CN110043230A - A kind of shale gas exploitation desander - Google Patents
A kind of shale gas exploitation desander Download PDFInfo
- Publication number
- CN110043230A CN110043230A CN201910447036.7A CN201910447036A CN110043230A CN 110043230 A CN110043230 A CN 110043230A CN 201910447036 A CN201910447036 A CN 201910447036A CN 110043230 A CN110043230 A CN 110043230A
- Authority
- CN
- China
- Prior art keywords
- vertical cylinder
- ring
- fixing plate
- filter cartridge
- type fixing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 239000004576 sand Substances 0.000 claims description 38
- 239000000463 material Substances 0.000 claims 1
- 239000013049 sediment Substances 0.000 abstract description 8
- 230000003670 easy-to-clean Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 15
- 238000001914 filtration Methods 0.000 description 13
- 239000012530 fluid Substances 0.000 description 5
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001727 in vivo Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000013327 media filtration Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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
- E21B43/02—Subsoil filtering
- E21B43/08—Screens or liners
- E21B43/086—Screens with preformed openings, e.g. slotted liners
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a kind of shale gas exploitation desanders, it includes the components such as vertical cylinder, blind plate and filter cartridge.Ring-type fixing plate and lower ring-type fixing plate are provided in vertical cylinder；Medium inlet and media outlet are additionally provided on vertical cylinder side wall；The upper end of filter cartridge has annular connection seal cover board, and annular connection seal cover board is mounted in vertical cylinder on ring-type fixing plate, and forms sealing cooperation；The lower end of filter cartridge, which has, is tightly connected ring, is tightly connected ring-type fixing plate under ring and vertical cylinder and cooperates, and forms sealing cooperation；The bottom of the vertical cylinder is provided with sediment ejection opening；The area You Jisha between sediment ejection opening and medium inlet in vertical cylinder；The top opening of vertical cylinder is covered by blind plate, can be opened and be taken out filter cartridge.Filter cartridge of the invention can bear cylinder inside pressure and larger pressure difference, have the advantages that firm reliable, easy to clean filter core, reduce labor intensity it is convenient with sediment outflow.
Description
Technical field
The present invention relates to the technical field of natural gas and the attached corollary equipment of shale gas well gas production operation, especially a kind of pages
Desander is used in the exploitation of rock gas.
Background technique
Currently, with the exploitation large-scale of domestic shale gas, it is existing domestic without being relatively suitble to removing for shale gas exploitation
Sand device.
A kind of vertical type backwashing desander is disclosed in Chinese patent 201720572299.7, it includes blank flange, stands
Formula cylinder and the filter core being fitted in vertical cylinder, medium inlet is in the outside of filtration barrel body.Mistake in vertical cylinder
After filter cylinder body is connect with media outlet, space after closed filtering is formed in filtration barrel body, the medium containing sand with outside is by mistake
The isolation of filter cylinder body.After medium containing sand is entered in vertical cylinder by medium inlet, flow direction flows to inside by filtration barrel body outside,
By filtering out the sand grains in medium.Three-in-one vertical grit catcher and sand removing process are disclosed in Chinese patent 20443087,
It includes fast opening blind, vertical cylinder and the filter sieve tube being fitted in vertical cylinder, is arranged on the vertical cylinder top and is situated between
Media outlet is arranged in matter import, middle part, and lower part setting recoil mouth, sand removing hole is arranged in bottom；It is arranged inside the vertical cylinder
Screen casing, the screen casing top are connected with vertical cylinder top, and screen casing lower part connect its medium inlet with media outlet and is in filtering
The outside of screen casing, after medium containing sand is entered in vertical cylinder by medium inlet, by being filtered after passing through filtering desanding on the outside of filter sieve tube
Except the sand grains in medium.
It can thus be appreciated that both the above desander is aqueous and sand shale gas enters vertical cylinder along medium entrance
After interior, flow direction is entered inside filter element after filtering desanding by being flowed on the inside of filter element on the outside of filter element
Space, then the channel by connecting with media outlet flow to downstream.Sand grains is deposited on the vertical cylinder outside filter element inner space
In vivo.After sand grains assembles certain amount, sand grains is excluded by opening sand removing hole downstream related valve, reaches desanding purpose.
It is found according to field practice, existing desander exists crucial insufficient: (1) existing desander filtration barrel body exists easy
Bad problem, since medium containing sand is filtered by entering inside on the outside of filter core, due to pressure and flow direction, sand
Grain can be attached to the outside blocking filtration channel of filter element, and the pressure difference between the inner side and outer side of filter element can be with sand grains
The deterioration of blocked state can be gradually increased, and differential pressure value can be more than 1MPa in practical application.If removing filter element not in time
The sand grains in outside, the pressure acted on on the outside of filter element being gradually increased will lead to filter element deformation and even damages.
Due to pressure ecto-entad, relative to pressure-bearing device from inside to outside, existing patent structure is easier to damage；To prevent from damaging,
It is also more frequent to clear up filter element sand grains；It is simultaneously the requirement for meeting receiving 1MPa or more external pressure, filter cartridge structure
What can be designed extremely complex, price, it is heavier, it is difficult to load and unload.(2) there are filter core sand grains to be not easily cleaned for existing desander
The problem of.Since sand grains is attached to the outside of filter core, the annular space formed with vertical cylinder is opposite narrow, is not easy from outside
Directly clear up.The blind plate for needing to open desander could clear up sand grains after proposing filter cartridge upwards, pacify again after clearing up sand grains
Filter cartridge is filled, blind plate is closed.Since filter cartridge is heavier, reaches nearly 30 kilograms, and close with vertical cylinder cooperation, take
It is very laborious when out, it is inconvenient for operation.
Summary of the invention
The purpose of the present invention is to overcome the shortcomings of the existing technology, provides a kind of shale gas exploitation desander, can be to adopting
The fluid collected is filtered removing and mixes the sand grains in fluid, especially suitable for shale gas exploitation operation.
The invention discloses a kind of shale gas exploitation desanders, it includes the portions such as vertical cylinder, blind plate and filter cartridge
Part.Ring-type fixing plate and lower ring-type fixing plate are provided in vertical cylinder；Medium inlet is additionally provided on vertical cylinder side wall
And media outlet；The upper end of filter cartridge has annular connection seal cover board, and annular connection seal cover board is mounted on vertical cylinder
On body on ring-type fixing plate, and form sealing；The lower end of filter cartridge, which has, is tightly connected ring, is tightly connected ring and vertical cylinder
Ring-type fixing plate cooperates under body, and forms sealing cooperation；The bottom of the vertical cylinder is provided with sediment ejection opening；In vertical cylinder
The area You Jisha between sediment ejection opening and medium inlet；The top opening of vertical cylinder is covered by blind plate, can be opened and be taken out filter core
Cleaning；After blind plate can also being opened, direct filter cartridge flushing inner wall.The beneficial effects of the present invention are: flow direction of medium when filtering
Outside is flowed to by the inside of filter cartridge, filtering attachment sand grains is attached to the inside of filter cartridge, and filter cartridge is born in cylinder
Lateral pressure can bear larger pressure difference, be hardly damaged, is sturdy and durable, filter core easy to clean, reducing labor intensity, sediment outflow convenience,
More adapt to the outside biggish requirement of differential pressure in shale gas exploitation operating condition lower filter cylinder.It is outer compared to being born with traditional desander filter core
Portion's pressure, structure is firmer reliable, while cleaning operation is also easier.
The invention has the following advantages: inside flow direction outside of the flow direction of medium by filter cartridge, mistake when filtering
Filter attachment sand grains is attached to the inside of filter cartridge, and filter cartridge bears cylinder inside pressure, can bear larger pressure difference, be not easy
It damages, is sturdy and durable, filter core easy to clean, reducing labor intensity, sediment outflow convenience, more adaptation shale gas exploitation operating condition lower filter cylinder
The outside biggish requirement of differential pressure in vivo.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
In figure, 1- blind plate, 2- filter cartridge, 3- vertical cylinder, the medium inlet 4-, 5- sand removing hole, the connection sealing of 6- annular
Cover board, the upper ring-type fixing plate of 7-, 8- media outlet, 9- are tightly connected ring, ring-type fixing plate under 10-.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing, and protection scope of the present invention is not limited to as described below.
As shown in Figure 1, it includes blind plate 1, filter cartridge 2 and vertical cylinder 3, the blind plate 1 is set to the top of vertical cylinder 3
Portion, filter cartridge 2 are located inside vertical cylinder 3, and ring-type fixing plate 7 is provided in the vertical cylinder 3 and lower annular is fixed
Plate 10 is additionally provided with medium inlet 4 and media outlet 8 on 3 side wall of vertical cylinder, and 3 bottom of vertical cylinder is provided with sand removing hole 5,
The upper end of filter cartridge 2 has annular connection seal cover board 6, and the lower end of filter cartridge 2, which has, is tightly connected ring 9.Blind plate 1
Sealing element is provided between vertical cylinder 3, and blind plate 1 is fastenedly connected with vertical cylinder 3.Annular connection seal cover board 6 is installed
In vertical cylinder on ring-type fixing plate 7, and form sealing cooperation.It is tightly connected ring-type fixing plate 10 under ring 9 and vertical cylinder
Cooperation, and form sealing cooperation.Medium inlet pipeline 4 is located under filter core 2 and lower ring-type fixing plate 10 on 3 side wall of vertical cylinder
Side.Media outlet pipeline 8 is between upper ring-type fixing plate 7 and lower ring-type fixing plate 10 on 3 side wall of vertical cylinder, with filter core cylinder
Enclosure space connection between body and vertical cylinder.
The course of work of the invention is as follows: medium containing sand include shale gas and water or other fluid substance by medium inlet 4 into
Enter vertical cylinder 3, since 3 sectional area of vertical cylinder is much larger than 4 pipeline section of medium inlet product, velocity of medium containing sand is reduced, and
And 8 direction of media outlet flows up upwards, sand grains density is greater than gas and fluid density, since gravity is to sinking
Drop, is gradually accumulated in 3 lower end sand removing hole of vertical cylinder, 5 area Shang Jisha, a small amount of particle can be with shale gas, water compared with grit
Equal fluid media (medium)s continue up movement, the medial surface until reaching filter cartridge, than filter core by the big sand grains in gap by filter core
Stop, it is mobile on the outside of no normal direction filter cartridge, it realizes to media filtration desanding purpose.3 inner product sand area of vertical cylinder is with sand
The aggregation of grain can gradually increase, and when reaching sets requirement, turn on 5 valve downstream of lower end sand removing hole and carry out sediment outflow.Reach filter core
The sand grains of cylinder 2 can adhere on 2 inside of filter cartridge, detect that attachment sand grains is excessive on the inside of filter cartridge 2 working as, filter cartridge
When inside and outside side pressure is poor excessive, blind plate can be opened, filter cartridge inside is rinsed, or takes out filter core and is cleaned.
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 should not be regarded as an exclusion of other examples, 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 scope of appended claims of the present invention
It is interior.
Claims (5)
1. a kind of shale gas exploitation desander, it is characterised in that: it includes blind plate (1), filter cartridge (2) and vertical cylinder
(3), at the top of vertical cylinder (3), the vertical cylinder (3) is hollow structure, vertical cylinder (3) for blind plate (1) setting
Inner cavity the upper side and lower side be respectively arranged with ring-type fixing plate (7) and lower ring-type fixing plate (10), the filter cartridge
(2) it is arranged between upper ring-type fixing plate (7) and lower ring-type fixing plate (10), the upper end of filter cartridge (2) is equipped with annular even
Seal cap plate (6), the lower end of filter cartridge (2), which is equipped with, is tightly connected ring (9), and annular connection seal cover board (6) sets
The inside in upper ring-type fixing plate (7) is set, ring-type fixing plate (10) cooperates under the sealed connection ring (9) and vertical cylinder, and four
Person seals filter cartridge (2), and flowing material can only flow to outside on the inside of filter cartridge (2), and the vertical cylinder (3) is left
Right side wall is respectively arranged with medium inlet (4) and media outlet (8), and the medium inlet (4) is lower than media outlet (8), vertical
The bottom of cylinder (3) is provided with sand removing hole (5).
2. a kind of shale gas exploitation desander according to claim 1, it is characterised in that: the blind plate (1) and vertical
Sealing element is provided between formula cylinder (3), and blind plate (1) is fastenedly connected with vertical cylinder (3).
3. a kind of shale gas exploitation desander according to claim 1, it is characterised in that: the filter cartridge (2)
Annular connection seal cover board (6) be mounted on ring-type fixing plate in vertical cylinder (7), and formed sealing cooperation.
4. a kind of shale gas exploitation desander according to claim 1, it is characterised in that: the sealed connection ring
It (9) is to be bolted with ring-type fixing plate under vertical cylinder (10).
5. a kind of shale gas exploitation desander according to claim 1, it is characterised in that: the media outlet (8)
Between upper ring-type fixing plate (7) and lower ring-type fixing plate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910447036.7A CN110043230A (en) | 2019-05-27 | 2019-05-27 | A kind of shale gas exploitation desander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910447036.7A CN110043230A (en) | 2019-05-27 | 2019-05-27 | A kind of shale gas exploitation desander |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110043230A true CN110043230A (en) | 2019-07-23 |
Family
ID=67283796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910447036.7A Pending CN110043230A (en) | 2019-05-27 | 2019-05-27 | A kind of shale gas exploitation desander |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110043230A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201212385Y (en) * | 2008-06-18 | 2009-03-25 | 中国石油新疆油田分公司试油公司 | High-pressure high flow rate oil, gas and water desander filtration apparatus |
| US20100175869A1 (en) * | 2009-01-15 | 2010-07-15 | Cobb Delwin E | Downhole Separator |
| CN204253004U (en) * | 2014-11-25 | 2015-04-08 | 青岛汇森能源设备股份有限公司 | Vortex vertical desander |
| CN205867878U (en) * | 2016-06-23 | 2017-01-11 | 四川科华石油化工设备工程有限公司 | Vertical gaseous phase degritting tower |
| CN206419006U (en) * | 2017-01-23 | 2017-08-18 | 中国石油集团工程设计有限责任公司 | A kind of vertical filtering desander |
| CN206917646U (en) * | 2017-05-22 | 2018-01-23 | 成都汇川新能科技有限公司 | A kind of vertical type backwashing desander |
| CN207093055U (en) * | 2017-01-24 | 2018-03-13 | 大庆长垣能源科技有限公司 | Natural gas well well head desanding device |
| CN208518659U (en) * | 2018-06-30 | 2019-02-19 | 大庆市绘蓝石油科技有限公司 | A kind of desander that desanding efficiency is high |
| WO2019067306A1 (en) * | 2017-09-27 | 2019-04-04 | Forum Us, Inc. | Downhole sand and gas separation system for use with a rod pump |
| CN210264643U (en) * | 2019-05-27 | 2020-04-07 | 成都汇川新能科技有限公司 | Desander for shale gas exploitation |
-
2019
- 2019-05-27 CN CN201910447036.7A patent/CN110043230A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201212385Y (en) * | 2008-06-18 | 2009-03-25 | 中国石油新疆油田分公司试油公司 | High-pressure high flow rate oil, gas and water desander filtration apparatus |
| US20100175869A1 (en) * | 2009-01-15 | 2010-07-15 | Cobb Delwin E | Downhole Separator |
| CN204253004U (en) * | 2014-11-25 | 2015-04-08 | 青岛汇森能源设备股份有限公司 | Vortex vertical desander |
| CN205867878U (en) * | 2016-06-23 | 2017-01-11 | 四川科华石油化工设备工程有限公司 | Vertical gaseous phase degritting tower |
| CN206419006U (en) * | 2017-01-23 | 2017-08-18 | 中国石油集团工程设计有限责任公司 | A kind of vertical filtering desander |
| CN207093055U (en) * | 2017-01-24 | 2018-03-13 | 大庆长垣能源科技有限公司 | Natural gas well well head desanding device |
| CN206917646U (en) * | 2017-05-22 | 2018-01-23 | 成都汇川新能科技有限公司 | A kind of vertical type backwashing desander |
| WO2019067306A1 (en) * | 2017-09-27 | 2019-04-04 | Forum Us, Inc. | Downhole sand and gas separation system for use with a rod pump |
| CN208518659U (en) * | 2018-06-30 | 2019-02-19 | 大庆市绘蓝石油科技有限公司 | A kind of desander that desanding efficiency is high |
| CN210264643U (en) * | 2019-05-27 | 2020-04-07 | 成都汇川新能科技有限公司 | Desander for shale gas exploitation |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220823 Address after: 610000 No. 6, floor 2, building 1, No. 266, Guanghua North Fifth Road, Qingyang District, Chengdu, Sichuan Applicant after: Sichuan Whist Energy Equipment Co.,Ltd. Applicant after: CHENGDU HUICHUAN XINNENG TECHNOLOGY CO.,LTD. Address before: Room 304-6, unit 1, building 9, No. 88, Tianchen Road, high tech Zone (West District), Chengdu, Sichuan 610000 Applicant before: CHENGDU HUICHUAN XINNENG TECHNOLOGY CO.,LTD. |
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| TA01 | Transfer of patent application right | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190723 |
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| WD01 | Invention patent application deemed withdrawn after publication |