CN110130857A - A kind of open-hole horizontal well tune flow control water installations and balanced oil extraction process tubular column - Google Patents
A kind of open-hole horizontal well tune flow control water installations and balanced oil extraction process tubular column Download PDFInfo
- Publication number
- CN110130857A CN110130857A CN201910437052.8A CN201910437052A CN110130857A CN 110130857 A CN110130857 A CN 110130857A CN 201910437052 A CN201910437052 A CN 201910437052A CN 110130857 A CN110130857 A CN 110130857A
- Authority
- CN
- China
- Prior art keywords
- base tube
- nozzle
- control water
- flow controller
- water installations
- 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.)
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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
- E21B43/02—Subsoil filtering
- E21B43/08—Screens or liners
- E21B43/086—Screens with preformed openings, e.g. slotted liners
-
- 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
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
Abstract
The invention belongs to adjust flow control water installations technical field, more particularly, to a kind of open-hole horizontal well tune flow control water installations and balanced oil extraction process tubular column, it is characterized by comprising base tubes, screen casing box cupling, support sleeve, it is socketed in the flow controller of base tube outer surface of upper, the nozzle being mutually abutted against with this flow controller lower end, between this nozzle and support sleeve, and it is fixed on the limit sleeve of base tube outer surface, it is arranged in flow controller, the housing of the outer surface of nozzle and limit sleeve, it is arranged by nozzle, housing, several ball sealers in chamber that limit sleeve and base tube are constituted, it is socketed in the composite screen mesh component of base tube lower part, the fixation end ring being connect with base tube lower thread.The present invention can reduce the flow velocity of formation fluid, balanced production profile, prevent or limit the flowing of non-flow of oil, liquid in pipe moisture content is reduced, promotes entire horizontal segment equilibrium fuel-displaced, deadband eliminating, improve oil production and recovery ratio, integrate sand control, steady oil control water, volume increase, it is easy to operate, it is economical and practical.
Description
Technical field
The invention belongs to adjust flow control water installations technical field, more particularly, to a kind of open-hole horizontal well tune flow control water installations and
Balanced oil extraction process tubular column.
Background technique
A key means of the horizontal well as oil-gas field development, are used widely in each oil field.For equal
Matter oil reservoir is influenced by friction drag in horizontal well horizontal segment recovery process, and the pressure drop of heel end and flow will compare toe-end
Big is more；For heterogeneous reservoir, fluid is advanced by leaps and bounds in High Permeability Interval, particularly evident with toe effect.What thus horizontal segment occurred
Uneven section is very easy to that bottom water coning occurs there are the interval of water flooding, thus leads to the formation oil constricted flow of toe-end,
Horizontal well capacity is influenced, the serious water logging even oil well that will lead to is scrapped.
Adjust stream water-control sieve tube completion technique by increasing Additional pressure differential, the liquid production of limit levels well heel end and Thief zone section
Amount, automatic equalization producing pressure differential section and production profile extend oil well water-free oil production period, delay rate of water cut increase, improve oil
Well production.
Existing tune flow control water installations reduce the inflow velocity of formation fluid by increasing flow pressure drop, have a single function, only
It can delay coning to a certain extent.
Summary of the invention
The object of the present invention is to provide a kind of flow velocitys that can not only reduce formation fluid, but also can be real in pit shaft water breakthrough
The open-hole horizontal well tune flow control water installations of the function of existing water blockoff, control water and balanced oil extraction process tubular column.
The purpose of the present invention is what is realized by following technical proposals:
Open-hole horizontal well tune flow control water installations of the invention and balanced oil extraction process tubular column, it is characterised in that including base tube,
The screen casing box cupling connecting with this base tube threaded upper ends, the lower contact being connected with the base tube lower end, is socketed in the base tube
The support sleeve in portion is socketed in the flow controller of the base tube outer surface of upper, the nozzle being mutually abutted against with this flow controller lower end, is located at this
Between nozzle and the support sleeve and it is fixed on the limit sleeve of the base tube outer surface, is arranged in the flow controller, nozzle and limit
The housing of the outer surface of position set, is arranged in several closure in the chamber being made of the nozzle, housing, limit sleeve and base tube
Ball is arranged in above the flow controller and is located at several fluid holes of the base tube upper face, is socketed in the base tube lower part
Composite screen mesh component, the fixation end ring being connect with the base tube lower thread,
The outermost layer upper end of the composite screen mesh component is mutually welded with the support sleeve and the composite screen mesh component
Outermost layer lower end mutually welded with the fixation end ring,
The outer set upper side and the top of the base tube are mutually welded and the housing lower end is mutually welded with the support sleeve
It connecing, the housing is fitted closely with the flow controller,
The nozzle is welded on the base tube outer surface.
The flow controller is column tube body, and outer surface is equipped with screw thread, this Bottom of Thread forms flow controller runner.
The nozzle has circumferentially been uniformly arranged several through-hole runners.
The support sleeve has circumferentially been uniformly arranged several through-hole runners.
The housing inner surface top is provided with 120 ° of step surfaces.
Advantages of the present invention:
Open-hole horizontal well tune flow control water installations of the invention and balanced oil extraction process tubular column, can reduce the stream of formation fluid
Speed, balanced production profile prevent or limit the flowing of non-flow of oil, reduce liquid in pipe moisture content, promote entire horizontal segment equal
It weighing fuel-displaced, oil production and recovery ratio are improved in deadband eliminating, integrate sand control, steady oil control water, volume increase, and it is easy to operate, it is economical real
With.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is that the present invention adjusts flow control water installations partial enlargement diagram I.
Fig. 3 is that the present invention adjusts flow control water installations partial enlargement diagram II.
Fig. 4 is the flow controller schematic diagram inside present invention tune flow control water installations.
Fig. 5 is the balanced oil extraction process tubular column schematic diagram of the present invention.
Specific embodiment
A specific embodiment of the invention is further illustrated with reference to the accompanying drawing.
As shown in Figs. 1-5, open-hole horizontal well tune flow control water installations of the invention and balanced oil extraction process tubular column, feature exist
In include base tube 2, the screen casing box cupling 1 being connect with this 2 threaded upper ends of base tube, the lower contact 12 being connected with 2 lower end of base tube,
It is socketed in the support sleeve 9 at 2 middle part of base tube, the flow controller 5 of 2 outer surface of upper of base tube is socketed in, under this flow controller 5
The nozzle 6 that is mutually abutted against is held, between this nozzle 6 and the support sleeve 9 and is fixed on the limit sleeve of 2 outer surface of base tube
8, the housing 3 of the outer surface of the flow controller 5, nozzle 6 and limit sleeve 8 is set, and setting is by the nozzle 6, housing 3, limit
Several ball sealers 7 in chamber 32 that position set 8 and base tube 2 are constituted, the density of ball sealer 7 and the density of water flooding are approximately equal,
5 top of flow controller is set and is located at several fluid holes 4 of 2 upper face of base tube, is socketed in 2 lower part of base tube
Composite screen mesh component 10, the fixation end ring 11 being connect with 2 lower thread of base tube,
The outermost layer upper end of the composite screen mesh component 10 is welded with 9 phase of support sleeve and the composite screen mesh
The outermost layer lower end of component 10 is welded with 11 phase of fixation end ring,
The top of 3 upper end of housing and the base tube 2 is mutually welded and 3 lower end of housing and the support sleeve 9
It mutually welds, the housing 3 is fitted closely with the flow controller 5, and the 3 inner surface top of housing is provided with 120 ° of steps
5 upper end of flow controller is fitted closely and is limited in assembly by face.
The nozzle 6 is welded on 2 outer surface of base tube.
The flow controller 5 is column tube body, and outer surface is equipped with screw thread, this Bottom of Thread forms flow controller runner 33.
The nozzle 6 is circumferential to be uniformly arranged several through-hole runners.
The support sleeve 9 is circumferential to be uniformly arranged several through-hole runners.
Embodiment
Below with reference to embodiment and attached drawing to a kind of open-hole horizontal well tune flow control water installations of the invention and balanced oil recovery work
Skill tubing string is described in detail.
As shown in figure 5, the tail pipe column that the oily swell packers 45 of flow control water installations 46, chance and conventional screen 47 will be adjusted to form
43, it is lowered into wellbore 44, tripping in finishes, and the seat of hanger 42 is hung on upper layer casing 41, and flow control water installations 46 is adjusted to be located at level
Section heel end.In oil recovery process, meets oily swell packers 45 and meet the segmentation that horizontal well is realized in oil expansion, form two independent productions
Unit.
The filtering for passing through composite screen mesh component 10 from the fluid 21 on stratum 44 enters chamber by support ring runner 31
In 32, when the density of fluid 21 is less than the density of ball sealer 7, ball sealer 7 will be deposited to middle and lower part (such as Fig. 2 of chamber 32
It is shown), fluid 21 is entered in the flow controller runner 33 of flow controller 5 by the upper channel of nozzle 6, spiral helicine flow controller runner
33 pairs of fluids 21 generate throttling action, and last fluid 21 enters in base tube 2 from fluid hole 4.With water flooding ratio in fluid 21
The increase of example, close to the density of ball sealer 7, ball sealer 7 is gradually suspended in the fluid in entire chamber 32 for the density of fluid 21
In 21 (as shown in Figure 3), with the flowing of fluid 21, ball sealer 7 blocks 6 entrance of nozzle close to nozzle 6, and limitation fluid 21 is logical
Nozzle 6 is crossed, the extraction of water flooding is eliminated or reduce to the greatest extent, rational allocation horizontal segment production profile moves to greatest extent
With horizontal segment control reserve.
Open-hole horizontal well tune flow control water installations of the invention and balanced oil extraction process tubular column, can reduce the stream of formation fluid
Speed, balanced production profile prevent or limit the flowing of non-flow of oil, reduce liquid in pipe moisture content, promote entire horizontal segment equal
It weighing fuel-displaced, oil production and recovery ratio are improved in deadband eliminating, integrate sand control, steady oil control water, volume increase, and it is easy to operate, it is economical real
With.
Claims (5)
1. a kind of open-hole horizontal well tune flow control water installations and balanced oil extraction process tubular column, it is characterised in that including base tube, with this base
The screen casing box cupling of pipe threaded upper ends connection, the lower contact being connected with the base tube lower end, the branch being socketed in the middle part of the base tube
Support set is socketed in the flow controller of the base tube outer surface of upper, the nozzle being mutually abutted against with this flow controller lower end, be located at this nozzle with
Between the support sleeve and it is fixed on the limit sleeve of the base tube outer surface, the flow controller, nozzle and limit sleeve are set
Several ball sealers in the chamber being made of the nozzle, housing, limit sleeve and base tube are arranged in the housing of outer surface, setting
Several fluid holes above the flow controller and positioned at the base tube upper face, are socketed in the composite screen of the base tube lower part
Screen component, the fixation end ring being connect with the base tube lower thread,
The outermost layer upper end of the composite screen mesh component mutually welded with the support sleeve and the composite screen mesh component most
Outer layer lower end is mutually welded with the fixation end ring,
The outer set upper side and the top of the base tube are mutually welded and the housing lower end is mutually welded with the support sleeve,
The housing is fitted closely with the flow controller,
The nozzle is welded on the base tube outer surface.
2. open-hole horizontal well tune flow control water installations according to claim 1 and balanced oil extraction process tubular column, it is characterised in that
The flow controller is column tube body, and outer surface is equipped with screw thread, this Bottom of Thread forms flow controller runner.
3. open-hole horizontal well tune flow control water installations according to claim 1 and balanced oil extraction process tubular column, it is characterised in that
The nozzle has circumferentially been uniformly arranged several through-hole runners.
4. open-hole horizontal well tune flow control water installations according to claim 1 and balanced oil extraction process tubular column, it is characterised in that
The support sleeve has circumferentially been uniformly arranged several through-hole runners.
5. open-hole horizontal well tune flow control water installations according to claim 1 and balanced oil extraction process tubular column, it is characterised in that
The housing inner surface top is provided with 120 ° of step surfaces.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910201397 | 2019-03-18 | ||
| CN2019102013973 | 2019-03-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110130857A true CN110130857A (en) | 2019-08-16 |
Family
ID=67572832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910437052.8A Pending CN110130857A (en) | 2019-03-18 | 2019-05-24 | A kind of open-hole horizontal well tune flow control water installations and balanced oil extraction process tubular column |
Country Status (1)
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| CN (1) | CN110130857A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111396027A (en) * | 2020-03-25 | 2020-07-10 | 中国石油大学(华东) | Horizontal well sand production and water outlet profile prediction method and sand control and water control sieve tube optimization design method |
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| US20080041581A1 (en) * | 2006-08-21 | 2008-02-21 | William Mark Richards | Apparatus for controlling the inflow of production fluids from a subterranean well |
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| CN202300221U (en) * | 2011-09-30 | 2012-07-04 | 孔利生 | Water controlling and oil production pipe column for open hole horizontal well |
| CN103573229A (en) * | 2012-07-24 | 2014-02-12 | 中国海洋石油总公司 | Open hole oil production technology and separated pipe string |
| CN204186354U (en) * | 2014-10-28 | 2015-03-04 | 中国石油集团西部钻探工程有限公司 | Oil recovery water control device |
| CN204266939U (en) * | 2014-08-22 | 2015-04-15 | 中国石油化工股份有限公司 | A kind of water and oil control second completion pipe string combination |
| CN204283367U (en) * | 2014-12-08 | 2015-04-22 | 众通（北京）能源技术有限公司 | Horizontal well Intelligent water-controlled completion tubular column |
| CN105756628A (en) * | 2014-12-18 | 2016-07-13 | 思达斯易能源技术(集团)有限公司 | Water controlling current limiting device |
| CN107476787A (en) * | 2017-09-20 | 2017-12-15 | 长江大学 | A kind of horizontal well completion float-valve type water-control sieve tube |
| US9963953B2 (en) * | 2013-02-15 | 2018-05-08 | Halliburton Energy Services, Inc. | Ball check valve integration to ICD |
| CN207847606U (en) * | 2018-01-08 | 2018-09-11 | 北京合力奇点科技有限公司 | Oil recovery water control device, directional well completion flow string |
-
2019
- 2019-05-24 CN CN201910437052.8A patent/CN110130857A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080041581A1 (en) * | 2006-08-21 | 2008-02-21 | William Mark Richards | Apparatus for controlling the inflow of production fluids from a subterranean well |
| CN101878348A (en) * | 2007-09-28 | 2010-11-03 | 哈利伯顿能源服务公司 | Apparatus for adjustably controlling the inflow of production fluids from a subterranean well |
| CN202300221U (en) * | 2011-09-30 | 2012-07-04 | 孔利生 | Water controlling and oil production pipe column for open hole horizontal well |
| CN103573229A (en) * | 2012-07-24 | 2014-02-12 | 中国海洋石油总公司 | Open hole oil production technology and separated pipe string |
| US9963953B2 (en) * | 2013-02-15 | 2018-05-08 | Halliburton Energy Services, Inc. | Ball check valve integration to ICD |
| CN204266939U (en) * | 2014-08-22 | 2015-04-15 | 中国石油化工股份有限公司 | A kind of water and oil control second completion pipe string combination |
| CN204186354U (en) * | 2014-10-28 | 2015-03-04 | 中国石油集团西部钻探工程有限公司 | Oil recovery water control device |
| CN204283367U (en) * | 2014-12-08 | 2015-04-22 | 众通（北京）能源技术有限公司 | Horizontal well Intelligent water-controlled completion tubular column |
| CN105756628A (en) * | 2014-12-18 | 2016-07-13 | 思达斯易能源技术(集团)有限公司 | Water controlling current limiting device |
| CN107476787A (en) * | 2017-09-20 | 2017-12-15 | 长江大学 | A kind of horizontal well completion float-valve type water-control sieve tube |
| CN207847606U (en) * | 2018-01-08 | 2018-09-11 | 北京合力奇点科技有限公司 | Oil recovery water control device, directional well completion flow string |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111396027A (en) * | 2020-03-25 | 2020-07-10 | 中国石油大学(华东) | Horizontal well sand production and water outlet profile prediction method and sand control and water control sieve tube optimization design method |
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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: 20201009 Address after: 100120 Beijing Xicheng District six laying Kang Applicant after: CHINA NATIONAL PETROLEUM Corp. Applicant after: China National Petroleum Corporation Great Wall Drilling Engineering Co.,Ltd. Address before: 124010 Xinglongtai, Liaoning Province, oil street, No. 96, No. Applicant before: China National Petroleum Corporation Great Wall Drilling Engineering Co.,Ltd. |
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| TA01 | Transfer of patent application right | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190816 |
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| WD01 | Invention patent application deemed withdrawn after publication |