CN203879394U - Movable casing for deep sea exploration drilling - Google Patents
Movable casing for deep sea exploration drilling Download PDFInfo
- Publication number
- CN203879394U CN203879394U CN201420155126.1U CN201420155126U CN203879394U CN 203879394 U CN203879394 U CN 203879394U CN 201420155126 U CN201420155126 U CN 201420155126U CN 203879394 U CN203879394 U CN 203879394U
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- China
- Prior art keywords
- casing
- phi
- sleeve pipes
- sleeve
- pipes
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- Expired - Lifetime
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- 238000005553 drilling Methods 0.000 title claims abstract description 28
- 238000007789 sealing Methods 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 238000010276 construction Methods 0.000 description 3
- 201000010099 disease Diseases 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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- Revetment (AREA)
Abstract
The utility model relates to a movable casing for deep sea exploration drilling. The movable casing consists of a phi 273 casing, a phi 146 casing and a phi 180 casing sleeved with each other, wherein the lower end of the phi 180 casing is inserted below the seabed surface; the phi 273 casing is arranged on a drilling platform by using a fixed bracket, and the upper end is coated outside the phi 180 casing; the phi 146 casing is fixed by using a fixed clamping plate in an opening of the phi 273 casing; the lower end of the phi 146 casing is inserted in the phi 180 casing, and the upper end is exposed outside the fixed clamping plate; a sealing ring is arranged outside the phi 273 casing; and the inner wall of the phi 146 casing is contacted with the sealing ring. When the movable casing is operated, the phi 180 casing serves as a fixed pipe and a drill protecting pipe, and the phi 146 casing and the phi 273 casing can be vertically staggered corresponding to the phi 180 casing along with the shaking of the drilling platform and the fluctuation of tidewater. The movable casing can be suitable for deep water domains with strong wind, big wave, wide tidal range and severe shaking of the drilling platform, can reduce the auxiliary working time, and improves the working efficiency and the safety.
Description
Technical field
The utility model relates to a kind of sleeve combination of drilling use, is specifically applicable to that tidal fluctuations is large, the wind disease deep-sea that the wave is high prospecting probing moving casing.
Background technology
At present, Chinese large-sized Oversea bridge is built in the ascendant, and the deep-sea prospecting in the larger marine site of tidal fluctuations is significant.Carry out drilling operation at wind and waves with in the ebb tide water marine site of rising sharply, need in the face of following difficulty: (1) probing boats and ships acutely rock under wind and waves effect, drilling platform can reach 0.3～0.8m with the upper and lower amplitude of fluctuation of stormy waves, and the normal operation that how to ensure rig is a no small test; (2) tidal fluctuations of construction area is frequent, each tidal period will be experienced climax and a Lower Low Water, per hourly rise, ebb tide can reach 0.20～1.0m, according to general drilling technology, just need constantly to increase or dismounting sleeve pipe, so effective probing time of each round trip very limited, operating efficiency can reduce greatly; (3) traditional handicraft construction, need to constantly load and unload sleeve pipe according to tidewater situation, is easy to occur unexpected personnel, equipment injury accident.Rationally resolve these problems, probing work quality, operating efficiency and safety guarantee will significantly improve.
Summary of the invention
The utility model object is for above-mentioned present situation, and in wind disease, the wave is high, tidal range large, drilling platform rocks serious deep water waters probing to aim to provide a kind of energy adaptation, can improve the deep-sea prospecting probing moving casing of marine site drilling efficiency, security performance.
The implementation of the utility model object is: deep-sea prospecting probing moving casing, is made up of φ 273 sleeve pipes that are socketed each other, φ 146 sleeve pipes, φ 180 sleeve pipes; φ 180 sleeve pipe lower end inserted to plays enter below sea bed face, for stationary pipes, φ 273 sleeve pipes are placed on drilling platform by fixed support, upper end is enclosed within outside φ 180 sleeve pipes, and φ 146 overlaps effective strap to be fixed, and strap is shelved on the φ 273 sleeve pipe mouths of pipe, φ inserts 146 sleeve pipe lower ends in φ 180 sleeve pipes, expose outside strap upper end, and φ 273 sleeve pipes have sealing ring outward, and the inwall of φ 146 sleeve pipes contacts with sealing ring.
The utility model when work, squeeze into φ 180 sleeve pipes below sea bed face as fixed sleeve pipe and drilling tool protection tube in probing; φ 146 sleeve pipes and φ 273 sleeve pipes can be along with the rocking and the fluctuation of tidewater and with respect to the upper and lower changing of the relative positions of φ 180 sleeve pipe of drilling platform, thereby ensured normally carrying out of probing work; The utility model can adapt to that the wave is high in wind disease, tidal range is large, drilling platform rocks serious deep water waters probing, has reduced service working time, has improved operating efficiency and safety guarantee.
Brief description of the drawings
Fig. 1 is the utility model structural representation.
Detailed description of the invention
The utility model is made up of φ 273 sleeve pipes 3 that are socketed each other, φ 146 sleeve pipes 2, φ 180 sleeve pipes 1.φ 180 sleeve pipe 1 lower end inserted to plays enter sea bed face below 9, as stationary pipes and drilling tool protection tube.φ 273 sleeve pipes 3 are placed on drilling platform 6 by fixed support 5, and upper end is enclosed within outside φ 180 sleeve pipes 1, as the protection tube of φ 180 sleeve pipes.φ 146 sleeve pipe 2 use straps 4 are fixing, and strap is shelved on the φ 273 sleeve pipe mouths of pipe, and φ inserts in φ 180 sleeve pipes 146 sleeve pipe 2 lower ends, and expose outside strap 4 upper end, uses as mud tube.Outside φ 273 sleeve pipes 3, have sealing ring 7, the inwall of φ 146 sleeve pipes 2 contacts with sealing ring.
The length H2 of φ 180 sleeve pipes 1 determines according to the sea water advanced Hw of seawater face 8 and drilling platform freeboard, and the mouth of pipe is advisable at drilling platform 2～3m below 6; Squeeze into the following degree of depth of sea bed face 9 and determine according to strata condition, can meet probing work.
The length H3 of φ 273 sleeve pipes 3 should consider the maximum sling height of drilling cramp, consider again the fluctuation amplitude of tidewater, more satisfactory length is than the long 3～4m of the fluctuation amplitude of tidewater, so just can reduce the possibility of installation, dismounting φ 180 sleeve pipes 1, thereby improve effective drilling time and efficiency.
φ 146 sleeve pipe 2 upper ends are than the high 1～1.5m of drilling platform 6, and the length H1 of φ 146 sleeve pipes 2 should determine according to tidewater fluctuation amplitude H, and while ensureing high-tide level, 2～3m in φ 180 sleeve pipes 1 at least should be inserted in its lower end.
While using the utility model, first φ 180 sleeve pipe 1 lower end inserted to plays are entered to sea bed face below 9, φ 146 sleeve pipes and φ 273 sleeve pipes are done the as a whole embedding φ 180 inside and outside both sides of sleeve pipe of injecting respectively, be enclosed within, and drilling rod, drill bit creep into sea bed face through φ 180 sleeve pipes 1.φ 180 sleeve pipes can be to its protective effect of drilling tool.In circulation is crept into, φ 146 sleeve pipes 2 and φ 180 sleeve pipes 1 cooperate as the use of mud circulation passage, in order to ensure the good circulation of mud, outside φ 273 sleeve pipes 3, have sealing ring 7, the inwall of φ 146 sleeve pipes 2 contacts with sealing ring, and sealing ring seals the space between two-layer sleeve pipe.Because the continuous changing of the relative positions back and forth of two-layer sleeve pipe has larger wearing and tearing, and consider the convenience of handling, by a large amount of practices, sea-tangle, the rope made of hemp etc. is widely used as sealing ring.
Sum up by lot of experiments, by training, constructor skillfully grasps and uses the utility model.According to incompletely statistics, since using the utility model, in Pingtan Strait bridge prospecting, each work team (8 hours) can save 1～1.5 hour traditional sleeve loading, unloading time, and effectively drilling time increases, and operating efficiency significantly improves.Meanwhile, then do not have unexpected personnel's injury accident to occur.For efficient, the safe construction of project provide guarantee.
Claims (4)
1. deep-sea prospecting probing moving casing, is characterized in that being made up of φ 273 sleeve pipes that are socketed each other, φ 146 sleeve pipes, φ 180 sleeve pipes; φ 180 sleeve pipe lower end inserted to plays enter below sea bed face, for stationary pipes, φ 273 sleeve pipes are placed on drilling platform by fixed support, upper end is enclosed within outside φ 180 sleeve pipes, and φ 146 overlaps effective strap to be fixed, and strap is shelved on the φ 273 sleeve pipe mouths of pipe, φ inserts 146 sleeve pipe lower ends in φ 180 sleeve pipes, expose outside strap upper end, and φ 273 sleeve pipes have sealing ring outward, and the inwall of φ 146 sleeve pipes contacts with sealing ring.
2. probing moving casing is reconnoitred at deep-sea according to claim 1, it is characterized in that the length H2 of φ 180 sleeve pipes (1), and the mouth of pipe is 2～3m below drilling platform (6).
3. prospecting probing moving casing in deep-sea according to claim 1, is characterized in that the length H3 of φ 273 sleeve pipes (3) is than the long 3～4m of the fluctuation amplitude of tidewater.
4. prospecting probing moving casing in deep-sea according to claim 1, it is characterized in that φ 146 sleeve pipe 2 upper ends are than the high 1～1.5m of drilling platform (6), the length H1 of φ 146 sleeve pipes (2) is in the time of high-tide level, and 2～3m in φ 180 sleeve pipes (1) at least should be inserted in lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420155126.1U CN203879394U (en) | 2014-04-01 | 2014-04-01 | Movable casing for deep sea exploration drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420155126.1U CN203879394U (en) | 2014-04-01 | 2014-04-01 | Movable casing for deep sea exploration drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203879394U true CN203879394U (en) | 2014-10-15 |
Family
ID=51679907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420155126.1U Expired - Lifetime CN203879394U (en) | 2014-04-01 | 2014-04-01 | Movable casing for deep sea exploration drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203879394U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108343382A (en) * | 2018-03-08 | 2018-07-31 | 浙江华东建设工程有限公司 | Boring casing device and its construction method suitable for offshore exploration ship |
-
2014
- 2014-04-01 CN CN201420155126.1U patent/CN203879394U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108343382A (en) * | 2018-03-08 | 2018-07-31 | 浙江华东建设工程有限公司 | Boring casing device and its construction method suitable for offshore exploration ship |
| CN108343382B (en) * | 2018-03-08 | 2024-01-05 | 浙江华东建设工程有限公司 | Drilling sleeve device suitable for offshore exploration ship and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141015 |