CN107503714A - A kind of parallel sea-bottom shallow gas hydrates in-situ separating device - Google Patents

A kind of parallel sea-bottom shallow gas hydrates in-situ separating device Download PDF

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Publication number
CN107503714A
CN107503714A CN201710965018.9A CN201710965018A CN107503714A CN 107503714 A CN107503714 A CN 107503714A CN 201710965018 A CN201710965018 A CN 201710965018A CN 107503714 A CN107503714 A CN 107503714A
Authority
CN
China
Prior art keywords
pipe nipple
separation pipe
out liquid
runner
feed liquor
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
Application number
CN201710965018.9A
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Chinese (zh)
Inventor
王国荣
邱顺佐
王党飞
钟林
周守为
刘清友
付强
李清平
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Southwest Petroleum University
Original Assignee
Southwest Petroleum University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Southwest Petroleum University filed Critical Southwest Petroleum University
Priority to CN201710965018.9A priority Critical patent/CN107503714A/en
Publication of CN107503714A publication Critical patent/CN107503714A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/01Methods 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
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B41/00Equipment or details not covered by groups E21B15/00 - E21B40/00
    • E21B41/0099Equipment 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
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/34Arrangements for separating materials produced by the well
    • E21B43/36Underwater separating arrangements

Abstract

The present invention discloses a kind of parallel sea-bottom shallow gas hydrates in-situ separating device,Including separating pipe nipple A,The feed liquor runner A being arranged in separation pipe nipple A,The sediment outflow runner A being arranged in separation pipe nipple A,It is arranged in separation pipe nipple A and goes out liquid stream road A,It is arranged on the connection ring A of separation pipe nipple A upper ends,The liquid that goes out for being arranged on connection ring A centers passes through hole A,It is arranged on the separation pipe nipple B of connection ring A upper ends,The feed liquor runner B being arranged in separation pipe nipple B,The sediment outflow runner B being arranged in separation pipe nipple B,It is arranged in separation pipe nipple B and goes out liquid stream road B,It is arranged on the connection ring B of separation pipe nipple B upper ends,The feed liquor runner A is connected with feed liquor runner B by feed liquor connecting tube,Sediment outflow runner A is connected with sediment outflow runner B by sediment outflow connecting tube,Go out liquid stream road A and connected with going out liquid stream road B by liquid by hole A.It by such scheme, can reach that separative efficiency is high, treating capacity is big, have great practical value and promotional value.

Description

A kind of parallel sea-bottom shallow gas hydrates in-situ separating device
Technical field
The present invention relates to sea bed gas hydrate production technique field, is related to a kind of parallel sea-bottom shallow gas water Compound in-situ separating device.
Background technology
Gas hydrates are also known as combustible ice, are in certain temperature, pressure bar by the hydrocarbon gas based on methane and water The class ice solid chemical compound formed under part.Global gas hydrates reserves are huge, and are cleaning, the high-quality energy, not Occupied an important position in the energy strategy come.
Traditional recovery method mainly has thermostimulation method at present, depressurizes method, chemical-agent technique, carbon dioxide replacement method, this A little methods, which are only applicable to gas hydrates, has good cap rock, has certain limitation." solid state fluidizing " exploitation side Method is a kind of brand-new exploitation thinking for the non-diagenesis gas hydrates in seabed, and its existing core concept is not change seabed In the case of temperature and pressure, machinery or digging gas hydrates ore body are directly utilized, after being crushed by closed conduit The processing such as solid gas hydrate particle, sand are separated, decomposition gasification.
Without backfill thing stratum will be caused empty after being taken away due to mixture slurry, the geological disasters such as easy initiation seabed is collapsed, It is contaminated to finally result in environments such as subsea.Nearly all it is to mix hydrate although mentioning some separators in the prior art Conjunction slurry is promoted to subsea wellheads and separated, and device volume is huge, and installation is very inconvenient, wastes time and energy.And applying When " solid state fluidizing " method exploits sea-bottom shallow hydrate, exploitation wellbore space is limited, and pit shaft radial space is small, single separator Treating capacity is small, does not often reach the requirement of exploitation treating capacity.
For problem above, the present invention proposes a kind of parallel sea-bottom shallow gas hydrates in-situ separating device.
The content of the invention
The present invention is handled for the deficiency of existing exploitation sea-bottom shallow Natural Gas Hydrate Technology in order to improve separator Measure, a kind of special parallel sea-bottom shallow gas hydrates in-situ separating device of offer of hydrate lasting exploit is provided.
A kind of parallel sea-bottom shallow gas hydrates in-situ separating device, it is characterised in that:Including separating pipe nipple A, The feed liquor runner A being arranged in separation pipe nipple A, the plug A for being arranged on feed liquor runner A lower ends are arranged on the row separated in pipe nipple A Sand flow road A, the plug B for going out liquid stream road A, being arranged on out liquid stream road A upper ends being arranged in separation pipe nipple A, it is short to be arranged on separation The connection ring A of A upper ends is saved, be arranged on connection ring A centers goes out liquid by hole A, the connecting tube mounting hole being arranged in connection ring A A, the separation pipe nipple B of connection ring A upper ends is arranged on, the feed liquor runner B being arranged in separation pipe nipple B, is arranged on separation pipe nipple B Interior sediment outflow runner B, it is arranged in separation pipe nipple B and goes out liquid stream road B, it is short for connecting separation is arranged on separation pipe nipple B upper ends The connection ring B of section or other devices, it is arranged on the connection screw thread for being used to connect other devices of separation pipe nipple B lower ends.Separate short It is parallel with one another between section, in the case of tubing string length is unconfined, the upper limit for the treatment of capacity five.
In further technical scheme, separator is installed in the separation pipe nipple A and separation pipe nipple B.
In further technical scheme, the feed liquor runner A is connected with feed liquor runner B by feed liquor connecting tube, sediment outflow runner A It is connected with sediment outflow runner B by sediment outflow connecting tube, goes out liquid stream road A and connected with going out liquid stream road B by going out liquid by hole A, separator Top exit is connected with going out liquid stream road B by going out liquid by hole A, and separator bottom end outlet is led to sediment outflow runner A, sediment outflow runner B Cross clearance hole connection.
In further technical scheme, the connection ring B is provided centrally with out liquid by hole B, the company of being provided with connection ring B Adapter mounting hole B.
Compared with prior art, the invention has the advantages that:
(1)Parallel sea-bottom shallow gas hydrates in-situ separating device proposed by the present invention, by multiple separation pipe nipples simultaneously Connection, that is, the treating capacity superposition of pipe nipple will be separated, under the conditions of realizing that and axial space limited in radial space is unconfined, It is unrestricted to reach treating capacity, solid foundation has been established for later stage business exploitation.
(2)Parallel sea-bottom shallow gas hydrates in-situ separating device proposed by the present invention can match somebody with somebody with other instruments Close and use, flexible for installation, compact-sized, reliability height is highly suitable for seabed adverse circumstances.
Brief description of the drawings
Fig. 1 is the structural representation of the parallel sea-bottom shallow gas hydrates in-situ separating device of the present invention.
Fig. 2 is the parallel sea-bottom shallow gas hydrates in-situ separating device A-A sectional views of the present invention.
Fig. 3 is the parallel sea-bottom shallow gas hydrates in-situ separating device B-B sectional views of the present invention.
Fig. 4 is the parallel sea-bottom shallow gas hydrates in-situ separating device C-C sectional views of the present invention.
Fig. 5 is the parallel sea-bottom shallow gas hydrates in-situ separating device D-D sectional views of the present invention.
Fig. 6 is the parallel sea-bottom shallow gas hydrates in-situ separating device top view of the present invention.
Fig. 7 is the parallel sea-bottom shallow gas hydrates in-situ separating device upward view of the present invention.
In above-mentioned accompanying drawing, component names are as follows corresponding to reference:
1- separation pipe nipple A, 2- feed liquor runner A, 3- plug A, 4- sediment outflow runner A, 5- go out liquid stream road A, 6- plug B, 7- connection ring A, 8- go out liquid and go out liquid stream road B, 12- sediment outflow runner B by hole A, 9- connecting tube mounting holes A, 10- separation pipe nipple B, 11-, and 13- goes out Liquid stream road B, 14- connection ring B, 15- connection screw thread, 16- separators, 17- feed liquor connecting tubes, 18- sediment outflow connecting tubes, 19- separation Device top exit, 20- separator bottom end outlets, 21- clearance holes, 22- go out liquid and pass through hole B, 23- connecting tube mounting holes B.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples, and embodiments of the present invention include but is not limited to The following example.
Embodiment
The present invention parallel sea-bottom shallow gas hydrates in-situ separating device structure as shown in Figures 1 to 7, including Pipe nipple A 1 is separated, is arranged on the feed liquor runner A 2 separated in pipe nipple A 1, is arranged on the plug A of the lower ends of feed liquor runner A 2 3 are arranged on the sediment outflow runner A 4 in separation pipe nipple A 1, are arranged in separation pipe nipple A 1 and go out liquid stream road A 5, set Going out the plug B 6 of the upper ends of liquid stream road A 5, be arranged on the connection ring A 7 of the upper ends of separation pipe nipple A 1, be arranged on connection ring A 7 centers go out liquid by hole A 8, the connecting tube mounting hole A 9 being arranged in connection ring A 7, are arranged on connection ring A 7 The separation pipe nipple B 10 of upper end, the feed liquor runner B 11 being arranged in separation pipe nipple B 10, it is arranged on separation pipe nipple B 10 Interior sediment outflow runner B 12, it is arranged in separation pipe nipple B 10 and goes out liquid stream road B 13, is arranged on separation pipe nipple B 10 Hold the connection ring B 14 for connecting separation pipe nipple or other devices, be arranged on the lower ends of separation pipe nipple B 10 be used for connect it The connection screw thread 15 of his device.It can be connected with each other between separation pipe nipple, in the case where axial space is unrestricted, separation is short The quantity of section is unrestricted, that is to say, that treating capacity can infinitely increase.
As shown in Figures 2 to 5, separate in pipe nipple A 1 and separation pipe nipple B 10 and separator 16 is installed.
As shown in Figures 2 to 4, feed liquor runner A 2 is connected with feed liquor runner B 11 by feed liquor connecting tube 17, sediment outflow Runner A 4 is connected with sediment outflow runner B 12 by sediment outflow connecting tube 18, is gone out liquid stream road A 5 and is passed through with going out liquid stream road B 13 Going out liquid to connect by hole A 8, separator top exit 19 is connected with going out liquid stream road B 13 by going out liquid by hole A 8, point Connected from device bottom end outlet 20 with sediment outflow runner A 5, sediment outflow runner B 12 by clearance hole 21.
As shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 6, connection ring B 14 is provided centrally with out liquid and passes through hole B 22, connection ring B Connecting tube mounting hole B 23 is provided with 14.
The operation principle of the present invention:Hydrate mixture slurry enters from feed liquor connecting tube, is entered by each separator pipe nipple In separator 16, hydrate mixture slurry is separated in separator 16, and the body obtained after separation is gone out by separator bottom Mouth 20 is discharged, and then by the sediment outflow runner of each separation pipe nipple, is finally discharged into backfilling apparatus backfill, the hydration obtained after separation Thing slurry is discharged by separator top exit 19, and being up pumped to each separation pipe nipple by going out liquid by hole goes out liquid stream road, respectively Individual separation pipe nipple goes out liquid stream road and is interconnected, and is finally discharged into the runner of other devices, is then pumped to well head collection.Respectively separate short The entrance and exit of section is all parallel with one another, reaches the effect of increase treating capacity.
Above-described embodiment is only the preferred embodiments of the present invention, not limiting the scope of the invention, as long as using The design principle of the present invention, and the change for carrying out non-creativeness work on this basis and making, all should belong to the present invention's Within protection domain.

Claims (4)

  1. A kind of 1. parallel sea-bottom shallow gas hydrates in-situ separating device, it is characterised in that:Including separating pipe nipple A(1), It is arranged on separation pipe nipple A(1)Interior feed liquor runner A(2), it is arranged on feed liquor runner A(2)The plug A of lower end(3)It is arranged on separation Pipe nipple A(1)Interior sediment outflow runner A(4), it is arranged on separation pipe nipple A(1)Interior goes out liquid stream road A(5), it is arranged on out liquid stream road A (5)The plug B of upper end(6), it is arranged on separation pipe nipple A(1)The connection ring A of upper end(7), it is arranged on connection ring A(7)Center goes out Liquid passes through hole A(8), it is arranged on connection ring A(7)Interior connecting tube mounting hole A(9), it is arranged on connection ring A(7)The separation of upper end Pipe nipple B(10), it is arranged on separation pipe nipple B(10)Interior feed liquor runner B(11), it is arranged on separation pipe nipple B(10)Interior sediment outflow stream Road B(12), it is arranged on separation pipe nipple B(10)Interior goes out liquid stream road B(13), it is arranged on separation pipe nipple B(10)Upper end is used to connect Separate pipe nipple or the connection ring B of other devices(14), it is arranged on separation pipe nipple B(10)The company for being used to connect other devices of lower end Connect screw thread(15).
  2. A kind of 2. parallel sea-bottom shallow gas hydrates in-situ separating device according to claim 1, it is characterised in that: The separation pipe nipple A(1)With separation pipe nipple B(10)In separator is installed(16).
  3. A kind of 3. parallel sea-bottom shallow gas hydrates in-situ separating device according to claim 1, it is characterised in that: The feed liquor runner A(2)With feed liquor runner B(11)Pass through feed liquor connecting tube(17)Connection, sediment outflow runner A(4)With sediment outflow runner B (12)Pass through sediment outflow connecting tube(18)Connection, goes out liquid stream road A(5)With going out liquid stream road B(13)Pass through hole A by going out liquid(8)Connection, Separator top exit(19)With going out liquid stream road B(13)Pass through hole A by going out liquid(8)Connection, separator bottom end outlet(20)With Sediment outflow runner A(5), sediment outflow runner B(12)Pass through clearance hole(21)Connection.
  4. A kind of 4. parallel sea-bottom shallow gas hydrates in-situ separating device according to claim 1, it is characterised in that: The connection ring B(14)It is provided centrally with out liquid and passes through hole B(22), connection ring B(14)Interior is provided with connecting tube mounting hole B (23).
CN201710965018.9A 2017-10-17 2017-10-17 A kind of parallel sea-bottom shallow gas hydrates in-situ separating device Pending CN107503714A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710965018.9A CN107503714A (en) 2017-10-17 2017-10-17 A kind of parallel sea-bottom shallow gas hydrates in-situ separating device

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Application Number Priority Date Filing Date Title
CN201710965018.9A CN107503714A (en) 2017-10-17 2017-10-17 A kind of parallel sea-bottom shallow gas hydrates in-situ separating device

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108222894A (en) * 2018-03-09 2018-06-29 西南石油大学 It is a kind of to melt the silt particle backfilling apparatus adopted for gas hydrates time tractive current
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
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
US10822927B2 (en) 2018-04-24 2020-11-03 Southwest Petroleum University Device and method for solid-state fluidized mining of natural gas hydrates in shallow seabed
CN114991741A (en) * 2022-05-16 2022-09-02 东北石油大学 Natural gas hydrate separation device and method

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RU2049229C1 (en) * 1990-07-02 1995-11-27 Научно-исследовательский и проектный институт "Внедрение" Downhole device for separation of gas from fluid
CA2241419A1 (en) * 1996-01-12 1997-07-17 Conoco Specialty Products, Inc. Cyclonic separator assembly and method
CA2715906A1 (en) * 2009-12-17 2011-06-17 Schlumberger Canada Limited Downhole multi-parallel hydrocyclone separator
CN102797447A (en) * 2012-09-05 2012-11-28 韩中枢 Extracting method of land combustible ice and extracting device adopted for same
CN103967473A (en) * 2014-05-06 2014-08-06 大连理工大学 Device and method for desanding of submarine natural gas hydrate exploitation well
CN207296973U (en) * 2017-10-17 2018-05-01 西南石油大学 A kind of parallel sea-bottom shallow gas hydrates in-situ separating device

Patent Citations (7)

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Publication number Priority date Publication date Assignee Title
RU2049229C1 (en) * 1990-07-02 1995-11-27 Научно-исследовательский и проектный институт "Внедрение" Downhole device for separation of gas from fluid
CA2241419A1 (en) * 1996-01-12 1997-07-17 Conoco Specialty Products, Inc. Cyclonic separator assembly and method
CA2715906A1 (en) * 2009-12-17 2011-06-17 Schlumberger Canada Limited Downhole multi-parallel hydrocyclone separator
US20110146976A1 (en) * 2009-12-17 2011-06-23 Schlumberger Technology Corporation Downhole multi-parallel hydrocyclone separator
CN102797447A (en) * 2012-09-05 2012-11-28 韩中枢 Extracting method of land combustible ice and extracting device adopted for same
CN103967473A (en) * 2014-05-06 2014-08-06 大连理工大学 Device and method for desanding of submarine natural gas hydrate exploitation well
CN207296973U (en) * 2017-10-17 2018-05-01 西南石油大学 A kind of parallel sea-bottom shallow gas hydrates in-situ separating device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108222894A (en) * 2018-03-09 2018-06-29 西南石油大学 It is a kind of to melt the silt particle backfilling apparatus adopted for gas hydrates time tractive current
CN108222894B (en) * 2018-03-09 2023-07-04 西南石油大学 Mud sand backfilling device for natural gas hydrate back-dragging fluidization exploitation
US10822927B2 (en) 2018-04-24 2020-11-03 Southwest Petroleum University Device and method for solid-state fluidized mining of natural gas hydrates in shallow seabed
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
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
CN114991741A (en) * 2022-05-16 2022-09-02 东北石油大学 Natural gas hydrate separation device and method

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Application publication date: 20171222