, gravel packing and the like, but the sand prevention precision effect aiming at fine particles is poor, and the equipment flexibility is poor. The solid-state fluidization exploitation method provides a novel underground in-situ separation sand removal method, and is a sea hydrate sand removal technology with huge potential. The patent application No. 201710796364.9 discloses a double-layer pipe exploitation method based on solid fluidization in a submarine shallow non-diagenetic natural gas hydrate collaring back-dragging jet exploitation method and exploitation device, wherein the exploitation device adopts an underground separator for sand removal backfill, but a specific underground in-situ separation device is not specifically reported. An offset symmetrical parallel type seabed shallow natural gas hydrate in-situ separation device with the Chinese patent application number of 201710796364.9, an integrated hydrate underground in-situ separation parallel device with large treatment capacity with the Chinese patent application number of 201910200179.8 and an underground separation parallel device with large treatment capacity with a spiral separator with the Chinese patent application number of 201910009430.2 are provided, and solutions are provided for the problem that the sand removal treatment capacity of the underground in-situ separator is small in the double-layer continuous pipe hydrate exploitation technology. However, the problem of separating and removing fine sand particles in the hydrate mixed slurry is almost in technical blank, and a serial-type submarine shallow natural gas hydrate in-situ separation device with the number of 201710965017.4 is disclosed in the Chinese patent application, but the structure cannot be directly applied to double-layer pipe hydrate exploitation.
Therefore, how to solve the problems of how to realize the production of hydrate by double-layer continuous pipes and how to separate and treat fine-grain-size sand particles in reservoirs with high purity in the prior art is a problem which needs to be solved by the technicians in the field.
Disclosure of Invention
The application aims to provide a rotational flow series double-layer tube type hydrate in-situ separation device, which mainly solves the problems of how to realize double-layer continuous tube hydrate exploitation, incapability of high-purity separation treatment of fine-particle-size sand particles in a reservoir and the like in the prior art.
In order to achieve the above purpose, the technical scheme adopted by the application is as follows:
the utility model provides a whirl series connection double-deck tubular hydrate normal position separator, includes the outer tube, overlaps and is put in outer tube both ends and have top joint and the bottom joint of jet channel and recovery channel simultaneously, multistage setting is in the outer tube inside and with the inner tube of outer tube formation annular space pipeline, a plurality of cyclone separators that install in series in the inner tube inside and be multistage separation to and set up in the outer tube and be used for the middle part joint of two adjacent cyclone separators and two adjacent sections adjacent inner tubes of intercommunication simultaneously; the cyclone separator comprises an overflow port, a bottom flow port and a plurality of separator inlets uniformly distributed at the top of the cylindrical section of the cyclone separator, wherein the bottom flow port of the first-stage cyclone separator is communicated with a bottom joint, the overflow port of the last-stage cyclone separator is communicated with a top joint, and an outer pipe, an inner pipe and a middle joint form a jet flow channel.
Further, the cyclone separator further comprises a locating pin, one end of which is fixed on the outer tube, the other end of which is used for fixing the top joint, the bottom joint, the inner tube and the middle joint, and a supporting plate which is arranged on the inner wall of the inner tube and used for fixing the cyclone separator.
Further, the bottom joint comprises a hydrate mixed slurry recovery channel which is arranged in the middle of the bottom joint and is used for recovering hydrate mixed slurry, a plurality of bottom first channels which are arranged at the bottom of the hydrate mixed slurry recovery channel, bottom second channels which are arranged in the bottom joint and are correspondingly communicated with the bottom first channels, bottom ribs which are arranged in the middle of the periphery of the bottom joint at intervals, bottom outer tube installation bosses which are arranged at one ends of the bottom ribs and are used for limiting outer tubes, bottom inner tube installation bosses which are arranged at the other ends of the bottom ribs and are used for limiting inner tubes, bottom underflow channels which are arranged in the bottom joint and are communicated with bottom flow openings of the first-stage cyclone separator, and bottom sand discharge channels which are arranged on the bottom joint, wherein gaps formed between two adjacent bottom ribs form bottom jet flow channels which are communicated with the jet flow channels, and the bottom second channels extend to bottom underflow channel ends.
Further, the middle joint comprises a middle overflow channel which is arranged inside the middle joint and is communicated with the overflow port of the cyclone separator, a plurality of first serial channels which are arranged in the middle overflow channel and are communicated with the middle overflow channel, a second serial channel which is arranged inside the middle joint and is correspondingly communicated with the first serial channels, a middle underflow channel which is arranged inside the middle joint and is communicated with the bottom flow port of the adjacent cyclone separator, a middle sand discharging channel which is arranged on the middle joint and is communicated with the middle underflow channel, middle ribs which are arranged at the middle part of the periphery of the middle joint at intervals, and middle inner pipe installation bosses which are arranged at the two ends of the middle ribs and are used for limiting adjacent inner pipes, wherein a gap formed between two adjacent middle ribs forms a middle jet channel which is communicated with the jet channel, and the second serial channel extends to the end of the middle underflow channel.
Further, the top joint is including seting up in the top joint middle part and being used for with the top overflow channel of last stage cyclone separator overflow mouth intercommunication, runs through the hydrate recovery channel of seting up in the top joint inside and with top overflow channel intercommunication and be used for discharging hydrate, the interval sets up the top bead at top joint periphery middle part to and set up in top bead one side and be used for spacing the top inner tube installation boss of inner tube, wherein, the clearance that forms between two adjacent top beads constitutes the top jet channel with jet channel intercommunication.
Specifically, pin holes matched with the positioning pins are formed in the outer pipe, the top joint, the bottom joint, the inner pipe and the middle joint.
Compared with the prior art, the application has the following beneficial effects:
(1) The device is provided with the jet flow channel and the recovery channel at the same time, so that the jet flow breaking and the hydrate underground in-situ separation sand removal channel are not interfered with each other in the actual exploitation process, and the top joint of the device is externally connected with the double-layer continuous pipe, so that the hydrate exploitation of the double-layer continuous pipe is realized. Meanwhile, the cyclone separator can realize multistage series connection, hydrate slurry discharged from the cyclone separator at the previous stage is injected into the cyclone separator at the next stage to realize secondary separation, and fine particle size sand particles mixed in the hydrate mixed slurry from a reservoir can be fully separated through multistage separation, so that high-purity hydrate is obtained.
(2) The cyclone separator has compact structure, adopts an axial installation mode to carry out serial connection, and realizes high-purity separation and sand removal of the hydrate mixed slurry under the condition of not changing the size of the underground space.
Drawings
Fig. 1 is a schematic structural view of the present application.
Fig. 2 is a bottom view of fig. 1.
Fig. 3 is a cross-sectional view at A-A in fig. 1.
Fig. 4 is a cross-sectional view at B-B in fig. 1.
Fig. 5 is a schematic view of the structure of the bottom joint of the present application.
Fig. 6 is a top view of fig. 5.
Fig. 7 is a cross-sectional view at A-A in fig. 5.
Fig. 8 is a cross-sectional view at B-B in fig. 5.
Fig. 9 is a schematic structural view of the middle joint of the present application.
Fig. 10 is a front view of fig. 9.
Fig. 11 is a top view of fig. 9.
Fig. 12 is a cross-sectional view at A-A in fig. 10.
Fig. 13 is a schematic view of the structure of the top joint of the present application.
Fig. 14 is a front view of fig. 13.
Fig. 15 is a top view of fig. 13.
Fig. 16 is a cross-sectional view at A-A in fig. 14.
In the above figures, the reference numerals correspond to the component names as follows:
the device comprises a 1-outer pipe, a 2-top joint, a 21-top overflow channel, a 22-hydrate recovery channel, a 23-top rib, a 24-top inner pipe installation boss, a 25-top jet channel, a 3-bottom joint, a 31-hydrate mixed slurry recovery channel, a 32-bottom first channel, a 33-bottom second channel, a 34-bottom rib, a 35-bottom outer pipe installation boss, a 36-bottom inner pipe installation boss, a 37-bottom underflow channel, a 38-bottom sand discharge channel, a 39-bottom jet channel, a 4-inner pipe, a 5-cyclone separator, a 51-overflow port, a 52-underflow port, a 53-separator inlet, a 6-middle joint, a 61-middle overflow channel, a 62-first series channel, a 63-second series channel, a 64-middle underflow channel, a 65-middle sand discharge channel, a 66-middle rib, a 67-middle inner pipe installation boss, a 68-middle jet channel, a 7-locating pin, a 8-support plate and a 9-pin hole.
Detailed Description
The application will now be further described with reference to the accompanying drawings and examples, embodiments of which include, but are not limited to, the following examples.
Examples
As shown in fig. 1 to 16, a cyclone series double-layer tube type hydrate in-situ separation device comprises an outer tube 1, a top joint 2 and a bottom joint 3 which are sleeved at two ends of the outer tube 1 and are provided with a jet flow channel and a recovery channel at the same time, an inner tube 4 which is arranged inside the outer tube 1 in a multi-stage manner and forms an annular pipeline with the outer tube 1, a plurality of cyclone separators 5 which are arranged inside the inner tube 4 in series and are separated in a multi-stage manner, and a middle joint 6 which is arranged inside the outer tube 1 and is used for simultaneously communicating two adjacent cyclone separators and two adjacent inner tubes; the cyclone separator also comprises a positioning pin 7, one end of which is fixed on the outer tube 1, the other end of which is used for fixing the top joint 2, the bottom joint 3, the inner tube 4 and the middle joint 6, and a supporting plate 8 which is arranged on the inner wall of the inner tube 4 and is used for fixing the cyclone separator; the cyclone separator 5 comprises an overflow port 51, a bottom flow port 52 and a plurality of separator inlets 53 which are uniformly distributed at the top of the cylindrical section of the cyclone separator 5, wherein the bottom flow port 52 of the first-stage cyclone separator is communicated with the bottom joint 3, the overflow port 51 of the last-stage cyclone separator is communicated with the top joint 2, and meanwhile, the outer tube 1, the inner tube 4 and the middle joint 6 form a jet flow channel.
The installation step comprises the following steps: the bottom flow port 52 of the first-stage cyclone separator is connected to the bottom flow channel 37 of the bottom joint 3, at least two support plates 8 are fixed at intervals on the periphery of the cyclone separator 5, the inner pipe 4 is sleeved on the periphery of the support plates 8, one end of the inner pipe is positioned on the bottom inner pipe installation boss 36, then the overflow port 51 of the first-stage cyclone separator is communicated with the middle overflow channel 61 of the first middle joint 6, the other end of the inner pipe positioned outside the first-stage cyclone separator is simultaneously contacted with the middle inner pipe installation boss 67 at the lower part of the middle joint, then the later-stage or later-stage cyclone separator is added according to the requirement, the installation principle is that the bottom flow port 52 of the next-stage cyclone separator is communicated with the middle bottom flow channel 64 of the middle joint from inside to outside, if the installation is required to be continued, and then the steps are repeated. Finally, the positioning pin 7 is inserted into the top joint 2, the bottom joint 3, the inner tube 4 and the middle joint 6 from the outside of the outer tube 1 to limit, and finally, the top joint 2 is sleeved on the top of the outer tube 1, at this time, the outer tube 1 and the inner tube 4 are respectively sleeved on an outer tube installation boss and an inner tube installation boss corresponding to the top joint, and meanwhile, the top joint 2 is communicated with a top overflow channel 21 of the cyclone separator of the last stage. The bottom first channel 32 is plugged by adding plugs outside the bottom second channel 33 after the bottom second channel 33 is machined, and in the same way, all the first serial channels 62 are plugged outside the second serial channels 63 due to machining, all the joints are connected with inner and outer pipes by positioning pins and are sealed and waterproof, the top joint and the bottom joint are connected with double-layer pipes and other downhole tools by self-sealing threads, the specific installation positions (such as fig. 3 and 4) of the device are described by the terms of the directions of 'inner', 'outer', 'upper', 'lower', and the sand discharge channel ports are provided with internal threads, so that the device can be externally connected with pipelines after the assembly is finished, and the device is connected by threads, has stability and can also be used for placing sand leakage.
The working process comprises the following steps: the bottom joint 3 is externally connected with a nozzle, a drill bit, a pump and other needed downhole tools, the top joint 2 is externally connected with a double-layer continuous pipe, the double-layer continuous pipe is connected with a pump set outlet on a ship or a drilling platform, and the pump set on the sea surface ship is used for providing power. Firstly, a pump is started, jet slurry is pumped in through annular space of an inner pipe and an outer pipe of a double-layer continuous pipe, and the jet slurry reaches underground tools such as a jet crushing nozzle, a guide drill bit and the like through a top jet channel, a jet channel and a bottom jet channel, so that crushing power is provided for the jet crushing nozzle, the jet crushing of a hydrate reservoir is achieved, and the hydrate reservoir is formed into hydrate mixed slurry.
The hydrate mixed slurry extracted from the reservoir is introduced into the recovery channel formed by the inner tube 4 and the first stage cyclone through the first bottom channel 32 and the second bottom channel 33 and introduced into the first stage cyclone from the separator inlet 53, and the impurities such as sand are introduced into the bottom underflow channel 37 of the bottom joint from the underflow 52 under the centrifugal action, and then discharged from the bottom sand discharge channel 38 connected thereto, the hydrate slurry separated from the first stage cyclone is introduced into the middle overflow channel 61 of the first stage middle joint 6 from the overflow port 51, the hydrate slurry is introduced into the recovery channel formed by the inner tube 4 and the second stage cyclone through the first serial channel 62 and the second serial channel 63, and introduced into the second stage cyclone from the separator inlet 53, and then the impurities such as sand are introduced into the middle section channel 64 of the bottom joint from the underflow 52 under the centrifugal action, and then discharged from the middle sand discharge channel 65 connected thereto, and the centrifugal underflow is obtained as a relatively high-purity hydrate is introduced into the middle section 61 of the middle joint 6 from the overflow port, and the cyclone is repeatedly introduced into the middle stage middle joint 61 of the cyclone. When the hydrate slurry in the last stage of cyclone separator is separated in the cyclone separator, the separated sand and other impurities are discharged through the middle sand discharge channel 65, and then the obtained high-purity hydrate is discharged to the ground from the hydrate recovery channel 22 through the external double-layer continuous pipe inner pipe, wherein the recovery channel is a channel with an arrow pointing upwards in fig. 4, and the jet channel is a channel with two side arrows pointing downwards in fig. 4.
The above embodiments are only preferred embodiments of the present application, and not intended to limit the scope of the present application, but all changes made by adopting the design principle of the present application and performing non-creative work on the basis thereof shall fall within the scope of the present application.
Claims (5)
1. The cyclone series double-layer tube type hydrate in-situ separation device is characterized by comprising an outer tube (1), a top joint (2) and a bottom joint (3) which are sleeved at two ends of the outer tube (1) and are provided with a jet flow channel and a recovery channel at the same time, an inner tube (4) which is arranged in the outer tube (1) in a multi-section manner and forms an annular pipeline with the outer tube (1), a plurality of cyclone separators (5) which are arranged in the inner tube (4) in series and are in multi-stage separation, and a middle joint (6) which is arranged in the outer tube (1) and is used for simultaneously communicating two adjacent cyclone separators and two adjacent inner tubes; the cyclone separator (5) comprises an overflow port (51) and a bottom flow port (52), and a plurality of separator inlets (53) which are uniformly distributed at the top of the cylindrical section of the cyclone separator (5);
the middle joint (6) comprises a middle overflow channel (61) which is arranged in the middle joint (6) and is communicated with an overflow port (51) of the cyclone separator, a plurality of first serial channels (62) which are arranged in the middle overflow channel (61) and are communicated with the middle overflow channel (61), a second serial channel (63) which is arranged in the middle joint (6) and is correspondingly communicated with the first serial channels (62), a middle underflow channel (64) which is arranged in the middle joint (6) and is communicated with a bottom flow port (52) of the adjacent cyclone separator, a middle sand discharge channel (65) which is arranged on the middle joint (6) and is communicated with the middle underflow channel (64), middle ribs (66) which are arranged in the middle of the periphery of the middle joint (6) at intervals, and middle inner pipe installation bosses (67) which are arranged at two ends of the middle ribs (66) and are used for limiting the adjacent inner pipes (4);
the bottom joint (3) comprises a hydrate mixed slurry recovery channel (31) which is arranged in the middle of the bottom joint (3) and is used for recovering hydrate mixed slurry, a plurality of bottom first channels (32) which are arranged at the bottom of the hydrate mixed slurry recovery channel (31), bottom second channels (33) which are arranged in the bottom joint (3) and are correspondingly communicated with the bottom first channels (32), bottom convex edges (34) which are arranged in the middle of the periphery of the bottom joint (3) at intervals, bottom underflow channels (37) which are arranged in the bottom joint (3) and are communicated with a bottom flow port (52) of the first-stage cyclone separator, and bottom sand discharge channels (38) which are arranged on the bottom joint (3);
the top joint (2) comprises a top overflow channel (21) which is arranged in the middle of the top joint (2) and is communicated with an overflow port (51) of the cyclone separator at the last stage, a hydrate recovery channel (22) which is arranged in the top joint (2) in a penetrating way and is communicated with the top overflow channel (21) and is used for discharging hydrate, and top ribs (23) which are arranged in the middle of the periphery of the top joint (2) at intervals;
wherein the gap formed between the two adjacent middle ribs forms a middle jet channel (68) communicated with the jet channel, and the second series channel (63) extends to the end of the middle underflow channel (64); the gap formed between the two adjacent bottom ribs forms a bottom jet channel (39) communicated with the jet channel, and the bottom second channel (33) extends to the bottom underflow channel (37) end; the gap formed between the two adjacent top ribs forms a top jet channel (25) communicated with the jet channel; and the top jet channel (25), the middle jet channel (68), the bottom jet channel (39), the inner tube (4) and the outer tube (1) form a jet channel.
2. The cyclone series double-layer tube-type hydrate in-situ separation device according to claim 1, further comprising a positioning pin (7) with one end fixed on the outer tube (1) and the other end for fixing the top joint (2), the bottom joint (3), the inner tube (4) and the middle joint (6), and a supporting plate (8) arranged on the inner wall of the inner tube (4) and used for fixing the cyclone separator.
3. The cyclone series double-layer tube-type hydrate in-situ separation device according to claim 2, wherein the bottom joint (3) further comprises a bottom outer tube mounting boss (35) arranged at one end of the bottom convex rib (34) and used for limiting the outer tube (1), and a bottom inner tube mounting boss (36) arranged at the other end of the bottom convex rib (34) and used for limiting the inner tube (4).
4. A cyclone tandem double-layer tube-type hydrate in-situ separation device according to claim 3, wherein the top joint (2) further comprises a top inner tube mounting boss (24) arranged on one side of the top rib (23) for limiting the inner tube (4).
5. The rotational flow series double-layer tube type hydrate in-situ separation device according to claim 4, wherein pin holes (9) matched with the positioning pins (7) are formed in the outer tube (1), the top joint (2), the bottom joint (3), the inner tube (4) and the middle joint (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210423542.4A CN114961662B (en) | 2022-04-21 | 2022-04-21 | Cyclone series double-layer tube type hydrate in-situ separation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210423542.4A CN114961662B (en) | 2022-04-21 | 2022-04-21 | Cyclone series double-layer tube type hydrate in-situ separation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114961662A CN114961662A (en) | 2022-08-30 |
| CN114961662B true CN114961662B (en) | 2023-08-15 |
Family
ID=82971844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210423542.4A Active CN114961662B (en) | 2022-04-21 | 2022-04-21 | Cyclone series double-layer tube type hydrate in-situ separation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114961662B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115492566B (en) * | 2022-10-24 | 2023-11-14 | 宜宾学院 | Multistage hydrate in-situ separation sand removal device realized by serial-parallel combination |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102784728A (en) * | 2012-08-16 | 2012-11-21 | 中国石油天然气股份有限公司 | Underground two-stage cyclone separator |
| CN207111067U (en) * | 2017-04-26 | 2018-03-16 | 天津市益彰石油科技发展有限公司 | Tandem type quantifies shear force separation gas anchor and the combination of multi-stage quantization gas anchor |
| CN108374650A (en) * | 2018-04-27 | 2018-08-07 | 西南石油大学 | A kind of turbine lifting device for gas hydrates fluidisation exploitation |
| 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 |
| CN110029983A (en) * | 2019-05-21 | 2019-07-19 | 华东理工大学 | Multiple-stage separator |
| 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 |
| CN214091833U (en) * | 2021-08-02 | 2021-08-31 | 西南石油大学 | Gel breaking separation mechanism and natural gas hydrate-sand cementing particle gel breaking separation device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6691782B2 (en) * | 2002-01-28 | 2004-02-17 | Baker Hughes Incorporated | Method and system for below motor well fluid separation and conditioning |
| GB2561568A (en) * | 2017-04-18 | 2018-10-24 | Subsea 7 Norway As | Subsea processing of crude oil |
-
2022
- 2022-04-21 CN CN202210423542.4A patent/CN114961662B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102784728A (en) * | 2012-08-16 | 2012-11-21 | 中国石油天然气股份有限公司 | Underground two-stage cyclone separator |
| CN207111067U (en) * | 2017-04-26 | 2018-03-16 | 天津市益彰石油科技发展有限公司 | Tandem type quantifies shear force separation gas anchor and the combination of multi-stage quantization gas anchor |
| CN108374650A (en) * | 2018-04-27 | 2018-08-07 | 西南石油大学 | A kind of turbine lifting device for gas hydrates fluidisation exploitation |
| 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 |
| CN110029983A (en) * | 2019-05-21 | 2019-07-19 | 华东理工大学 | Multiple-stage separator |
| 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 |
| CN214091833U (en) * | 2021-08-02 | 2021-08-31 | 西南石油大学 | Gel breaking separation mechanism and natural gas hydrate-sand cementing particle gel breaking separation device |
Non-Patent Citations (1)
| Title |
|---|
| 浅析旋流过滤分离技术在天然气净化厂的应用前景;马思平;柳洁;魏萍;刘小宁;;中国高新技术企业(第16期) * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114961662A (en) | 2022-08-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108678671B (en) | A kind of sea bed gas hydrate digging sleeve type injection recyclable device | |
| CN112523739B (en) | Underground hydraulic drive spiral-cyclone coupling tube separator | |
| CN110029983B (en) | Multi-stage separator | |
| US20220205347A1 (en) | Oil extraction and gas production method capable of in-situ sand control and removal by downhole hydraulic lift | |
| US11434727B2 (en) | In situ exploitation-separation-backfilling integration apparatus used for natural gas hydrates | |
| CN107575206A (en) | A kind of modularization sea bed gas hydrate underground separator | |
| CN113090245B (en) | Underground rotational flow sorting and separating device and method for natural gas hydrate | |
| CN114961662B (en) | Cyclone series double-layer tube type hydrate in-situ separation device | |
| CN112796714B (en) | Multistage controllable water jet flow crushing cavity-making tool for natural gas hydrate development | |
| CN112267854A (en) | Device and process for exploiting deep sea combustible ice by adopting decompression method | |
| CN113090246B (en) | Natural gas hydrate underground in-situ desanding device and method for double-layer pipe drilling | |
| CN103967473A (en) | Device and method for desanding of submarine natural gas hydrate exploitation well | |
| CN114961690B (en) | Double-layer tube type series spiral hydrate in-situ separation sand removal device | |
| CN109882147A (en) | A kind of integral type hydrate situ downhole separation shunting means of high throughput | |
| CN207315341U (en) | A kind of modularization sea bed gas hydrate underground separator | |
| CN109184658B (en) | Bias symmetrical parallel type seabed shallow natural gas hydrate in-situ separation device | |
| CN210564495U (en) | Aboveground three-phase separation device for solid-state fluidization exploitation of natural gas hydrate | |
| CN109488262B (en) | Silt cyclone separator for natural gas hydrate exploitation | |
| CN113153235B (en) | Underground hydraulic breaking, recovering and separating device for natural gas hydrate | |
| CN211692433U (en) | Underground three-phase separator | |
| CN209818045U (en) | Large-treatment-capacity hydrate underground separation parallel device using spiral separator | |
| CN212428783U (en) | Two-stage separation efficient sand setting gas anchor | |
| CN115492566B (en) | Multistage hydrate in-situ separation sand removal device realized by serial-parallel combination | |
| CN112523738B (en) | Natural gas hydrate separation equipment and process | |
| CN201502369U (en) | Spiral-flow-type underground gas-liquid separator |
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 |