CN108374644A - Underwater ne-leakage exploratory trephination technique with pressure - Google Patents
Underwater ne-leakage exploratory trephination technique with pressure Download PDFInfo
- Publication number
- CN108374644A CN108374644A CN201711026779.4A CN201711026779A CN108374644A CN 108374644 A CN108374644 A CN 108374644A CN 201711026779 A CN201711026779 A CN 201711026779A CN 108374644 A CN108374644 A CN 108374644A
- Authority
- CN
- China
- Prior art keywords
- underwater
- steel pipe
- ball valve
- technique
- face
- 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
- 238000000034 method Methods 0.000 title claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 39
- 239000010959 steel Substances 0.000 claims abstract description 39
- 238000005553 drilling Methods 0.000 claims abstract description 30
- 239000004567 concrete Substances 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims description 8
- 239000004593 Epoxy Substances 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 238000003384 imaging method Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 238000011835 investigation Methods 0.000 abstract 1
- 239000000565 sealant Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000007767 bonding agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000002689 soil 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/035—Well heads; Setting-up thereof specially adapted for underwater installations
-
- 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/02—Valve arrangements for boreholes or wells in well heads
- E21B34/04—Valve arrangements for boreholes or wells in well heads in underwater well heads
-
- 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
- E21B47/00—Survey of boreholes or wells
- E21B47/002—Survey of boreholes or wells by visual inspection
-
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/12—Underwater drilling
-
- 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
- E21B2200/00—Special features related to earth drilling for obtaining oil, gas or water
- E21B2200/04—Ball valves
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)
- Geophysics (AREA)
- Check Valves (AREA)
Abstract
The present invention relates to exploratory trephination techniques, a kind of underwater ne-leakage exploratory trephination technique with pressure is specifically provided, the technique realizes that the sealer is made of ball valve, lower part steel pipe, three part of top seal, which includes the following steps by a kind of underwater borehole sealing device with pressure：A mounting hole that can accommodate sealer lower part steel pipe first is bored in face-plate of rockfill dam with drilling device, is then fixed lower part steel pipe and the concrete on face-plate of rockfill dam using sealant；In the state that ball-valve valve rod switch is unscrewed, drilling rod passes through high elastic rubber center hole, ball valve, lower part steel pipe to stretch into face-plate of rockfill dam implementation bore operation；Sealer can be passed through by miniature webcam after the completion of drilling, go deep into face-plate of rockfill dam bottom and implement investigation job.The present invention realizes underwater ne-leakage bore operation with pressure, effectively prevent a large amount of flows of boring procedure to enter part of coming to nothing inside face-plate of rockfill dam, leads to that rock-fill dams cave in and wait perils, improves underwater operation safety.
Description
Technical field
The present invention relates to a kind of exploratory trephination technique, specially underwater ne-leakage exploratory trephination technique with pressure.
Background technology
Concrete face rockfill dam (armored concrete panel rolled rockfill dam) was grown up after the sixties, the world
Upper highest reinforced concrete face rockfill dam is water cloth a strip of land between hills key water control project of the China 233m high being completed in 2011.Sloping core (or
Panel) rock-fill dams impervious body is located at rockfill upstream, and material has earth material, armored concrete, bituminous concrete, timber etc..Antiseepage
The soil body can be placed on rockfill upstream, and thicker heap rock layers can also be arranged on native sloping core.Rock appears in 19 earliest
The fifties in century California, USA Sierra Nevada mining area, rock-fill dams at that time use wooden boards antiseepage.
Currently, the problems such as concrete structures such as face-plate of rockfill dam lower part is usually come to nothing, since these positions are often located
In the underwater of tens meters of depths, it is difficult to gather effect using the method for physical prospecting；Most direct method is exactly exploratory trephination, but exploratory trephination is again
There are problems that serious leakage is difficult to solve.
Invention content
Technical problem solved by the invention is to provide a kind of underwater ne-leakage exploratory trephination technique with pressure, in solution
State the problem in background technology.
Technical problem solved by the invention is realized using following technical scheme：
The technique realizes that the sealer is close by ball valve, lower part steel pipe, top by a kind of underwater borehole sealing device with pressure
Feng Tisan parts form, and are integrally formed by welding or screwed connection between the ball valve and lower part steel pipe, the ball valve and top
It is fixedly connected using screw thread between portion's seal, the top sealer is by the steel pipe with screw thread, high elastic rubber, clip three
It being grouped as, the rubber center is equipped with circular hole, and the rubber is pasted onto by the bonding agent of high intensity on the steel pipe with screw thread,
And it is fixed by steel clip and steel pipe lock ring.
The technique includes the following steps：
(1) consolidating for underwater borehole sealing device with pressure lower part steel pipe can be accommodated by first boring one in face-plate of rockfill dam with drilling device
Determine hole, then underwater epoxy material and the agent of SXM underwater sealings is used to fix lower part steel pipe and the concrete on face-plate of rockfill dam；
(2) after intensity of the material to be sealed with 22Mpa or more, drilling rod, elastic rubber center are equipped with for drilling device
Circularhole diameter must be less than drilling rod outer diameter；
(3) in the state that ball-valve valve rod switch is unscrewed, drilling rod passes through high elastic rubber center hole, ball valve, lower part steel
Pipe stretches into face-plate of rockfill dam and implements bore operation；
(4) after completing drilling, drilling rod is promoted to the above position of ball valve, but does not depart from top seal, is then shut off ball valve,
Drilling rod is proposed from the sealer of top；
(5) camera is installed, top seal is inserted by the miniature webcam of automatic light source, then opens ball valve, it will
Camera extends to face-plate of rockfill dam concrete base, is observed, images；
(6) after the completion of imaging, camera to ball valve or more is carried, but does not depart from top seal, is then shut off ball valve, finally
Camera is proposed from the sealer of top, is fulfiled assignment.
The wall thickness of the steel pipe is not less than 6mm.Ball valve is matched with steel pipe, and specification is true according to the internal diameter and wall thickness of steel pipe
Fixed, identical size is advisable.The thickness of high elastic rubber determines according to the depth of water, preferably 8~10mm.
Beneficial effects of the present invention：It realizes underwater bore operation with pressure, a large amount of flows of boring procedure is effectively prevent to enter heap
Masonry dam panel itself comes to nothing part, leads to that rock-fill dams cave in and waits perils, improves underwater operation safety.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
In figure：1. face-plate of rockfill dam, 2. mounting holes；3. steel pipe；4. ball valve：5. clip；6. rubber；7. valve rod switchs；8.
Drilling rod.
Specific implementation mode
Below in conjunction with the embodiment of the present invention, technical scheme of the present invention is clearly and completely described, it is clear that institute
The embodiment of description is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention,
Every other embodiment obtained by those of ordinary skill in the art without making creative efforts, belongs to this hair
The range of bright protection.
Clear, complete description, certainly, described embodiment are carried out to the technical solution in patent of invention example below
The only a part of embodiment of the present invention, instead of all the embodiments.Based on embodiment in the present invention, ordinary skill
Personnel do not make the every other embodiment obtained under the premise of creative work, belong to the scope of the present invention.
Referring to Fig. 1, underwater ne-leakage exploratory trephination technique with pressure, by ball valve 4, lower part steel pipe 3, three part of top seal
Composition, the top sealer are made of the steel pipe 3 with screw thread, high elastic rubber 6,5 three parts of clip, 6 center of the rubber
Equipped with circular hole, the rubber 6 is pasted onto by the bonding agent of high intensity on the steel pipe 5 with screw thread, and by steel clip 5 with
3 lock ring of steel pipe is fixed.It is integrally formed by welding or screwed connection between the ball valve 4 and lower part steel pipe 3.The ball valve 4 with
It is fixedly connected using screw thread between the seal of top.
Matched 8 diameter of drilling rod is more than its Circularhole diameter of high elastic rubber 6.Such as drill pipe diameter is 30mm, circular hole
Diameter can be 10mm；4 valve rod of ball valve switch unscrew in the state of, drilling rod 8 pass through 6 center hole of high elastic rubber, ball valve 4,
Lower part steel pipe 3 stretches into face-plate of rockfill dam 1 and implements bore operation.The wall thickness of the steel pipe is not less than 6mm.Ball valve is matched with steel pipe,
Its specification determines that identical size is advisable according to the internal diameter and wall thickness of steel pipe.The thickness of high elastic rubber determines according to the depth of water, preferably
For 8~10mm.
Embodiment：
A mounting hole 2 that can accommodate present apparatus lower part steel pipe first is bored in face-plate of rockfill dam 1 with drilling device, depth is
80-100mm, a diameter of 5cm (can adjust as needed), using underwater epoxy material and SXM underwater sealing agent, by lower part steel pipe
3 fix with concrete on face-plate of rockfill dam 1, wait for that epoxy material and SXM have the intensity of 22Mpa (can adjust as needed) or more
Afterwards, to improve drilling efficiency, when starting drilling, top sealer is not installed first；When close to when drilling through concrete, then install,
The thickness of concrete can generally determine that reserved thickness when installing sealer is that 50mm can guarantee and will not bore by design drawing
Leak thoroughly；Since the diameter of preformed hole on the sealer high elastic rubber of top is much smaller than drill pipe diameter, so on sealer
High elastic rubber can be close to drilling rod, to play sealing effect.After completing drilling, drilling rod to ball valve or more is promoted, but must not be from
Top sealer is opened, at this time top sealer sealing；It is then shut off ball valve, at this time ball valve sealing；It is finally that drilling rod is close from top
It is proposed in envelope device.After the completion of drilling, you can stretched into after panel using the miniature webcam of automatic light source and detected, imaged.
When camera is installed, it is inserted into top sealer to by camera, at this time top sealer sealing；Then ball is opened
Camera is extended to concrete base by valve, to be observed, to image.After the completion of camera shooting, camera to ball valve or more is carried；It closes
Ball valve is closed, at this time ball valve sealing；Finally camera is proposed from the sealer of top.
Other operations can refer to aforesaid operations progress.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. underwater ne-leakage exploratory trephination technique with pressure, which is characterized in that the technique passes through a kind of underwater borehole sealing device with pressure
It realizes, which is made of ball valve, lower part steel pipe, three part of top seal, the top sealer is by with screw thread
Steel pipe, high elastic rubber, clip three parts composition, the rubber center is equipped with circular hole, the bonding that the rubber passes through high intensity
Agent is pasted onto on the steel pipe with screw thread, and is fixed by steel clip and steel pipe lock ring；
The technique includes the following steps：
(1) first with drilling device a fixation that can accommodate underwater borehole sealing device with pressure lower part steel pipe is bored in face-plate of rockfill dam
Then hole uses underwater epoxy material and the agent of SXM underwater sealings to fix lower part steel pipe and the concrete on face-plate of rockfill dam；
(2) after intensity of the material to be sealed with 22Mpa or more, drilling rod, the circle at elastic rubber center are equipped with for drilling device
Bore dia must be less than drilling rod outer diameter；
(3) in the state that ball-valve valve rod switch is unscrewed, drilling rod passes through high elastic rubber center hole, ball valve, lower part steel pipe to stretch
Enter face-plate of rockfill dam and implements bore operation；
(4) after completing drilling, drilling rod is promoted to the above position of ball valve, but does not depart from top seal, is then shut off ball valve, will be bored
Bar is proposed from the sealer of top；
(5) camera is installed, top seal is inserted by the miniature webcam of automatic light source, then opens ball valve, will image
Head extends to face-plate of rockfill dam concrete base, is observed, images；
(6) after the completion of imaging, camera to ball valve or more is carried, but does not depart from top seal, ball valve is then shut off, will finally take the photograph
As head is proposed from the sealer of top, fulfil assignment.
2. underwater ne-leakage exploratory trephination technique with pressure according to claim 1, it is characterised in that：The ball valve and lower part
It is integrally formed by welding or screwed connection between steel pipe.
3. underwater ne-leakage exploratory trephination technique with pressure according to claim 1, it is characterised in that：The ball valve and top
It is fixedly connected using screw thread between seal.
4. underwater ne-leakage exploratory trephination technique with pressure according to claim 1, it is characterised in that：The wall thickness of the steel pipe
Not less than 6mm.
5. underwater ne-leakage exploratory trephination technique with pressure according to claim 1, it is characterised in that：The elastic rubber
Thickness is 8~10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711026779.4A CN108374644A (en) | 2017-10-27 | 2017-10-27 | Underwater ne-leakage exploratory trephination technique with pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711026779.4A CN108374644A (en) | 2017-10-27 | 2017-10-27 | Underwater ne-leakage exploratory trephination technique with pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108374644A true CN108374644A (en) | 2018-08-07 |
Family
ID=63015462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711026779.4A Pending CN108374644A (en) | 2017-10-27 | 2017-10-27 | Underwater ne-leakage exploratory trephination technique with pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108374644A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2362630Y (en) * | 1999-01-13 | 2000-02-09 | 张力新 | Hand-holding type drilling tool for pressured pipe line |
| CN2654851Y (en) * | 2003-11-01 | 2004-11-10 | 中国石化胜利油田有限公司采油工艺研究院 | Oil well under water drilling device with pressure |
| CN201757241U (en) * | 2010-07-05 | 2011-03-09 | 天津建岩岩土工程有限公司 | Operating tool under pressure for pipeline communication |
| CN202470966U (en) * | 2012-02-21 | 2012-10-03 | 唐山汇中仪表股份有限公司 | Tool for measuring wall thickness of pipeline under pressure |
| CN203626702U (en) * | 2013-12-27 | 2014-06-04 | 邢台市中煤矿山器材有限公司 | Drilling orifice blowout prevention device |
| US20160097240A1 (en) * | 2014-10-06 | 2016-04-07 | Chevron U.S.A. Inc. | Integrated Managed Pressure Drilling Transient Hydraulic Model Simulator Architecture |
| CN205423831U (en) * | 2016-03-27 | 2016-08-03 | 田中峰 | Drilling sealing device is pressed in area |
-
2017
- 2017-10-27 CN CN201711026779.4A patent/CN108374644A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2362630Y (en) * | 1999-01-13 | 2000-02-09 | 张力新 | Hand-holding type drilling tool for pressured pipe line |
| CN2654851Y (en) * | 2003-11-01 | 2004-11-10 | 中国石化胜利油田有限公司采油工艺研究院 | Oil well under water drilling device with pressure |
| CN201757241U (en) * | 2010-07-05 | 2011-03-09 | 天津建岩岩土工程有限公司 | Operating tool under pressure for pipeline communication |
| CN202470966U (en) * | 2012-02-21 | 2012-10-03 | 唐山汇中仪表股份有限公司 | Tool for measuring wall thickness of pipeline under pressure |
| CN203626702U (en) * | 2013-12-27 | 2014-06-04 | 邢台市中煤矿山器材有限公司 | Drilling orifice blowout prevention device |
| US20160097240A1 (en) * | 2014-10-06 | 2016-04-07 | Chevron U.S.A. Inc. | Integrated Managed Pressure Drilling Transient Hydraulic Model Simulator Architecture |
| CN205423831U (en) * | 2016-03-27 | 2016-08-03 | 田中峰 | Drilling sealing device is pressed in area |
Non-Patent Citations (5)
| Title |
|---|
| 张亚军: "水电站大坝面板脱空检测方案研讨", 《技术与市场》 * |
| 李英锁等: "小口径带压开孔技术的应用与改进", 《2010年河北省冶金学会炼铁技术暨学术年会论文集》 * |
| 樊玉泉等主编: "倒水裂隙带发育高度的观测", 《薄煤层安全质量标准化创新与实践》 * |
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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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180807 |
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| RJ01 | Rejection of invention patent application after publication |