CN110513071A - A kind of plug for eccentricity hole convenient for metering - Google Patents
A kind of plug for eccentricity hole convenient for metering Download PDFInfo
- Publication number
- CN110513071A CN110513071A CN201910697151.XA CN201910697151A CN110513071A CN 110513071 A CN110513071 A CN 110513071A CN 201910697151 A CN201910697151 A CN 201910697151A CN 110513071 A CN110513071 A CN 110513071A
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- CN
- China
- Prior art keywords
- spring
- water body
- water
- fixed
- control
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 71
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 230000006835 compression Effects 0.000 claims abstract description 10
- 238000007906 compression Methods 0.000 claims abstract description 10
- 238000013461 design Methods 0.000 abstract description 6
- 238000009826 distribution Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 5
- 238000002347 injection Methods 0.000 description 13
- 239000007924 injection Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 210000000476 body water Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000012546 transfer Methods 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
-
- 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
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/20—Displacing by water
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Nozzles (AREA)
Abstract
The invention discloses a kind of plug for eccentricity hole convenient for metering, including controlling water body, control water spring is placed in control water body, the upper ends of control water spring have water control valve, the upper ends of water control valve have polytetrafluoroethylsealed sealed seat, the top for controlling water body is installed by fountain head, the lower part for controlling water body is installed by immobilization carrier, the inside of immobilization carrier is placed with clamping block, it is by lock screw that clamping block is fixed on a fixed support, spring pressure bar and retaining spring are put into spring pocket, compression bar lock nut is fixed on spring pressure bar with compression bar positioning pin by pushing spring pressure bar, spring pocket installation is tightened on a fixed support, upper end sealing ring is installed on fountain head, lower end sealing ring is installed on control water body, water control valve is fixed on control water body by positioning screw.This blanking plug is not only convenient for measuring, and easy to adjust, using reliable, as long as in this way design data when, so that it may smoothly complete water filling distribution.
Description
Technical field
The present invention relates to a kind of oil field equipments, and in particular to a kind of plug for eccentricity hole convenient for metering.
Background technique
In the exploitation of petroleum, water filling is a kind of important measures increased production and improved productivity, during water filling, eccentric injection mandrel
Because price is low, processes efficient and convenient and occupy critically important status, the development of eccentric injection mandrel is mainly manifested on blanking plug.
Initially, eccentric injection mandrel does not have blanking plug, but later, is come regulating pondage by way of replacing entire eccentric injection mandrel
Cost is reduced, eccentric injection mandrel water outlet part has been changed to a kind of quantitative water block device, it thus can be by simply throwing
The distribution for fishing out to replace blanking plug to realize water injection rate.
Currently, the level for having developed to the adjustable water operation of blanking plug of eccentric injection mandrel, still, adjusting is mould
Quasi- state, the sendout for the water that this status adjustment comes out are difficult to comply fully with design standard, adjust it is also inconvenient,
It is also influenced simultaneously by various factors.
Summary of the invention
The purpose of the present invention is to defects of the existing technology, and it is stifled to provide a kind of eccentric injection mandrel convenient for metering
Fill in device, this blanking plug is not only convenient for measuring, and easy to adjust, using reliable, as long as in this way design data when, so that it may it is smooth
Complete water filling distribution.
Its technical solution is: a kind of plug for eccentricity hole convenient for metering, including control water body, controls and is placed in water body
Water spring is controlled, the upper ends of control water spring have water control valve, and the upper ends of water control valve have polytetrafluoroethylsealed sealed seat, control the top of water body
Fountain head is installed, controls the lower part installation immobilization carrier of water body, the inside of immobilization carrier is placed with clamping block, passes through lock screw handle
Clamping block is fixed to be put into spring pocket spring pressure bar and retaining spring on a fixed support, by pushing spring pressure bar for compression bar
Lock nut is fixed on spring pressure bar with compression bar positioning pin, and spring pocket installation is tightened on a fixed support, is equipped on fountain head
Upper end sealing ring is controlled and is equipped with lower end sealing ring on water body, and water control valve is fixed on control water body by positioning screw.
The present invention compared with prior art, has the advantage that 1, digitized realization, keeps water distribution more acurrate, convenient,
Simultaneously in design, positioning screw is positioned, and keeps entire blanking plug more safe and reliable；2, pressurization is additionally arranged on water control valve
Slot is more in line with fluid mechanics principle, while also reducing water control valve and controlling the frictional force between water body, makes the use of blanking plug
Longer life expectancy；3, original blanking plug is to mill one 100 millimeters long, 4 mm wides, diameter in spring pressure bar as 2 millimeters of tune
Pole holding tank, while needing to bore clamping block and open, immobilization carrier is also to bore to open, after especially water control valve brill is opened, due to work
Part is too small, and the pressurization slot on water control valve can not be implemented, and increase difficulty of processing in this way, also affects the service life of blanking plug,
It is whole more reasonable present invention improves over disadvantages mentioned above；4, it controls in water body and removes original sealing phenyl tetrafluoride pad, not only reduce in this way
The use of material, while the intensity of control water body is also increased, keep processing easier, safety；5, immobilization carrier is become by through-hole
At blind hole, machining period is not only reduced, it is often more important that some pollutants in water body are not easily accessible in blanking plug, make to block up
More secure and reliable when device takes out is filled in, the safety of entire technique is improved.
Fig. 1 is top half structure chart of the present invention；
Fig. 2 is lower half portion structure chart of the present invention；
Fig. 3 is the structure chart of water control hole；
Fig. 4 is blanking plug schematic view of the mounting position on eccentric injection mandrel.
Specific embodiment
Referring to Fig.1-4, a kind of plug for eccentricity hole convenient for metering, including control water body 2, control and are placed in water body 2
Water spring 6 is controlled, the upper ends of control water spring 6 have water control valve 4, and the upper ends of water control valve 4 have polytetrafluoroethylsealed sealed seat 3, control water body 2
Top fountain head 1 is installed, immobilization carrier 7 is installed in the lower part of control water body 2, and the inside of immobilization carrier 7 is placed with clamping block 8, leads to
It crosses lock screw 9 to be fixed on immobilization carrier 7 clamping block 8, spring pressure bar 10 and retaining spring 11 is put into spring pocket 12, lead to
It crosses pushing spring pressure bar 10 the compression bar positioning pin 14 of compression bar lock nut 13 is fixed on spring pressure bar 10, spring pocket 12 is mounted on
It is tightened on immobilization carrier 7, upper end sealing ring 15 is installed on fountain head 1, controlled and lower end sealing ring 16 is installed on water body 2, control water
Valve 4 is fixed on control water body 2 by positioning screw 5.
Working principle: using the connection between fountain head 1 and control water body 2, polytetrafluoroethylsealed sealed seat 3 is fixed in blanking plug and is answered
Position, sealed using the cooperation of water control valve 4 and polytetrafluoroethylsealed sealed seat 3, realize the thorough closing of blanking plug, utilize water control valve 4
Different location and the number of drilling that is discharged of cooperation of control water body 2 realize that the digitlization of water distribution distributes, utilize control water spring 6
With the outer balance with the power for adjusting jackscrew, to find the points of drilling accurately, using positioning screw 5 by water control valve 4 and the phase for controlling water body 2
Position is fixed, the target of accurate water distribution is thereby realized, is carried out using upper end sealing ring 15 and lower end sealing ring 16
Sealing.
Under it is fashionable, find the fixation position of blanking plug accurately using special tripping in tool, when above mentioning, clamping block 8 will compress
Blanking plug is sent to suitable fixed position, at this moment, spring pressure bar 10 by the position-limiting action of immobilization carrier 7 by spring pressure bar 10
Under the action of retaining spring 11, clamping block 8 will be pushed, entire blanking plug is fixed on to the long envelope position of eccentric injection mandrel, this
The special tripping in tool of sample can smoothly take out, that is, complete the tripping in work of blanking plug.When needing to take out, utilization is special
Taking-up tool finds the position where blanking plug accurately, and spring pressure bar 10 can be blocked by above mentioning, and can thus pull spring pressure
10 downlink of bar and discharge clamping block 8, and smoothly blanking plug is taken out.
The use of tool: 1, the taking-up of blanking plug: utilizing special taking-up tool, is transferred to specific purpose tool according to design
Predetermined position is rotated, and when the opening device of specific purpose tool encounters the inner opening limit of eccentric injection mandrel, specific purpose tool is just
It not can be rotated, at this moment above mention specific purpose tool, so that it may the spring pressure bar 10 of blanking plug is blocked, taking-up tubing string is at this moment pushed down on,
10 compression set spring 11 of spring pressure bar can just be made, clamping block 8 is discharged, thus can smoothly take out original blocking
Device pushes away proposition tubing string under continuing, after being rotated by 90 °, above mention, and can smoothly take out original blanking plug.
2, the installation of blanking plug: transferring to predeterminated position for blanking plug according to design using special decentralization tool, into
Row rotation, when the opening device of specific purpose tool encounters the inner opening limit of eccentric injection mandrel, specific purpose tool just not can be rotated, this
When, above mention specific purpose tool, clamping block 8 will automatic compressed spring compression bar 10 and enter should be in position, at this moment in retaining spring 11
Promotion under, 10 uplink of spring pressure bar is locked in clamping block 8 in eccentric injection mandrel blanking plug, at this moment, due to transfer device pair
Spring pressure bar 10 is not stuck, therefore can be smoothly detached from, and after decentralization installation tubing string, is rotated by 90 ° that can will to install tubing string suitable
Benefit is taken out.
Claims (1)
1. a kind of plug for eccentricity hole convenient for metering, it is characterised in that: including controlling water body (2), placed in control water body (2)
There is control water spring (6), the upper ends of control water spring (6) have water control valve (4), and the upper ends of water control valve (4) have polytetrafluoroethylsealed sealed
Fountain head (1) is installed on the top of seat (3), control water body (2), and immobilization carrier (7) are installed in the lower part of control water body (2), immobilization carrier (7)
Inside be placed with clamping block (8), clamping block (8) is fixed on immobilization carrier (7) by lock screw (9), spring pressure
Bar (10) and retaining spring (11) are put into spring pocket (12), by pushing spring pressure bar (10) that compression bar lock nut (13) is fixed with compression bar
Position pin (14) is fixed on spring pressure bar (10), and spring pocket (12) is mounted on immobilization carrier (7) and is tightened, on fountain head (1)
It is equipped with upper end sealing ring (15), is equipped with lower end sealing ring (16) in control water body (2), water control valve (4) passes through positioning screw (5)
It is fixed in control water body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910697151.XA CN110513071A (en) | 2019-07-30 | 2019-07-30 | A kind of plug for eccentricity hole convenient for metering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910697151.XA CN110513071A (en) | 2019-07-30 | 2019-07-30 | A kind of plug for eccentricity hole convenient for metering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110513071A true CN110513071A (en) | 2019-11-29 |
Family
ID=68624282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910697151.XA Pending CN110513071A (en) | 2019-07-30 | 2019-07-30 | A kind of plug for eccentricity hole convenient for metering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110513071A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86209480U (en) * | 1986-11-22 | 1987-12-23 | 辽河石油勘探局兴隆台采油厂 | High pressure plug with elastic dilated machinery |
| CN2307907Y (en) * | 1997-04-16 | 1999-02-17 | 倪亚范 | Anti-backstop eccentric water distribution plug |
| CN2849160Y (en) * | 2005-11-23 | 2006-12-20 | 大庆圣兴石油机械有限责任公司 | Nitriding high strength corrusion proof blocking device |
| CN2908768Y (en) * | 2005-09-27 | 2007-06-06 | 燕山大学 | Uniform-pressure constant current plug |
| US20100084139A1 (en) * | 2008-10-07 | 2010-04-08 | Weatherford/Lamb, Inc. | Downhole Waterflood Regulator |
| CN201730580U (en) * | 2010-07-12 | 2011-02-02 | 毛元红 | Flow-stabilizing adjustable and multifunctional blocking device |
| CN208330314U (en) * | 2018-06-22 | 2019-01-04 | 中国石油化工股份有限公司 | A kind of eccentric injection mandrel |
-
2019
- 2019-07-30 CN CN201910697151.XA patent/CN110513071A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86209480U (en) * | 1986-11-22 | 1987-12-23 | 辽河石油勘探局兴隆台采油厂 | High pressure plug with elastic dilated machinery |
| CN2307907Y (en) * | 1997-04-16 | 1999-02-17 | 倪亚范 | Anti-backstop eccentric water distribution plug |
| CN2908768Y (en) * | 2005-09-27 | 2007-06-06 | 燕山大学 | Uniform-pressure constant current plug |
| CN2849160Y (en) * | 2005-11-23 | 2006-12-20 | 大庆圣兴石油机械有限责任公司 | Nitriding high strength corrusion proof blocking device |
| US20100084139A1 (en) * | 2008-10-07 | 2010-04-08 | Weatherford/Lamb, Inc. | Downhole Waterflood Regulator |
| CN201730580U (en) * | 2010-07-12 | 2011-02-02 | 毛元红 | Flow-stabilizing adjustable and multifunctional blocking device |
| CN208330314U (en) * | 2018-06-22 | 2019-01-04 | 中国石油化工股份有限公司 | A kind of eccentric injection mandrel |
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| 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 | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20191129 |