CN107060660A - Deepwater drilling pipe - Google Patents
Deepwater drilling pipe Download PDFInfo
- Publication number
- CN107060660A CN107060660A CN201611195993.8A CN201611195993A CN107060660A CN 107060660 A CN107060660 A CN 107060660A CN 201611195993 A CN201611195993 A CN 201611195993A CN 107060660 A CN107060660 A CN 107060660A
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- CN
- China
- Prior art keywords
- baffle ring
- protection device
- wear protection
- inner sleeve
- drilling pipe
- 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
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- 238000005553 drilling Methods 0.000 title claims abstract description 77
- 230000002093 peripheral effect Effects 0.000 claims abstract description 10
- 238000005299 abrasion Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 7
- 238000005096 rolling process Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- 238000010586 diagram Methods 0.000 description 4
- 241001074085 Scophthalmus aquosus Species 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 210000001138 tear Anatomy 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1085—Wear protectors; Blast joints; Hard facing
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (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)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention provides a kind of deepwater drilling pipe, including drilling rod and marine riser, deepwater drilling pipe also includes the second wear protection device for being arranged on the first wear protection device of drilling rod and/or being arranged on marine riser, and the first wear protection device and the second wear protection device include：At least one the first circumferential recess are provided with inner sleeve, the outer peripheral face of inner sleeve；Outer sleeve, it is set in outside inner sleeve, the second circumferential recess with the first circumferential recess corresponding matching is provided with the inner peripheral surface of outer sleeve, every first circumferential recess and corresponding second circumferential recess cooperatively form the annular space for accommodating ball, and outer sleeve can be circumferentially rotated relative to inner sleeve.The beneficial effects of the invention are as follows, inner sleeve and outer sleeve are set, and the ball of slip is provided between inner sleeve and outer sleeve, in drilling process, original sliding friction can be substituted with effective rolling friction, so as to avoid the abrasion of deepwater drilling pipe, simultaneously, because coefficient of friction is relatively low, the moment of torsion of drilling well can also be reduced.
Description
Technical field
The present invention relates to ocean deepwater drilling field, specifically a kind of deepwater drilling pipe.
Background technology
Ocean deepwater drilling operating environment is severe, and sea water advanced to be significantly increased, subsurface picture is sufficiently complex, conventional with land
Drilling well is compared, and requirement of the deepwater drilling to technology and equipment is higher.Deepwater drilling is individual complicated and the engineering of system, deepwater drilling
Pipe is important and weak link in deep water drilling arrangements, mainly including marine riser, drilling rod etc., as shown in figure 1, the brill of the water surface
Well platform 25 is connected with marine riser 26 and drilling rod 27.
Marine riser is that marine oil and gas exploits a kind of essential tubular structure, be substantially connection ocean surface floating body and
The guide-tube structure of subsea wellheads.Riser system plays a variety of effects, including isolation seawater, offer brill in drilling well and production phase
The round passage of well liquid, auxiliary line, guiding drilling tool are supported, transfers and recalls wellhead blowout preventor group etc..As deep water hydrocarbon is provided
The exploitation in source, the application of deep water riser is more and more wider.In deepwater drilling, with the increase of the depth of water, the stress shape of marine riser
State is more severe and complicated, by by the long-term effect such as wind, wave, stream, at the same drill string with certain rotating speed inside marine riser
Rotation, all passages passed through with it may come in contact, friction and wear, and a lot of marine risers occurred for Offshore Oil Industry
Abrasion accident, it is serious to threaten marine drilling job safety, and bring larger economy and environmental loss.
At present, to the Deep Water Drilling Riser wear problem country also without enough attention, related research is nor spy
It is not deep.As China continues to increase to deep water hydrocarbon exploitation dynamics in recent years, to Deep Water Drilling Riser wear problem
Research is more and more important, and the wear protection of Deep Water Drilling Riser has higher realistic meaning.
The content of the invention
Present invention also offers a kind of deepwater drilling pipe, to reach the purpose for improving marine drilling job safety.
The technical solution adopted for the present invention to solve the technical problems is：A kind of deepwater drilling pipe, including drilling rod and every
Water pipe, deepwater drilling pipe also includes second for being arranged on the first wear protection device of drilling rod and/or being arranged on marine riser
Wear protection device, the first wear protection device and the second wear protection device include：On inner sleeve, the outer peripheral face of inner sleeve
It is provided with least one the first circumferential recess；Outer sleeve, is set in outside inner sleeve, is provided with the inner peripheral surface of outer sleeve and first
Second circumferential recess of circumferential recess corresponding matching, every first circumferential recess and corresponding second circumferential recess cooperatively form use
In the annular space for accommodating ball, outer sleeve can be circumferentially rotated relative to inner sleeve.
Further, the first wear protection device includes the first upper baffle ring and the first lower baffle ring, the upper end of inner sleeve and the
The lower end of one upper baffle ring is fixedly connected, and the lower end of inner sleeve is fixedly connected with the upper end of the first lower baffle ring.
Further, the midpoint of inner sleeve axis is overlapped with the midpoint of outer sleeve axis, and the length of inner sleeve is more than overcoat
The length of cylinder.
Further, the first wear protection device also includes upper spindle and lower spindle, and upper spindle is upper with the first upper baffle ring
End connection, lower spindle is connected with the lower end of the first lower baffle ring.
Further, the first wear protection device also include the first top connection and the first lower contact, the first top connection with it is upper
Spindle thread is connected, and the first lower contact is threadedly coupled with lower spindle, and the first wear protection device passes through the first top connection and first
Lower contact is connected with drilling rod.
Further, the second wear protection device includes the second upper baffle ring and the second lower baffle ring, the upper end of outer sleeve and the
Two upper baffle rings are fixedly connected, and the lower end of outer sleeve is fixedly connected with the second lower baffle ring.
Further, the second wear protection device also includes the second top connection and the second lower contact, the second top connection and the
The upper end connection of two upper baffle rings, the second lower contact is connected with the lower end of the second lower baffle ring.
Further, marine riser also includes in marine riser top connection and marine riser lower contact, marine riser top connection and second
Track bolt is fixed, and marine riser lower contact is fixed with the second lower contact bolt, and the second wear protection device on marine riser by connecing
Head and marine riser lower contact are connected with marine riser.
Further, the second top connection and the second lower contact are provided with multiple corresponding pipeline holes, and marine riser is also wrapped
Multiple auxiliary lines are included, are worn between the pipeline hole of each second top connection and the pipeline hole of corresponding second lower contact
There is an auxiliary line.
Further, the midpoint of inner sleeve axis is overlapped with the midpoint of outer sleeve axis, the length of inner sleeve be less than or
Equal to the length of outer sleeve.
The beneficial effects of the invention are as follows set inner sleeve and outer sleeve, and be provided between inner sleeve and outer sleeve
The ball of slip, in drilling process, can substitute original sliding friction with effective rolling friction, so as to avoid deep water brill
The abrasion of well casing tool, simultaneously as coefficient of friction is relatively low, can also reduce the moment of torsion of drilling well.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing a further understanding of the present invention, and of the invention shows
Meaning property embodiment and its illustrate be used for explain the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the structural representation of deepwater drilling pipe in the prior art；
Fig. 2 is the close-up schematic view of deepwater drilling pipe in first embodiment of the invention；
Fig. 3 is the partial structural diagram of deepwater drilling pipe in first embodiment of the invention；
Fig. 4 is the partial sectional view of deepwater drilling pipe in first embodiment of the invention；
Fig. 5 is the assembling structure schematic diagram of deepwater drilling pipe in first embodiment of the invention；
Fig. 6 is the close-up schematic view of deepwater drilling pipe in second embodiment of the invention；
Fig. 7 is deepwater drilling pipe three dimensional structure diagram in second embodiment of the invention；
Fig. 8 is the partial sectional view of deepwater drilling pipe in second embodiment of the invention；
Fig. 9 is the assembling structure schematic diagram of deepwater drilling pipe in second embodiment of the invention.
Reference in figure：10th, inner sleeve；11st, annular space；12nd, ball；20th, outer sleeve；31st, the first upper baffle ring；
32nd, the first lower baffle ring；33rd, upper spindle；34th, lower spindle；41st, the second upper baffle ring；42nd, the second lower baffle ring；43rd, the second top connection；
44th, the second lower contact；45th, auxiliary line；46th, bolt hole；51st, the first top connection；52nd, the first lower contact；61st, connect on marine riser
Head；62nd, marine riser lower contact.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As shown in Figures 2 to 5, first embodiment of the invention provides a kind of deepwater drilling pipe, including drilling rod and water proof
Pipe.Deepwater drilling pipe also includes the first wear protection device being arranged on drilling rod, and the first wear protection device includes inner sleeve
Cylinder 10 and outer sleeve 20.First circumferential recess is provided with the outer peripheral face of inner sleeve 10.Outer sleeve 20 is set in inner sleeve
Outside 10, be provided with the second circumferential recess with the first circumferential recess corresponding matching on the inner peripheral surface of outer sleeve 20, every first week
The annular space 11 for accommodating ball 12 is cooperatively formed to groove and corresponding second circumferential recess, outer sleeve 20 can be relative
Circumferentially rotated in inner sleeve 10.
Inner sleeve 10 and outer sleeve 20 are set, and are provided between inner sleeve 10 and outer sleeve 20 ball that rolls
12, in drilling process, original sliding friction can be substituted with effective rolling friction, so as to avoid deepwater drilling pipe
Abrasion, simultaneously as coefficient of friction is relatively low, can also reduce the moment of torsion of drilling well.
As shown in Fig. 2 in first embodiment of the invention, inner sleeve 10 vertically be provided centrally with one first it is circumferential recessed
Groove, second circumferential recess is provided with the axial centre of inner sleeve 10, first circumferential recess and second circumferential recess
It is the groove of cross section semicircular in shape.
Need, in first embodiment of the invention, can select to open up the mounting hole of ball 12 on outer sleeve 20,
After assembling terminates, the mounting hole can be blocked.Certainly, the mounting means of ball 12 is also an option that other modes are entered
OK, the mounting means belongs to prior art, no longer illustrates one by one herein.
First wear protection device includes the first upper baffle ring 31 and the first lower baffle ring 32.On the upper end of inner sleeve 10 and first
The lower end of baffle ring 31 is fixedly connected, and the lower end of inner sleeve 10 is fixedly connected with the upper end of the first lower baffle ring 32.
Specifically, the upper end of the inner sleeve 10 of the first wear protection device and the first upper baffle ring 31 be threadably secured or
It is welded and fixed, the lower end of the inner sleeve 10 of the first wear protection device is threadably secured or welded solid with the first lower baffle ring 32
It is fixed.The above-mentioned mode that is fixedly connected belongs to prior art, no longer repeats herein being fixedly connected with mode.
Preferably, the midpoint of the axis of inner sleeve 10 is overlapped with the midpoint of the axis of outer sleeve 20, and the length of inner sleeve 10 is more than
The length of outer sleeve 20.In confined state, between the two ends of outer sleeve 20 and the first upper baffle ring 31 and the first lower baffle ring 32
There is running clearance, to avoid interfering.
In first embodiment of the invention, the external diameter of inner sleeve 10 is less than under the maximum outside diameter or first of the first upper baffle ring 31
In the maximum outside diameter of baffle ring 32, the i.e. embodiment of the present invention, formed between the first upper baffle ring 31, the lower baffle ring 32 of inner sleeve 10 and first
Installation groove for installing outer sleeve 20.In actual installation practice, after inner sleeve 10 and outer sleeve 20 are assembled, then
Inside and outside sleeve is co-mounted between the first upper baffle ring 31 and the first lower baffle ring 32.
First wear protection device also includes upper spindle 33 and lower spindle 34, the upper end of the upper baffle ring 31 of upper spindle 33 and first
Connection, lower spindle 34 is connected with the lower end of the first lower baffle ring 32.
Further, the first wear protection device also includes the first top connection 51 and the first lower contact 52, the first top connection
51 are threadedly coupled with upper spindle 33, and the first lower contact 52 is threadedly coupled with lower spindle 34, and first in first embodiment of the invention
Wear protection device is connected by the first top connection 51 and the first lower contact 52 with drilling rod.
First embodiment of the invention can select the first abrasion of suitable quantity anti-in drilling process according to underground working
Protection unit, and determine the riding position of each first wear protection device.By the first wear protection device be connected to drill string it
In, the outer sleeve 20 of the first wear protection device can be rotated freely, when the first wear protection device is contacted with water proof inside pipe wall
During friction, sliding friction can be replaced with rolling friction, it is to avoid drilling rod rotation and cause the problem of marine riser weares and teares.
Need, in first embodiment of the invention, above-mentioned inner sleeve 10 have upper and lower ends, the upper and lower ends its
Middle one end can be wholely set with the corresponding lower baffle ring 32 of first upper baffle ring 31 or first, i.e. the upper end of inner sleeve 10 and first
Upper baffle ring 31 is wholely set, and the lower end of inner sleeve 10 is connected with the first lower baffle ring 32 using dismountable connected mode.Or it is interior
The lower end of sleeve 10 is wholely set with the first lower baffle ring 32, and the upper end of inner sleeve 10 is used with the first upper baffle ring 31 removably to be connected
The mode of connecing is connected.
As shown in Figures 6 to 9, in second embodiment of the invention, the second wear protection device of deepwater drilling pipe is installed
On marine riser.The second wear protection device inner sleeve 10 and outer sleeve 20.Two are provided with the outer peripheral face of inner sleeve 10
First circumferential recess.Outer sleeve 20 is set in outside inner sleeve 10, is provided with the inner peripheral surface of outer sleeve 20 and the first circumferential recess
Two the second circumferential recess of corresponding matching, every first circumferential recess and corresponding second circumferential recess are cooperatively formed for holding
Receive the annular space 11 of ball 12, outer sleeve 20 can be circumferentially rotated relative to inner sleeve 10.Set two annular spaces 11 can
To lift the stability of strutting system of outer sleeve 20, it is to avoid the run-off the straight in rotation process of outer sleeve 20.
In second embodiment of the invention, it can select to open up the mounting hole of ball 12 on outer sleeve 20, terminate in assembling
Afterwards, the mounting hole can be blocked.Certainly, the mounting means of ball 12 is also an option that other modes are carried out, the installation
Mode belongs to prior art, no longer illustrates one by one herein.
The midpoint of the above-mentioned axis of inner sleeve 10 is overlapped with the midpoint of the axis of outer sleeve 20, the length of inner sleeve 10 be less than or
Equal to the length of outer sleeve 20.
Second wear protection device is included on the second upper baffle ring 41 and the second lower baffle ring 42, the upper end of outer sleeve 20 and second
Baffle ring 41 is fixedly connected, and the lower end of outer sleeve 20 is fixedly connected with the second lower baffle ring 42.The outer sleeve of second wear protection device
20 upper end is threadably secured or is welded and fixed with the second upper baffle ring 41, under the outer sleeve 20 of the second wear protection device
End is threadably secured or is welded and fixed with the second lower baffle ring 42.The above-mentioned mode that is fixedly connected belongs to prior art, herein not
Repeat again being fixedly connected with mode.
Second wear protection device also includes in the second top connection 43 and the second lower contact 44, the second top connection 43 and second
The upper end connection of baffle ring 41, the second lower contact 44 is connected with the lower end of the second lower baffle ring 42.
Further, the second top connection 43 and the second lower contact 44 are provided with multiple corresponding pipeline holes, marine riser
Also include multiple auxiliary lines 45, the pipeline hole of the pipeline hole of each second top connection 43 and corresponding second lower contact 44
Between be equipped with an auxiliary line 45.The length of the auxiliary line 45 is not limited to length shown in figure, can be according to need
It is determined.
It is further preferred that being provided with bolt hole 46, above-mentioned water proof in the second top connection 43 and the second lower contact 44
Pipe also includes marine riser top connection 61 and marine riser lower contact 62, and marine riser top connection 61 is connected with the second top connection 43 by bolt
Connect, marine riser lower contact 62 is bolted with the second lower contact 44.
It should be noted that in second embodiment of the invention, in each lower contact 44 of second top connection 43 or second
Pipeline hole and bolt hole 46 are six, as shown in fig. 7, above-mentioned pipeline hole and bolt hole 46 are along corresponding second top connection
43 or second lower contact 44 it is circumferentially-spaced uniform, and a bolt hole 46 is provided between each two pipeline hole.
As shown in figure 9, marine riser also include marine riser top connection 61 and marine riser lower contact 62, marine riser top connection 61 with
The bolt of second top connection 43 is fixed, and marine riser lower contact 62 is fixed with the bolt of the second lower contact 44, and the second wear protection device leads to
Cross marine riser top connection 61 and marine riser lower contact 62 is connected with marine riser.
In drilling process, the second wear protection device of suitable quantity can be selected according to underground working, and is determined every
The riding position of individual second wear protection device.Second wear protection device is connected among water proof tubing string, the second abrasion is anti-
The inner sleeve 10 of protection unit is free to rotate, when drilling rod contacts friction with the second wear protection device, is replaced with rolling friction
Sliding friction, so as to avoid drilling rod rotation and cause the problem of marine riser weares and teares.
It should be noted that in the first wear protection device and second embodiment of the invention of first embodiment of the invention
Second wear protection device can correspond to collocation and use, and can also be used alone.In the first abrasion of first embodiment of the invention
The second wear protection device in protector and second embodiment of the invention is arranged in pairs or groups in use, above-mentioned second wear protection device
Inner sleeve 10 internal diameter should be more than the first wear protection device outer sleeve 20 external diameter, with avoid drilling rod can not normally under
Put or above carry.Meanwhile, according to underground working needs, multiple above-mentioned first abrasions can also be provided with drilling rod bearing of trend
Protector and/or the second wear protection device.
As can be seen from the above description, the above embodiments of the present invention realize following technique effect：
Wear protection device in the embodiment of the present invention is sent out particular for possible between drilling rod and marine riser in deepwater drilling
Raw contact, friction and wear problem and design, simple in construction, easy to use, strong applicability, can effectively mitigate deepwater drilling work
Abrasion in industry between drilling-rod external wall and water proof inside pipe wall, it is to avoid marine riser wear out failure.
More than, it is only the specific embodiment of the present invention, it is impossible to the scope implemented is invented with its restriction, so its equivalent assemblies
Displacement, or the equivalent variations made according to scope of patent protection of the present invention and modification should all still fall within the category that this patent is covered.
In addition, between technical characteristic and technical characteristic in the present invention, between technical characteristic and technical scheme, technical scheme and technical side
It can be used between case with independent assortment.
Claims (10)
1. a kind of deepwater drilling pipe, including drilling rod and marine riser, it is characterised in that the deepwater drilling pipe also includes setting
The first wear protection device on the drilling rod and/or the second wear protection device being arranged on the marine riser, it is described
First wear protection device and the second wear protection device include：
At least one the first circumferential recess are provided with inner sleeve (10), the outer peripheral face of inner sleeve (10)；
Outer sleeve (20), is set in inner sleeve (10) outside, is provided with the inner peripheral surface of outer sleeve (20) recessed with the described first circumference
Second circumferential recess of groove corresponding matching, every first circumferential recess and corresponding second circumferential recess are cooperatively formed
Annular space (11) for accommodating ball (12), outer sleeve (20) can be circumferentially rotated relative to inner sleeve (10).
2. deepwater drilling pipe according to claim 1, it is characterised in that the first wear protection device includes first
Upper baffle ring (31) and the first lower baffle ring (32), the upper end of inner sleeve (10) are fixedly connected with the lower end of the first upper baffle ring (31), interior
The lower end of sleeve (10) is fixedly connected with the upper end of the first lower baffle ring (32).
3. deepwater drilling pipe according to claim 2, it is characterised in that the midpoint of inner sleeve (10) axis and outer sleeve
(20) midpoint of axis is overlapped, and the length of inner sleeve (10) is more than the length of outer sleeve (20).
4. deepwater drilling pipe according to claim 2, it is characterised in that the first wear protection device also includes the
One top connection (51) and the first lower contact (52), the first top connection (51) are connected with the first upper baffle ring (31), the first lower contact
(52) it is connected with the first lower baffle ring (32), the first wear protection device passes through the first top connection (51) and the first lower contact
(52) it is connected with the drilling rod.
5. deepwater drilling pipe according to claim 4, it is characterised in that the first wear protection device also includes upper
Heart axle (33) and lower spindle (34), upper spindle (33) are arranged between the first top connection (51) and the first upper baffle ring (31), the lower heart
Axle (34) is arranged between the first lower contact (52) and the first lower baffle ring (32).
6. deepwater drilling pipe according to claim 1 or 2, it is characterised in that the second wear protection device includes
Second upper baffle ring (41) and the second lower baffle ring (42), the upper end of outer sleeve (20) are fixedly connected with the second upper baffle ring (41), overcoat
The lower end of cylinder (20) is fixedly connected with the second lower baffle ring (42).
7. deepwater drilling pipe according to claim 6, it is characterised in that the second wear protection device also includes the
Two top connections (43) and the second lower contact (44), the second top connection (43) is connected with the upper end of the second upper baffle ring (41), under second
Joint (44) is connected with the lower end of the second lower baffle ring (42).
8. deepwater drilling pipe according to claim 7, it is characterised in that the marine riser includes marine riser top connection
(61) and marine riser lower contact (62), marine riser top connection (61) is fixed with the second top connection (43) bolt, marine riser lower contact
(62) fixed with the second lower contact (44) bolt.
9. deepwater drilling pipe according to claim 7, it is characterised in that the second top connection (43) and the second lower contact
(44) multiple corresponding pipeline holes are provided with, the marine riser also includes connecing on multiple auxiliary lines (45), each second
An auxiliary line (45) is equipped between the pipeline hole and the pipeline hole of corresponding second lower contact (44) of head (43).
10. deepwater drilling pipe according to claim 6, it is characterised in that the midpoint of inner sleeve (10) axis and overcoat
The midpoint of cylinder (20) axis is overlapped, and the length of inner sleeve (10) is less than or equal to the length of outer sleeve (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611195993.8A CN107060660A (en) | 2016-12-22 | 2016-12-22 | Deepwater drilling pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611195993.8A CN107060660A (en) | 2016-12-22 | 2016-12-22 | Deepwater drilling pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107060660A true CN107060660A (en) | 2017-08-18 |
Family
ID=59619817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611195993.8A Pending CN107060660A (en) | 2016-12-22 | 2016-12-22 | Deepwater drilling pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107060660A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676043A (en) * | 2017-11-02 | 2018-02-09 | 成都康叶环保科技有限公司 | Casing drilling system and casing drilling method |
| CN110748305A (en) * | 2019-09-09 | 2020-02-04 | 建湖县永维阀门钻件有限公司 | Deepwater marine riser with protective shell |
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| CN2120175U (en) * | 1991-08-24 | 1992-10-28 | 新疆石油管理局钻井工艺研究所 | Low frictional resistance casing centralising device |
| JPH08121069A (en) * | 1994-10-19 | 1996-05-14 | Koken Boring Mach Co Ltd | Simple and easy drilling device |
| US5538092A (en) * | 1994-10-27 | 1996-07-23 | Ingersoll-Rand Company | Flexible drill pipe |
| CN201502339U (en) * | 2009-09-24 | 2010-06-09 | 西南石油大学 | Split composite liner-typed torque-reduction wear-prevention tool |
| CN105134101A (en) * | 2015-08-21 | 2015-12-09 | 西南石油大学 | Deepwater drilling riser and drill pipe anti-abrasion anti-attrition protection device |
| CN205350060U (en) * | 2016-01-11 | 2016-06-29 | 人本集团有限公司 | Tandem type bearing for drilling tool |
-
2016
- 2016-12-22 CN CN201611195993.8A patent/CN107060660A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2120175U (en) * | 1991-08-24 | 1992-10-28 | 新疆石油管理局钻井工艺研究所 | Low frictional resistance casing centralising device |
| JPH08121069A (en) * | 1994-10-19 | 1996-05-14 | Koken Boring Mach Co Ltd | Simple and easy drilling device |
| US5538092A (en) * | 1994-10-27 | 1996-07-23 | Ingersoll-Rand Company | Flexible drill pipe |
| CN201502339U (en) * | 2009-09-24 | 2010-06-09 | 西南石油大学 | Split composite liner-typed torque-reduction wear-prevention tool |
| CN105134101A (en) * | 2015-08-21 | 2015-12-09 | 西南石油大学 | Deepwater drilling riser and drill pipe anti-abrasion anti-attrition protection device |
| CN205350060U (en) * | 2016-01-11 | 2016-06-29 | 人本集团有限公司 | Tandem type bearing for drilling tool |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676043A (en) * | 2017-11-02 | 2018-02-09 | 成都康叶环保科技有限公司 | Casing drilling system and casing drilling method |
| CN110748305A (en) * | 2019-09-09 | 2020-02-04 | 建湖县永维阀门钻件有限公司 | Deepwater marine riser with protective shell |
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Application publication date: 20170818 |