CN108915630A - A kind of simple plugging device - Google Patents
A kind of simple plugging device Download PDFInfo
- Publication number
- CN108915630A CN108915630A CN201811026416.5A CN201811026416A CN108915630A CN 108915630 A CN108915630 A CN 108915630A CN 201811026416 A CN201811026416 A CN 201811026416A CN 108915630 A CN108915630 A CN 108915630A
- Authority
- CN
- China
- Prior art keywords
- air bag
- drilling rod
- plugging device
- connecting rod
- simple plugging
- 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
- 238000005553 drilling Methods 0.000 claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 6
- 230000000087 stabilizing effect Effects 0.000 claims description 4
- 241001074085 Scophthalmus aquosus Species 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052782 aluminium Inorganic materials 0.000 abstract description 3
- 239000002775 capsule Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004080 punching 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
- E21B33/1208—Packers; Plugs characterised by the construction of the sealing or packing means
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)
- Pipe Accessories (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a kind of simple plugging devices, including air bag, air bag be equipped with communicated air bags and drilling rod can automatic disassembling device, air bag by can automatic disassembling device be connected on drilling rod, and pass through that drilling rod is inflated into air bag or water is bonded to air bag with drilling shaft lining.The present apparatus of the invention is a kind of inflatable bladders plug, the preferably air bag of pressure-resistant rubber material, in predetermined block section, Open-Hole Section diameter is opened so that plug be made to be expanded into two by the pressurising into air bag, it is contacted with two walls that drive a well, due to frictional resistance, reaches delay plugging effect.This kind of plugging device is high to borehole wall stickiness, and use scope is not limited to single borehole wall diameter, adaptable；Economical and practical, selected material is common aluminum material and rubber material, and drillability is good, and it is not high to make precision prescribed；Device simply can be used as disposable.
Description
Technical field
The present invention relates to geothermal wells to drill plugging device technical field, and in particular to a kind of simple plugging device.
Background technique
For usual geothermal well after completion one spuds in and visits setting of casing, two, which open boring aperture, opens casing inner diameter greater than one, opens two
Wouldn't down tube when processing two when opening leftover problem, it is sometimes necessary to the two temporary closure of beginning section, conventional stopper due to
It needs to open casing by one, diameter is unable to reach expected size.For example, southern Bed Rock Region geothermal well probing design generally one
It opens diameter 311mm (general diameter), completes probing tripping in diameter 244.5mm*10.03mm casing, casing inner diameter 224.44mm.
Two spud in exploration 216mm drill bit drilling, according to conventional logging data naked eye diameter 230mm-250mm or so after pore-forming
(except special formation undergauge), therefore, two, which open naked eye aperture, is all larger than one and opens casing inner diameter, and conventional plug can not be in Open-Hole Section
It is detained.Under certain conditions, it needs temporarily to block two beginning sections, be unsealed after issue handling.It is required that blocking as far as possible not
Influence understratum, therefore, plugging device should economical and effective, drillability is good again.
In view of the above-mentioned problems, proposing the present invention.
Summary of the invention
The object of the present invention is to provide a kind of simple plugging devices.
For achieving the above object, the technical scheme is that：A kind of simple plugging device, including air bag 6, air bag
6 be equipped with communicated air bags 6 and drilling rod 1 can automatic disassembling device, air bag 6 by can automatic disassembling device be connected on drilling rod 1,
And it is inflated into air bag 6 or water is bonded to air bag 6 with drilling shaft lining 7 by drilling rod 1.
Further, air bag 6 is additionally provided with bracket, and bracket includes upper plate 9, lower plate 8 and connection upper plate 9 and lower plate
8 connecting rod 10, connecting rod 10 are hollow structure, and air bag 6 is annular air-pocket, are sleeved in the connecting rod 10 of bracket, connecting rod
10 upper ends by can automatic disassembling device be connected to drilling rod 1,6 air inlet of air bag is connected to connecting rod 10.
Further, 6 air inlet of air bag and 10 junction of connecting rod are equipped with check valve 4.
Further, 10 bottom end of connecting rod penetrates lower plate 8 in hatch frame, and air bag 6 is equipped with gas outlet, gas outlet and company
Extension bar 10 is connected by pressure stabilizing relief valve 5.
Further, upper plate 9 and lower plate 8 are disc, and upper plate 9 and the diameter of lower plate 8 are respectively less than drilling well
7 internal diameter of the borehole wall.
Further, gas outlet is located at below air inlet.
Further, 10 top of connecting rod penetrates upper plate 9 in hatch frame, and 9 opening of upper plate is covered with sealing
Set 11,11 top of sealing shroud by can automatic disassembling device be connected to drilling rod 1.
Further, can automatic disassembling device include connector 2 and left-hand tool joint 3, be respectively arranged on air bag 6 and drilling rod 1.
Further, can automatic disassembling device include upper female thread and the reversed connector of lower pin thread, be respectively arranged in air bag 6 and bore
On bar 1.
The beneficial effects of the invention are as follows：
The present apparatus of the invention is a kind of inflatable bladders plug, the preferably air bag of pressure-resistant rubber material, is blocked predetermined
Section, by into air bag pressurising open Open-Hole Section diameter to making plug be expanded into two, contacted with two walls that drive a well, since friction hinders
Power reaches delay plugging effect.
Detailed description of the invention
When considered in conjunction with the accompanying drawings, by referring to following detailed description, the present invention can be more completely and better understood with
And be easy to learn many adjoint advantages, but the drawings described herein are used to provide a further understanding of the present invention,
A part of the invention is constituted, the illustrative embodiments of the present invention and their descriptions are used to explain the present invention, does not constitute to this hair
Bright improper restriction, wherein：
Fig. 1 is a kind of structural schematic diagram of simple plugging device of the invention；
Fig. 2 is a kind of cross-sectional structure schematic diagram of simple plugging device of the invention.
Specific embodiment
Below in conjunction with attached drawing to the present invention, technical scheme in the embodiment of the invention is clearly and completely described.
Such as Fig. 1-2, a kind of simple plugging device, including air bag 6, air bag 6 be equipped with communicated air bags 6 and drilling rod 1 can from
Dynamic provision for disengagement, air bag 6 by can automatic disassembling device be connected on drilling rod 1, and pass through drilling rod 1 and inflated into air bag 6 or water
It is bonded to air bag 6 with drilling shaft lining 7.
Use principle：Drilling rod bottom by can automatic disassembling device connect air bag, and by drilling rod uniform speed slow by air bag
G.I.H predetermined position；After transferring to predetermined position, air or water are injected into air bag by drilling rod, process is equally answered even
It is fast slow, (water) equipment should not be supplied using huge discharge power；After air bag opens completely, after air bag is bonded with the borehole wall completely,
Drilling rod is disassembled from air bag by automatic disassembling device, above mentions drilling rod after completely disengaging, work is blocked and completes, it can be with
Continue the work of next step.
Due to being fitted closely after air bag punching press with the borehole wall, air bag diameter can according to borehole wall diameter change, between friction
Air bag very stable can be reserved in predetermined position by power.Compared with traditional plug, efficiently solve since plug diameter is inclined
Problem that is small, easily moving.
More preferably technical solution, bracket is additionally provided on air bag 6, and bracket includes upper plate 9, lower plate 8 and connection upper plate 9
With the connecting rod 10 of lower plate 8, connecting rod 10 is hollow structure, and air bag 6 is annular air-pocket, is sleeved on the connecting rod 10 of bracket
On, and be clamped between upper plate and lower plate, 10 upper end of connecting rod by can automatic disassembling device be connected to drilling rod 1, air bag 6
Air inlet is connected to connecting rod 10.Bracket primarily serves fixed function, and limits air bag 6 and be radially expanded along the borehole wall, plays closure
Effect.Gas or the hollow of water connecting rod in drilling rod 1 are delivered in air bag, and filling air bag is allowed to expand.
More preferably technical solution, 6 air inlet of air bag and 10 junction of connecting rod are equipped with check valve 4.Prevent the gas in air bag 6
Body or water are leaked by air inlet.
More preferably technical solution, 10 bottom end of connecting rod penetrate lower plate 8 in hatch frame, and air bag 6 is equipped with gas outlet, outlet
Mouth is connect with connecting rod 10 by pressure stabilizing relief valve 5.Pressure stabilizing relief valve 5 guarantees air bag for releasing extra gas or water
Pressure is stablized.
More preferably technical solution, upper plate 9 and lower plate 8 are disc, and upper plate 9 and the diameter of lower plate 8 are small
In 7 internal diameter of drilling shaft lining.
More preferably technical solution, gas outlet are located at below air inlet.Connecting rod top is air bag inlet channel, and lower part is gas
Capsule excessive gas exhaust passage.
More preferably technical solution, 10 top of connecting rod penetrate upper plate 9 in hatch frame, the 9 opening cover of upper plate
Have a sealing shroud 11,11 top of sealing shroud by can automatic disassembling device be connected to drilling rod 1.
More preferably technical solution, can automatic disassembling device include connector 2 and left-hand tool joint 3, be respectively arranged in air bag 6 and bore
On bar 1.
More preferably technical solution, can automatic disassembling device include upper female thread and the reversed connector of lower pin thread, be respectively arranged in gas
On capsule 6 and drilling rod 1.Drilling rod jointing in the technical program, then connector connects a left-hand tool joint, and middle part is under check valve
Air bag is connect, bottom is a pressure maintaining valve (extra pressure is laid down when supply gas pressure is too big).At work, from top
(water) is supplied in drilling rod, air bag struts, to contact with the borehole wall, reaches plugging effect.After closure, drilling rod is rotated clockwise, from
Reversion joint falls off, and above mentions drilling rod, carries out subsequent job.
The material of air bag, which can choose aluminum material or rubber material etc., in above-mentioned each technical solution can bore material, envelope
Good pressure-resistant performance when stifled.
In conclusion the present apparatus of the invention is a kind of inflatable bladders plug, the preferably air bag of pressure-resistant rubber material,
Predetermined block section, by into air bag pressurising open Open-Hole Section diameter to making plug be expanded into two, contacted with two walls that drive a well, due to
Frictional resistance reaches delay plugging effect.This kind of plugging device is high to borehole wall stickiness, and use scope is not limited to the single borehole wall
Diameter, it is adaptable；Economical and practical, selected material is common aluminum material and rubber material, and drillability is good, and makes and require
Precision is not high；Device simply can be used as disposable.
The description of the above examples is only intended to facilitate the understand of the core idea of the present invention；Meanwhile for the general of this field
Technical staff, according to the thought of the present invention, there will be changes in the specific implementation manner and application range, in conclusion
The contents of this specification are not to be construed as limiting the invention.
Claims (9)
1. a kind of simple plugging device, which is characterized in that including air bag (6), the air bag (6) be equipped with communicated air bags (6) with
Drilling rod (1) can automatic disassembling device, the air bag (6) by can automatic disassembling device be connected on drilling rod (1), and pass through brill
Bar (1) inflation or water into air bag (6) are bonded to air bag (6) with drilling shaft lining (7).
2. a kind of simple plugging device according to claim 1, which is characterized in that the air bag (6) is additionally provided with bracket, institute
Stating bracket includes upper plate (9), lower plate (8) and the connecting rod (10) for connecting upper plate (9) and lower plate (8), the connection
Bar (10) is hollow structure, and the air bag (6) is annular air-pocket, is sleeved in the connecting rod (10) of bracket, the connecting rod
(10) upper end by can automatic disassembling device be connected to drilling rod (1), air bag (6) air inlet is connected to connecting rod (10).
3. a kind of simple plugging device according to claim 2, which is characterized in that air bag (6) air inlet with connect
Bar (10) junction is equipped with check valve (4).
4. a kind of simple plugging device according to claim 3, which is characterized in that connecting rod (10) bottom end penetrates down
Bottom plate (8) is in hatch frame, and the air bag (6) is equipped with gas outlet, and the gas outlet and connecting rod (10) pass through pressure stabilizing relief valve
(5) it connects.
5. a kind of simple plugging device according to claim 4, which is characterized in that the upper plate (9) and lower plate (8)
It is disc, the diameter of the upper plate (9) and lower plate (8) is respectively less than drilling shaft lining (7) internal diameter.
6. a kind of simple plugging device according to claim 5, which is characterized in that the gas outlet is located under air inlet
Side.
7. a kind of simple plugging device according to claim 6, which is characterized in that connecting rod (10) top penetrates
Top plate (9) is in hatch frame, and upper plate (9) opening is covered with sealing shroud (11), and sealing shroud (11) top passes through can
Automatic disassembling device is connected to drilling rod (1).
8. a kind of simple plugging device according to claim 1-7, which is characterized in that it is described can automatic dismantling dress
It sets including connector (2) and left-hand tool joint (3), is respectively arranged on air bag (6) and drilling rod (1).
9. a kind of simple plugging device according to claim 1-7, which is characterized in that it is described can automatic dismantling dress
It sets including upper female thread and the reversed connector of lower pin thread, is respectively arranged on air bag (6) and drilling rod (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811026416.5A CN108915630A (en) | 2018-09-04 | 2018-09-04 | A kind of simple plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811026416.5A CN108915630A (en) | 2018-09-04 | 2018-09-04 | A kind of simple plugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108915630A true CN108915630A (en) | 2018-11-30 |
Family
ID=64408246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811026416.5A Pending CN108915630A (en) | 2018-09-04 | 2018-09-04 | A kind of simple plugging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108915630A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111173474A (en) * | 2020-01-13 | 2020-05-19 | 西南石油大学 | Water stopping device for layered water pumping test, water pumping test device and test method |
| CN111827918A (en) * | 2020-07-23 | 2020-10-27 | 北京大地高科地质勘查有限公司 | Novel plugging device for large-diameter pneumatic down-the-hole hammer reverse circulation drilling process |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2351544Y (en) * | 1998-11-12 | 1999-12-01 | 新疆生产建设兵团勘测设计院地质勘察分院 | Air bag type drilling water-sealing up packer |
| US20030037932A1 (en) * | 2001-08-27 | 2003-02-27 | Brett Guillory | Drillable inflatable packer & methods of use |
| CN101899960A (en) * | 2010-07-09 | 2010-12-01 | 张幼禽 | Oilwell leakage plugging device |
| CN203808918U (en) * | 2014-03-12 | 2014-09-03 | 兰德伟业科技集团有限公司 | Inflatable oil well plugging device |
| CN104863502A (en) * | 2015-04-22 | 2015-08-26 | 常州工学院 | Safe drilling device and method for preventing overflow and blowout in gas-bearing soil layers |
| CN207332822U (en) * | 2017-09-21 | 2018-05-08 | 广东金东建设工程公司 | A kind of relief well plugging device |
| CN208803826U (en) * | 2018-09-04 | 2019-04-30 | 北京泰利新能源科技发展有限公司 | A kind of simple plugging device |
-
2018
- 2018-09-04 CN CN201811026416.5A patent/CN108915630A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2351544Y (en) * | 1998-11-12 | 1999-12-01 | 新疆生产建设兵团勘测设计院地质勘察分院 | Air bag type drilling water-sealing up packer |
| US20030037932A1 (en) * | 2001-08-27 | 2003-02-27 | Brett Guillory | Drillable inflatable packer & methods of use |
| CN101899960A (en) * | 2010-07-09 | 2010-12-01 | 张幼禽 | Oilwell leakage plugging device |
| CN203808918U (en) * | 2014-03-12 | 2014-09-03 | 兰德伟业科技集团有限公司 | Inflatable oil well plugging device |
| CN104863502A (en) * | 2015-04-22 | 2015-08-26 | 常州工学院 | Safe drilling device and method for preventing overflow and blowout in gas-bearing soil layers |
| CN207332822U (en) * | 2017-09-21 | 2018-05-08 | 广东金东建设工程公司 | A kind of relief well plugging device |
| CN208803826U (en) * | 2018-09-04 | 2019-04-30 | 北京泰利新能源科技发展有限公司 | A kind of simple plugging device |
Non-Patent Citations (1)
| Title |
|---|
| 朱恩灵: "试油工艺技术", vol. 1, 石油工业出版社, pages: 77 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111173474A (en) * | 2020-01-13 | 2020-05-19 | 西南石油大学 | Water stopping device for layered water pumping test, water pumping test device and test method |
| CN111827918A (en) * | 2020-07-23 | 2020-10-27 | 北京大地高科地质勘查有限公司 | Novel plugging device for large-diameter pneumatic down-the-hole hammer reverse circulation drilling process |
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